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; 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> <i32 1, i32 0>
; 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> <i32 0, i32 3>
; 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
}
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