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add a helper

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89662 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-11-23 16:38:54 +00:00
parent 9f9ca73d7e
commit c46530b6a3
1 changed files with 7 additions and 0 deletions
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7
include/llvm/Analysis/AliasAnalysis.h
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@ -94,6 +94,13 @@ public:
virtual AliasResult alias(const Value *V1, unsigned V1Size,
const Value *V2, unsigned V2Size);
/// isNoAlias - A trivial helper function to check to see if the specified
/// pointers are no-alias.
bool isNoAlias(const Value *V1, unsigned V1Size,
const Value *V2, unsigned V2Size) {
return alias(V1, V1Size, V2, V2Size) == NoAlias;
}
/// pointsToConstantMemory - If the specified pointer is known to point into
/// constant global memory, return true. This allows disambiguation of store
/// instructions from constant pointers.