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

[Chris Lattner]

Changes in directory llvm/include/llvm/Analysis:

AliasAnalysis.h updated: 1.4 -> 1.5

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Log message:

Add support for gathering sets of must aliases


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Diffs of the changes:

Index: llvm/include/llvm/Analysis/AliasAnalysis.h
diff -u llvm/include/llvm/Analysis/AliasAnalysis.h:1.4 llvm/include/llvm/Analysis/AliasAnalysis.h:1.5
--- llvm/include/llvm/Analysis/AliasAnalysis.h:1.4	Wed Feb 26 13:24:47 2003
+++ llvm/include/llvm/Analysis/AliasAnalysis.h	Sat Jun 28 19:23:11 2003
@@ -76,6 +76,15 @@
     return MayAlias;
   }
 
+  /// getMustAliases - If there are any pointers known that must alias this
+  /// pointer, return them now.  This allows alias-set based alias analyses to
+  /// perform a form a value numbering (which is exposed by load-vn).  If an
+  /// alias analysis supports this, it should ADD any must aliased pointers to
+  /// the specified vector.
+  ///
+  virtual void getMustAliases(Value *P, std::vector<Value*> &RetVals) {}
+
+
   //===--------------------------------------------------------------------===//
   /// Simple mod/ref information...
   ///