forked from OSchip/llvm-project
48 lines
1.6 KiB
LLVM
48 lines
1.6 KiB
LLVM
; RUN: opt < %s -instcombine -S | not grep vector_shuffle
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; END.
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%T = type <4 x float>
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define %T @test1(%T %v1) {
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%v2 = shufflevector %T %v1, %T undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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ret %T %v2
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}
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define %T @test2(%T %v1) {
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%v2 = shufflevector %T %v1, %T %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
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ret %T %v2
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}
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define float @test3(%T %A, %T %B, float %f) {
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%C = insertelement %T %A, float %f, i32 0
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%D = shufflevector %T %C, %T %B, <4 x i32> <i32 5, i32 0, i32 2, i32 7>
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%E = extractelement %T %D, i32 1
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ret float %E
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}
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define i32 @test4(<4 x i32> %X) {
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%tmp152.i53899.i = shufflevector <4 x i32> %X, <4 x i32> undef, <4 x i32> zeroinitializer
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%tmp34 = extractelement <4 x i32> %tmp152.i53899.i, i32 0
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ret i32 %tmp34
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}
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define i32 @test5(<4 x i32> %X) {
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%tmp152.i53899.i = shufflevector <4 x i32> %X, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 undef, i32 undef>
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%tmp34 = extractelement <4 x i32> %tmp152.i53899.i, i32 0
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ret i32 %tmp34
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}
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define float @test6(<4 x float> %X) {
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%X1 = bitcast <4 x float> %X to <4 x i32>
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%tmp152.i53899.i = shufflevector <4 x i32> %X1, <4 x i32> undef, <4 x i32> zeroinitializer
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%tmp152.i53900.i = bitcast <4 x i32> %tmp152.i53899.i to <4 x float>
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%tmp34 = extractelement <4 x float> %tmp152.i53900.i, i32 0
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ret float %tmp34
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}
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define <4 x float> @test7(<4 x float> %tmp45.i) {
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%tmp1642.i = shufflevector <4 x float> %tmp45.i, <4 x float> undef, <4 x i32> < i32 0, i32 1, i32 6, i32 7 >
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ret <4 x float> %tmp1642.i
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}
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