| ; RUN: llvm-upgrade < %s | llvm-as | 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. |
| |
| void %test(<4 x float>* %F, float %f) { |
| entry: |
| %tmp = load <4 x float>* %F ; <<4 x float>> [#uses=2] |
| %tmp3 = add <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1] |
| %tmp10 = insertelement <4 x float> %tmp3, float %f, uint 0 ; <<4 x float>> [#uses=2] |
| %tmp6 = add <4 x float> %tmp10, %tmp10 ; <<4 x float>> [#uses=1] |
| store <4 x float> %tmp6, <4 x float>* %F |
| ret void |
| } |
| |
| 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 = add <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1] |
| store <4 x float> %tmp3, <4 x float>* %G |
| %tmp = getelementptr <4 x float>* %G, int 0, int 2 ; <float*> [#uses=1] |
| store float %f, float* %tmp |
| %tmp4 = load <4 x float>* %G ; <<4 x float>> [#uses=2] |
| %tmp6 = add <4 x float> %tmp4, %tmp4 ; <<4 x float>> [#uses=1] |
| store <4 x float> %tmp6, <4 x float>* %F |
| ret void |
| } |
| |
| 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 = add <4 x float> %tmp, %tmp ; <<4 x float>> [#uses=1] |
| store <4 x float> %tmp3, <4 x float>* %G |
| %tmp = getelementptr <4 x float>* %G, int 0, int 2 ; <float*> [#uses=1] |
| %tmp = load float* %tmp ; <float> [#uses=1] |
| store float %tmp, float* %f |
| ret void |
| } |
| |
| 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, uint 0 ; <float> [#uses=1] |
| %tmp5.rhs = extractelement <4 x float> %tmp, uint 0 ; <float> [#uses=1] |
| %tmp5 = add float %tmp5.lhs, %tmp5.rhs ; <float> [#uses=1] |
| store float %tmp5, float* %f |
| ret void |
| } |