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With the new world order, it can handle cases where the first store into the alloca is an element of the vector, instead of requiring the first analyzed store to have the vector type itself. This allows us to un-xfail test/CodeGen/X86/vec_ins_extract.ll. llvm-svn: 63590
52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
; RUN: llvm-as < %s | opt -scalarrepl -instcombine | \
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; RUN: llc -march=x86 -mcpu=yonah | not grep sub.*esp
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; This checks that various insert/extract idiom work without going to the
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; stack.
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define void @test(<4 x float>* %F, float %f) {
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entry:
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%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
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%tmp3 = add <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
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%tmp10 = insertelement <4 x float> %tmp3, float %f, i32 0 ; <<4 x float>> [#uses=2]
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%tmp6 = add <4 x float> %tmp10, %tmp10 ; <<4 x float>> [#uses=1]
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store <4 x float> %tmp6, <4 x float>* %F
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ret void
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}
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define void @test2(<4 x float>* %F, float %f) {
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entry:
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%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=3]
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%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
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%tmp3 = add <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
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store <4 x float> %tmp3, <4 x float>* %G
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%tmp.upgrd.1 = getelementptr <4 x float>* %G, i32 0, i32 2 ; <float*> [#uses=1]
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store float %f, float* %tmp.upgrd.1
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%tmp4 = load <4 x float>* %G ; <<4 x float>> [#uses=2]
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%tmp6 = add <4 x float> %tmp4, %tmp4 ; <<4 x float>> [#uses=1]
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store <4 x float> %tmp6, <4 x float>* %F
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ret void
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}
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define void @test3(<4 x float>* %F, float* %f) {
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entry:
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%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=2]
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%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
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%tmp3 = add <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
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store <4 x float> %tmp3, <4 x float>* %G
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%tmp.upgrd.2 = getelementptr <4 x float>* %G, i32 0, i32 2 ; <float*> [#uses=1]
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%tmp.upgrd.3 = load float* %tmp.upgrd.2 ; <float> [#uses=1]
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store float %tmp.upgrd.3, float* %f
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ret void
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}
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define void @test4(<4 x float>* %F, float* %f) {
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entry:
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%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
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%tmp5.lhs = extractelement <4 x float> %tmp, i32 0 ; <float> [#uses=1]
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%tmp5.rhs = extractelement <4 x float> %tmp, i32 0 ; <float> [#uses=1]
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%tmp5 = add float %tmp5.lhs, %tmp5.rhs ; <float> [#uses=1]
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store float %tmp5, float* %f
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ret void
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}
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