; 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> %d = shufflevector <8 x i32> %c, <8 x i32> undef, <4 x i32> 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