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

Chris Lattner lattner at cs.uiuc.edu
Tue Apr 20 16:31:17 PDT 2004


Changes in directory llvm/include/llvm:

CallGraphSCCPass.h updated: 1.3 -> 1.4

---
Log message:

Add the ability for SCC passes to initialize and finalize themselves


---
Diffs of the changes:  (+13 -0)

Index: llvm/include/llvm/CallGraphSCCPass.h
diff -u llvm/include/llvm/CallGraphSCCPass.h:1.3 llvm/include/llvm/CallGraphSCCPass.h:1.4
--- llvm/include/llvm/CallGraphSCCPass.h:1.3	Tue Nov 11 16:41:29 2003
+++ llvm/include/llvm/CallGraphSCCPass.h	Tue Apr 20 16:29:57 2004
@@ -26,15 +26,28 @@
 namespace llvm {
 
 class CallGraphNode;
+class Module;
 
 struct CallGraphSCCPass : public Pass {
 
+  /// doInitialization - This method is called before the SCC's of the program
+  /// has been processed, allowing the pass to do initialization as necessary.
+  virtual bool doInitialization(Module &M) {
+    return false;
+  }
+
   /// runOnSCC - This method should be implemented by the subclass to perform
   /// whatever action is necessary for the specified SCC.  Note that
   /// non-recursive (or only self-recursive) functions will have an SCC size of
   /// 1, where recursive portions of the call graph will have SCC size > 1.
   ///
   virtual bool runOnSCC(const std::vector<CallGraphNode *> &SCC) = 0;
+
+  /// doFinalization - This method is called after the SCC's of the program has
+  /// been processed, allowing the pass to do final cleanup as necessary.
+  virtual bool doFinalization(Module &M) {
+    return false;
+  }
 
   /// run - Run this pass, returning true if a modification was made to the
   /// module argument.  This is implemented in terms of the runOnSCC method.





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