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| ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx | FileCheck %s
; PR11494
define void @test(<4 x i32>* nocapture %p) nounwind {
; CHECK-LABEL: test:
; CHECK: vpxor %xmm0, %xmm0, %xmm0
; CHECK-NEXT: vpmaxsd (%rdi), %xmm0, %xmm0
; CHECK-NEXT: vmovdqu %xmm0, (%rdi)
; CHECK-NEXT: ret
%a = load <4 x i32>, <4 x i32>* %p, align 1
%b = call <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32> %a, <4 x i32> zeroinitializer) nounwind
%c = shufflevector <4 x i32> %b, <4 x i32> undef, <8 x i32> <i32 undef, i32 undef, i32 undef, i32 undef, i32 0, i32 1, i32 2, i32 3>
%d = shufflevector <8 x i32> %c, <8 x i32> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
store <4 x i32> %d, <4 x i32>* %p, align 1
ret void
}
declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) nounwind readnone
|