Allow copyRegToReg to emit cross register classes copies.

[oota-llvm.git] / include / llvm / Pass.h

diff --git a/include/llvm/Pass.h b/include/llvm/Pass.h
index a371165f1ad263f0edd9f6a66c1cf16890a1199e..e38ee8fda30784c3ed35d6139b60523f6e25d7ed 100644 (file)
--- a/include/llvm/Pass.h
+++ b/include/llvm/Pass.h
@@ -45,8 +45,6 @@ class Module;
 class AnalysisUsage;
 class PassInfo;
 class ImmutablePass;
-class BasicBlockPassManager;
-class ModulePassManager;
 class PMStack;
 class AnalysisResolver;
 class PMDataManager;
@@ -132,8 +130,14 @@ public:
   }
 
   // Access AnalysisResolver
-  inline void setResolver(AnalysisResolver *AR) { Resolver = AR; }
-  inline AnalysisResolver *getResolver() { return Resolver; }
+  inline void setResolver(AnalysisResolver *AR) { 
+    assert (!Resolver && "Resolver is already set");
+    Resolver = AR; 
+  }
+  inline AnalysisResolver *getResolver() { 
+    assert (Resolver && "Resolver is not set");
+    return Resolver; 
+  }
 
   /// getAnalysisUsage - This function should be overriden by passes that need
   /// analysis information to do their job.  If a pass specifies that it uses a
@@ -157,12 +161,16 @@ public:
   ///
   virtual void releaseMemory() {}
 
+  /// verifyAnalysis() - This member can be implemented by a analysis pass to
+  /// check state of analysis information. 
+  virtual void verifyAnalysis() const {}
+
   // dumpPassStructure - Implement the -debug-passes=PassStructure option
   virtual void dumpPassStructure(unsigned Offset = 0);
 
   template<typename AnalysisClass>
   static const PassInfo *getClassPassInfo() {
-    return lookupPassInfo((intptr_t)&AnalysisClass::ID);
+    return lookupPassInfo(intptr_t(&AnalysisClass::ID));
   }
 
   // lookupPassInfo - Return the pass info object for the specified pass class,
@@ -254,7 +262,7 @@ public:
 
   /// ImmutablePasses are never run.
   ///
-  virtual bool runOnModule(Module &M) { return false; }
+  bool runOnModule(Module &M) { return false; }
 
   explicit ImmutablePass(intptr_t pid) : ModulePass(pid) {}
   // Force out-of-line virtual method.