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Another shuffle test. For 4-wide shuffle, no more than 3 {p}shuf*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27876 91177308-0d34-0410-b5e6-96231b3b80d8
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test/CodeGen/X86/vec_shuffle-4.ll
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test/CodeGen/X86/vec_shuffle-4.ll
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep shuf | wc -l | grep 3
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | not grep unpck
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void %test(<4 x float>* %res, <4 x float>* %A, <4 x float>* %B, <4 x float>* %C) {
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%tmp3 = load <4 x float>* %B
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%tmp5 = load <4 x float>* %C
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%tmp11 = shufflevector <4 x float> %tmp3, <4 x float> %tmp5, <4 x uint> < uint 1, uint 4, uint 1, uint 5 >
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store <4 x float> %tmp11, <4 x float>* %res
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ret void
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}
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