; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-unknown -mcpu=corei7-avx | FileCheck %s %struct.complex = type { float, float } define void @foo (ptr %A, ptr %B, ptr %Result) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = add i64 256, 0 ; CHECK-NEXT: br label [[LOOP:%.*]] ; CHECK: loop: ; CHECK-NEXT: [[TMP1:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[TMP18:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[TMP2:%.*]] = phi <2 x float> [ zeroinitializer, [[ENTRY]] ], [ [[TMP17:%.*]], [[LOOP]] ] ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[STRUCT_COMPLEX:%.*]], ptr [[A:%.*]], i64 [[TMP1]], i32 0 ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[STRUCT_COMPLEX]], ptr [[B:%.*]], i64 [[TMP1]], i32 0 ; CHECK-NEXT: [[TMP5:%.*]] = load float, ptr [[TMP4]], align 4 ; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[STRUCT_COMPLEX]], ptr [[B]], i64 [[TMP1]], i32 1 ; CHECK-NEXT: [[TMP7:%.*]] = load float, ptr [[TMP6]], align 4 ; CHECK-NEXT: [[TMP9:%.*]] = load <2 x float>, ptr [[TMP3]], align 4 ; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x float> poison, float [[TMP5]], i32 0 ; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <2 x float> [[TMP10]], <2 x float> poison, <2 x i32> zeroinitializer ; CHECK-NEXT: [[TMP11:%.*]] = fmul <2 x float> [[TMP9]], [[SHUFFLE]] ; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x float> poison, float [[TMP7]], i32 0 ; CHECK-NEXT: [[SHUFFLE1:%.*]] = shufflevector <2 x float> [[TMP12]], <2 x float> poison, <2 x i32> zeroinitializer ; CHECK-NEXT: [[TMP13:%.*]] = fmul <2 x float> [[TMP9]], [[SHUFFLE1]] ; CHECK-NEXT: [[SHUFFLE2:%.*]] = shufflevector <2 x float> [[TMP13]], <2 x float> poison, <2 x i32> ; CHECK-NEXT: [[TMP14:%.*]] = fsub <2 x float> [[TMP11]], [[SHUFFLE2]] ; CHECK-NEXT: [[TMP15:%.*]] = fadd <2 x float> [[TMP11]], [[SHUFFLE2]] ; CHECK-NEXT: [[TMP16:%.*]] = shufflevector <2 x float> [[TMP14]], <2 x float> [[TMP15]], <2 x i32> ; CHECK-NEXT: [[TMP17]] = fadd <2 x float> [[TMP2]], [[TMP16]] ; CHECK-NEXT: [[TMP18]] = add nuw nsw i64 [[TMP1]], 1 ; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[TMP18]], [[TMP0]] ; CHECK-NEXT: br i1 [[TMP19]], label [[EXIT:%.*]], label [[LOOP]] ; CHECK: exit: ; CHECK-NEXT: store <2 x float> [[TMP17]], ptr [[RESULT:%.*]], align 4 ; CHECK-NEXT: ret void ; entry: %0 = add i64 256, 0 br label %loop loop: %1 = phi i64 [ 0, %entry ], [ %20, %loop ] %2 = phi float [ 0.000000e+00, %entry ], [ %19, %loop ] %3 = phi float [ 0.000000e+00, %entry ], [ %18, %loop ] %4 = getelementptr inbounds %"struct.complex", ptr %A, i64 %1, i32 0 %5 = load float, ptr %4, align 4 %6 = getelementptr inbounds %"struct.complex", ptr %A, i64 %1, i32 1 %7 = load float, ptr %6, align 4 %8 = getelementptr inbounds %"struct.complex", ptr %B, i64 %1, i32 0 %9 = load float, ptr %8, align 4 %10 = getelementptr inbounds %"struct.complex", ptr %B, i64 %1, i32 1 %11 = load float, ptr %10, align 4 %12 = fmul float %5, %9 %13 = fmul float %7, %11 %14 = fsub float %12, %13 %15 = fmul float %7, %9 %16 = fmul float %5, %11 %17 = fadd float %15, %16 %18 = fadd float %3, %14 %19 = fadd float %2, %17 %20 = add nuw nsw i64 %1, 1 %21 = icmp eq i64 %20, %0 br i1 %21, label %exit, label %loop exit: store float %18, ptr %Result, align 4 %22 = getelementptr inbounds %"struct.complex", ptr %Result, i32 0, i32 1 store float %19, ptr %22, align 4 ret void }