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29c353b9c3
check more strict, breaking some cases not checked in the testsuite, but also exposes some foldings not done before, as this example: movaps (%rdi), %xmm0 movaps (%rax), %xmm1 movaps %xmm0, %xmm2 movss %xmm1, %xmm2 shufps $36, %xmm2, %xmm0 now is generated as: movaps (%rdi), %xmm0 movaps %xmm0, %xmm1 movlps (%rax), %xmm1 shufps $36, %xmm1, %xmm0 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112753 91177308-0d34-0410-b5e6-96231b3b80d8
15 lines
434 B
LLVM
15 lines
434 B
LLVM
; RUN: llc < %s -march=x86-64 | FileCheck %s
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define <4 x i32> @t00(<4 x i32>* %a0) nounwind ssp {
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entry:
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; CHECK: movaps (%rdi), %xmm0
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; CHECK-NEXT: movaps %xmm0, %xmm1
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; CHECK-NEXT: movlps (%rax), %xmm1
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; CHECK-NEXT: shufps $36, %xmm1, %xmm0
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%0 = load <4 x i32>* undef, align 16
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%1 = load <4 x i32>* %a0, align 16
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%2 = shufflevector <4 x i32> %1, <4 x i32> %0, <4 x i32> <i32 0, i32 1, i32 2, i32 4>
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ret <4 x i32> %2
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}
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