[llvm-commits] CVS: llvm/include/llvm/Analysis/AliasAnalysis.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Analysis:

AliasAnalysis.h updated: 1.14 -> 1.15

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Log message:

New method to allow more efficient clients


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Diffs of the changes:  (+9 -0)

Index: llvm/include/llvm/Analysis/AliasAnalysis.h
diff -u llvm/include/llvm/Analysis/AliasAnalysis.h:1.14 llvm/include/llvm/Analysis/AliasAnalysis.h:1.15
--- llvm/include/llvm/Analysis/AliasAnalysis.h:1.14	Sat Apr 10 01:11:29 2004
+++ llvm/include/llvm/Analysis/AliasAnalysis.h	Sun Apr 11 11:35:30 2004
@@ -152,6 +152,15 @@
   ///
   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);