; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine -mcpu=sandybridge < %s | FileCheck %s --check-prefix=AVX1
; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine -mcpu=haswell < %s | FileCheck %s --check-prefix=AVX2
; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine -mcpu=slm < %s | FileCheck %s --check-prefix=SSE
-; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine -mcpu=atom < %s | FileCheck %s --check-prefix=SSE
+; RUN: opt -S -mtriple=x86_64-pc_linux -loop-vectorize -instcombine -mcpu=atom < %s | FileCheck %s --check-prefix=ATOM
define void @foo(i32* noalias nocapture %a, i32* noalias nocapture readonly %b) {
; SSE-LABEL: @foo(
; SSE-NEXT: entry:
+; SSE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; SSE: vector.ph:
+; SSE-NEXT: br label [[VECTOR_BODY:%.*]]
+; SSE: vector.body:
+; SSE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; SSE-NEXT: [[TMP0:%.*]] = shl nsw i64 [[INDEX]], 1
+; SSE-NEXT: [[TMP1:%.*]] = shl i64 [[INDEX]], 1
+; SSE-NEXT: [[TMP2:%.*]] = or i64 [[TMP1]], 8
+; SSE-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[TMP0]]
+; SSE-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP2]]
+; SSE-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP3]] to <8 x i32>*
+; SSE-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP4]] to <8 x i32>*
+; SSE-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, <8 x i32>* [[TMP5]], align 4
+; SSE-NEXT: [[WIDE_VEC1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP6]], align 4
+; SSE-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+; SSE-NEXT: [[STRIDED_VEC2:%.*]] = shufflevector <8 x i32> [[WIDE_VEC1]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+; SSE-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+; SSE-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <8 x i32> [[WIDE_VEC1]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+; SSE-NEXT: [[TMP7:%.*]] = add nsw <4 x i32> [[STRIDED_VEC3]], [[STRIDED_VEC]]
+; SSE-NEXT: [[TMP8:%.*]] = add nsw <4 x i32> [[STRIDED_VEC4]], [[STRIDED_VEC2]]
+; SSE-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; SSE-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP9]] to <4 x i32>*
+; SSE-NEXT: store <4 x i32> [[TMP7]], <4 x i32>* [[TMP10]], align 4
+; SSE-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[TMP9]], i64 4
+; SSE-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <4 x i32>*
+; SSE-NEXT: store <4 x i32> [[TMP8]], <4 x i32>* [[TMP12]], align 4
+; SSE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
+; SSE-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
+; SSE-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; SSE: middle.block:
+; SSE-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
+; SSE: scalar.ph:
; SSE-NEXT: br label [[FOR_BODY:%.*]]
; SSE: for.cond.cleanup:
; SSE-NEXT: ret void
; SSE: for.body:
-; SSE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
-; SSE-NEXT: [[TMP0:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
-; SSE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[TMP0]]
-; SSE-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; SSE-NEXT: [[TMP2:%.*]] = or i64 [[TMP0]], 1
-; SSE-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP2]]
-; SSE-NEXT: [[TMP3:%.*]] = load i32, i32* [[ARRAYIDX3]], align 4
-; SSE-NEXT: [[ADD4:%.*]] = add nsw i32 [[TMP3]], [[TMP1]]
-; SSE-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
-; SSE-NEXT: store i32 [[ADD4]], i32* [[ARRAYIDX6]], align 4
-; SSE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
-; SSE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024
-; SSE-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
+; SSE-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
;
; AVX1-LABEL: @foo(
; AVX1-NEXT: entry:
; AVX1: vector.body:
; AVX1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; AVX1-NEXT: [[TMP0:%.*]] = shl nsw i64 [[INDEX]], 1
-; AVX1-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[TMP0]]
-; AVX1-NEXT: [[TMP2:%.*]] = bitcast i32* [[TMP1]] to <8 x i32>*
-; AVX1-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, <8 x i32>* [[TMP2]], align 4
+; AVX1-NEXT: [[TMP1:%.*]] = shl i64 [[INDEX]], 1
+; AVX1-NEXT: [[TMP2:%.*]] = or i64 [[TMP1]], 8
+; AVX1-NEXT: [[TMP3:%.*]] = shl i64 [[INDEX]], 1
+; AVX1-NEXT: [[TMP4:%.*]] = or i64 [[TMP3]], 16
+; AVX1-NEXT: [[TMP5:%.*]] = shl i64 [[INDEX]], 1
+; AVX1-NEXT: [[TMP6:%.*]] = or i64 [[TMP5]], 24
+; AVX1-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[TMP0]]
+; AVX1-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP2]]
+; AVX1-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP4]]
+; AVX1-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP6]]
+; AVX1-NEXT: [[TMP11:%.*]] = bitcast i32* [[TMP7]] to <8 x i32>*
+; AVX1-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP8]] to <8 x i32>*
+; AVX1-NEXT: [[TMP13:%.*]] = bitcast i32* [[TMP9]] to <8 x i32>*
+; AVX1-NEXT: [[TMP14:%.*]] = bitcast i32* [[TMP10]] to <8 x i32>*
+; AVX1-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, <8 x i32>* [[TMP11]], align 4
+; AVX1-NEXT: [[WIDE_VEC1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP12]], align 4
+; AVX1-NEXT: [[WIDE_VEC2:%.*]] = load <8 x i32>, <8 x i32>* [[TMP13]], align 4
+; AVX1-NEXT: [[WIDE_VEC3:%.*]] = load <8 x i32>, <8 x i32>* [[TMP14]], align 4
; AVX1-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-; AVX1-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-; AVX1-NEXT: [[TMP3:%.*]] = add nsw <4 x i32> [[STRIDED_VEC1]], [[STRIDED_VEC]]
-; AVX1-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; AVX1-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <4 x i32>*
-; AVX1-NEXT: store <4 x i32> [[TMP3]], <4 x i32>* [[TMP5]], align 4
-; AVX1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
-; AVX1-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
-; AVX1-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; AVX1-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <8 x i32> [[WIDE_VEC1]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+; AVX1-NEXT: [[STRIDED_VEC5:%.*]] = shufflevector <8 x i32> [[WIDE_VEC2]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+; AVX1-NEXT: [[STRIDED_VEC6:%.*]] = shufflevector <8 x i32> [[WIDE_VEC3]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+; AVX1-NEXT: [[STRIDED_VEC7:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+; AVX1-NEXT: [[STRIDED_VEC8:%.*]] = shufflevector <8 x i32> [[WIDE_VEC1]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+; AVX1-NEXT: [[STRIDED_VEC9:%.*]] = shufflevector <8 x i32> [[WIDE_VEC2]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+; AVX1-NEXT: [[STRIDED_VEC10:%.*]] = shufflevector <8 x i32> [[WIDE_VEC3]], <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+; AVX1-NEXT: [[TMP15:%.*]] = add nsw <4 x i32> [[STRIDED_VEC7]], [[STRIDED_VEC]]
+; AVX1-NEXT: [[TMP16:%.*]] = add nsw <4 x i32> [[STRIDED_VEC8]], [[STRIDED_VEC4]]
+; AVX1-NEXT: [[TMP17:%.*]] = add nsw <4 x i32> [[STRIDED_VEC9]], [[STRIDED_VEC5]]
+; AVX1-NEXT: [[TMP18:%.*]] = add nsw <4 x i32> [[STRIDED_VEC10]], [[STRIDED_VEC6]]
+; AVX1-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; AVX1-NEXT: [[TMP20:%.*]] = bitcast i32* [[TMP19]] to <4 x i32>*
+; AVX1-NEXT: store <4 x i32> [[TMP15]], <4 x i32>* [[TMP20]], align 4
+; AVX1-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[TMP19]], i64 4
+; AVX1-NEXT: [[TMP22:%.*]] = bitcast i32* [[TMP21]] to <4 x i32>*
+; AVX1-NEXT: store <4 x i32> [[TMP16]], <4 x i32>* [[TMP22]], align 4
+; AVX1-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[TMP19]], i64 8
+; AVX1-NEXT: [[TMP24:%.*]] = bitcast i32* [[TMP23]] to <4 x i32>*
+; AVX1-NEXT: store <4 x i32> [[TMP17]], <4 x i32>* [[TMP24]], align 4
+; AVX1-NEXT: [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[TMP19]], i64 12
+; AVX1-NEXT: [[TMP26:%.*]] = bitcast i32* [[TMP25]] to <4 x i32>*
+; AVX1-NEXT: store <4 x i32> [[TMP18]], <4 x i32>* [[TMP26]], align 4
+; AVX1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 16
+; AVX1-NEXT: [[TMP27:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1024
+; AVX1-NEXT: br i1 [[TMP27]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; AVX1: middle.block:
; AVX1-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
; AVX1: scalar.ph:
; AVX2: for.body:
; AVX2-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
;
+; ATOM-LABEL: @foo(
+; ATOM-NEXT: entry:
+; ATOM-NEXT: br label [[FOR_BODY:%.*]]
+; ATOM: for.cond.cleanup:
+; ATOM-NEXT: ret void
+; ATOM: for.body:
+; ATOM-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
+; ATOM-NEXT: [[TMP0:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
+; ATOM-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[TMP0]]
+; ATOM-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
+; ATOM-NEXT: [[TMP2:%.*]] = or i64 [[TMP0]], 1
+; ATOM-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP2]]
+; ATOM-NEXT: [[TMP3:%.*]] = load i32, i32* [[ARRAYIDX3]], align 4
+; ATOM-NEXT: [[ADD4:%.*]] = add nsw i32 [[TMP3]], [[TMP1]]
+; ATOM-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
+; ATOM-NEXT: store i32 [[ADD4]], i32* [[ARRAYIDX6]], align 4
+; ATOM-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
+; ATOM-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 1024
+; ATOM-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY]]
+;
entry:
br label %for.body
; SSE2-NEXT: br i1 [[CMP30]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; SSE2: for.body.preheader:
; SSE2-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64
+; SSE2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 2
+; SSE2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; SSE2: vector.ph:
+; SSE2-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 2
+; SSE2-NEXT: [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]
+; SSE2-NEXT: br label [[VECTOR_BODY:%.*]]
+; SSE2: vector.body:
+; SSE2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; SSE2-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
+; SSE2-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 1
+; SSE2-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, i16* [[S1:%.*]], i64 [[TMP1]]
+; SSE2-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[TMP2]], i32 0
+; SSE2-NEXT: [[TMP4:%.*]] = bitcast i16* [[TMP3]] to <4 x i16>*
+; SSE2-NEXT: [[WIDE_VEC:%.*]] = load <4 x i16>, <4 x i16>* [[TMP4]], align 2
+; SSE2-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <4 x i16> [[WIDE_VEC]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; SSE2-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <4 x i16> [[WIDE_VEC]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; SSE2-NEXT: [[TMP5:%.*]] = sext <2 x i16> [[STRIDED_VEC]] to <2 x i32>
+; SSE2-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[S2:%.*]], i64 [[TMP1]]
+; SSE2-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, i16* [[TMP6]], i32 0
+; SSE2-NEXT: [[TMP8:%.*]] = bitcast i16* [[TMP7]] to <4 x i16>*
+; SSE2-NEXT: [[WIDE_VEC2:%.*]] = load <4 x i16>, <4 x i16>* [[TMP8]], align 2
+; SSE2-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <4 x i16> [[WIDE_VEC2]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; SSE2-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <4 x i16> [[WIDE_VEC2]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; SSE2-NEXT: [[TMP9:%.*]] = sext <2 x i16> [[STRIDED_VEC3]] to <2 x i32>
+; SSE2-NEXT: [[TMP10:%.*]] = mul nsw <2 x i32> [[TMP9]], [[TMP5]]
+; SSE2-NEXT: [[TMP11:%.*]] = or i64 [[TMP1]], 1
+; SSE2-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP11]]
+; SSE2-NEXT: [[TMP13:%.*]] = sext <2 x i16> [[STRIDED_VEC1]] to <2 x i32>
+; SSE2-NEXT: [[TMP14:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP11]]
+; SSE2-NEXT: [[TMP15:%.*]] = sext <2 x i16> [[STRIDED_VEC4]] to <2 x i32>
+; SSE2-NEXT: [[TMP16:%.*]] = mul nsw <2 x i32> [[TMP15]], [[TMP13]]
+; SSE2-NEXT: [[TMP17:%.*]] = add nsw <2 x i32> [[TMP16]], [[TMP10]]
+; SSE2-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[D1:%.*]], i64 [[TMP0]]
+; SSE2-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[TMP18]], i32 0
+; SSE2-NEXT: [[TMP20:%.*]] = bitcast i32* [[TMP19]] to <2 x i32>*
+; SSE2-NEXT: store <2 x i32> [[TMP17]], <2 x i32>* [[TMP20]], align 4
+; SSE2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
+; SSE2-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; SSE2-NEXT: br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; SSE2: middle.block:
+; SSE2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]
+; SSE2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; SSE2: scalar.ph:
+; SSE2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; SSE2-NEXT: br label [[FOR_BODY:%.*]]
; SSE2: for.body:
-; SSE2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
-; SSE2-NEXT: [[TMP0:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
-; SSE2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[S1:%.*]], i64 [[TMP0]]
-; SSE2-NEXT: [[TMP1:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
-; SSE2-NEXT: [[CONV:%.*]] = sext i16 [[TMP1]] to i32
-; SSE2-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i16, i16* [[S2:%.*]], i64 [[TMP0]]
-; SSE2-NEXT: [[TMP2:%.*]] = load i16, i16* [[ARRAYIDX4]], align 2
-; SSE2-NEXT: [[CONV5:%.*]] = sext i16 [[TMP2]] to i32
+; SSE2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
+; SSE2-NEXT: [[TMP22:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
+; SSE2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP22]]
+; SSE2-NEXT: [[TMP23:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; SSE2-NEXT: [[CONV:%.*]] = sext i16 [[TMP23]] to i32
+; SSE2-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP22]]
+; SSE2-NEXT: [[TMP24:%.*]] = load i16, i16* [[ARRAYIDX4]], align 2
+; SSE2-NEXT: [[CONV5:%.*]] = sext i16 [[TMP24]] to i32
; SSE2-NEXT: [[MUL6:%.*]] = mul nsw i32 [[CONV5]], [[CONV]]
-; SSE2-NEXT: [[TMP3:%.*]] = or i64 [[TMP0]], 1
-; SSE2-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP3]]
-; SSE2-NEXT: [[TMP4:%.*]] = load i16, i16* [[ARRAYIDX10]], align 2
-; SSE2-NEXT: [[CONV11:%.*]] = sext i16 [[TMP4]] to i32
-; SSE2-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP3]]
-; SSE2-NEXT: [[TMP5:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
-; SSE2-NEXT: [[CONV16:%.*]] = sext i16 [[TMP5]] to i32
+; SSE2-NEXT: [[TMP25:%.*]] = or i64 [[TMP22]], 1
+; SSE2-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP25]]
+; SSE2-NEXT: [[TMP26:%.*]] = load i16, i16* [[ARRAYIDX10]], align 2
+; SSE2-NEXT: [[CONV11:%.*]] = sext i16 [[TMP26]] to i32
+; SSE2-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP25]]
+; SSE2-NEXT: [[TMP27:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
+; SSE2-NEXT: [[CONV16:%.*]] = sext i16 [[TMP27]] to i32
; SSE2-NEXT: [[MUL17:%.*]] = mul nsw i32 [[CONV16]], [[CONV11]]
; SSE2-NEXT: [[ADD18:%.*]] = add nsw i32 [[MUL17]], [[MUL6]]
-; SSE2-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i32, i32* [[D1:%.*]], i64 [[INDVARS_IV]]
+; SSE2-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i32, i32* [[D1]], i64 [[INDVARS_IV]]
; SSE2-NEXT: store i32 [[ADD18]], i32* [[ARRAYIDX20]], align 4
; SSE2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
; SSE2-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
-; SSE2-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; SSE2-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
; SSE2: for.end.loopexit:
; SSE2-NEXT: br label [[FOR_END]]
; SSE2: for.end:
; SSE41: vector.body:
; SSE41-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; SSE41-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
-; SSE41-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 1
-; SSE41-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, i16* [[S1:%.*]], i64 [[TMP1]]
-; SSE41-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[TMP2]], i32 0
-; SSE41-NEXT: [[TMP4:%.*]] = bitcast i16* [[TMP3]] to <8 x i16>*
-; SSE41-NEXT: [[WIDE_VEC:%.*]] = load <8 x i16>, <8 x i16>* [[TMP4]], align 2
-; SSE41-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i16> [[WIDE_VEC]], <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-; SSE41-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <8 x i16> [[WIDE_VEC]], <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-; SSE41-NEXT: [[TMP5:%.*]] = sext <4 x i16> [[STRIDED_VEC]] to <4 x i32>
-; SSE41-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[S2:%.*]], i64 [[TMP1]]
-; SSE41-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, i16* [[TMP6]], i32 0
-; SSE41-NEXT: [[TMP8:%.*]] = bitcast i16* [[TMP7]] to <8 x i16>*
-; SSE41-NEXT: [[WIDE_VEC2:%.*]] = load <8 x i16>, <8 x i16>* [[TMP8]], align 2
-; SSE41-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <8 x i16> [[WIDE_VEC2]], <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-; SSE41-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <8 x i16> [[WIDE_VEC2]], <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-; SSE41-NEXT: [[TMP9:%.*]] = sext <4 x i16> [[STRIDED_VEC3]] to <4 x i32>
-; SSE41-NEXT: [[TMP10:%.*]] = mul nsw <4 x i32> [[TMP9]], [[TMP5]]
-; SSE41-NEXT: [[TMP11:%.*]] = or i64 [[TMP1]], 1
-; SSE41-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP11]]
-; SSE41-NEXT: [[TMP13:%.*]] = sext <4 x i16> [[STRIDED_VEC1]] to <4 x i32>
-; SSE41-NEXT: [[TMP14:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP11]]
-; SSE41-NEXT: [[TMP15:%.*]] = sext <4 x i16> [[STRIDED_VEC4]] to <4 x i32>
-; SSE41-NEXT: [[TMP16:%.*]] = mul nsw <4 x i32> [[TMP15]], [[TMP13]]
-; SSE41-NEXT: [[TMP17:%.*]] = add nsw <4 x i32> [[TMP16]], [[TMP10]]
-; SSE41-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[D1:%.*]], i64 [[TMP0]]
-; SSE41-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[TMP18]], i32 0
-; SSE41-NEXT: [[TMP20:%.*]] = bitcast i32* [[TMP19]] to <4 x i32>*
-; SSE41-NEXT: store <4 x i32> [[TMP17]], <4 x i32>* [[TMP20]], align 4
+; SSE41-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
+; SSE41-NEXT: [[TMP2:%.*]] = shl nuw nsw i64 [[TMP0]], 1
+; SSE41-NEXT: [[TMP3:%.*]] = shl nuw nsw i64 [[TMP1]], 1
+; SSE41-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[S1:%.*]], i64 [[TMP2]]
+; SSE41-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP3]]
+; SSE41-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[TMP4]], i32 0
+; SSE41-NEXT: [[TMP7:%.*]] = bitcast i16* [[TMP6]] to <4 x i16>*
+; SSE41-NEXT: [[TMP8:%.*]] = getelementptr inbounds i16, i16* [[TMP5]], i32 0
+; SSE41-NEXT: [[TMP9:%.*]] = bitcast i16* [[TMP8]] to <4 x i16>*
+; SSE41-NEXT: [[WIDE_VEC:%.*]] = load <4 x i16>, <4 x i16>* [[TMP7]], align 2
+; SSE41-NEXT: [[WIDE_VEC1:%.*]] = load <4 x i16>, <4 x i16>* [[TMP9]], align 2
+; SSE41-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <4 x i16> [[WIDE_VEC]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; SSE41-NEXT: [[STRIDED_VEC2:%.*]] = shufflevector <4 x i16> [[WIDE_VEC1]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; SSE41-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <4 x i16> [[WIDE_VEC]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; SSE41-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <4 x i16> [[WIDE_VEC1]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; SSE41-NEXT: [[TMP10:%.*]] = sext <2 x i16> [[STRIDED_VEC]] to <2 x i32>
+; SSE41-NEXT: [[TMP11:%.*]] = sext <2 x i16> [[STRIDED_VEC2]] to <2 x i32>
+; SSE41-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, i16* [[S2:%.*]], i64 [[TMP2]]
+; SSE41-NEXT: [[TMP13:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP3]]
+; SSE41-NEXT: [[TMP14:%.*]] = getelementptr inbounds i16, i16* [[TMP12]], i32 0
+; SSE41-NEXT: [[TMP15:%.*]] = bitcast i16* [[TMP14]] to <4 x i16>*
+; SSE41-NEXT: [[TMP16:%.*]] = getelementptr inbounds i16, i16* [[TMP13]], i32 0
+; SSE41-NEXT: [[TMP17:%.*]] = bitcast i16* [[TMP16]] to <4 x i16>*
+; SSE41-NEXT: [[WIDE_VEC5:%.*]] = load <4 x i16>, <4 x i16>* [[TMP15]], align 2
+; SSE41-NEXT: [[WIDE_VEC6:%.*]] = load <4 x i16>, <4 x i16>* [[TMP17]], align 2
+; SSE41-NEXT: [[STRIDED_VEC7:%.*]] = shufflevector <4 x i16> [[WIDE_VEC5]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; SSE41-NEXT: [[STRIDED_VEC8:%.*]] = shufflevector <4 x i16> [[WIDE_VEC6]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; SSE41-NEXT: [[STRIDED_VEC9:%.*]] = shufflevector <4 x i16> [[WIDE_VEC5]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; SSE41-NEXT: [[STRIDED_VEC10:%.*]] = shufflevector <4 x i16> [[WIDE_VEC6]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; SSE41-NEXT: [[TMP18:%.*]] = sext <2 x i16> [[STRIDED_VEC7]] to <2 x i32>
+; SSE41-NEXT: [[TMP19:%.*]] = sext <2 x i16> [[STRIDED_VEC8]] to <2 x i32>
+; SSE41-NEXT: [[TMP20:%.*]] = mul nsw <2 x i32> [[TMP18]], [[TMP10]]
+; SSE41-NEXT: [[TMP21:%.*]] = mul nsw <2 x i32> [[TMP19]], [[TMP11]]
+; SSE41-NEXT: [[TMP22:%.*]] = or i64 [[TMP2]], 1
+; SSE41-NEXT: [[TMP23:%.*]] = or i64 [[TMP3]], 1
+; SSE41-NEXT: [[TMP24:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP22]]
+; SSE41-NEXT: [[TMP25:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP23]]
+; SSE41-NEXT: [[TMP26:%.*]] = sext <2 x i16> [[STRIDED_VEC3]] to <2 x i32>
+; SSE41-NEXT: [[TMP27:%.*]] = sext <2 x i16> [[STRIDED_VEC4]] to <2 x i32>
+; SSE41-NEXT: [[TMP28:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP22]]
+; SSE41-NEXT: [[TMP29:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP23]]
+; SSE41-NEXT: [[TMP30:%.*]] = sext <2 x i16> [[STRIDED_VEC9]] to <2 x i32>
+; SSE41-NEXT: [[TMP31:%.*]] = sext <2 x i16> [[STRIDED_VEC10]] to <2 x i32>
+; SSE41-NEXT: [[TMP32:%.*]] = mul nsw <2 x i32> [[TMP30]], [[TMP26]]
+; SSE41-NEXT: [[TMP33:%.*]] = mul nsw <2 x i32> [[TMP31]], [[TMP27]]
+; SSE41-NEXT: [[TMP34:%.*]] = add nsw <2 x i32> [[TMP32]], [[TMP20]]
+; SSE41-NEXT: [[TMP35:%.*]] = add nsw <2 x i32> [[TMP33]], [[TMP21]]
+; SSE41-NEXT: [[TMP36:%.*]] = getelementptr inbounds i32, i32* [[D1:%.*]], i64 [[TMP0]]
+; SSE41-NEXT: [[TMP37:%.*]] = getelementptr inbounds i32, i32* [[D1]], i64 [[TMP1]]
+; SSE41-NEXT: [[TMP38:%.*]] = getelementptr inbounds i32, i32* [[TMP36]], i32 0
+; SSE41-NEXT: [[TMP39:%.*]] = bitcast i32* [[TMP38]] to <2 x i32>*
+; SSE41-NEXT: store <2 x i32> [[TMP34]], <2 x i32>* [[TMP39]], align 4
+; SSE41-NEXT: [[TMP40:%.*]] = getelementptr inbounds i32, i32* [[TMP36]], i32 2
+; SSE41-NEXT: [[TMP41:%.*]] = bitcast i32* [[TMP40]] to <2 x i32>*
+; SSE41-NEXT: store <2 x i32> [[TMP35]], <2 x i32>* [[TMP41]], align 4
; SSE41-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
-; SSE41-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; SSE41-NEXT: br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; SSE41-NEXT: [[TMP42:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; SSE41-NEXT: br i1 [[TMP42]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; SSE41: middle.block:
; SSE41-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]
; SSE41-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; SSE41-NEXT: br label [[FOR_BODY:%.*]]
; SSE41: for.body:
; SSE41-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
-; SSE41-NEXT: [[TMP22:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
-; SSE41-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP22]]
-; SSE41-NEXT: [[TMP23:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
-; SSE41-NEXT: [[CONV:%.*]] = sext i16 [[TMP23]] to i32
-; SSE41-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP22]]
-; SSE41-NEXT: [[TMP24:%.*]] = load i16, i16* [[ARRAYIDX4]], align 2
-; SSE41-NEXT: [[CONV5:%.*]] = sext i16 [[TMP24]] to i32
+; SSE41-NEXT: [[TMP43:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
+; SSE41-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP43]]
+; SSE41-NEXT: [[TMP44:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; SSE41-NEXT: [[CONV:%.*]] = sext i16 [[TMP44]] to i32
+; SSE41-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP43]]
+; SSE41-NEXT: [[TMP45:%.*]] = load i16, i16* [[ARRAYIDX4]], align 2
+; SSE41-NEXT: [[CONV5:%.*]] = sext i16 [[TMP45]] to i32
; SSE41-NEXT: [[MUL6:%.*]] = mul nsw i32 [[CONV5]], [[CONV]]
-; SSE41-NEXT: [[TMP25:%.*]] = or i64 [[TMP22]], 1
-; SSE41-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP25]]
-; SSE41-NEXT: [[TMP26:%.*]] = load i16, i16* [[ARRAYIDX10]], align 2
-; SSE41-NEXT: [[CONV11:%.*]] = sext i16 [[TMP26]] to i32
-; SSE41-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP25]]
-; SSE41-NEXT: [[TMP27:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
-; SSE41-NEXT: [[CONV16:%.*]] = sext i16 [[TMP27]] to i32
+; SSE41-NEXT: [[TMP46:%.*]] = or i64 [[TMP43]], 1
+; SSE41-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP46]]
+; SSE41-NEXT: [[TMP47:%.*]] = load i16, i16* [[ARRAYIDX10]], align 2
+; SSE41-NEXT: [[CONV11:%.*]] = sext i16 [[TMP47]] to i32
+; SSE41-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP46]]
+; SSE41-NEXT: [[TMP48:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
+; SSE41-NEXT: [[CONV16:%.*]] = sext i16 [[TMP48]] to i32
; SSE41-NEXT: [[MUL17:%.*]] = mul nsw i32 [[CONV16]], [[CONV11]]
; SSE41-NEXT: [[ADD18:%.*]] = add nsw i32 [[MUL17]], [[MUL6]]
; SSE41-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i32, i32* [[D1]], i64 [[INDVARS_IV]]
; AVX1-NEXT: br i1 [[CMP30]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
; AVX1: for.body.preheader:
; AVX1-NEXT: [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[N]] to i64
-; AVX1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 4
+; AVX1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[WIDE_TRIP_COUNT]], 8
; AVX1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; AVX1: vector.ph:
-; AVX1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 4
+; AVX1-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[WIDE_TRIP_COUNT]], 8
; AVX1-NEXT: [[N_VEC:%.*]] = sub i64 [[WIDE_TRIP_COUNT]], [[N_MOD_VF]]
; AVX1-NEXT: br label [[VECTOR_BODY:%.*]]
; AVX1: vector.body:
; AVX1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
; AVX1-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
-; AVX1-NEXT: [[TMP1:%.*]] = shl nuw nsw i64 [[TMP0]], 1
-; AVX1-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, i16* [[S1:%.*]], i64 [[TMP1]]
-; AVX1-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[TMP2]], i32 0
-; AVX1-NEXT: [[TMP4:%.*]] = bitcast i16* [[TMP3]] to <8 x i16>*
-; AVX1-NEXT: [[WIDE_VEC:%.*]] = load <8 x i16>, <8 x i16>* [[TMP4]], align 2
-; AVX1-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i16> [[WIDE_VEC]], <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-; AVX1-NEXT: [[STRIDED_VEC1:%.*]] = shufflevector <8 x i16> [[WIDE_VEC]], <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-; AVX1-NEXT: [[TMP5:%.*]] = sext <4 x i16> [[STRIDED_VEC]] to <4 x i32>
-; AVX1-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[S2:%.*]], i64 [[TMP1]]
-; AVX1-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, i16* [[TMP6]], i32 0
-; AVX1-NEXT: [[TMP8:%.*]] = bitcast i16* [[TMP7]] to <8 x i16>*
-; AVX1-NEXT: [[WIDE_VEC2:%.*]] = load <8 x i16>, <8 x i16>* [[TMP8]], align 2
-; AVX1-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <8 x i16> [[WIDE_VEC2]], <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-; AVX1-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <8 x i16> [[WIDE_VEC2]], <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-; AVX1-NEXT: [[TMP9:%.*]] = sext <4 x i16> [[STRIDED_VEC3]] to <4 x i32>
-; AVX1-NEXT: [[TMP10:%.*]] = mul nsw <4 x i32> [[TMP9]], [[TMP5]]
-; AVX1-NEXT: [[TMP11:%.*]] = or i64 [[TMP1]], 1
-; AVX1-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP11]]
-; AVX1-NEXT: [[TMP13:%.*]] = sext <4 x i16> [[STRIDED_VEC1]] to <4 x i32>
-; AVX1-NEXT: [[TMP14:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP11]]
-; AVX1-NEXT: [[TMP15:%.*]] = sext <4 x i16> [[STRIDED_VEC4]] to <4 x i32>
-; AVX1-NEXT: [[TMP16:%.*]] = mul nsw <4 x i32> [[TMP15]], [[TMP13]]
-; AVX1-NEXT: [[TMP17:%.*]] = add nsw <4 x i32> [[TMP16]], [[TMP10]]
-; AVX1-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[D1:%.*]], i64 [[TMP0]]
-; AVX1-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[TMP18]], i32 0
-; AVX1-NEXT: [[TMP20:%.*]] = bitcast i32* [[TMP19]] to <4 x i32>*
-; AVX1-NEXT: store <4 x i32> [[TMP17]], <4 x i32>* [[TMP20]], align 4
-; AVX1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
-; AVX1-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; AVX1-NEXT: br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
+; AVX1-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
+; AVX1-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 4
+; AVX1-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 6
+; AVX1-NEXT: [[TMP4:%.*]] = shl nuw nsw i64 [[TMP0]], 1
+; AVX1-NEXT: [[TMP5:%.*]] = shl nuw nsw i64 [[TMP1]], 1
+; AVX1-NEXT: [[TMP6:%.*]] = shl nuw nsw i64 [[TMP2]], 1
+; AVX1-NEXT: [[TMP7:%.*]] = shl nuw nsw i64 [[TMP3]], 1
+; AVX1-NEXT: [[TMP8:%.*]] = getelementptr inbounds i16, i16* [[S1:%.*]], i64 [[TMP4]]
+; AVX1-NEXT: [[TMP9:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP5]]
+; AVX1-NEXT: [[TMP10:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP6]]
+; AVX1-NEXT: [[TMP11:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP7]]
+; AVX1-NEXT: [[TMP12:%.*]] = getelementptr inbounds i16, i16* [[TMP8]], i32 0
+; AVX1-NEXT: [[TMP13:%.*]] = bitcast i16* [[TMP12]] to <4 x i16>*
+; AVX1-NEXT: [[TMP14:%.*]] = getelementptr inbounds i16, i16* [[TMP9]], i32 0
+; AVX1-NEXT: [[TMP15:%.*]] = bitcast i16* [[TMP14]] to <4 x i16>*
+; AVX1-NEXT: [[TMP16:%.*]] = getelementptr inbounds i16, i16* [[TMP10]], i32 0
+; AVX1-NEXT: [[TMP17:%.*]] = bitcast i16* [[TMP16]] to <4 x i16>*
+; AVX1-NEXT: [[TMP18:%.*]] = getelementptr inbounds i16, i16* [[TMP11]], i32 0
+; AVX1-NEXT: [[TMP19:%.*]] = bitcast i16* [[TMP18]] to <4 x i16>*
+; AVX1-NEXT: [[WIDE_VEC:%.*]] = load <4 x i16>, <4 x i16>* [[TMP13]], align 2
+; AVX1-NEXT: [[WIDE_VEC1:%.*]] = load <4 x i16>, <4 x i16>* [[TMP15]], align 2
+; AVX1-NEXT: [[WIDE_VEC2:%.*]] = load <4 x i16>, <4 x i16>* [[TMP17]], align 2
+; AVX1-NEXT: [[WIDE_VEC3:%.*]] = load <4 x i16>, <4 x i16>* [[TMP19]], align 2
+; AVX1-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <4 x i16> [[WIDE_VEC]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC4:%.*]] = shufflevector <4 x i16> [[WIDE_VEC1]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC5:%.*]] = shufflevector <4 x i16> [[WIDE_VEC2]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC6:%.*]] = shufflevector <4 x i16> [[WIDE_VEC3]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC7:%.*]] = shufflevector <4 x i16> [[WIDE_VEC]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[STRIDED_VEC8:%.*]] = shufflevector <4 x i16> [[WIDE_VEC1]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[STRIDED_VEC9:%.*]] = shufflevector <4 x i16> [[WIDE_VEC2]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[STRIDED_VEC10:%.*]] = shufflevector <4 x i16> [[WIDE_VEC3]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[TMP20:%.*]] = sext <2 x i16> [[STRIDED_VEC]] to <2 x i32>
+; AVX1-NEXT: [[TMP21:%.*]] = sext <2 x i16> [[STRIDED_VEC4]] to <2 x i32>
+; AVX1-NEXT: [[TMP22:%.*]] = sext <2 x i16> [[STRIDED_VEC5]] to <2 x i32>
+; AVX1-NEXT: [[TMP23:%.*]] = sext <2 x i16> [[STRIDED_VEC6]] to <2 x i32>
+; AVX1-NEXT: [[TMP24:%.*]] = getelementptr inbounds i16, i16* [[S2:%.*]], i64 [[TMP4]]
+; AVX1-NEXT: [[TMP25:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP5]]
+; AVX1-NEXT: [[TMP26:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP6]]
+; AVX1-NEXT: [[TMP27:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP7]]
+; AVX1-NEXT: [[TMP28:%.*]] = getelementptr inbounds i16, i16* [[TMP24]], i32 0
+; AVX1-NEXT: [[TMP29:%.*]] = bitcast i16* [[TMP28]] to <4 x i16>*
+; AVX1-NEXT: [[TMP30:%.*]] = getelementptr inbounds i16, i16* [[TMP25]], i32 0
+; AVX1-NEXT: [[TMP31:%.*]] = bitcast i16* [[TMP30]] to <4 x i16>*
+; AVX1-NEXT: [[TMP32:%.*]] = getelementptr inbounds i16, i16* [[TMP26]], i32 0
+; AVX1-NEXT: [[TMP33:%.*]] = bitcast i16* [[TMP32]] to <4 x i16>*
+; AVX1-NEXT: [[TMP34:%.*]] = getelementptr inbounds i16, i16* [[TMP27]], i32 0
+; AVX1-NEXT: [[TMP35:%.*]] = bitcast i16* [[TMP34]] to <4 x i16>*
+; AVX1-NEXT: [[WIDE_VEC11:%.*]] = load <4 x i16>, <4 x i16>* [[TMP29]], align 2
+; AVX1-NEXT: [[WIDE_VEC12:%.*]] = load <4 x i16>, <4 x i16>* [[TMP31]], align 2
+; AVX1-NEXT: [[WIDE_VEC13:%.*]] = load <4 x i16>, <4 x i16>* [[TMP33]], align 2
+; AVX1-NEXT: [[WIDE_VEC14:%.*]] = load <4 x i16>, <4 x i16>* [[TMP35]], align 2
+; AVX1-NEXT: [[STRIDED_VEC15:%.*]] = shufflevector <4 x i16> [[WIDE_VEC11]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC16:%.*]] = shufflevector <4 x i16> [[WIDE_VEC12]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC17:%.*]] = shufflevector <4 x i16> [[WIDE_VEC13]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC18:%.*]] = shufflevector <4 x i16> [[WIDE_VEC14]], <4 x i16> poison, <2 x i32> <i32 0, i32 2>
+; AVX1-NEXT: [[STRIDED_VEC19:%.*]] = shufflevector <4 x i16> [[WIDE_VEC11]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[STRIDED_VEC20:%.*]] = shufflevector <4 x i16> [[WIDE_VEC12]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[STRIDED_VEC21:%.*]] = shufflevector <4 x i16> [[WIDE_VEC13]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[STRIDED_VEC22:%.*]] = shufflevector <4 x i16> [[WIDE_VEC14]], <4 x i16> poison, <2 x i32> <i32 1, i32 3>
+; AVX1-NEXT: [[TMP36:%.*]] = sext <2 x i16> [[STRIDED_VEC15]] to <2 x i32>
+; AVX1-NEXT: [[TMP37:%.*]] = sext <2 x i16> [[STRIDED_VEC16]] to <2 x i32>
+; AVX1-NEXT: [[TMP38:%.*]] = sext <2 x i16> [[STRIDED_VEC17]] to <2 x i32>
+; AVX1-NEXT: [[TMP39:%.*]] = sext <2 x i16> [[STRIDED_VEC18]] to <2 x i32>
+; AVX1-NEXT: [[TMP40:%.*]] = mul nsw <2 x i32> [[TMP36]], [[TMP20]]
+; AVX1-NEXT: [[TMP41:%.*]] = mul nsw <2 x i32> [[TMP37]], [[TMP21]]
+; AVX1-NEXT: [[TMP42:%.*]] = mul nsw <2 x i32> [[TMP38]], [[TMP22]]
+; AVX1-NEXT: [[TMP43:%.*]] = mul nsw <2 x i32> [[TMP39]], [[TMP23]]
+; AVX1-NEXT: [[TMP44:%.*]] = or i64 [[TMP4]], 1
+; AVX1-NEXT: [[TMP45:%.*]] = or i64 [[TMP5]], 1
+; AVX1-NEXT: [[TMP46:%.*]] = or i64 [[TMP6]], 1
+; AVX1-NEXT: [[TMP47:%.*]] = or i64 [[TMP7]], 1
+; AVX1-NEXT: [[TMP48:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP44]]
+; AVX1-NEXT: [[TMP49:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP45]]
+; AVX1-NEXT: [[TMP50:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP46]]
+; AVX1-NEXT: [[TMP51:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP47]]
+; AVX1-NEXT: [[TMP52:%.*]] = sext <2 x i16> [[STRIDED_VEC7]] to <2 x i32>
+; AVX1-NEXT: [[TMP53:%.*]] = sext <2 x i16> [[STRIDED_VEC8]] to <2 x i32>
+; AVX1-NEXT: [[TMP54:%.*]] = sext <2 x i16> [[STRIDED_VEC9]] to <2 x i32>
+; AVX1-NEXT: [[TMP55:%.*]] = sext <2 x i16> [[STRIDED_VEC10]] to <2 x i32>
+; AVX1-NEXT: [[TMP56:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP44]]
+; AVX1-NEXT: [[TMP57:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP45]]
+; AVX1-NEXT: [[TMP58:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP46]]
+; AVX1-NEXT: [[TMP59:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP47]]
+; AVX1-NEXT: [[TMP60:%.*]] = sext <2 x i16> [[STRIDED_VEC19]] to <2 x i32>
+; AVX1-NEXT: [[TMP61:%.*]] = sext <2 x i16> [[STRIDED_VEC20]] to <2 x i32>
+; AVX1-NEXT: [[TMP62:%.*]] = sext <2 x i16> [[STRIDED_VEC21]] to <2 x i32>
+; AVX1-NEXT: [[TMP63:%.*]] = sext <2 x i16> [[STRIDED_VEC22]] to <2 x i32>
+; AVX1-NEXT: [[TMP64:%.*]] = mul nsw <2 x i32> [[TMP60]], [[TMP52]]
+; AVX1-NEXT: [[TMP65:%.*]] = mul nsw <2 x i32> [[TMP61]], [[TMP53]]
+; AVX1-NEXT: [[TMP66:%.*]] = mul nsw <2 x i32> [[TMP62]], [[TMP54]]
+; AVX1-NEXT: [[TMP67:%.*]] = mul nsw <2 x i32> [[TMP63]], [[TMP55]]
+; AVX1-NEXT: [[TMP68:%.*]] = add nsw <2 x i32> [[TMP64]], [[TMP40]]
+; AVX1-NEXT: [[TMP69:%.*]] = add nsw <2 x i32> [[TMP65]], [[TMP41]]
+; AVX1-NEXT: [[TMP70:%.*]] = add nsw <2 x i32> [[TMP66]], [[TMP42]]
+; AVX1-NEXT: [[TMP71:%.*]] = add nsw <2 x i32> [[TMP67]], [[TMP43]]
+; AVX1-NEXT: [[TMP72:%.*]] = getelementptr inbounds i32, i32* [[D1:%.*]], i64 [[TMP0]]
+; AVX1-NEXT: [[TMP73:%.*]] = getelementptr inbounds i32, i32* [[D1]], i64 [[TMP1]]
+; AVX1-NEXT: [[TMP74:%.*]] = getelementptr inbounds i32, i32* [[D1]], i64 [[TMP2]]
+; AVX1-NEXT: [[TMP75:%.*]] = getelementptr inbounds i32, i32* [[D1]], i64 [[TMP3]]
+; AVX1-NEXT: [[TMP76:%.*]] = getelementptr inbounds i32, i32* [[TMP72]], i32 0
+; AVX1-NEXT: [[TMP77:%.*]] = bitcast i32* [[TMP76]] to <2 x i32>*
+; AVX1-NEXT: store <2 x i32> [[TMP68]], <2 x i32>* [[TMP77]], align 4
+; AVX1-NEXT: [[TMP78:%.*]] = getelementptr inbounds i32, i32* [[TMP72]], i32 2
+; AVX1-NEXT: [[TMP79:%.*]] = bitcast i32* [[TMP78]] to <2 x i32>*
+; AVX1-NEXT: store <2 x i32> [[TMP69]], <2 x i32>* [[TMP79]], align 4
+; AVX1-NEXT: [[TMP80:%.*]] = getelementptr inbounds i32, i32* [[TMP72]], i32 4
+; AVX1-NEXT: [[TMP81:%.*]] = bitcast i32* [[TMP80]] to <2 x i32>*
+; AVX1-NEXT: store <2 x i32> [[TMP70]], <2 x i32>* [[TMP81]], align 4
+; AVX1-NEXT: [[TMP82:%.*]] = getelementptr inbounds i32, i32* [[TMP72]], i32 6
+; AVX1-NEXT: [[TMP83:%.*]] = bitcast i32* [[TMP82]] to <2 x i32>*
+; AVX1-NEXT: store <2 x i32> [[TMP71]], <2 x i32>* [[TMP83]], align 4
+; AVX1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
+; AVX1-NEXT: [[TMP84:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; AVX1-NEXT: br i1 [[TMP84]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
; AVX1: middle.block:
; AVX1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[WIDE_TRIP_COUNT]], [[N_VEC]]
; AVX1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
; AVX1-NEXT: br label [[FOR_BODY:%.*]]
; AVX1: for.body:
; AVX1-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
-; AVX1-NEXT: [[TMP22:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
-; AVX1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP22]]
-; AVX1-NEXT: [[TMP23:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
-; AVX1-NEXT: [[CONV:%.*]] = sext i16 [[TMP23]] to i32
-; AVX1-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP22]]
-; AVX1-NEXT: [[TMP24:%.*]] = load i16, i16* [[ARRAYIDX4]], align 2
-; AVX1-NEXT: [[CONV5:%.*]] = sext i16 [[TMP24]] to i32
+; AVX1-NEXT: [[TMP85:%.*]] = shl nuw nsw i64 [[INDVARS_IV]], 1
+; AVX1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP85]]
+; AVX1-NEXT: [[TMP86:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; AVX1-NEXT: [[CONV:%.*]] = sext i16 [[TMP86]] to i32
+; AVX1-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP85]]
+; AVX1-NEXT: [[TMP87:%.*]] = load i16, i16* [[ARRAYIDX4]], align 2
+; AVX1-NEXT: [[CONV5:%.*]] = sext i16 [[TMP87]] to i32
; AVX1-NEXT: [[MUL6:%.*]] = mul nsw i32 [[CONV5]], [[CONV]]
-; AVX1-NEXT: [[TMP25:%.*]] = or i64 [[TMP22]], 1
-; AVX1-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP25]]
-; AVX1-NEXT: [[TMP26:%.*]] = load i16, i16* [[ARRAYIDX10]], align 2
-; AVX1-NEXT: [[CONV11:%.*]] = sext i16 [[TMP26]] to i32
-; AVX1-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP25]]
-; AVX1-NEXT: [[TMP27:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
-; AVX1-NEXT: [[CONV16:%.*]] = sext i16 [[TMP27]] to i32
+; AVX1-NEXT: [[TMP88:%.*]] = or i64 [[TMP85]], 1
+; AVX1-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i16, i16* [[S1]], i64 [[TMP88]]
+; AVX1-NEXT: [[TMP89:%.*]] = load i16, i16* [[ARRAYIDX10]], align 2
+; AVX1-NEXT: [[CONV11:%.*]] = sext i16 [[TMP89]] to i32
+; AVX1-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i16, i16* [[S2]], i64 [[TMP88]]
+; AVX1-NEXT: [[TMP90:%.*]] = load i16, i16* [[ARRAYIDX15]], align 2
+; AVX1-NEXT: [[CONV16:%.*]] = sext i16 [[TMP90]] to i32
; AVX1-NEXT: [[MUL17:%.*]] = mul nsw i32 [[CONV16]], [[CONV11]]
; AVX1-NEXT: [[ADD18:%.*]] = add nsw i32 [[MUL17]], [[MUL6]]
; AVX1-NEXT: [[ARRAYIDX20:%.*]] = getelementptr inbounds i32, i32* [[D1]], i64 [[INDVARS_IV]]