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Have some testcases

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15258 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-07-27 06:26:08 +00:00
parent 1c2b1294d3
commit 059f5a5e05
2 changed files with 22 additions and 0 deletions
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9
test/Analysis/GlobalsModRef/aliastest.ll Normal file
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; RUN: llvm-as < %s | opt -globalsmodref-aa -load-vn -gcse | llvm-dis | not grep load
%X = internal global int 4
int %test(int *%P) {
store int 7, int* %P
store int 12, int* %X ;; cannot alias P, X's addr isn't taken
%V = load int* %P
ret int %V
}

13
test/Analysis/GlobalsModRef/modreftest.ll Normal file
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; RUN: llvm-as < %s | opt -globalsmodref-aa -load-vn -gcse | llvm-dis | not grep load
%X = internal global int 4
int %test(int *%P) {
store int 12, int* %X
call void %doesnotmodX()
%V = load int* %X
ret int %V
}
void %doesnotmodX() {
ret void
}