llvm/test/Analysis/BasicAA/2003-04-22-GEPProblem.ll
Chris Lattner 63a6e77485 New testcase
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5857 91177308-0d34-0410-b5e6-96231b3b80d8
2003-04-22 22:00:15 +00:00

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348 B
LLVM

; RUN: as < %s | opt -load-vn -gcse -instcombine | dis | grep sub
; BasicAA was incorrectly concluding that P1 and P2 didn't conflict!
int %test(int *%Ptr, long %V) {
%P2 = getelementptr int* %Ptr, long 1
%P1 = getelementptr int* %Ptr, long %V
%X = load int* %P1
store int 5, int* %P2
%Y = load int* %P1
%Z = sub int %X, %Y
ret int %Z
}