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25 lines
1.1 KiB
LLVM
25 lines
1.1 KiB
LLVM
; RUN: llvm-as < %s | opt -gcse -instcombine | \
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; RUN: llvm-dis | not grep sub
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define i32 @test_extractelement(<4 x i32> %V) {
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%R = extractelement <4 x i32> %V, i32 1 ; <i32> [#uses=1]
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%R2 = extractelement <4 x i32> %V, i32 1 ; <i32> [#uses=1]
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%V.upgrd.1 = sub i32 %R, %R2 ; <i32> [#uses=1]
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ret i32 %V.upgrd.1
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}
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define <4 x i32> @test_insertelement(<4 x i32> %V) {
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%R = insertelement <4 x i32> %V, i32 0, i32 0 ; <<4 x i32>> [#uses=1]
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%R2 = insertelement <4 x i32> %V, i32 0, i32 0 ; <<4 x i32>> [#uses=1]
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%x = sub <4 x i32> %R, %R2 ; <<4 x i32>> [#uses=1]
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ret <4 x i32> %x
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}
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define <4 x i32> @test_shufflevector(<4 x i32> %V) {
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%R = shufflevector <4 x i32> %V, <4 x i32> %V, <4 x i32> < i32 1, i32 undef, i32 7, i32 2 > ; <<4 x i32>> [#uses=1]
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%R2 = shufflevector <4 x i32> %V, <4 x i32> %V, <4 x i32> < i32 1, i32 undef, i32 7, i32 2 > ; <<4 x i32>> [#uses=1]
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%x = sub <4 x i32> %R, %R2 ; <<4 x i32>> [#uses=1]
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ret <4 x i32> %x
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}
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