mirror of
https://github.com/RPCS3/llvm.git
synced 2024-12-13 14:47:00 +00:00
d8f5bd3988
void test(vector float *F, float f) {
vector float G = *F + *F;
*((float*)&G) = f;
*F = G + G;
}
void test2(vector float *F, float f) {
vector float G = *F + *F;
((float*)&G)[2] = f;
*F = G + G;
}
void test3(vector float *F, float *f) {
vector float G = *F + *F;
*f = ((float*)&G)[2];
}
void test4(vector float *F, float *f) {
vector float G = *F + *F;
*f = *((float*)&G);
}
into insert/extract element operations with no memory traffic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27709 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
2.5 KiB
LLVM
57 lines
2.5 KiB
LLVM
|
|
; RUN: llvm-as < %s | opt -scalarrepl -disable-output &&
|
|
; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | not grep alloca
|
|
|
|
void %test(<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
|
|
%G = getelementptr <4 x float>* %G, int 0, int 0 ; <float*> [#uses=1]
|
|
store float %f, float* %G
|
|
%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 %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:
|
|
%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
|
|
%G = getelementptr <4 x float>* %G, int 0, int 0 ; <float*> [#uses=1]
|
|
%tmp = load float* %G ; <float> [#uses=1]
|
|
store float %tmp, float* %f
|
|
ret void
|
|
}
|
|
|