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https://github.com/c64scene-ar/llvm-6502.git
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932df5e9f6
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99959 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
972 B
LLVM
28 lines
972 B
LLVM
; RUN: llc < %s -march=x86 -mcpu=penryn -disable-mmx | FileCheck %s
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; Shows a dag combine bug that will generate an illegal build vector
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; with v2i64 build_vector i32, i32.
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; CHECK: test:
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; CHECK: unpcklpd
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; CHECK: movapd
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define void @test(<2 x double>* %dst, <4 x double> %src) nounwind {
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entry:
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%tmp7.i = shufflevector <4 x double> %src, <4 x double> undef, <2 x i32> < i32 0, i32 2 >
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store <2 x double> %tmp7.i, <2 x double>* %dst
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ret void
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}
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; CHECK: test2:
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; CHECK: movdqa
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define void @test2(<4 x i16>* %src, <4 x i32>* %dest) nounwind {
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entry:
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%tmp1 = load <4 x i16>* %src
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%tmp3 = shufflevector <4 x i16> %tmp1, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
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%0 = tail call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp3)
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store <4 x i32> %0, <4 x i32>* %dest
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ret void
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}
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declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone
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