define void @double_stride_ptr_iv(ptr %p, ptr %p2, i64 %stride) {
; CHECK-LABEL: @double_stride_ptr_iv(
; CHECK-NEXT: entry:
+; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 4
+; CHECK-NEXT: [[TMP2:%.*]] = call i64 @llvm.umax.i64(i64 8, i64 [[TMP1]])
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 1024, [[TMP2]]
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
+; CHECK: vector.scevcheck:
+; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i64 [[STRIDE:%.*]], 1
+; CHECK-NEXT: br i1 [[IDENT_CHECK]], label [[SCALAR_PH]], label [[VECTOR_MEMCHECK:%.*]]
+; CHECK: vector.memcheck:
+; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i8, ptr [[P2:%.*]], i64 1027
+; CHECK-NEXT: [[SCEVGEP1:%.*]] = getelementptr i8, ptr [[P:%.*]], i64 1027
+; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult ptr [[P2]], [[SCEVGEP1]]
+; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult ptr [[P]], [[SCEVGEP]]
+; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
+; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[TMP3:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[TMP3]], 4
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 1024, [[TMP4]]
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 1024, [[N_MOD_VF]]
+; CHECK-NEXT: [[TMP5:%.*]] = mul i64 [[N_VEC]], [[STRIDE]]
+; CHECK-NEXT: [[IND_END:%.*]] = getelementptr i8, ptr [[P]], i64 [[TMP5]]
+; CHECK-NEXT: [[TMP6:%.*]] = mul i64 [[N_VEC]], [[STRIDE]]
+; CHECK-NEXT: [[IND_END3:%.*]] = getelementptr i8, ptr [[P2]], i64 [[TMP6]]
+; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
+; CHECK: vector.body:
+; CHECK-NEXT: [[POINTER_PHI:%.*]] = phi ptr [ [[P]], [[VECTOR_PH]] ], [ [[PTR_IND:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[POINTER_PHI7:%.*]] = phi ptr [ [[P2]], [[VECTOR_PH]] ], [ [[PTR_IND8:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP7:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT: [[TMP8:%.*]] = mul i64 [[TMP7]], 4
+; CHECK-NEXT: [[TMP9:%.*]] = mul i64 [[TMP8]], 1
+; CHECK-NEXT: [[TMP10:%.*]] = mul i64 [[STRIDE]], [[TMP9]]
+; CHECK-NEXT: [[TMP11:%.*]] = mul i64 [[TMP8]], 0
+; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP11]], 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: [[TMP12:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT: [[TMP13:%.*]] = add <vscale x 4 x i64> [[DOTSPLAT]], [[TMP12]]
+; CHECK-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[STRIDE]], i64 0
+; CHECK-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT5]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[VECTOR_GEP:%.*]] = mul <vscale x 4 x i64> [[TMP13]], [[DOTSPLAT6]]
+; CHECK-NEXT: [[TMP14:%.*]] = getelementptr i8, ptr [[POINTER_PHI]], <vscale x 4 x i64> [[VECTOR_GEP]]
+; CHECK-NEXT: [[TMP15:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT: [[TMP16:%.*]] = mul i64 [[TMP15]], 4
+; CHECK-NEXT: [[TMP17:%.*]] = mul i64 [[TMP16]], 1
+; CHECK-NEXT: [[TMP18:%.*]] = mul i64 [[STRIDE]], [[TMP17]]
+; CHECK-NEXT: [[TMP19:%.*]] = mul i64 [[TMP16]], 0
+; CHECK-NEXT: [[DOTSPLATINSERT9:%.*]] = insertelement <vscale x 4 x i64> poison, i64 [[TMP19]], i64 0
+; CHECK-NEXT: [[DOTSPLAT10:%.*]] = shufflevector <vscale x 4 x i64> [[DOTSPLATINSERT9]], <vscale x 4 x i64> poison, <vscale x 4 x i32> zeroinitializer
+; CHECK-NEXT: [[TMP20:%.*]] = call <vscale x 4 x i64> @llvm.experimental.stepvector.nxv4i64()
+; CHECK-NEXT: [[TMP21:%.*]] = add <vscale x 4 x i64> [[DOTSPLAT10]], [[TMP20]]
+; CHECK-NEXT: [[VECTOR_GEP13:%.*]] = mul <vscale x 4 x i64> [[TMP21]], [[DOTSPLAT6]]
+; CHECK-NEXT: [[TMP22:%.*]] = getelementptr i8, ptr [[POINTER_PHI7]], <vscale x 4 x i64> [[VECTOR_GEP13]]
+; CHECK-NEXT: [[WIDE_MASKED_GATHER:%.*]] = call <vscale x 4 x i32> @llvm.masked.gather.nxv4i32.nxv4p0(<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), <vscale x 4 x i32> poison), !alias.scope !16
+; CHECK-NEXT: [[TMP23:%.*]] = add <vscale x 4 x i32> [[WIDE_MASKED_GATHER]], 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: call void @llvm.masked.scatter.nxv4i32.nxv4p0(<vscale x 4 x i32> [[TMP23]], <vscale x 4 x ptr> [[TMP22]], 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)), !alias.scope !19, !noalias !16
+; CHECK-NEXT: [[TMP24:%.*]] = call i64 @llvm.vscale.i64()
+; CHECK-NEXT: [[TMP25:%.*]] = mul i64 [[TMP24]], 4
+; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], [[TMP25]]
+; CHECK-NEXT: [[PTR_IND]] = getelementptr i8, ptr [[POINTER_PHI]], i64 [[TMP10]]
+; CHECK-NEXT: [[PTR_IND8]] = getelementptr i8, ptr [[POINTER_PHI7]], i64 [[TMP18]]
+; CHECK-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
+; CHECK: middle.block:
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 1024, [[N_VEC]]
+; 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:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[VECTOR_MEMCHECK]] ]
+; CHECK-NEXT: [[BC_RESUME_VAL2:%.*]] = phi ptr [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[P]], [[ENTRY]] ], [ [[P]], [[VECTOR_SCEVCHECK]] ], [ [[P]], [[VECTOR_MEMCHECK]] ]
+; CHECK-NEXT: [[BC_RESUME_VAL4:%.*]] = phi ptr [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[P2]], [[ENTRY]] ], [ [[P2]], [[VECTOR_SCEVCHECK]] ], [ [[P2]], [[VECTOR_MEMCHECK]] ]
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
-; CHECK-NEXT: [[I:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[NEXTI:%.*]], [[LOOP]] ]
-; CHECK-NEXT: [[PTR:%.*]] = phi ptr [ [[P:%.*]], [[ENTRY]] ], [ [[PTR_NEXT:%.*]], [[LOOP]] ]
-; CHECK-NEXT: [[PTR2:%.*]] = phi ptr [ [[P2:%.*]], [[ENTRY]] ], [ [[PTR2_NEXT:%.*]], [[LOOP]] ]
+; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[NEXTI:%.*]], [[LOOP]] ]
+; CHECK-NEXT: [[PTR:%.*]] = phi ptr [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ], [ [[PTR_NEXT:%.*]], [[LOOP]] ]
+; CHECK-NEXT: [[PTR2:%.*]] = phi ptr [ [[BC_RESUME_VAL4]], [[SCALAR_PH]] ], [ [[PTR2_NEXT:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[X0:%.*]] = load i32, ptr [[PTR]], align 4
; CHECK-NEXT: [[Y0:%.*]] = add i32 [[X0]], 1
; CHECK-NEXT: store i32 [[Y0]], ptr [[PTR2]], align 4
-; CHECK-NEXT: [[PTR_NEXT]] = getelementptr inbounds i8, ptr [[PTR]], i64 [[STRIDE:%.*]]
+; CHECK-NEXT: [[PTR_NEXT]] = getelementptr inbounds i8, ptr [[PTR]], i64 [[STRIDE]]
; CHECK-NEXT: [[PTR2_NEXT]] = getelementptr inbounds i8, ptr [[PTR2]], i64 [[STRIDE]]
; CHECK-NEXT: [[NEXTI]] = add i64 [[I]], 1
; CHECK-NEXT: [[DONE:%.*]] = icmp eq i64 [[NEXTI]], 1024
-; CHECK-NEXT: br i1 [[DONE]], label [[EXIT:%.*]], label [[LOOP]]
+; CHECK-NEXT: br i1 [[DONE]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP22:![0-9]+]]
; CHECK: exit:
; CHECK-NEXT: ret void
;