new testcase basicaa should handle

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18260 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-11-26 19:19:28 +00:00
parent 043e4b1084
commit 4e4f7312e0

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; A store or load cannot alias a global if the accessed amount is larger then
; the global.
; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep load
%B = global short 8
implementation
short %test(int *%P) {
%X = load short* %B
store int 7, int* %P
%Y = load short* %B
%Z = sub short %Y, %X
ret short %Z
}