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

[Chris Lattner]

Changes in directory llvm/include/llvm:

Pass.h updated: 1.29 -> 1.30

---
Log message:

* Un "protect" the getAnalysis<> functions
* Add a new initializePass() method to ImmutablePass



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Diffs of the changes:

Index: llvm/include/llvm/Pass.h
diff -u llvm/include/llvm/Pass.h:1.29 llvm/include/llvm/Pass.h:1.30
--- llvm/include/llvm/Pass.h:1.29	Wed Sep 25 16:59:09 2002
+++ llvm/include/llvm/Pass.h	Wed Feb 26 13:10:28 2003
@@ -142,8 +142,6 @@
     return dynamic_cast<AnalysisType*>(Resolver->getAnalysisToUpdate(PI));
   }
 
-protected:
-
   /// getAnalysis<AnalysisType>() - This function is used by subclasses to get
   /// to the analysis information that they claim to use by overriding the
   /// getAnalysisUsage function.
@@ -203,8 +201,16 @@
 /// "basic" versions of AnalysisGroups.
 ///
 struct ImmutablePass : public Pass {
+  /// initializePass - This method may be overriden by immutable passes to allow
+  /// them to perform various initialization actions they require.  This is
+  /// primarily because an ImmutablePass can "require" another ImmutablePass,
+  /// and if it does, the overloaded version of initializePass may get access to
+  /// these passes with getAnalysis<>.
+  ///
+  virtual void initializePass() {}
 
-  // ImmutablePasses are never run.
+  /// ImmutablePasses are never run.
+  ///
   virtual bool run(Module &M) { return false; }
 
 private: