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; RUN: llvm-as < %s | opt -scalarrepl -instcombine | \
; RUN: llc -march=x86 -mcpu=yonah | not grep sub.*esp
; This checks that various insert/extract idiom work without going to the
; stack.
define void @test(<4 x float>* %F, float %f) {
entry:
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = fadd <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
%tmp10 = insertelement <4 x float> %tmp3, float %f, i32 0 ; <<4 x float>> [#uses=2]
%tmp6 = fadd <4 x float> %tmp10, %tmp10 ; <<4 x float>> [#uses=1]
store <4 x float> %tmp6, <4 x float>* %F
ret void
}
define void @test2(<4 x float>* %F, float %f) {
entry:
%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=3]
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = fadd <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
store <4 x float> %tmp3, <4 x float>* %G
%tmp.upgrd.1 = getelementptr <4 x float>* %G, i32 0, i32 2 ; <float*> [#uses=1]
store float %f, float* %tmp.upgrd.1
%tmp4 = load <4 x float>* %G ; <<4 x float>> [#uses=2]
%tmp6 = fadd <4 x float> %tmp4, %tmp4 ; <<4 x float>> [#uses=1]
store <4 x float> %tmp6, <4 x float>* %F
ret void
}
define void @test3(<4 x float>* %F, float* %f) {
entry:
%G = alloca <4 x float>, align 16 ; <<4 x float>*> [#uses=2]
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp3 = fadd <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1]
store <4 x float> %tmp3, <4 x float>* %G
%tmp.upgrd.2 = getelementptr <4 x float>* %G, i32 0, i32 2 ; <float*> [#uses=1]
%tmp.upgrd.3 = load float* %tmp.upgrd.2 ; <float> [#uses=1]
store float %tmp.upgrd.3, float* %f
ret void
}
define void @test4(<4 x float>* %F, float* %f) {
entry:
%tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2]
%tmp5.lhs = extractelement <4 x float> %tmp, i32 0 ; <float> [#uses=1]
%tmp5.rhs = extractelement <4 x float> %tmp, i32 0 ; <float> [#uses=1]
%tmp5 = fadd float %tmp5.lhs, %tmp5.rhs ; <float> [#uses=1]
store float %tmp5, float* %f
ret void
}
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