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27 lines
905 B
LLVM
27 lines
905 B
LLVM
; RUN: llvm-as < %s | opt -gcse -instcombine -disable-output &&
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; RUN: llvm-as < %s | opt -gcse -instcombine | llvm-dis | not grep sub
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uint %test_extractelement(<4 x uint> %V) {
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%R = extractelement <4 x uint> %V, uint 1
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%R2 = extractelement <4 x uint> %V, uint 1
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%V = sub uint %R, %R2
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ret uint %V
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}
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<4 x uint> %test_insertelement(<4 x uint> %V) {
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%R = insertelement <4 x uint> %V, uint 0, uint 0
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%R2 = insertelement <4 x uint> %V, uint 0, uint 0
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%x = sub <4 x uint> %R, %R2
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ret <4 x uint> %x
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}
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<4 x uint> %test_shufflevector(<4 x uint> %V) {
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%R = shufflevector <4 x uint> %V, <4 x uint> %V,
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<4 x uint> < uint 1, uint undef, uint 7, uint 2>
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%R2 = shufflevector <4 x uint> %V, <4 x uint> %V,
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<4 x uint> < uint 1, uint undef, uint 7, uint 2>
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%x = sub <4 x uint> %R, %R2
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ret <4 x uint> %x
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}
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