1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx | FileCheck %s 2 ; PR11494 3 4 define void @test(<4 x i32>* nocapture %p) nounwind { 5 ; CHECK-LABEL: test: 6 ; CHECK: vpxor %xmm0, %xmm0, %xmm0 7 ; CHECK-NEXT: vpmaxsd (%rdi), %xmm0, %xmm0 8 ; CHECK-NEXT: vmovdqu %xmm0, (%rdi) 9 ; CHECK-NEXT: ret 10 %a = load <4 x i32>, <4 x i32>* %p, align 1 11 %b = call <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32> %a, <4 x i32> zeroinitializer) nounwind 12 %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> 13 %d = shufflevector <8 x i32> %c, <8 x i32> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7> 14 store <4 x i32> %d, <4 x i32>* %p, align 1 15 ret void 16 } 17 18 declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) nounwind readnone 19
