[llvm-commits] CVS: llvm/include/llvm/Pass.h

[Chris Lattner]

Changes in directory llvm/include/llvm:

Pass.h updated: 1.30 -> 1.31

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Log message:

Add helper method


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Diffs of the changes:

Index: llvm/include/llvm/Pass.h
diff -u llvm/include/llvm/Pass.h:1.30 llvm/include/llvm/Pass.h:1.31
--- llvm/include/llvm/Pass.h:1.30	Wed Feb 26 13:10:28 2003
+++ llvm/include/llvm/Pass.h	Fri Mar 21 15:40:53 2003
@@ -142,6 +142,14 @@
     return dynamic_cast<AnalysisType*>(Resolver->getAnalysisToUpdate(PI));
   }
 
+  /// mustPreserveAnalysisID - This method serves the same function as
+  /// getAnalysisToUpdate, but works if you just have an AnalysisID.  This
+  /// obviously cannot give you a properly typed instance of the class if you
+  /// don't have the class name available (use getAnalysisToUpdate if you do),
+  /// but it can tell you if you need to preserve the pass at least.
+  ///
+  bool mustPreserveAnalysisID(const PassInfo *AnalysisID) const;
+
   /// getAnalysis<AnalysisType>() - This function is used by subclasses to get
   /// to the analysis information that they claim to use by overriding the
   /// getAnalysisUsage function.