[ValueTracking] Support vscale assumes for isKnownToBeAPowerOfTwo

This patch is separated from D154953 to see what tests are affected by this
change alone according comment.
Depend on the related updating of LangRef on D155193.

Reviewed By: paulwalker-arm, nikic, david-arm
Differential Revision: https://reviews.llvm.org/D155350

diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index 37c9346..209c992 100644 (file)
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -2011,6 +2011,11 @@ bool isKnownToBeAPowerOfTwo(const Value *V, bool OrZero, unsigned Depth,
       return true;
   if (match(V, m_Power2()))
       return true;
+  if (Q.CxtI && match(V, m_VScale())) {
+    const Function *F = Q.CxtI->getFunction();
+    // The vscale_range indicates vscale is a power-of-two.
+    return F->hasFnAttribute(Attribute::VScaleRange);
+  }
 
   // 1 << X is clearly a power of two if the one is not shifted off the end.  If
   // it is shifted off the end then the result is undefined.

diff --git a/llvm/test/Transforms/InstCombine/rem-mul-shl.ll b/llvm/test/Transforms/InstCombine/rem-mul-shl.ll
index fae4c8e..937a715 100644 (file)
--- a/llvm/test/Transforms/InstCombine/rem-mul-shl.ll
+++ b/llvm/test/Transforms/InstCombine/rem-mul-shl.ll
@@ -845,7 +845,8 @@ define i64 @urem_shl_vscale_range() vscale_range(1,16) {
 ; CHECK-LABEL: @urem_shl_vscale_range(
 ; CHECK-NEXT:    [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[SHIFT:%.*]] = shl nuw nsw i64 [[VSCALE]], 2
-; CHECK-NEXT:    [[REM:%.*]] = urem i64 1024, [[SHIFT]]
+; CHECK-NEXT:    [[TMP1:%.*]] = add nuw nsw i64 [[SHIFT]], 2047
+; CHECK-NEXT:    [[REM:%.*]] = and i64 [[TMP1]], 1024
 ; CHECK-NEXT:    ret i64 [[REM]]
 ;
   %vscale = call i64 @llvm.vscale.i64()
@@ -858,7 +859,8 @@ define i64 @urem_vscale_range() vscale_range(1,16) {
 ; CHECK-LABEL: @urem_vscale_range(
 ; CHECK-NEXT:    [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[SHIFT:%.*]] = shl nuw nsw i64 [[VSCALE]], 2
-; CHECK-NEXT:    [[REM:%.*]] = urem i64 1024, [[SHIFT]]
+; CHECK-NEXT:    [[TMP1:%.*]] = add nuw nsw i64 [[SHIFT]], 2047
+; CHECK-NEXT:    [[REM:%.*]] = and i64 [[TMP1]], 1024
 ; CHECK-NEXT:    ret i64 [[REM]]
 ;
   %vscale = call i64 @llvm.vscale.i64()
@@ -869,10 +871,7 @@ define i64 @urem_vscale_range() vscale_range(1,16) {
 
 define i64 @urem_shl_vscale_out_of_range() vscale_range(1,16) {
 ; CHECK-LABEL: @urem_shl_vscale_out_of_range(
-; CHECK-NEXT:    [[VSCALE:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[SHIFT:%.*]] = shl nuw nsw i64 [[VSCALE]], 20
-; CHECK-NEXT:    [[REM:%.*]] = urem i64 1024, [[SHIFT]]
-; CHECK-NEXT:    ret i64 [[REM]]
+; CHECK-NEXT:    ret i64 1024
 ;
   %vscale = call i64 @llvm.vscale.i64()
   %shift = shl nuw nsw i64 %vscale, 20

diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-cond-inv-loads.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-cond-inv-loads.ll
index 7266be4..b3de027 100644 (file)
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-cond-inv-loads.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-cond-inv-loads.ll
@@ -11,28 +11,27 @@ define void @cond_inv_load_i32i32i16(ptr noalias nocapture %a, ptr noalias nocap
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[INV:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[COND:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP4]], align 4
-; CHECK-NEXT:    [[TMP6:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 2, <vscale x 4 x i1> [[TMP6]], <vscale x 4 x i16> poison)
-; CHECK-NEXT:    [[TMP7:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER]] to <vscale x 4 x i32>
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[TMP7]], ptr [[TMP8]], i32 4, <vscale x 4 x i1> [[TMP6]])
-; CHECK-NEXT:    [[TMP10:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP11]]
-; CHECK-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[COND:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP3]], align 4
+; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 2, <vscale x 4 x i1> [[TMP4]], <vscale x 4 x i16> poison)
+; CHECK-NEXT:    [[TMP5:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER]] to <vscale x 4 x i32>
+; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[TMP5]], ptr [[TMP6]], i32 4, <vscale x 4 x i1> [[TMP4]])
+; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP8]]
+; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -40,19 +39,19 @@ define void @cond_inv_load_i32i32i16(ptr noalias nocapture %a, ptr noalias nocap
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[I_07:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[COND]], i64 [[I_07]]
-; CHECK-NEXT:    [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
-; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP13]], 0
+; CHECK-NEXT:    [[TMP10:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP10]], 0
 ; CHECK-NEXT:    br i1 [[TOBOOL_NOT]], label [[FOR_INC]], label [[IF_THEN:%.*]]
 ; CHECK:       if.then:
-; CHECK-NEXT:    [[TMP14:%.*]] = load i16, ptr [[INV]], align 2
-; CHECK-NEXT:    [[CONV:%.*]] = sext i16 [[TMP14]] to i32
+; CHECK-NEXT:    [[TMP11:%.*]] = load i16, ptr [[INV]], align 2
+; CHECK-NEXT:    [[CONV:%.*]] = sext i16 [[TMP11]] to i32
 ; CHECK-NEXT:    [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I_07]]
 ; CHECK-NEXT:    store i32 [[CONV]], ptr [[ARRAYIDX1]], align 4
 ; CHECK-NEXT:    br label [[FOR_INC]]
 ; CHECK:       for.inc:
 ; CHECK-NEXT:    [[INC]] = add nuw nsw i64 [[I_07]], 1
 ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[N]]
-; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
+; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
 ; CHECK:       exit:
 ; CHECK-NEXT:    ret void
 ;
@@ -91,27 +90,26 @@ define void @cond_inv_load_f64f64f64(ptr noalias nocapture %a, ptr noalias nocap
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[INV:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds double, ptr [[COND:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x double>, ptr [[TMP4]], align 8
-; CHECK-NEXT:    [[TMP6:%.*]] = fcmp ogt <vscale x 4 x double> [[WIDE_LOAD]], shufflevector (<vscale x 4 x double> insertelement (<vscale x 4 x double> poison, double 4.000000e-01, i64 0), <vscale x 4 x double> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x double> @llvm.masked.gather.nxv4f64.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 8, <vscale x 4 x i1> [[TMP6]], <vscale x 4 x double> poison)
-; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr double, ptr [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4f64.p0(<vscale x 4 x double> [[WIDE_MASKED_GATHER]], ptr [[TMP7]], i32 8, <vscale x 4 x i1> [[TMP6]])
-; CHECK-NEXT:    [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]]
-; CHECK-NEXT:    [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds double, ptr [[COND:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x double>, ptr [[TMP3]], align 8
+; CHECK-NEXT:    [[TMP4:%.*]] = fcmp ogt <vscale x 4 x double> [[WIDE_LOAD]], shufflevector (<vscale x 4 x double> insertelement (<vscale x 4 x double> poison, double 4.000000e-01, i64 0), <vscale x 4 x double> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x double> @llvm.masked.gather.nxv4f64.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 8, <vscale x 4 x i1> [[TMP4]], <vscale x 4 x double> poison)
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr double, ptr [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4f64.p0(<vscale x 4 x double> [[WIDE_MASKED_GATHER]], ptr [[TMP5]], i32 8, <vscale x 4 x i1> [[TMP4]])
+; CHECK-NEXT:    [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP7:%.*]] = shl nuw nsw i64 [[TMP6]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP7]]
+; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -119,13 +117,13 @@ define void @cond_inv_load_f64f64f64(ptr noalias nocapture %a, ptr noalias nocap
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[I_08:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds double, ptr [[COND]], i64 [[I_08]]
-; CHECK-NEXT:    [[TMP12:%.*]] = load double, ptr [[ARRAYIDX]], align 8
-; CHECK-NEXT:    [[CMP1:%.*]] = fcmp ogt double [[TMP12]], 4.000000e-01
+; CHECK-NEXT:    [[TMP9:%.*]] = load double, ptr [[ARRAYIDX]], align 8
+; CHECK-NEXT:    [[CMP1:%.*]] = fcmp ogt double [[TMP9]], 4.000000e-01
 ; CHECK-NEXT:    br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[FOR_INC]]
 ; CHECK:       if.then:
-; CHECK-NEXT:    [[TMP13:%.*]] = load double, ptr [[INV]], align 8
+; CHECK-NEXT:    [[TMP10:%.*]] = load double, ptr [[INV]], align 8
 ; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds double, ptr [[A]], i64 [[I_08]]
-; CHECK-NEXT:    store double [[TMP13]], ptr [[ARRAYIDX2]], align 8
+; CHECK-NEXT:    store double [[TMP10]], ptr [[ARRAYIDX2]], align 8
 ; CHECK-NEXT:    br label [[FOR_INC]]
 ; CHECK:       for.inc:
 ; CHECK-NEXT:    [[INC]] = add nuw nsw i64 [[I_08]], 1
@@ -168,31 +166,30 @@ define void @invariant_load_cond(ptr noalias nocapture %a, ptr nocapture readonl
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 42
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[TMP4]], i64 0
-; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[DOTSPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[COND:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP5]], align 4
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr i32, ptr [[B]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0(ptr [[TMP8]], i32 4, <vscale x 4 x i1> [[TMP7]], <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[DOTSPLAT]], i32 4, <vscale x 4 x i1> [[TMP7]], <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[TMP10:%.*]] = add nsw <vscale x 4 x i32> [[WIDE_MASKED_GATHER]], [[WIDE_MASKED_LOAD]]
-; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[TMP10]], ptr [[TMP11]], i32 4, <vscale x 4 x i1> [[TMP7]])
-; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP14:%.*]] = shl nuw nsw i64 [[TMP13]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP14]]
-; CHECK-NEXT:    [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 42
+; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[TMP3]], i64 0
+; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[COND:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP4]], align 4
+; CHECK-NEXT:    [[TMP5:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer
+; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr i32, ptr [[B]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_MASKED_LOAD:%.*]] = call <vscale x 4 x i32> @llvm.masked.load.nxv4i32.p0(ptr [[TMP6]], i32 4, <vscale x 4 x i1> [[TMP5]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 4, <vscale x 4 x i1> [[TMP5]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[TMP7:%.*]] = add nsw <vscale x 4 x i32> [[WIDE_MASKED_GATHER]], [[WIDE_MASKED_LOAD]]
+; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[TMP7]], ptr [[TMP8]], i32 4, <vscale x 4 x i1> [[TMP5]])
+; CHECK-NEXT:    [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]]
+; CHECK-NEXT:    [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -200,15 +197,15 @@ define void @invariant_load_cond(ptr noalias nocapture %a, ptr nocapture readonl
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_INC:%.*]] ]
 ; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, ptr [[COND]], i64 [[IV]]
-; CHECK-NEXT:    [[TMP16:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4
-; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP16]], 0
+; CHECK-NEXT:    [[TMP12:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4
+; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP12]], 0
 ; CHECK-NEXT:    br i1 [[TOBOOL_NOT]], label [[FOR_INC]], label [[IF_THEN:%.*]]
 ; CHECK:       if.then:
 ; CHECK-NEXT:    [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 42
 ; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[IV]]
-; CHECK-NEXT:    [[TMP17:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4
-; CHECK-NEXT:    [[TMP18:%.*]] = load i32, ptr [[ARRAYIDX1]], align 4
-; CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP18]], [[TMP17]]
+; CHECK-NEXT:    [[TMP13:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4
+; CHECK-NEXT:    [[TMP14:%.*]] = load i32, ptr [[ARRAYIDX1]], align 4
+; CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP14]], [[TMP13]]
 ; CHECK-NEXT:    [[ARRAYIDX4:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[IV]]
 ; CHECK-NEXT:    store i32 [[ADD]], ptr [[ARRAYIDX4]], align 4
 ; CHECK-NEXT:    br label [[FOR_INC]]

diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-gather-scatter.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-gather-scatter.ll
index b1feced..3a867cf 100644 (file)
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-gather-scatter.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-gather-scatter.ll
@@ -11,25 +11,24 @@ define void @gather_nxv4i32_ind64(ptr noalias nocapture readonly %a, ptr noalias
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i64>, ptr [[TMP4]], align 8
-; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], <vscale x 4 x i64> [[WIDE_LOAD]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x float> @llvm.masked.gather.nxv4f32.nxv4p0(<vscale x 4 x ptr> [[TMP5]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x float> poison)
-; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    store <vscale x 4 x float> [[WIDE_MASKED_GATHER]], ptr [[TMP6]], align 4
-; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP8]]
-; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i64, ptr [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i64>, ptr [[TMP3]], align 8
+; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], <vscale x 4 x i64> [[WIDE_LOAD]]
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x float> @llvm.masked.gather.nxv4f32.nxv4p0(<vscale x 4 x ptr> [[TMP4]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x float> poison)
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    store <vscale x 4 x float> [[WIDE_MASKED_GATHER]], ptr [[TMP5]], align 4
+; CHECK-NEXT:    [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP7:%.*]] = shl nuw nsw i64 [[TMP6]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP7]]
+; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -37,11 +36,11 @@ define void @gather_nxv4i32_ind64(ptr noalias nocapture readonly %a, ptr noalias
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i64, ptr [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT:    [[TMP10:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
-; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP10]]
-; CHECK-NEXT:    [[TMP11:%.*]] = load float, ptr [[ARRAYIDX3]], align 4
+; CHECK-NEXT:    [[TMP9:%.*]] = load i64, ptr [[ARRAYIDX]], align 8
+; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[TMP9]]
+; CHECK-NEXT:    [[TMP10:%.*]] = load float, ptr [[ARRAYIDX3]], align 4
 ; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[C]], i64 [[INDVARS_IV]]
-; CHECK-NEXT:    store float [[TMP11]], ptr [[ARRAYIDX5]], align 4
+; CHECK-NEXT:    store float [[TMP10]], ptr [[ARRAYIDX5]], align 4
 ; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
 ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
 ; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
@@ -79,26 +78,25 @@ define void @scatter_nxv4i32_ind32(ptr noalias nocapture %a, ptr noalias nocaptu
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x float>, ptr [[TMP4]], align 4
-; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD1:%.*]] = load <vscale x 4 x i32>, ptr [[TMP5]], align 4
-; CHECK-NEXT:    [[TMP6:%.*]] = sext <vscale x 4 x i32> [[WIDE_LOAD1]] to <vscale x 4 x i64>
-; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], <vscale x 4 x i64> [[TMP6]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4f32.nxv4p0(<vscale x 4 x float> [[WIDE_LOAD]], <vscale x 4 x ptr> [[TMP7]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP9]]
-; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds float, ptr [[C:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x float>, ptr [[TMP3]], align 4
+; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD1:%.*]] = load <vscale x 4 x i32>, ptr [[TMP4]], align 4
+; CHECK-NEXT:    [[TMP5:%.*]] = sext <vscale x 4 x i32> [[WIDE_LOAD1]] to <vscale x 4 x i64>
+; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], <vscale x 4 x i64> [[TMP5]]
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4f32.nxv4p0(<vscale x 4 x float> [[WIDE_LOAD]], <vscale x 4 x ptr> [[TMP6]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP8]]
+; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -106,12 +104,12 @@ define void @scatter_nxv4i32_ind32(ptr noalias nocapture %a, ptr noalias nocaptu
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[C]], i64 [[INDVARS_IV]]
-; CHECK-NEXT:    [[TMP11:%.*]] = load float, ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[TMP10:%.*]] = load float, ptr [[ARRAYIDX]], align 4
 ; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT:    [[TMP12:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4
-; CHECK-NEXT:    [[IDXPROM4:%.*]] = sext i32 [[TMP12]] to i64
+; CHECK-NEXT:    [[TMP11:%.*]] = load i32, ptr [[ARRAYIDX3]], align 4
+; CHECK-NEXT:    [[IDXPROM4:%.*]] = sext i32 [[TMP11]] to i64
 ; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[IDXPROM4]]
-; CHECK-NEXT:    store float [[TMP11]], ptr [[ARRAYIDX5]], align 4
+; CHECK-NEXT:    store float [[TMP10]], ptr [[ARRAYIDX5]], align 4
 ; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
 ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
 ; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
@@ -147,25 +145,24 @@ define void @scatter_inv_nxv4i32(ptr noalias nocapture %inv, ptr noalias nocaptu
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[INV:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP4]], align 4
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 3, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 4, <vscale x 4 x i1> [[TMP5]])
-; CHECK-NEXT:    [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = shl nuw nsw i64 [[TMP6]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP7]]
-; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP3]], align 4
+; CHECK-NEXT:    [[TMP4:%.*]] = icmp ne <vscale x 4 x i32> [[WIDE_LOAD]], zeroinitializer
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 3, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 4, <vscale x 4 x i1> [[TMP4]])
+; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP6]]
+; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -173,8 +170,8 @@ define void @scatter_inv_nxv4i32(ptr noalias nocapture %inv, ptr noalias nocaptu
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT:    [[TMP9:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
-; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP9]], 0
+; CHECK-NEXT:    [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[TOBOOL_NOT:%.*]] = icmp eq i32 [[TMP8]], 0
 ; CHECK-NEXT:    br i1 [[TOBOOL_NOT]], label [[FOR_INC]], label [[IF_THEN:%.*]]
 ; CHECK:       if.then:
 ; CHECK-NEXT:    store i32 3, ptr [[INV]], align 4
@@ -218,26 +215,25 @@ define void @gather_inv_nxv4i32(ptr noalias nocapture %a, ptr noalias nocapture
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x ptr> poison, ptr [[INV:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x ptr> [[BROADCAST_SPLATINSERT]], <vscale x 4 x ptr> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP4]], align 4
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp sgt <vscale x 4 x i32> [[WIDE_LOAD]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 3, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 4, <vscale x 4 x i1> [[TMP5]], <vscale x 4 x i32> poison)
-; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[WIDE_MASKED_GATHER]], ptr [[TMP4]], i32 4, <vscale x 4 x i1> [[TMP5]])
-; CHECK-NEXT:    [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = shl nuw nsw i64 [[TMP6]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP7]]
-; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr i32, ptr [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[TMP3]], align 4
+; CHECK-NEXT:    [[TMP4:%.*]] = icmp sgt <vscale x 4 x i32> [[WIDE_LOAD]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 3, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[BROADCAST_SPLAT]], i32 4, <vscale x 4 x i1> [[TMP4]], <vscale x 4 x i32> poison)
+; CHECK-NEXT:    call void @llvm.masked.store.nxv4i32.p0(<vscale x 4 x i32> [[WIDE_MASKED_GATHER]], ptr [[TMP3]], i32 4, <vscale x 4 x i1> [[TMP4]])
+; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP6]]
+; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -245,12 +241,12 @@ define void @gather_inv_nxv4i32(ptr noalias nocapture %a, ptr noalias nocapture
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT:    [[TMP9:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
-; CHECK-NEXT:    [[CMP2:%.*]] = icmp sgt i32 [[TMP9]], 3
+; CHECK-NEXT:    [[TMP8:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[CMP2:%.*]] = icmp sgt i32 [[TMP8]], 3
 ; CHECK-NEXT:    br i1 [[CMP2]], label [[IF_THEN:%.*]], label [[FOR_INC]]
 ; CHECK:       if.then:
-; CHECK-NEXT:    [[TMP10:%.*]] = load i32, ptr [[INV]], align 4
-; CHECK-NEXT:    store i32 [[TMP10]], ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[TMP9:%.*]] = load i32, ptr [[INV]], align 4
+; CHECK-NEXT:    store i32 [[TMP9]], ptr [[ARRAYIDX]], align 4
 ; CHECK-NEXT:    br label [[FOR_INC]]
 ; CHECK:       for.inc:
 ; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
@@ -294,39 +290,38 @@ define void @gather_nxv4i32_ind64_stride2(ptr noalias nocapture %a, ptr noalias
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 3
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TMP4:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 2
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP6]], i64 0
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -8
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
+; CHECK-NEXT:    [[TMP3:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP4:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP5:%.*]] = shl nuw nsw i64 [[TMP4]], 2
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP5]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP4]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP3]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[STEP_ADD:%.*]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP7:%.*]] = shl <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP8:%.*]] = shl <vscale x 4 x i64> [[STEP_ADD]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], <vscale x 4 x i64> [[TMP7]]
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds float, ptr [[B]], <vscale x 4 x i64> [[TMP8]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x float> @llvm.masked.gather.nxv4f32.nxv4p0(<vscale x 4 x ptr> [[TMP9]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x float> poison)
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER2:%.*]] = call <vscale x 4 x float> @llvm.masked.gather.nxv4f32.nxv4p0(<vscale x 4 x ptr> [[TMP10]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x float> poison)
-; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    store <vscale x 4 x float> [[WIDE_MASKED_GATHER]], ptr [[TMP11]], align 4
-; CHECK-NEXT:    [[TMP12:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 2
-; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds float, ptr [[TMP11]], i64 [[TMP13]]
-; CHECK-NEXT:    store <vscale x 4 x float> [[WIDE_MASKED_GATHER2]], ptr [[TMP14]], align 4
-; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 3
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP16]]
+; CHECK-NEXT:    [[TMP6:%.*]] = shl <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP7:%.*]] = shl <vscale x 4 x i64> [[STEP_ADD]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds float, ptr [[B:%.*]], <vscale x 4 x i64> [[TMP6]]
+; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds float, ptr [[B]], <vscale x 4 x i64> [[TMP7]]
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x float> @llvm.masked.gather.nxv4f32.nxv4p0(<vscale x 4 x ptr> [[TMP8]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x float> poison)
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER2:%.*]] = call <vscale x 4 x float> @llvm.masked.gather.nxv4f32.nxv4p0(<vscale x 4 x ptr> [[TMP9]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x float> poison)
+; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds float, ptr [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    store <vscale x 4 x float> [[WIDE_MASKED_GATHER]], ptr [[TMP10]], align 4
+; CHECK-NEXT:    [[TMP11:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP12:%.*]] = shl nuw nsw i64 [[TMP11]], 2
+; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds float, ptr [[TMP10]], i64 [[TMP12]]
+; CHECK-NEXT:    store <vscale x 4 x float> [[WIDE_MASKED_GATHER2]], ptr [[TMP13]], align 4
+; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP15:%.*]] = shl nuw nsw i64 [[TMP14]], 3
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP15]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[STEP_ADD]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
+; CHECK-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -335,9 +330,9 @@ define void @gather_nxv4i32_ind64_stride2(ptr noalias nocapture %a, ptr noalias
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[INDVARS_IV_STRIDE2:%.*]] = shl i64 [[INDVARS_IV]], 1
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDVARS_IV_STRIDE2]]
-; CHECK-NEXT:    [[TMP18:%.*]] = load float, ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[TMP17:%.*]] = load float, ptr [[ARRAYIDX]], align 4
 ; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT:    store float [[TMP18]], ptr [[ARRAYIDX2]], align 4
+; CHECK-NEXT:    store float [[TMP17]], ptr [[ARRAYIDX2]], align 4
 ; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
 ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
 ; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]

diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-accesses.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-accesses.ll
index 50f0fba..c050d08 100644 (file)
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-accesses.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-interleaved-accesses.ll
@@ -27,9 +27,8 @@ define void @test_array_load2_store2(i32 %C, i32 %D) #1 {
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 512, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 512, [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 1020
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 512
 ; CHECK-NEXT:    [[IND_END:%.*]] = shl nuw nsw i64 [[N_VEC]], 1
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
@@ -39,26 +38,26 @@ define void @test_array_load2_store2(i32 %C, i32 %D) #1 {
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 1
-; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds [1024 x i32], ptr @AB, i64 0, i64 [[OFFSET_IDX]]
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP2]], align 4
+; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds [1024 x i32], ptr @AB, i64 0, i64 [[OFFSET_IDX]]
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP1]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[TMP4:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
-; CHECK-NEXT:    [[TMP5:%.*]] = or i64 [[OFFSET_IDX]], 1
-; CHECK-NEXT:    [[TMP6:%.*]] = add nsw <vscale x 4 x i32> [[TMP3]], [[BROADCAST_SPLAT]]
-; CHECK-NEXT:    [[TMP7:%.*]] = mul nsw <vscale x 4 x i32> [[TMP4]], [[BROADCAST_SPLAT2]]
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds [1024 x i32], ptr @CD, i64 0, i64 [[TMP5]]
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[TMP8]], i64 -1
-; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[TMP6]], <vscale x 4 x i32> [[TMP7]])
-; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP9]], align 4
-; CHECK-NEXT:    [[TMP10:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP11]]
-; CHECK-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; CHECK-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
+; CHECK-NEXT:    [[TMP4:%.*]] = or i64 [[OFFSET_IDX]], 1
+; CHECK-NEXT:    [[TMP5:%.*]] = add nsw <vscale x 4 x i32> [[TMP2]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[TMP6:%.*]] = mul nsw <vscale x 4 x i32> [[TMP3]], [[BROADCAST_SPLAT2]]
+; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds [1024 x i32], ptr @CD, i64 0, i64 [[TMP4]]
+; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP7]], i64 -1
+; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[TMP5]], <vscale x 4 x i32> [[TMP6]])
+; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP8]], align 4
+; CHECK-NEXT:    [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]]
+; CHECK-NEXT:    [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_END:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
@@ -128,15 +127,14 @@ define void @test_array_load2_i16_store2(i32 %C, i32 %D) #1 {
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 512, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 512, [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 1020
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 512
 ; CHECK-NEXT:    [[IND_END:%.*]] = shl nuw nsw i64 [[N_VEC]], 1
-; CHECK-NEXT:    [[TMP2:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl <vscale x 4 x i64> [[TMP2]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP4:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP5:%.*]] = shl nuw nsw i64 [[TMP4]], 3
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP5]], i64 0
+; CHECK-NEXT:    [[TMP1:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP2:%.*]] = shl <vscale x 4 x i64> [[TMP1]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP4:%.*]] = shl nuw nsw i64 [[TMP3]], 3
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP4]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
@@ -145,47 +143,47 @@ define void @test_array_load2_i16_store2(i32 %C, i32 %D) #1 {
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP3]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds [1024 x i16], ptr @AB_i16, i64 0, <vscale x 4 x i64> [[VEC_IND]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP6]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison)
-; CHECK-NEXT:    [[TMP7:%.*]] = or <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds [1024 x i16], ptr @AB_i16, i64 0, <vscale x 4 x i64> [[TMP7]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER1:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP8]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison)
-; CHECK-NEXT:    [[TMP9:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER]] to <vscale x 4 x i32>
-; CHECK-NEXT:    [[TMP10:%.*]] = add nsw <vscale x 4 x i32> [[BROADCAST_SPLAT]], [[TMP9]]
-; CHECK-NEXT:    [[TMP11:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER1]] to <vscale x 4 x i32>
-; CHECK-NEXT:    [[TMP12:%.*]] = mul nsw <vscale x 4 x i32> [[BROADCAST_SPLAT3]], [[TMP11]]
-; CHECK-NEXT:    [[TMP13:%.*]] = extractelement <vscale x 4 x i64> [[TMP7]], i64 0
-; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds [1024 x i32], ptr @CD, i64 0, i64 [[TMP13]]
-; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, ptr [[TMP14]], i64 -1
-; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[TMP10]], <vscale x 4 x i32> [[TMP12]])
-; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP15]], align 4
-; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP17]]
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP2]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds [1024 x i16], ptr @AB_i16, i64 0, <vscale x 4 x i64> [[VEC_IND]]
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP5]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison)
+; CHECK-NEXT:    [[TMP6:%.*]] = or <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds [1024 x i16], ptr @AB_i16, i64 0, <vscale x 4 x i64> [[TMP6]]
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER1:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP7]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison)
+; CHECK-NEXT:    [[TMP8:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER]] to <vscale x 4 x i32>
+; CHECK-NEXT:    [[TMP9:%.*]] = add nsw <vscale x 4 x i32> [[BROADCAST_SPLAT]], [[TMP8]]
+; CHECK-NEXT:    [[TMP10:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER1]] to <vscale x 4 x i32>
+; CHECK-NEXT:    [[TMP11:%.*]] = mul nsw <vscale x 4 x i32> [[BROADCAST_SPLAT3]], [[TMP10]]
+; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <vscale x 4 x i64> [[TMP6]], i64 0
+; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds [1024 x i32], ptr @CD, i64 0, i64 [[TMP12]]
+; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[TMP13]], i64 -1
+; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[TMP9]], <vscale x 4 x i32> [[TMP11]])
+; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP14]], align 4
+; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP16]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
+; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_END:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [1024 x i16], ptr @AB_i16, i64 0, i64 [[INDVARS_IV]]
-; CHECK-NEXT:    [[TMP19:%.*]] = load i16, ptr [[ARRAYIDX]], align 4
-; CHECK-NEXT:    [[TMP20:%.*]] = or i64 [[INDVARS_IV]], 1
-; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds [1024 x i16], ptr @AB_i16, i64 0, i64 [[TMP20]]
-; CHECK-NEXT:    [[TMP21:%.*]] = load i16, ptr [[ARRAYIDX2]], align 2
-; CHECK-NEXT:    [[CONV:%.*]] = sext i16 [[TMP19]] to i32
+; CHECK-NEXT:    [[TMP18:%.*]] = load i16, ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[TMP19:%.*]] = or i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds [1024 x i16], ptr @AB_i16, i64 0, i64 [[TMP19]]
+; CHECK-NEXT:    [[TMP20:%.*]] = load i16, ptr [[ARRAYIDX2]], align 2
+; CHECK-NEXT:    [[CONV:%.*]] = sext i16 [[TMP18]] to i32
 ; CHECK-NEXT:    [[ADD3:%.*]] = add nsw i32 [[CONV]], [[C]]
 ; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds [1024 x i32], ptr @CD, i64 0, i64 [[INDVARS_IV]]
 ; CHECK-NEXT:    store i32 [[ADD3]], ptr [[ARRAYIDX5]], align 4
-; CHECK-NEXT:    [[CONV6:%.*]] = sext i16 [[TMP21]] to i32
+; CHECK-NEXT:    [[CONV6:%.*]] = sext i16 [[TMP20]] to i32
 ; CHECK-NEXT:    [[MUL:%.*]] = mul nsw i32 [[CONV6]], [[D]]
-; CHECK-NEXT:    [[ARRAYIDX9:%.*]] = getelementptr inbounds [1024 x i32], ptr @CD, i64 0, i64 [[TMP20]]
+; CHECK-NEXT:    [[ARRAYIDX9:%.*]] = getelementptr inbounds [1024 x i32], ptr @CD, i64 0, i64 [[TMP19]]
 ; CHECK-NEXT:    store i32 [[MUL]], ptr [[ARRAYIDX9]], align 4
 ; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 2
 ; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i64 [[INDVARS_IV]], 1022
@@ -242,15 +240,14 @@ define void @test_array_load2_store2_i16(i32 noundef %C, i32 noundef %D) #1 {
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 512, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 512, [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 1020
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 512
 ; CHECK-NEXT:    [[IND_END:%.*]] = shl nuw nsw i64 [[N_VEC]], 1
-; CHECK-NEXT:    [[TMP2:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl <vscale x 4 x i64> [[TMP2]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP4:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP5:%.*]] = shl nuw nsw i64 [[TMP4]], 3
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP5]], i64 0
+; CHECK-NEXT:    [[TMP1:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP2:%.*]] = shl <vscale x 4 x i64> [[TMP1]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP4:%.*]] = shl nuw nsw i64 [[TMP3]], 3
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP4]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[C:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
@@ -259,48 +256,48 @@ define void @test_array_load2_store2_i16(i32 noundef %C, i32 noundef %D) #1 {
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP3]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP2]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 1
-; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds [1024 x i32], ptr @AB, i64 0, i64 [[OFFSET_IDX]]
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP6]], align 4
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds [1024 x i32], ptr @AB, i64 0, i64 [[OFFSET_IDX]]
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP5]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
-; CHECK-NEXT:    [[TMP9:%.*]] = or <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP10:%.*]] = add nsw <vscale x 4 x i32> [[TMP7]], [[BROADCAST_SPLAT]]
-; CHECK-NEXT:    [[TMP11:%.*]] = trunc <vscale x 4 x i32> [[TMP10]] to <vscale x 4 x i16>
-; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds [1024 x i16], ptr @CD_i16, i64 0, <vscale x 4 x i64> [[VEC_IND]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i16.nxv4p0(<vscale x 4 x i16> [[TMP11]], <vscale x 4 x ptr> [[TMP12]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP13:%.*]] = mul nsw <vscale x 4 x i32> [[TMP8]], [[BROADCAST_SPLAT2]]
-; CHECK-NEXT:    [[TMP14:%.*]] = trunc <vscale x 4 x i32> [[TMP13]] to <vscale x 4 x i16>
-; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds [1024 x i16], ptr @CD_i16, i64 0, <vscale x 4 x i64> [[TMP9]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i16.nxv4p0(<vscale x 4 x i16> [[TMP14]], <vscale x 4 x ptr> [[TMP15]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP17]]
+; CHECK-NEXT:    [[TMP6:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
+; CHECK-NEXT:    [[TMP8:%.*]] = or <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP9:%.*]] = add nsw <vscale x 4 x i32> [[TMP6]], [[BROADCAST_SPLAT]]
+; CHECK-NEXT:    [[TMP10:%.*]] = trunc <vscale x 4 x i32> [[TMP9]] to <vscale x 4 x i16>
+; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds [1024 x i16], ptr @CD_i16, i64 0, <vscale x 4 x i64> [[VEC_IND]]
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i16.nxv4p0(<vscale x 4 x i16> [[TMP10]], <vscale x 4 x ptr> [[TMP11]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP12:%.*]] = mul nsw <vscale x 4 x i32> [[TMP7]], [[BROADCAST_SPLAT2]]
+; CHECK-NEXT:    [[TMP13:%.*]] = trunc <vscale x 4 x i32> [[TMP12]] to <vscale x 4 x i16>
+; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds [1024 x i16], ptr @CD_i16, i64 0, <vscale x 4 x i64> [[TMP8]]
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i16.nxv4p0(<vscale x 4 x i16> [[TMP13]], <vscale x 4 x ptr> [[TMP14]], i32 2, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP16]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
+; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_END:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds [1024 x i32], ptr @AB, i64 0, i64 [[INDVARS_IV]]
-; CHECK-NEXT:    [[TMP19:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
-; CHECK-NEXT:    [[TMP20:%.*]] = or i64 [[INDVARS_IV]], 1
-; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds [1024 x i32], ptr @AB, i64 0, i64 [[TMP20]]
-; CHECK-NEXT:    [[TMP21:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4
-; CHECK-NEXT:    [[ADD3:%.*]] = add nsw i32 [[TMP19]], [[C]]
+; CHECK-NEXT:    [[TMP18:%.*]] = load i32, ptr [[ARRAYIDX]], align 4
+; CHECK-NEXT:    [[TMP19:%.*]] = or i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    [[ARRAYIDX2:%.*]] = getelementptr inbounds [1024 x i32], ptr @AB, i64 0, i64 [[TMP19]]
+; CHECK-NEXT:    [[TMP20:%.*]] = load i32, ptr [[ARRAYIDX2]], align 4
+; CHECK-NEXT:    [[ADD3:%.*]] = add nsw i32 [[TMP18]], [[C]]
 ; CHECK-NEXT:    [[CONV:%.*]] = trunc i32 [[ADD3]] to i16
 ; CHECK-NEXT:    [[ARRAYIDX5:%.*]] = getelementptr inbounds [1024 x i16], ptr @CD_i16, i64 0, i64 [[INDVARS_IV]]
 ; CHECK-NEXT:    store i16 [[CONV]], ptr [[ARRAYIDX5]], align 2
-; CHECK-NEXT:    [[MUL:%.*]] = mul nsw i32 [[TMP21]], [[D]]
+; CHECK-NEXT:    [[MUL:%.*]] = mul nsw i32 [[TMP20]], [[D]]
 ; CHECK-NEXT:    [[CONV6:%.*]] = trunc i32 [[MUL]] to i16
-; CHECK-NEXT:    [[ARRAYIDX9:%.*]] = getelementptr inbounds [1024 x i16], ptr @CD_i16, i64 0, i64 [[TMP20]]
+; CHECK-NEXT:    [[ARRAYIDX9:%.*]] = getelementptr inbounds [1024 x i16], ptr @CD_i16, i64 0, i64 [[TMP19]]
 ; CHECK-NEXT:    store i16 [[CONV6]], ptr [[ARRAYIDX9]], align 2
 ; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 2
 ; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i64 [[INDVARS_IV]], 1022
@@ -345,77 +342,76 @@ define i32 @test_struct_load6(%struct.ST6* %S) #1 {
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 1024, [[N_MOD_VF]]
-; CHECK-NEXT:    [[TMP2:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP4:%.*]] = shl nuw nsw i64 [[TMP3]], 2
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP4]], i64 0
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 2044
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 1024
+; CHECK-NEXT:    [[TMP1:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP3]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP2]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds [[STRUCT_ST6:%.*]], ptr [[S:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP5]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 1
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER1:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP6]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 2
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER2:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP7]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 3
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER3:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP8]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 4
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER4:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP9]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 5
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER5:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP10]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
-; CHECK-NEXT:    [[TMP11:%.*]] = add <vscale x 4 x i32> [[WIDE_MASKED_GATHER]], [[VEC_PHI]]
-; CHECK-NEXT:    [[TMP12:%.*]] = add <vscale x 4 x i32> [[TMP11]], [[WIDE_MASKED_GATHER2]]
-; CHECK-NEXT:    [[TMP13:%.*]] = add <vscale x 4 x i32> [[WIDE_MASKED_GATHER1]], [[WIDE_MASKED_GATHER3]]
-; CHECK-NEXT:    [[TMP14:%.*]] = add <vscale x 4 x i32> [[TMP13]], [[WIDE_MASKED_GATHER4]]
-; CHECK-NEXT:    [[TMP15:%.*]] = add <vscale x 4 x i32> [[TMP14]], [[WIDE_MASKED_GATHER5]]
-; CHECK-NEXT:    [[TMP16]] = sub <vscale x 4 x i32> [[TMP12]], [[TMP15]]
-; CHECK-NEXT:    [[TMP17:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP18:%.*]] = shl nuw nsw i64 [[TMP17]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP18]]
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP1]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds [[STRUCT_ST6:%.*]], ptr [[S:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP4]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 1
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER1:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP5]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 2
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER2:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP6]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 3
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER3:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP7]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 4
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER4:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP8]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], <vscale x 4 x i64> [[VEC_IND]], i32 5
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER5:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<vscale x 4 x ptr> [[TMP9]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i32> poison)
+; CHECK-NEXT:    [[TMP10:%.*]] = add <vscale x 4 x i32> [[WIDE_MASKED_GATHER]], [[VEC_PHI]]
+; CHECK-NEXT:    [[TMP11:%.*]] = add <vscale x 4 x i32> [[TMP10]], [[WIDE_MASKED_GATHER2]]
+; CHECK-NEXT:    [[TMP12:%.*]] = add <vscale x 4 x i32> [[WIDE_MASKED_GATHER1]], [[WIDE_MASKED_GATHER3]]
+; CHECK-NEXT:    [[TMP13:%.*]] = add <vscale x 4 x i32> [[TMP12]], [[WIDE_MASKED_GATHER4]]
+; CHECK-NEXT:    [[TMP14:%.*]] = add <vscale x 4 x i32> [[TMP13]], [[WIDE_MASKED_GATHER5]]
+; CHECK-NEXT:    [[TMP15]] = sub <vscale x 4 x i32> [[TMP11]], [[TMP14]]
+; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP17]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
+; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[TMP20:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP16]])
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[TMP19:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP15]])
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_COND_CLEANUP:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
-; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP20]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
+; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP19]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
 ; CHECK-NEXT:    [[R_041:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[SUB14:%.*]], [[FOR_BODY]] ]
 ; CHECK-NEXT:    [[X:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], i64 [[INDVARS_IV]], i32 0
-; CHECK-NEXT:    [[TMP21:%.*]] = load i32, ptr [[X]], align 4
+; CHECK-NEXT:    [[TMP20:%.*]] = load i32, ptr [[X]], align 4
 ; CHECK-NEXT:    [[Y:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], i64 [[INDVARS_IV]], i32 1
-; CHECK-NEXT:    [[TMP22:%.*]] = load i32, ptr [[Y]], align 4
+; CHECK-NEXT:    [[TMP21:%.*]] = load i32, ptr [[Y]], align 4
 ; CHECK-NEXT:    [[Z:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], i64 [[INDVARS_IV]], i32 2
-; CHECK-NEXT:    [[TMP23:%.*]] = load i32, ptr [[Z]], align 4
+; CHECK-NEXT:    [[TMP22:%.*]] = load i32, ptr [[Z]], align 4
 ; CHECK-NEXT:    [[W:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], i64 [[INDVARS_IV]], i32 3
-; CHECK-NEXT:    [[TMP24:%.*]] = load i32, ptr [[W]], align 4
+; CHECK-NEXT:    [[TMP23:%.*]] = load i32, ptr [[W]], align 4
 ; CHECK-NEXT:    [[A:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], i64 [[INDVARS_IV]], i32 4
-; CHECK-NEXT:    [[TMP25:%.*]] = load i32, ptr [[A]], align 4
+; CHECK-NEXT:    [[TMP24:%.*]] = load i32, ptr [[A]], align 4
 ; CHECK-NEXT:    [[B:%.*]] = getelementptr inbounds [[STRUCT_ST6]], ptr [[S]], i64 [[INDVARS_IV]], i32 5
-; CHECK-NEXT:    [[TMP26:%.*]] = load i32, ptr [[B]], align 4
-; CHECK-NEXT:    [[DOTNEG36:%.*]] = add i32 [[TMP21]], [[R_041]]
-; CHECK-NEXT:    [[TMP27:%.*]] = add i32 [[DOTNEG36]], [[TMP23]]
-; CHECK-NEXT:    [[TMP28:%.*]] = add i32 [[TMP22]], [[TMP24]]
+; CHECK-NEXT:    [[TMP25:%.*]] = load i32, ptr [[B]], align 4
+; CHECK-NEXT:    [[DOTNEG36:%.*]] = add i32 [[TMP20]], [[R_041]]
+; CHECK-NEXT:    [[TMP26:%.*]] = add i32 [[DOTNEG36]], [[TMP22]]
+; CHECK-NEXT:    [[TMP27:%.*]] = add i32 [[TMP21]], [[TMP23]]
+; CHECK-NEXT:    [[TMP28:%.*]] = add i32 [[TMP27]], [[TMP24]]
 ; CHECK-NEXT:    [[TMP29:%.*]] = add i32 [[TMP28]], [[TMP25]]
-; CHECK-NEXT:    [[TMP30:%.*]] = add i32 [[TMP29]], [[TMP26]]
-; CHECK-NEXT:    [[SUB14]] = sub i32 [[TMP27]], [[TMP30]]
+; CHECK-NEXT:    [[SUB14]] = sub i32 [[TMP26]], [[TMP29]]
 ; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
 ; CHECK-NEXT:    [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024
 ; CHECK-NEXT:    br i1 [[EXITCOND_NOT]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
 ; CHECK:       for.cond.cleanup:
-; CHECK-NEXT:    [[SUB14_LCSSA:%.*]] = phi i32 [ [[SUB14]], [[FOR_BODY]] ], [ [[TMP20]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT:    [[SUB14_LCSSA:%.*]] = phi i32 [ [[SUB14]], [[FOR_BODY]] ], [ [[TMP19]], [[MIDDLE_BLOCK]] ]
 ; CHECK-NEXT:    ret i32 [[SUB14_LCSSA]]
 ;
 entry:
@@ -478,54 +474,53 @@ define void @test_reversed_load2_store2(%struct.ST2* noalias nocapture readonly
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 1024, [[N_MOD_VF]]
-; CHECK-NEXT:    [[IND_END:%.*]] = add nsw i64 [[N_MOD_VF]], -1
-; CHECK-NEXT:    [[TMP2:%.*]] = call <vscale x 4 x i32> @llvm.experimental.stepvector.nxv4i32()
-; CHECK-NEXT:    [[INDUCTION:%.*]] = sub <vscale x 4 x i32> shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1023, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer), [[TMP2]]
-; CHECK-NEXT:    [[TMP3:%.*]] = call i32 @llvm.vscale.i32()
-; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i32 [[TMP3]], -4
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[DOTNEG]], i64 0
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 2044
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 1024
+; CHECK-NEXT:    [[IND_END:%.*]] = sub nsw i64 1023, [[N_VEC]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <vscale x 4 x i32> @llvm.experimental.stepvector.nxv4i32()
+; CHECK-NEXT:    [[INDUCTION:%.*]] = sub <vscale x 4 x i32> shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1023, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer), [[TMP1]]
+; CHECK-NEXT:    [[TMP2:%.*]] = call i32 @llvm.vscale.i32()
+; CHECK-NEXT:    [[DOTNEG4:%.*]] = mul nsw i32 [[TMP2]], -4
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[DOTNEG4]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[DOTSPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = sub i64 1023, [[INDEX]]
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds [[STRUCT_ST2:%.*]], ptr [[A:%.*]], i64 [[OFFSET_IDX]], i32 0
-; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @llvm.vscale.i32()
-; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i32 [[TMP5]], 3
-; CHECK-NEXT:    [[TMP7:%.*]] = sub nsw i32 2, [[TMP6]]
-; CHECK-NEXT:    [[TMP8:%.*]] = sext i32 [[TMP7]] to i64
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[TMP4]], i64 [[TMP8]]
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP9]], align 4
+; CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds [[STRUCT_ST2:%.*]], ptr [[A:%.*]], i64 [[OFFSET_IDX]], i32 0
+; CHECK-NEXT:    [[TMP4:%.*]] = call i32 @llvm.vscale.i32()
+; CHECK-NEXT:    [[TMP5:%.*]] = shl nuw nsw i32 [[TMP4]], 3
+; CHECK-NEXT:    [[TMP6:%.*]] = sub nsw i32 2, [[TMP5]]
+; CHECK-NEXT:    [[TMP7:%.*]] = sext i32 [[TMP6]] to i64
+; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[TMP3]], i64 [[TMP7]]
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP8]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP10:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[REVERSE:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP10]])
-; CHECK-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
-; CHECK-NEXT:    [[REVERSE1:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP11]])
-; CHECK-NEXT:    [[TMP12:%.*]] = add nsw <vscale x 4 x i32> [[REVERSE]], [[VEC_IND]]
-; CHECK-NEXT:    [[TMP13:%.*]] = sub nsw <vscale x 4 x i32> [[REVERSE1]], [[VEC_IND]]
-; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds [[STRUCT_ST2]], ptr [[B:%.*]], i64 [[OFFSET_IDX]], i32 1
-; CHECK-NEXT:    [[TMP15:%.*]] = call i32 @llvm.vscale.i32()
-; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i32 [[TMP15]], 3
-; CHECK-NEXT:    [[TMP17:%.*]] = sub nsw i32 1, [[TMP16]]
-; CHECK-NEXT:    [[TMP18:%.*]] = sext i32 [[TMP17]] to i64
-; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr inbounds i32, ptr [[TMP14]], i64 [[TMP18]]
-; CHECK-NEXT:    [[REVERSE2:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP12]])
-; CHECK-NEXT:    [[REVERSE3:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP13]])
+; CHECK-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[REVERSE:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP9]])
+; CHECK-NEXT:    [[TMP10:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
+; CHECK-NEXT:    [[REVERSE1:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP10]])
+; CHECK-NEXT:    [[TMP11:%.*]] = add nsw <vscale x 4 x i32> [[REVERSE]], [[VEC_IND]]
+; CHECK-NEXT:    [[TMP12:%.*]] = sub nsw <vscale x 4 x i32> [[REVERSE1]], [[VEC_IND]]
+; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds [[STRUCT_ST2]], ptr [[B:%.*]], i64 [[OFFSET_IDX]], i32 1
+; CHECK-NEXT:    [[TMP14:%.*]] = call i32 @llvm.vscale.i32()
+; CHECK-NEXT:    [[TMP15:%.*]] = shl nuw nsw i32 [[TMP14]], 3
+; CHECK-NEXT:    [[TMP16:%.*]] = sub nsw i32 1, [[TMP15]]
+; CHECK-NEXT:    [[TMP17:%.*]] = sext i32 [[TMP16]] to i64
+; CHECK-NEXT:    [[TMP18:%.*]] = getelementptr inbounds i32, ptr [[TMP13]], i64 [[TMP17]]
+; CHECK-NEXT:    [[REVERSE2:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP11]])
+; CHECK-NEXT:    [[REVERSE3:%.*]] = call <vscale x 4 x i32> @llvm.experimental.vector.reverse.nxv4i32(<vscale x 4 x i32> [[TMP12]])
 ; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[REVERSE2]], <vscale x 4 x i32> [[REVERSE3]])
-; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP19]], align 4
-; CHECK-NEXT:    [[TMP20:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP21:%.*]] = shl nuw nsw i64 [[TMP20]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP21]]
+; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP18]], align 4
+; CHECK-NEXT:    [[TMP19:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP20:%.*]] = shl nuw nsw i64 [[TMP19]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP20]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i32> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
+; CHECK-NEXT:    [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_COND_CLEANUP:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1023, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
@@ -590,28 +585,29 @@ define void @even_load_static_tc(i32* noalias nocapture readonly %A, i32* noalia
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 512, [[TMP1]]
-; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    [[TMP3:%.*]] = select i1 [[TMP2]], i64 [[TMP1]], i64 [[N_MOD_VF]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 512, [[TMP3]]
-; CHECK-NEXT:    [[IND_END:%.*]] = shl nuw nsw i64 [[N_VEC]], 1
+; CHECK-NEXT:    [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1023
+; CHECK-NEXT:    [[N_MOD_VF:%.*]] = and i64 [[TMP2]], 512
+; CHECK-NEXT:    [[TMP3:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[TMP4:%.*]] = select i1 [[TMP3]], i64 [[TMP1]], i64 [[N_MOD_VF]]
+; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 512, [[TMP4]]
+; CHECK-NEXT:    [[IND_END:%.*]] = shl nsw i64 [[N_VEC]], 1
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 1
-; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[OFFSET_IDX]]
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP4]], align 4
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[OFFSET_IDX]]
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP5]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP5:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[TMP6:%.*]] = shl nsw <vscale x 4 x i32> [[TMP5]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP7:%.*]] = and i64 [[INDEX]], 9223372036854775804
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP7]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP6]], ptr [[TMP8]], align 4
-; CHECK-NEXT:    [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]]
-; CHECK-NEXT:    [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
+; CHECK-NEXT:    [[TMP6:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[TMP7:%.*]] = shl nsw <vscale x 4 x i32> [[TMP6]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP8:%.*]] = and i64 [[INDEX]], 9223372036854775804
+; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP8]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP7]], ptr [[TMP9]], align 4
+; CHECK-NEXT:    [[TMP10:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP11]]
+; CHECK-NEXT:    [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
 ; CHECK:       middle.block:
 ; CHECK-NEXT:    br label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
@@ -675,28 +671,29 @@ define void @even_load_dynamic_tc(i32* noalias nocapture readonly %A, i32* noali
 ; CHECK-NEXT:    [[TMP4:%.*]] = add nuw i64 [[TMP1]], 1
 ; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP4]], [[TMP6]]
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i64 [[TMP6]], i64 [[N_MOD_VF]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP4]], [[TMP8]]
+; CHECK-NEXT:    [[TMP7:%.*]] = add nsw i64 [[TMP6]], -1
+; CHECK-NEXT:    [[N_MOD_VF:%.*]] = and i64 [[TMP4]], [[TMP7]]
+; CHECK-NEXT:    [[TMP8:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[TMP9:%.*]] = select i1 [[TMP8]], i64 [[TMP6]], i64 [[N_MOD_VF]]
+; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP4]], [[TMP9]]
 ; CHECK-NEXT:    [[IND_END:%.*]] = shl i64 [[N_VEC]], 1
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 1
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[OFFSET_IDX]]
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP9]], align 4
+; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[OFFSET_IDX]]
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP10]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP10:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[TMP11:%.*]] = shl nsw <vscale x 4 x i32> [[TMP10]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP12:%.*]] = and i64 [[INDEX]], 9223372036854775804
-; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP12]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP11]], ptr [[TMP13]], align 4
-; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP15:%.*]] = shl nuw nsw i64 [[TMP14]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP15]]
-; CHECK-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
+; CHECK-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[TMP12:%.*]] = shl nsw <vscale x 4 x i32> [[TMP11]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP13:%.*]] = and i64 [[INDEX]], 9223372036854775804
+; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP13]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP12]], ptr [[TMP14]], align 4
+; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP16]]
+; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP14:![0-9]+]]
 ; CHECK:       middle.block:
 ; CHECK-NEXT:    br label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
@@ -760,15 +757,14 @@ define void @load_gap_reverse(%pair* noalias nocapture readonly %P1, %pair* noal
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 1024, [[N_MOD_VF]]
-; CHECK-NEXT:    [[IND_END:%.*]] = add nsw i64 [[N_MOD_VF]], -1
-; CHECK-NEXT:    [[TMP2:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[INDUCTION:%.*]] = sub <vscale x 4 x i64> shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1023, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer), [[TMP2]]
-; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP3]], -4
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[DOTNEG]], i64 0
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 2044
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 1024
+; CHECK-NEXT:    [[IND_END:%.*]] = sub nsw i64 1023, [[N_VEC]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[INDUCTION:%.*]] = sub <vscale x 4 x i64> shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1023, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer), [[TMP1]]
+; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[DOTNEG1:%.*]] = mul nsw i64 [[TMP2]], -4
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[DOTNEG1]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[X:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
@@ -776,22 +772,22 @@ define void @load_gap_reverse(%pair* noalias nocapture readonly %P1, %pair* noal
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP4:%.*]] = add nsw <vscale x 4 x i64> [[BROADCAST_SPLAT]], [[VEC_IND]]
-; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P1:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
-; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P2:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 1
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i64> @llvm.masked.gather.nxv4i64.nxv4p0(<vscale x 4 x ptr> [[TMP6]], i32 8, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i64> poison)
-; CHECK-NEXT:    [[TMP7:%.*]] = sub nsw <vscale x 4 x i64> [[WIDE_MASKED_GATHER]], [[VEC_IND]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i64.nxv4p0(<vscale x 4 x i64> [[TMP4]], <vscale x 4 x ptr> [[TMP5]], i32 8, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i64.nxv4p0(<vscale x 4 x i64> [[TMP7]], <vscale x 4 x ptr> [[TMP6]], i32 8, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP9]]
+; CHECK-NEXT:    [[TMP3:%.*]] = add nsw <vscale x 4 x i64> [[BROADCAST_SPLAT]], [[VEC_IND]]
+; CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds [[PAIR:%.*]], ptr [[P1:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds [[PAIR]], ptr [[P2:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 1
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i64> @llvm.masked.gather.nxv4i64.nxv4p0(<vscale x 4 x ptr> [[TMP5]], i32 8, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i64> poison)
+; CHECK-NEXT:    [[TMP6:%.*]] = sub nsw <vscale x 4 x i64> [[WIDE_MASKED_GATHER]], [[VEC_IND]]
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i64.nxv4p0(<vscale x 4 x i64> [[TMP3]], <vscale x 4 x ptr> [[TMP4]], i32 8, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i64.nxv4p0(<vscale x 4 x i64> [[TMP6]], <vscale x 4 x ptr> [[TMP5]], i32 8, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP8]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
+; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP16:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_EXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_EXIT:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1023, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
@@ -839,37 +835,36 @@ define void @mixed_load2_store2(i32* noalias nocapture readonly %A, i32* noalias
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 512, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 512, [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 1020
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 512
 ; CHECK-NEXT:    [[IND_END:%.*]] = shl nuw nsw i64 [[N_VEC]], 1
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 1
-; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[OFFSET_IDX]]
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP2]], align 4
+; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[OFFSET_IDX]]
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP1]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[TMP4:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
-; CHECK-NEXT:    [[TMP5:%.*]] = or i64 [[OFFSET_IDX]], 1
-; CHECK-NEXT:    [[TMP6:%.*]] = mul nsw <vscale x 4 x i32> [[TMP4]], [[TMP3]]
+; CHECK-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
+; CHECK-NEXT:    [[TMP4:%.*]] = or i64 [[OFFSET_IDX]], 1
+; CHECK-NEXT:    [[TMP5:%.*]] = mul nsw <vscale x 4 x i32> [[TMP3]], [[TMP2]]
 ; CHECK-NEXT:    [[STRIDED_VEC2:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 0
-; CHECK-NEXT:    [[TMP8:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 1
-; CHECK-NEXT:    [[TMP9:%.*]] = add nsw <vscale x 4 x i32> [[TMP8]], [[TMP7]]
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP5]]
-; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i32, ptr [[TMP10]], i64 -1
-; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[TMP6]], <vscale x 4 x i32> [[TMP9]])
-; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP11]], align 4
-; CHECK-NEXT:    [[TMP12:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP13]]
-; CHECK-NEXT:    [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
+; CHECK-NEXT:    [[TMP6:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 0
+; CHECK-NEXT:    [[TMP7:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 1
+; CHECK-NEXT:    [[TMP8:%.*]] = add nsw <vscale x 4 x i32> [[TMP7]], [[TMP6]]
+; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[TMP4]]
+; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i32, ptr [[TMP9]], i64 -1
+; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[TMP5]], <vscale x 4 x i32> [[TMP8]])
+; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP10]], align 4
+; CHECK-NEXT:    [[TMP11:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP12:%.*]] = shl nuw nsw i64 [[TMP11]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP12]]
+; CHECK-NEXT:    [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_COND_CLEANUP:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
@@ -954,40 +949,39 @@ define void @int_float_struct(%struct.IntFloat* nocapture readonly %p) #0 {
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 1024, [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 2044
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 1024
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x float> [ insertelement (<vscale x 4 x float> zeroinitializer, float undef, i32 0), [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_PHI1:%.*]] = phi <vscale x 4 x i32> [ insertelement (<vscale x 4 x i32> zeroinitializer, i32 undef, i32 0), [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds [[STRUCT_INTFLOAT:%.*]], ptr [[P:%.*]], i64 [[INDEX]], i32 0
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP2]], align 4
+; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x float> [ insertelement (<vscale x 4 x float> zeroinitializer, float undef, i32 0), [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_PHI1:%.*]] = phi <vscale x 4 x i32> [ insertelement (<vscale x 4 x i32> zeroinitializer, i32 undef, i32 0), [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds [[STRUCT_INTFLOAT:%.*]], ptr [[P:%.*]], i64 [[INDEX]], i32 0
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP1]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[TMP4:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
-; CHECK-NEXT:    [[TMP5:%.*]] = bitcast <vscale x 4 x i32> [[TMP4]] to <vscale x 4 x float>
-; CHECK-NEXT:    [[TMP6]] = add <vscale x 4 x i32> [[TMP3]], [[VEC_PHI1]]
-; CHECK-NEXT:    [[TMP7]] = fadd fast <vscale x 4 x float> [[VEC_PHI]], [[TMP5]]
-; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP9]]
-; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
+; CHECK-NEXT:    [[TMP2:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[TMP3:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
+; CHECK-NEXT:    [[TMP4:%.*]] = bitcast <vscale x 4 x i32> [[TMP3]] to <vscale x 4 x float>
+; CHECK-NEXT:    [[TMP5]] = add <vscale x 4 x i32> [[TMP2]], [[VEC_PHI1]]
+; CHECK-NEXT:    [[TMP6]] = fadd fast <vscale x 4 x float> [[VEC_PHI]], [[TMP4]]
+; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP8]]
+; CHECK-NEXT:    [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[TMP11:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP6]])
-; CHECK-NEXT:    [[TMP12:%.*]] = call fast float @llvm.vector.reduce.fadd.nxv4f32(float -0.000000e+00, <vscale x 4 x float> [[TMP7]])
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[TMP10:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP5]])
+; CHECK-NEXT:    [[TMP11:%.*]] = call fast float @llvm.vector.reduce.fadd.nxv4f32(float -0.000000e+00, <vscale x 4 x float> [[TMP6]])
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_COND_CLEANUP:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
-; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP12]], [[MIDDLE_BLOCK]] ], [ undef, [[ENTRY]] ]
-; CHECK-NEXT:    [[BC_MERGE_RDX2:%.*]] = phi i32 [ [[TMP11]], [[MIDDLE_BLOCK]] ], [ undef, [[ENTRY]] ]
+; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP11]], [[MIDDLE_BLOCK]] ], [ undef, [[ENTRY]] ]
+; CHECK-NEXT:    [[BC_MERGE_RDX2:%.*]] = phi i32 [ [[TMP10]], [[MIDDLE_BLOCK]] ], [ undef, [[ENTRY]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.cond.cleanup:
-; CHECK-NEXT:    [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[TMP11]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT:    [[ADD3_LCSSA:%.*]] = phi float [ [[ADD3:%.*]], [[FOR_BODY]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT:    [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT:    [[ADD3_LCSSA:%.*]] = phi float [ [[ADD3:%.*]], [[FOR_BODY]] ], [ [[TMP11]], [[MIDDLE_BLOCK]] ]
 ; CHECK-NEXT:    store i32 [[ADD_LCSSA]], ptr @SA, align 4
 ; CHECK-NEXT:    store float [[ADD3_LCSSA]], ptr @SB, align 4
 ; CHECK-NEXT:    ret void
@@ -1057,35 +1051,36 @@ define void @PR27626_0(%pair.i32 *%p, i32 %z, i64 %n) #1 {
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], [[TMP3]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    [[TMP5:%.*]] = select i1 [[TMP4]], i64 [[TMP3]], i64 [[N_MOD_VF]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP5]]
-; CHECK-NEXT:    [[TMP6:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP8]], i64 0
+; CHECK-NEXT:    [[TMP4:%.*]] = add nsw i64 [[TMP3]], -1
+; CHECK-NEXT:    [[N_MOD_VF:%.*]] = and i64 [[SMAX]], [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], i64 [[TMP3]], i64 [[N_MOD_VF]]
+; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP6]]
+; CHECK-NEXT:    [[TMP7:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP9]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[Z:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[VEC_IND]], i32 1
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP9]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP11:%.*]] = extractelement <vscale x 4 x ptr> [[TMP9]], i64 0
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP11]], align 4
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
+; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[VEC_IND]], i32 1
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP10]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <vscale x 4 x ptr> [[TMP10]], i64 0
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP12]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP12:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP12]], <vscale x 4 x ptr> [[TMP10]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP14:%.*]] = shl nuw nsw i64 [[TMP13]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP14]]
+; CHECK-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP13]], <vscale x 4 x ptr> [[TMP11]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP15:%.*]] = shl nuw nsw i64 [[TMP14]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP15]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
+; CHECK-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
 ; CHECK:       middle.block:
 ; CHECK-NEXT:    br label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
@@ -1143,57 +1138,58 @@ define i32 @PR27626_1(%pair.i32 *%p, i64 %n) #1 {
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], [[TMP3]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    [[TMP5:%.*]] = select i1 [[TMP4]], i64 [[TMP3]], i64 [[N_MOD_VF]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP5]]
-; CHECK-NEXT:    [[TMP6:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP8]], i64 0
+; CHECK-NEXT:    [[TMP4:%.*]] = add nsw i64 [[TMP3]], -1
+; CHECK-NEXT:    [[N_MOD_VF:%.*]] = and i64 [[SMAX]], [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], i64 [[TMP3]], i64 [[N_MOD_VF]]
+; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP6]]
+; CHECK-NEXT:    [[TMP7:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP9]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP14:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], i64 [[INDEX]], i32 0
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[VEC_IND]], i32 1
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP9]], align 4
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], i64 [[INDEX]], i32 0
+; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[VEC_IND]], i32 1
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP10]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP11]], <vscale x 4 x ptr> [[TMP10]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP12:%.*]] = extractelement <vscale x 4 x ptr> [[TMP10]], i64 0
-; CHECK-NEXT:    [[WIDE_VEC1:%.*]] = load <vscale x 8 x i32>, ptr [[TMP12]], align 4
+; CHECK-NEXT:    [[TMP12:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP12]], <vscale x 4 x ptr> [[TMP11]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP13:%.*]] = extractelement <vscale x 4 x ptr> [[TMP11]], i64 0
+; CHECK-NEXT:    [[WIDE_VEC1:%.*]] = load <vscale x 8 x i32>, ptr [[TMP13]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC2:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC1]])
-; CHECK-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 0
-; CHECK-NEXT:    [[TMP14]] = add <vscale x 4 x i32> [[TMP13]], [[VEC_PHI]]
-; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP16]]
+; CHECK-NEXT:    [[TMP14:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 0
+; CHECK-NEXT:    [[TMP15]] = add <vscale x 4 x i32> [[TMP14]], [[VEC_PHI]]
+; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP17]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
+; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[TMP18:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP14]])
+; CHECK-NEXT:    [[TMP19:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP15]])
 ; CHECK-NEXT:    br label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
-; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP18]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
+; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP19]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
-; CHECK-NEXT:    [[S:%.*]] = phi i32 [ [[TMP20:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT:    [[S:%.*]] = phi i32 [ [[TMP21:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[P_I_X:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[I]], i32 0
 ; CHECK-NEXT:    [[P_I_Y:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[I]], i32 1
-; CHECK-NEXT:    [[TMP19:%.*]] = load i32, ptr [[P_I_X]], align 4
-; CHECK-NEXT:    store i32 [[TMP19]], ptr [[P_I_Y]], align 4
-; CHECK-NEXT:    [[TMP20]] = add nsw i32 [[TMP19]], [[S]]
+; CHECK-NEXT:    [[TMP20:%.*]] = load i32, ptr [[P_I_X]], align 4
+; CHECK-NEXT:    store i32 [[TMP20]], ptr [[P_I_Y]], align 4
+; CHECK-NEXT:    [[TMP21]] = add nsw i32 [[TMP20]], [[S]]
 ; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
 ; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
 ; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END:%.*]], !llvm.loop [[LOOP25:![0-9]+]]
 ; CHECK:       for.end:
-; CHECK-NEXT:    ret i32 [[TMP20]]
+; CHECK-NEXT:    ret i32 [[TMP21]]
 ;
 entry:
   br label %for.body
@@ -1237,35 +1233,36 @@ define void @PR27626_2(%pair.i32 *%p, i64 %n, i32 %z) #1 {
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], [[TMP3]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    [[TMP5:%.*]] = select i1 [[TMP4]], i64 [[TMP3]], i64 [[N_MOD_VF]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP5]]
-; CHECK-NEXT:    [[TMP6:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP8]], i64 0
+; CHECK-NEXT:    [[TMP4:%.*]] = add nsw i64 [[TMP3]], -1
+; CHECK-NEXT:    [[N_MOD_VF:%.*]] = and i64 [[SMAX]], [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], i64 [[TMP3]], i64 [[N_MOD_VF]]
+; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP6]]
+; CHECK-NEXT:    [[TMP7:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP9]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[Z:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 -1, i32 0
-; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[VEC_IND]], i32 1
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP9]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP10]], align 4
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], <vscale x 4 x i64> [[VEC_IND]], i32 0
+; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 -1, i32 0
+; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[VEC_IND]], i32 1
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP10]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP11]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP12:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP12]], <vscale x 4 x ptr> [[TMP11]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP14:%.*]] = shl nuw nsw i64 [[TMP13]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP14]]
+; CHECK-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP13]], <vscale x 4 x ptr> [[TMP12]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP15:%.*]] = shl nuw nsw i64 [[TMP14]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP15]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
+; CHECK-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
 ; CHECK:       middle.block:
 ; CHECK-NEXT:    br label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
@@ -1277,8 +1274,8 @@ define void @PR27626_2(%pair.i32 *%p, i64 %n, i32 %z) #1 {
 ; CHECK-NEXT:    [[P_I_MINUS_1_X:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 -1, i32 0
 ; CHECK-NEXT:    [[P_I_Y:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[I]], i32 1
 ; CHECK-NEXT:    store i32 [[Z]], ptr [[P_I_X]], align 4
-; CHECK-NEXT:    [[TMP16:%.*]] = load i32, ptr [[P_I_MINUS_1_X]], align 4
-; CHECK-NEXT:    store i32 [[TMP16]], ptr [[P_I_Y]], align 4
+; CHECK-NEXT:    [[TMP17:%.*]] = load i32, ptr [[P_I_MINUS_1_X]], align 4
+; CHECK-NEXT:    store i32 [[TMP17]], ptr [[P_I_Y]], align 4
 ; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
 ; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
 ; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END:%.*]], !llvm.loop [[LOOP27:![0-9]+]]
@@ -1326,61 +1323,62 @@ define i32 @PR27626_3(%pair.i32 *%p, i64 %n, i32 %z) #1 {
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
 ; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], [[TMP3]]
-; CHECK-NEXT:    [[TMP4:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    [[TMP5:%.*]] = select i1 [[TMP4]], i64 [[TMP3]], i64 [[N_MOD_VF]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP5]]
-; CHECK-NEXT:    [[TMP6:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP8]], i64 0
+; CHECK-NEXT:    [[TMP4:%.*]] = add nsw i64 [[TMP3]], -1
+; CHECK-NEXT:    [[N_MOD_VF:%.*]] = and i64 [[SMAX]], [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[TMP6:%.*]] = select i1 [[TMP5]], i64 [[TMP3]], i64 [[N_MOD_VF]]
+; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP6]]
+; CHECK-NEXT:    [[TMP7:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP9]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP9:%.*]] = add nuw nsw <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], i64 [[INDEX]], i32 0
-; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[INDEX]], i32 1
-; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[TMP9]], i32 1
-; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP10]], align 4
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP10:%.*]] = add nuw nsw <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], ptr [[P:%.*]], i64 [[INDEX]], i32 0
+; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[INDEX]], i32 1
+; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], <vscale x 4 x i64> [[TMP10]], i32 1
+; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[TMP11]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP13]], <vscale x 4 x ptr> [[TMP12]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[WIDE_VEC1:%.*]] = load <vscale x 8 x i32>, ptr [[TMP11]], align 4
+; CHECK-NEXT:    [[TMP14:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP14]], <vscale x 4 x ptr> [[TMP13]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[WIDE_VEC1:%.*]] = load <vscale x 8 x i32>, ptr [[TMP12]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC2:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC1]])
-; CHECK-NEXT:    [[TMP14:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 0
-; CHECK-NEXT:    [[TMP15]] = add <vscale x 4 x i32> [[TMP14]], [[VEC_PHI]]
-; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP17]]
+; CHECK-NEXT:    [[TMP15:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC2]], 0
+; CHECK-NEXT:    [[TMP16]] = add <vscale x 4 x i32> [[TMP15]], [[VEC_PHI]]
+; CHECK-NEXT:    [[TMP17:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP18:%.*]] = shl nuw nsw i64 [[TMP17]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP18]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
+; CHECK-NEXT:    [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[TMP19:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP15]])
+; CHECK-NEXT:    [[TMP20:%.*]] = call i32 @llvm.vector.reduce.add.nxv4i32(<vscale x 4 x i32> [[TMP16]])
 ; CHECK-NEXT:    br label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
-; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP19]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
+; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP20]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
-; CHECK-NEXT:    [[S:%.*]] = phi i32 [ [[TMP22:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT:    [[S:%.*]] = phi i32 [ [[TMP23:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[I_PLUS_1:%.*]] = add nuw nsw i64 [[I]], 1
 ; CHECK-NEXT:    [[P_I_X:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[I]], i32 0
 ; CHECK-NEXT:    [[P_I_Y:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[I]], i32 1
 ; CHECK-NEXT:    [[P_I_PLUS_1_Y:%.*]] = getelementptr inbounds [[PAIR_I32]], ptr [[P]], i64 [[I_PLUS_1]], i32 1
-; CHECK-NEXT:    [[TMP20:%.*]] = load i32, ptr [[P_I_X]], align 4
-; CHECK-NEXT:    store i32 [[TMP20]], ptr [[P_I_PLUS_1_Y]], align 4
-; CHECK-NEXT:    [[TMP21:%.*]] = load i32, ptr [[P_I_Y]], align 4
-; CHECK-NEXT:    [[TMP22]] = add nsw i32 [[TMP21]], [[S]]
+; CHECK-NEXT:    [[TMP21:%.*]] = load i32, ptr [[P_I_X]], align 4
+; CHECK-NEXT:    store i32 [[TMP21]], ptr [[P_I_PLUS_1_Y]], align 4
+; CHECK-NEXT:    [[TMP22:%.*]] = load i32, ptr [[P_I_Y]], align 4
+; CHECK-NEXT:    [[TMP23]] = add nsw i32 [[TMP22]], [[S]]
 ; CHECK-NEXT:    [[I_NEXT]] = add nuw nsw i64 [[I]], 1
 ; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
 ; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END:%.*]], !llvm.loop [[LOOP29:![0-9]+]]
 ; CHECK:       for.end:
-; CHECK-NEXT:    ret i32 [[TMP22]]
+; CHECK-NEXT:    ret i32 [[TMP23]]
 ;
 entry:
   br label %for.body
@@ -1430,15 +1428,14 @@ define void @PR27626_4(i32 *%a, i32 %x, i32 %y, i32 %z, i64 %n) #1 {
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], [[TMP6]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[TMP2]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[IND_END:%.*]] = shl i64 [[N_VEC]], 1
-; CHECK-NEXT:    [[TMP7:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP8:%.*]] = shl <vscale x 4 x i64> [[TMP7]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 3
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP10]], i64 0
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP5]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP2]], [[DOTNEG]]
+; CHECK-NEXT:    [[IND_END:%.*]] = shl nuw i64 [[N_VEC]], 1
+; CHECK-NEXT:    [[TMP6:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP7:%.*]] = shl <vscale x 4 x i64> [[TMP6]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 3
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP9]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[X:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
@@ -1449,23 +1446,23 @@ define void @PR27626_4(i32 *%a, i32 %x, i32 %y, i32 %z, i64 %n) #1 {
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP8]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 1
-; CHECK-NEXT:    [[TMP11:%.*]] = or i64 [[OFFSET_IDX]], 1
-; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], <vscale x 4 x i64> [[VEC_IND]]
-; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP11]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP12]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[TMP13]], i64 -1
+; CHECK-NEXT:    [[TMP10:%.*]] = or i64 [[OFFSET_IDX]], 1
+; CHECK-NEXT:    [[TMP11:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], <vscale x 4 x i64> [[VEC_IND]]
+; CHECK-NEXT:    [[TMP12:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[TMP10]]
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP11]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[TMP12]], i64 -1
 ; CHECK-NEXT:    [[INTERLEAVED_VEC:%.*]] = call <vscale x 8 x i32> @llvm.experimental.vector.interleave2.nxv8i32(<vscale x 4 x i32> [[BROADCAST_SPLAT2]], <vscale x 4 x i32> [[BROADCAST_SPLAT4]])
-; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP14]], align 4
-; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP16]]
+; CHECK-NEXT:    store <vscale x 8 x i32> [[INTERLEAVED_VEC]], ptr [[TMP13]], align 4
+; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP15:%.*]] = shl nuw nsw i64 [[TMP14]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP15]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
+; CHECK-NEXT:    [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -1526,17 +1523,16 @@ define void @PR27626_5(i32 *%a, i32 %x, i32 %y, i32 %z, i64 %n) #1 {
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], [[TMP6]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[TMP2]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TMP7:%.*]] = shl i64 [[N_VEC]], 1
-; CHECK-NEXT:    [[IND_END:%.*]] = add i64 [[TMP7]], 3
-; CHECK-NEXT:    [[TMP8:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP9:%.*]] = shl <vscale x 4 x i64> [[TMP8]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[TMP9]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 3, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP10:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP11:%.*]] = shl nuw nsw i64 [[TMP10]], 3
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP11]], i64 0
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP5]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP2]], [[DOTNEG]]
+; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw i64 [[N_VEC]], 1
+; CHECK-NEXT:    [[IND_END:%.*]] = or i64 [[TMP6]], 3
+; CHECK-NEXT:    [[TMP7:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = shl <vscale x 4 x i64> [[TMP7]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[INDUCTION:%.*]] = add <vscale x 4 x i64> [[TMP8]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 3, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 3
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP10]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    [[BROADCAST_SPLATINSERT:%.*]] = insertelement <vscale x 4 x i32> poison, i32 [[X:%.*]], i64 0
 ; CHECK-NEXT:    [[BROADCAST_SPLAT:%.*]] = shufflevector <vscale x 4 x i32> [[BROADCAST_SPLATINSERT]], <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer
@@ -1548,22 +1544,22 @@ define void @PR27626_5(i32 *%a, i32 %x, i32 %y, i32 %z, i64 %n) #1 {
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP12:%.*]] = add <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 -1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP13:%.*]] = add <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 -3, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], <vscale x 4 x i64> [[VEC_IND]]
+; CHECK-NEXT:    [[TMP11:%.*]] = add <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 -1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP12:%.*]] = add <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 -3, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP13:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], <vscale x 4 x i64> [[VEC_IND]]
+; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr inbounds i32, ptr [[A]], <vscale x 4 x i64> [[TMP11]]
 ; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, ptr [[A]], <vscale x 4 x i64> [[TMP12]]
-; CHECK-NEXT:    [[TMP16:%.*]] = getelementptr inbounds i32, ptr [[A]], <vscale x 4 x i64> [[TMP13]]
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP15]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT2]], <vscale x 4 x ptr> [[TMP16]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT4]], <vscale x 4 x ptr> [[TMP14]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
-; CHECK-NEXT:    [[TMP17:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP18:%.*]] = shl nuw nsw i64 [[TMP17]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP18]]
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT]], <vscale x 4 x ptr> [[TMP14]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT2]], <vscale x 4 x ptr> [[TMP15]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[BROADCAST_SPLAT4]], <vscale x 4 x ptr> [[TMP13]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer))
+; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP17]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
+; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 3, [[ENTRY:%.*]] ]
@@ -1638,51 +1634,50 @@ define void @PR34743(i16* %a, i32* %b, i64 %n) #1 {
 ; CHECK-NEXT:    br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[TMP1]], [[TMP9]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[TMP1]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP8]], -4
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[TMP1]], [[DOTNEG]]
 ; CHECK-NEXT:    [[IND_END:%.*]] = shl i64 [[N_VEC]], 1
-; CHECK-NEXT:    [[TMP10:%.*]] = call i32 @llvm.vscale.i32()
-; CHECK-NEXT:    [[TMP11:%.*]] = shl nuw nsw i32 [[TMP10]], 2
-; CHECK-NEXT:    [[TMP12:%.*]] = add nsw i32 [[TMP11]], -1
-; CHECK-NEXT:    [[VECTOR_RECUR_INIT:%.*]] = insertelement <vscale x 4 x i16> poison, i16 [[DOTPRE]], i32 [[TMP12]]
-; CHECK-NEXT:    [[TMP13:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
-; CHECK-NEXT:    [[TMP14:%.*]] = shl <vscale x 4 x i64> [[TMP13]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 3
-; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP16]], i64 0
+; CHECK-NEXT:    [[TMP9:%.*]] = call i32 @llvm.vscale.i32()
+; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i32 [[TMP9]], 2
+; CHECK-NEXT:    [[TMP11:%.*]] = add nsw i32 [[TMP10]], -1
+; CHECK-NEXT:    [[VECTOR_RECUR_INIT:%.*]] = insertelement <vscale x 4 x i16> poison, i16 [[DOTPRE]], i32 [[TMP11]]
+; CHECK-NEXT:    [[TMP12:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT:    [[TMP13:%.*]] = shl <vscale x 4 x i64> [[TMP12]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP14:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP15:%.*]] = shl nuw nsw i64 [[TMP14]], 3
+; CHECK-NEXT:    [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP15]], i64 0
 ; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[VECTOR_RECUR:%.*]] = phi <vscale x 4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_MASKED_GATHER4:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP14]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP17:%.*]] = add nuw nsw <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP18:%.*]] = add nuw nsw <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 2, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr inbounds i16, ptr [[A]], <vscale x 4 x i64> [[TMP17]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP19]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison), !alias.scope !34
-; CHECK-NEXT:    [[TMP20:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER]] to <vscale x 4 x i32>
-; CHECK-NEXT:    [[TMP21:%.*]] = getelementptr inbounds i16, ptr [[A]], <vscale x 4 x i64> [[TMP18]]
-; CHECK-NEXT:    [[WIDE_MASKED_GATHER4]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP21]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison), !alias.scope !34
-; CHECK-NEXT:    [[TMP22:%.*]] = call <vscale x 4 x i16> @llvm.experimental.vector.splice.nxv4i16(<vscale x 4 x i16> [[VECTOR_RECUR]], <vscale x 4 x i16> [[WIDE_MASKED_GATHER4]], i32 -1)
-; CHECK-NEXT:    [[TMP23:%.*]] = sext <vscale x 4 x i16> [[TMP22]] to <vscale x 4 x i32>
-; CHECK-NEXT:    [[TMP24:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER4]] to <vscale x 4 x i32>
-; CHECK-NEXT:    [[TMP25:%.*]] = mul nsw <vscale x 4 x i32> [[TMP23]], [[TMP20]]
-; CHECK-NEXT:    [[TMP26:%.*]] = mul nsw <vscale x 4 x i32> [[TMP25]], [[TMP24]]
-; CHECK-NEXT:    [[TMP27:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDEX]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP26]], ptr [[TMP27]], align 4, !alias.scope !37, !noalias !34
-; CHECK-NEXT:    [[TMP28:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP29:%.*]] = shl nuw nsw i64 [[TMP28]], 2
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP29]]
+; CHECK-NEXT:    [[VEC_IND:%.*]] = phi <vscale x 4 x i64> [ [[TMP13]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP16:%.*]] = add nuw nsw <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 1, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP17:%.*]] = add nuw nsw <vscale x 4 x i64> [[VEC_IND]], shufflevector (<vscale x 4 x i64> insertelement (<vscale x 4 x i64> poison, i64 2, i64 0), <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP18:%.*]] = getelementptr inbounds i16, ptr [[A]], <vscale x 4 x i64> [[TMP16]]
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP18]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison), !alias.scope [[META34:![0-9]+]]
+; CHECK-NEXT:    [[TMP19:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER]] to <vscale x 4 x i32>
+; CHECK-NEXT:    [[TMP20:%.*]] = getelementptr inbounds i16, ptr [[A]], <vscale x 4 x i64> [[TMP17]]
+; CHECK-NEXT:    [[WIDE_MASKED_GATHER4]] = call <vscale x 4 x i16> @llvm.masked.gather.nxv4i16.nxv4p0(<vscale x 4 x ptr> [[TMP20]], i32 4, <vscale x 4 x i1> shufflevector (<vscale x 4 x i1> insertelement (<vscale x 4 x i1> poison, i1 true, i64 0), <vscale x 4 x i1> poison, <vscale x 4 x i32> zeroinitializer), <vscale x 4 x i16> poison), !alias.scope [[META34]]
+; CHECK-NEXT:    [[TMP21:%.*]] = call <vscale x 4 x i16> @llvm.experimental.vector.splice.nxv4i16(<vscale x 4 x i16> [[VECTOR_RECUR]], <vscale x 4 x i16> [[WIDE_MASKED_GATHER4]], i32 -1)
+; CHECK-NEXT:    [[TMP22:%.*]] = sext <vscale x 4 x i16> [[TMP21]] to <vscale x 4 x i32>
+; CHECK-NEXT:    [[TMP23:%.*]] = sext <vscale x 4 x i16> [[WIDE_MASKED_GATHER4]] to <vscale x 4 x i32>
+; CHECK-NEXT:    [[TMP24:%.*]] = mul nsw <vscale x 4 x i32> [[TMP22]], [[TMP19]]
+; CHECK-NEXT:    [[TMP25:%.*]] = mul nsw <vscale x 4 x i32> [[TMP24]], [[TMP23]]
+; CHECK-NEXT:    [[TMP26:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[INDEX]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP25]], ptr [[TMP26]], align 4, !alias.scope [[META37:![0-9]+]], !noalias [[META34]]
+; CHECK-NEXT:    [[TMP27:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP28:%.*]] = shl nuw nsw i64 [[TMP27]], 2
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP28]]
 ; CHECK-NEXT:    [[VEC_IND_NEXT]] = add <vscale x 4 x i64> [[VEC_IND]], [[DOTSPLAT]]
-; CHECK-NEXT:    [[TMP30:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP39:![0-9]+]]
+; CHECK-NEXT:    [[TMP29:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP29]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP39:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    [[TMP31:%.*]] = call i32 @llvm.vscale.i32()
-; CHECK-NEXT:    [[TMP32:%.*]] = shl nuw nsw i32 [[TMP31]], 2
-; CHECK-NEXT:    [[TMP33:%.*]] = add nsw i32 [[TMP32]], -1
-; CHECK-NEXT:    [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <vscale x 4 x i16> [[WIDE_MASKED_GATHER4]], i32 [[TMP33]]
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[TMP1]], [[N_VEC]]
+; CHECK-NEXT:    [[TMP30:%.*]] = call i32 @llvm.vscale.i32()
+; CHECK-NEXT:    [[TMP31:%.*]] = shl nuw nsw i32 [[TMP30]], 2
+; CHECK-NEXT:    [[TMP32:%.*]] = add nsw i32 [[TMP31]], -1
+; CHECK-NEXT:    [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <vscale x 4 x i16> [[WIDE_MASKED_GATHER4]], i32 [[TMP32]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[END:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]

diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll
index 8f1dcf4..58e5185 100644 (file)
--- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll
+++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-widen-phi.ll
@@ -23,52 +23,51 @@ define void @widen_ptr_phi_unrolled(ptr noalias nocapture %a, ptr noalias nocapt
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 3
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TMP4:%.*]] = shl i64 [[N_VEC]], 3
-; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[C:%.*]], i64 [[TMP4]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -8
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
+; CHECK-NEXT:    [[TMP3:%.*]] = shl i64 [[N_VEC]], 3
+; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[C:%.*]], i64 [[TMP3]]
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP5:%.*]] = shl i64 [[INDEX]], 3
-; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[C]], i64 [[TMP5]]
-; CHECK-NEXT:    [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = shl nuw nsw i64 [[TMP6]], 5
-; CHECK-NEXT:    [[TMP8:%.*]] = shl i64 [[INDEX]], 3
-; CHECK-NEXT:    [[TMP9:%.*]] = add i64 [[TMP7]], [[TMP8]]
-; CHECK-NEXT:    [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[C]], i64 [[TMP9]]
+; CHECK-NEXT:    [[TMP4:%.*]] = shl i64 [[INDEX]], 3
+; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[C]], i64 [[TMP4]]
+; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 5
+; CHECK-NEXT:    [[TMP7:%.*]] = shl i64 [[INDEX]], 3
+; CHECK-NEXT:    [[TMP8:%.*]] = add i64 [[TMP6]], [[TMP7]]
+; CHECK-NEXT:    [[NEXT_GEP2:%.*]] = getelementptr i8, ptr [[C]], i64 [[TMP8]]
 ; CHECK-NEXT:    [[WIDE_VEC:%.*]] = load <vscale x 8 x i32>, ptr [[NEXT_GEP]], align 4
 ; CHECK-NEXT:    [[WIDE_VEC3:%.*]] = load <vscale x 8 x i32>, ptr [[NEXT_GEP2]], align 4
 ; CHECK-NEXT:    [[STRIDED_VEC:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC]])
-; CHECK-NEXT:    [[TMP10:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
-; CHECK-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
+; CHECK-NEXT:    [[TMP9:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 0
+; CHECK-NEXT:    [[TMP10:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC]], 1
 ; CHECK-NEXT:    [[STRIDED_VEC4:%.*]] = call { <vscale x 4 x i32>, <vscale x 4 x i32> } @llvm.experimental.vector.deinterleave2.nxv8i32(<vscale x 8 x i32> [[WIDE_VEC3]])
-; CHECK-NEXT:    [[TMP12:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC4]], 0
-; CHECK-NEXT:    [[TMP13:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC4]], 1
-; CHECK-NEXT:    [[TMP14:%.*]] = add nsw <vscale x 4 x i32> [[TMP10]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP15:%.*]] = add nsw <vscale x 4 x i32> [[TMP12]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP16:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP14]], ptr [[TMP16]], align 4
-; CHECK-NEXT:    [[TMP17:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP18:%.*]] = shl nuw nsw i64 [[TMP17]], 2
-; CHECK-NEXT:    [[TMP19:%.*]] = getelementptr inbounds i32, ptr [[TMP16]], i64 [[TMP18]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP15]], ptr [[TMP19]], align 4
-; CHECK-NEXT:    [[TMP20:%.*]] = add nsw <vscale x 4 x i32> [[TMP11]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP21:%.*]] = add nsw <vscale x 4 x i32> [[TMP13]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP22:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP20]], ptr [[TMP22]], align 4
-; CHECK-NEXT:    [[TMP23:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP24:%.*]] = shl nuw nsw i64 [[TMP23]], 2
-; CHECK-NEXT:    [[TMP25:%.*]] = getelementptr inbounds i32, ptr [[TMP22]], i64 [[TMP24]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP21]], ptr [[TMP25]], align 4
-; CHECK-NEXT:    [[TMP26:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP27:%.*]] = shl nuw nsw i64 [[TMP26]], 3
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP27]]
-; CHECK-NEXT:    [[TMP28:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP28]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; CHECK-NEXT:    [[TMP11:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC4]], 0
+; CHECK-NEXT:    [[TMP12:%.*]] = extractvalue { <vscale x 4 x i32>, <vscale x 4 x i32> } [[STRIDED_VEC4]], 1
+; CHECK-NEXT:    [[TMP13:%.*]] = add nsw <vscale x 4 x i32> [[TMP9]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP14:%.*]] = add nsw <vscale x 4 x i32> [[TMP11]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr inbounds i32, ptr [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP13]], ptr [[TMP15]], align 4
+; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 2
+; CHECK-NEXT:    [[TMP18:%.*]] = getelementptr inbounds i32, ptr [[TMP15]], i64 [[TMP17]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP14]], ptr [[TMP18]], align 4
+; CHECK-NEXT:    [[TMP19:%.*]] = add nsw <vscale x 4 x i32> [[TMP10]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP20:%.*]] = add nsw <vscale x 4 x i32> [[TMP12]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP21:%.*]] = getelementptr inbounds i32, ptr [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP19]], ptr [[TMP21]], align 4
+; CHECK-NEXT:    [[TMP22:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP23:%.*]] = shl nuw nsw i64 [[TMP22]], 2
+; CHECK-NEXT:    [[TMP24:%.*]] = getelementptr inbounds i32, ptr [[TMP21]], i64 [[TMP23]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP20]], ptr [[TMP24]], align 4
+; CHECK-NEXT:    [[TMP25:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP26:%.*]] = shl nuw nsw i64 [[TMP25]], 3
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP26]]
+; CHECK-NEXT:    [[TMP27:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP27]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_EXIT:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[C]], [[ENTRY:%.*]] ]
@@ -78,13 +77,13 @@ define void @widen_ptr_phi_unrolled(ptr noalias nocapture %a, ptr noalias nocapt
 ; CHECK-NEXT:    [[PTR_014:%.*]] = phi ptr [ [[INCDEC_PTR1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[I_013:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[INCDEC_PTR:%.*]] = getelementptr inbounds i32, ptr [[PTR_014]], i64 1
-; CHECK-NEXT:    [[TMP29:%.*]] = load i32, ptr [[PTR_014]], align 4
+; CHECK-NEXT:    [[TMP28:%.*]] = load i32, ptr [[PTR_014]], align 4
 ; CHECK-NEXT:    [[INCDEC_PTR1]] = getelementptr inbounds i32, ptr [[PTR_014]], i64 2
-; CHECK-NEXT:    [[TMP30:%.*]] = load i32, ptr [[INCDEC_PTR]], align 4
-; CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP29]], 1
+; CHECK-NEXT:    [[TMP29:%.*]] = load i32, ptr [[INCDEC_PTR]], align 4
+; CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP28]], 1
 ; CHECK-NEXT:    [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[A]], i64 [[I_013]]
 ; CHECK-NEXT:    store i32 [[ADD]], ptr [[ARRAYIDX]], align 4
-; CHECK-NEXT:    [[ADD2:%.*]] = add nsw i32 [[TMP30]], 1
+; CHECK-NEXT:    [[ADD2:%.*]] = add nsw i32 [[TMP29]], 1
 ; CHECK-NEXT:    [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, ptr [[B]], i64 [[I_013]]
 ; CHECK-NEXT:    store i32 [[ADD2]], ptr [[ARRAYIDX3]], align 4
 ; CHECK-NEXT:    [[INC]] = add nuw nsw i64 [[I_013]], 1
@@ -138,39 +137,38 @@ define void @widen_2ptrs_phi_unrolled(ptr noalias nocapture %dst, ptr noalias no
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 3
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[N]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -8
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], [[N]]
+; CHECK-NEXT:    [[TMP3:%.*]] = shl i64 [[N_VEC]], 2
+; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[SRC:%.*]], i64 [[TMP3]]
 ; CHECK-NEXT:    [[TMP4:%.*]] = shl i64 [[N_VEC]], 2
-; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[SRC:%.*]], i64 [[TMP4]]
-; CHECK-NEXT:    [[TMP5:%.*]] = shl i64 [[N_VEC]], 2
-; CHECK-NEXT:    [[IND_END2:%.*]] = getelementptr i8, ptr [[DST:%.*]], i64 [[TMP5]]
+; CHECK-NEXT:    [[IND_END2:%.*]] = getelementptr i8, ptr [[DST:%.*]], i64 [[TMP4]]
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP5:%.*]] = shl i64 [[INDEX]], 2
+; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[SRC]], i64 [[TMP5]]
 ; CHECK-NEXT:    [[TMP6:%.*]] = shl i64 [[INDEX]], 2
-; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[SRC]], i64 [[TMP6]]
-; CHECK-NEXT:    [[TMP7:%.*]] = shl i64 [[INDEX]], 2
-; CHECK-NEXT:    [[NEXT_GEP5:%.*]] = getelementptr i8, ptr [[DST]], i64 [[TMP7]]
+; CHECK-NEXT:    [[NEXT_GEP5:%.*]] = getelementptr i8, ptr [[DST]], i64 [[TMP6]]
 ; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 4 x i32>, ptr [[NEXT_GEP]], align 4
-; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 2
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr i32, ptr [[NEXT_GEP]], i64 [[TMP9]]
-; CHECK-NEXT:    [[WIDE_LOAD7:%.*]] = load <vscale x 4 x i32>, ptr [[TMP10]], align 4
-; CHECK-NEXT:    [[TMP11:%.*]] = shl nsw <vscale x 4 x i32> [[WIDE_LOAD]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP12:%.*]] = shl nsw <vscale x 4 x i32> [[WIDE_LOAD7]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP11]], ptr [[NEXT_GEP5]], align 4
-; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP14:%.*]] = shl nuw nsw i64 [[TMP13]], 2
-; CHECK-NEXT:    [[TMP15:%.*]] = getelementptr i32, ptr [[NEXT_GEP5]], i64 [[TMP14]]
-; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP12]], ptr [[TMP15]], align 4
-; CHECK-NEXT:    [[TMP16:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP17:%.*]] = shl nuw nsw i64 [[TMP16]], 3
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP17]]
-; CHECK-NEXT:    [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
+; CHECK-NEXT:    [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP8:%.*]] = shl nuw nsw i64 [[TMP7]], 2
+; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr i32, ptr [[NEXT_GEP]], i64 [[TMP8]]
+; CHECK-NEXT:    [[WIDE_LOAD7:%.*]] = load <vscale x 4 x i32>, ptr [[TMP9]], align 4
+; CHECK-NEXT:    [[TMP10:%.*]] = shl nsw <vscale x 4 x i32> [[WIDE_LOAD]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP11:%.*]] = shl nsw <vscale x 4 x i32> [[WIDE_LOAD7]], shufflevector (<vscale x 4 x i32> insertelement (<vscale x 4 x i32> poison, i32 1, i64 0), <vscale x 4 x i32> poison, <vscale x 4 x i32> zeroinitializer)
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP10]], ptr [[NEXT_GEP5]], align 4
+; CHECK-NEXT:    [[TMP12:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 2
+; CHECK-NEXT:    [[TMP14:%.*]] = getelementptr i32, ptr [[NEXT_GEP5]], i64 [[TMP13]]
+; CHECK-NEXT:    store <vscale x 4 x i32> [[TMP11]], ptr [[TMP14]], align 4
+; CHECK-NEXT:    [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP16:%.*]] = shl nuw nsw i64 [[TMP15]], 3
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP16]]
+; CHECK-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
@@ -181,8 +179,8 @@ define void @widen_2ptrs_phi_unrolled(ptr noalias nocapture %dst, ptr noalias no
 ; CHECK-NEXT:    [[I_011:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[S_010:%.*]] = phi ptr [ [[INCDEC_PTR1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
 ; CHECK-NEXT:    [[D_09:%.*]] = phi ptr [ [[INCDEC_PTR:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL3]], [[SCALAR_PH]] ]
-; CHECK-NEXT:    [[TMP19:%.*]] = load i32, ptr [[S_010]], align 4
-; CHECK-NEXT:    [[MUL:%.*]] = shl nsw i32 [[TMP19]], 1
+; CHECK-NEXT:    [[TMP18:%.*]] = load i32, ptr [[S_010]], align 4
+; CHECK-NEXT:    [[MUL:%.*]] = shl nsw i32 [[TMP18]], 1
 ; CHECK-NEXT:    store i32 [[MUL]], ptr [[D_09]], align 4
 ; CHECK-NEXT:    [[INCDEC_PTR]] = getelementptr inbounds i32, ptr [[D_09]], i64 1
 ; CHECK-NEXT:    [[INCDEC_PTR1]] = getelementptr inbounds i32, ptr [[S_010]], i64 1
@@ -230,44 +228,43 @@ define i32 @pointer_iv_mixed(ptr noalias %a, ptr noalias %b, i64 %n) #0 {
 ; CHECK-NEXT:    br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 1
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], [[TMP3]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[N_MOD_VF]]
-; CHECK-NEXT:    [[TMP4:%.*]] = shl i64 [[N_VEC]], 2
-; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[A:%.*]], i64 [[TMP4]]
-; CHECK-NEXT:    [[TMP5:%.*]] = shl i64 [[N_VEC]], 3
-; CHECK-NEXT:    [[IND_END2:%.*]] = getelementptr i8, ptr [[B:%.*]], i64 [[TMP5]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nsw i64 [[TMP2]], -2
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[SMAX]], [[DOTNEG]]
+; CHECK-NEXT:    [[TMP3:%.*]] = shl i64 [[N_VEC]], 2
+; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[A:%.*]], i64 [[TMP3]]
+; CHECK-NEXT:    [[TMP4:%.*]] = shl i64 [[N_VEC]], 3
+; CHECK-NEXT:    [[IND_END2:%.*]] = getelementptr i8, ptr [[B:%.*]], i64 [[TMP4]]
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[POINTER_PHI:%.*]] = phi ptr [ [[A]], [[VECTOR_PH]] ], [ [[PTR_IND:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP12:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP6:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP7:%.*]] = shl nuw nsw i64 [[TMP6]], 3
-; CHECK-NEXT:    [[TMP8:%.*]] = call <vscale x 2 x i64> @llvm.experimental.stepvector.nxv2i64()
-; CHECK-NEXT:    [[VECTOR_GEP:%.*]] = shl <vscale x 2 x i64> [[TMP8]], shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 2, i64 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <vscale x 2 x i64> [[VECTOR_GEP]]
-; CHECK-NEXT:    [[TMP10:%.*]] = shl i64 [[INDEX]], 3
-; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP10]]
-; CHECK-NEXT:    [[TMP11:%.*]] = extractelement <vscale x 2 x ptr> [[TMP9]], i64 0
-; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 2 x i32>, ptr [[TMP11]], align 8
-; CHECK-NEXT:    [[TMP12]] = add <vscale x 2 x i32> [[WIDE_LOAD]], [[VEC_PHI]]
-; CHECK-NEXT:    store <vscale x 2 x ptr> [[TMP9]], ptr [[NEXT_GEP]], align 8
-; CHECK-NEXT:    [[TMP13:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP14:%.*]] = shl nuw nsw i64 [[TMP13]], 1
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP14]]
-; CHECK-NEXT:    [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 [[TMP7]]
-; CHECK-NEXT:    [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
+; CHECK-NEXT:    [[VEC_PHI:%.*]] = phi <vscale x 2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT:    [[TMP5:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP6:%.*]] = shl nuw nsw i64 [[TMP5]], 3
+; CHECK-NEXT:    [[TMP7:%.*]] = call <vscale x 2 x i64> @llvm.experimental.stepvector.nxv2i64()
+; CHECK-NEXT:    [[VECTOR_GEP:%.*]] = shl <vscale x 2 x i64> [[TMP7]], shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 2, i64 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <vscale x 2 x i64> [[VECTOR_GEP]]
+; CHECK-NEXT:    [[TMP9:%.*]] = shl i64 [[INDEX]], 3
+; CHECK-NEXT:    [[NEXT_GEP:%.*]] = getelementptr i8, ptr [[B]], i64 [[TMP9]]
+; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <vscale x 2 x ptr> [[TMP8]], i64 0
+; CHECK-NEXT:    [[WIDE_LOAD:%.*]] = load <vscale x 2 x i32>, ptr [[TMP10]], align 8
+; CHECK-NEXT:    [[TMP11]] = add <vscale x 2 x i32> [[WIDE_LOAD]], [[VEC_PHI]]
+; CHECK-NEXT:    store <vscale x 2 x ptr> [[TMP8]], ptr [[NEXT_GEP]], align 8
+; CHECK-NEXT:    [[TMP12:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP13:%.*]] = shl nuw nsw i64 [[TMP12]], 1
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP13]]
+; CHECK-NEXT:    [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 [[TMP6]]
+; CHECK-NEXT:    [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[TMP16:%.*]] = call i32 @llvm.vector.reduce.add.nxv2i32(<vscale x 2 x i32> [[TMP12]])
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
+; CHECK-NEXT:    [[TMP15:%.*]] = call i32 @llvm.vector.reduce.add.nxv2i32(<vscale x 2 x i32> [[TMP11]])
+; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
 ; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[A]], [[ENTRY]] ]
 ; CHECK-NEXT:    [[BC_RESUME_VAL3:%.*]] = phi ptr [ [[IND_END2]], [[MIDDLE_BLOCK]] ], [ [[B]], [[ENTRY]] ]
-; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP16]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
+; CHECK-NEXT:    [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP15]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
 ; CHECK-NEXT:    br label [[FOR_BODY:%.*]]
 ; CHECK:       for.body:
 ; CHECK-NEXT:    [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
@@ -283,7 +280,7 @@ define i32 @pointer_iv_mixed(ptr noalias %a, ptr noalias %b, i64 %n) #0 {
 ; CHECK-NEXT:    [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
 ; CHECK-NEXT:    br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP8:![0-9]+]]
 ; CHECK:       for.end:
-; CHECK-NEXT:    [[VAR5:%.*]] = phi i32 [ [[VAR2]], [[FOR_BODY]] ], [ [[TMP16]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT:    [[VAR5:%.*]] = phi i32 [ [[VAR2]], [[FOR_BODY]] ], [ [[TMP15]], [[MIDDLE_BLOCK]] ]
 ; CHECK-NEXT:    ret i32 [[VAR5]]
 ;
 entry:
@@ -314,32 +311,31 @@ define void @phi_used_in_vector_compare_and_scalar_indvar_update_and_store(ptr %
 ; CHECK-NEXT:    br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
 ; CHECK:       vector.ph:
 ; CHECK-NEXT:    [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 1
-; CHECK-NEXT:    [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP1]]
-; CHECK-NEXT:    [[N_VEC:%.*]] = sub nuw nsw i64 1024, [[N_MOD_VF]]
-; CHECK-NEXT:    [[TMP2:%.*]] = shl nuw nsw i64 [[N_VEC]], 1
-; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[PTR:%.*]], i64 [[TMP2]]
+; CHECK-NEXT:    [[DOTNEG:%.*]] = mul nuw nsw i64 [[TMP0]], 2046
+; CHECK-NEXT:    [[N_VEC:%.*]] = and i64 [[DOTNEG]], 1024
+; CHECK-NEXT:    [[TMP1:%.*]] = shl nuw nsw i64 [[N_VEC]], 1
+; CHECK-NEXT:    [[IND_END:%.*]] = getelementptr i8, ptr [[PTR:%.*]], i64 [[TMP1]]
 ; CHECK-NEXT:    br label [[VECTOR_BODY:%.*]]
 ; CHECK:       vector.body:
 ; CHECK-NEXT:    [[POINTER_PHI:%.*]] = phi ptr [ [[PTR]], [[VECTOR_PH]] ], [ [[PTR_IND:%.*]], [[VECTOR_BODY]] ]
 ; CHECK-NEXT:    [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT:    [[TMP3:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP4:%.*]] = shl nuw nsw i64 [[TMP3]], 2
-; CHECK-NEXT:    [[TMP5:%.*]] = call <vscale x 2 x i64> @llvm.experimental.stepvector.nxv2i64()
-; CHECK-NEXT:    [[VECTOR_GEP:%.*]] = shl <vscale x 2 x i64> [[TMP5]], shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 1, i64 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer)
-; CHECK-NEXT:    [[TMP6:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <vscale x 2 x i64> [[VECTOR_GEP]]
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp ne <vscale x 2 x ptr> [[TMP6]], zeroinitializer
-; CHECK-NEXT:    [[TMP8:%.*]] = extractelement <vscale x 2 x ptr> [[TMP6]], i64 0
-; CHECK-NEXT:    call void @llvm.masked.store.nxv2i16.p0(<vscale x 2 x i16> zeroinitializer, ptr [[TMP8]], i32 2, <vscale x 2 x i1> [[TMP7]])
-; CHECK-NEXT:    [[TMP9:%.*]] = call i64 @llvm.vscale.i64()
-; CHECK-NEXT:    [[TMP10:%.*]] = shl nuw nsw i64 [[TMP9]], 1
-; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP10]]
-; CHECK-NEXT:    [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 [[TMP4]]
-; CHECK-NEXT:    [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT:    br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
+; CHECK-NEXT:    [[TMP2:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP3:%.*]] = shl nuw nsw i64 [[TMP2]], 2
+; CHECK-NEXT:    [[TMP4:%.*]] = call <vscale x 2 x i64> @llvm.experimental.stepvector.nxv2i64()
+; CHECK-NEXT:    [[VECTOR_GEP:%.*]] = shl <vscale x 2 x i64> [[TMP4]], shufflevector (<vscale x 2 x i64> insertelement (<vscale x 2 x i64> poison, i64 1, i64 0), <vscale x 2 x i64> poison, <vscale x 2 x i32> zeroinitializer)
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <vscale x 2 x i64> [[VECTOR_GEP]]
+; CHECK-NEXT:    [[TMP6:%.*]] = icmp ne <vscale x 2 x ptr> [[TMP5]], zeroinitializer
+; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <vscale x 2 x ptr> [[TMP5]], i64 0
+; CHECK-NEXT:    call void @llvm.masked.store.nxv2i16.p0(<vscale x 2 x i16> zeroinitializer, ptr [[TMP7]], i32 2, <vscale x 2 x i1> [[TMP6]])
+; CHECK-NEXT:    [[TMP8:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT:    [[TMP9:%.*]] = shl nuw nsw i64 [[TMP8]], 1
+; CHECK-NEXT:    [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP9]]
+; CHECK-NEXT:    [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 [[TMP3]]
+; CHECK-NEXT:    [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT:    br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
 ; CHECK:       middle.block:
-; CHECK-NEXT:    [[CMP_N:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
-; CHECK-NEXT:    br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT:    [[CMP_N_NOT:%.*]] = icmp eq i64 [[N_VEC]], 0
+; CHECK-NEXT:    br i1 [[CMP_N_NOT]], label [[SCALAR_PH]], label [[FOR_END:%.*]]
 ; CHECK:       scalar.ph:
 ; CHECK-NEXT:    [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
 ; CHECK-NEXT:    [[BC_RESUME_VAL1:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[PTR]], [[ENTRY]] ]