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New method to allow more efficient clients

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llvm-svn: 12829
This commit is contained in:
Chris Lattner 2004-04-11 16:35:30 +00:00
parent ca1428e01c
commit d0345fb4a1
1 changed files with 9 additions and 0 deletions
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9
include/llvm/Analysis/AliasAnalysis.h
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@ -152,6 +152,15 @@ public:
///
virtual ModRefResult getModRefInfo(CallSite CS1, CallSite CS2);
/// hasNoModRefInfoForCalls - Return true if the analysis has no mod/ref
/// information for function calls other than "pure" and "const" functions.
/// This can be used by clients to avoid many pointless queries. Remember
/// that if you override this and chain to another analysis, you must make
/// sure that it doesn't have mod/ref info either.
///
virtual bool hasNoModRefInfoForCalls() const { return false; }
/// Convenience functions...
ModRefResult getModRefInfo(LoadInst *L, Value *P, unsigned Size);
ModRefResult getModRefInfo(StoreInst *S, Value *P, unsigned Size);