forked from OSchip/llvm-project
21 lines
906 B
LLVM
21 lines
906 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+avx | FileCheck %s
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; PR11494
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define void @test(<4 x i32>* nocapture %p) nounwind {
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; CHECK-LABEL: test:
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; CHECK: ## %bb.0:
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; CHECK-NEXT: vpxor %xmm0, %xmm0, %xmm0
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; CHECK-NEXT: vpmaxsd (%rdi), %xmm0, %xmm0
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; CHECK-NEXT: vmovdqu %xmm0, (%rdi)
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; CHECK-NEXT: retq
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%a = load <4 x i32>, <4 x i32>* %p, align 1
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%b = call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> zeroinitializer) nounwind
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%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>
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%d = shufflevector <8 x i32> %c, <8 x i32> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
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store <4 x i32> %d, <4 x i32>* %p, align 1
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ret void
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}
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declare <4 x i32> @llvm.smax.v4i32(<4 x i32>, <4 x i32>) nounwind readnone
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