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scalarrepl should not split the two elements of the vsiidx array: 

int func(vFloat v0, vFloat v1) {
	int ii;
	vSInt32 vsiidx[2];
	vsiidx[0] = _mm_cvttps_epi32(v0);
	vsiidx[1] = _mm_cvttps_epi32(v1);
	ii = ((int *) vsiidx)[4];
	return ii;
}

llvm-svn: 31523
This commit is contained in:
Chris Lattner 2006-11-07 22:42:29 +00:00
parent f68a34908d
commit 2d7a5d9b5d
1 changed files with 19 additions and 0 deletions
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19
llvm/test/Regression/Transforms/ScalarRepl/2006-11-07-InvalidArrayPromote.ll Normal file
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; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis &&
; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | grep -F 'alloca [2 x <4 x int>]'
int %func(<4 x float> %v0, <4 x float> %v1) {
%vsiidx = alloca [2 x <4 x int>], align 16 ; <[2 x <4 x int>]*> [#uses=3]
%tmp = call <4 x int> %llvm.x86.sse2.cvttps2dq( <4 x float> %v0 ) ; <<4 x int>> [#uses=2]
%tmp = cast <4 x int> %tmp to <2 x long> ; <<2 x long>> [#uses=0]
%tmp = getelementptr [2 x <4 x int>]* %vsiidx, int 0, int 0 ; <<4 x int>*> [#uses=1]
store <4 x int> %tmp, <4 x int>* %tmp
%tmp10 = call <4 x int> %llvm.x86.sse2.cvttps2dq( <4 x float> %v1 ) ; <<4 x int>> [#uses=2]
%tmp10 = cast <4 x int> %tmp10 to <2 x long> ; <<2 x long>> [#uses=0]
%tmp14 = getelementptr [2 x <4 x int>]* %vsiidx, int 0, int 1 ; <<4 x int>*> [#uses=1]
store <4 x int> %tmp10, <4 x int>* %tmp14
%tmp15 = getelementptr [2 x <4 x int>]* %vsiidx, int 0, int 0, int 4 ; <int*> [#uses=1]
%tmp = load int* %tmp15 ; <int> [#uses=1]
ret int %tmp
}
declare <4 x int> %llvm.x86.sse2.cvttps2dq(<4 x float>)