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

diff --git a/include/llvm/Pass.h b/include/llvm/Pass.h
index e5c073cd9412e692739f71b5af5530adedac6434..04dd8b60547a966f77215de01d515357b3b484d3 100644 (file)
--- a/include/llvm/Pass.h
+++ b/include/llvm/Pass.h
@@ -13,7 +13,7 @@
 // Passes are designed this way so that it is possible to run passes in a cache
 // and organizationally optimal order without having to specify it at the front
 // end.  This allows arbitrary passes to be strung together and have them
-// executed as effeciently as possible.
+// executed as efficiently as possible.
 //
 // Passes should extend one of the classes below, depending on the guarantees
 // that it can make about what will be modified as it is run.  For example, most
@@ -29,11 +29,7 @@
 #ifndef LLVM_PASS_H
 #define LLVM_PASS_H
 
-#include "llvm/System/DataTypes.h"
-
 #include <string>
-#include <utility>
-#include <vector>
 
 namespace llvm {
 
@@ -61,6 +57,7 @@ enum PassManagerType {
   PMT_CallGraphPassManager,  ///< CGPassManager
   PMT_FunctionPassManager,   ///< FPPassManager
   PMT_LoopPassManager,       ///< LPPassManager
+  PMT_RegionPassManager,     ///< RGPassManager
   PMT_BasicBlockPassManager, ///< BBPassManager
   PMT_Last
 };
@@ -68,13 +65,14 @@ enum PassManagerType {
 // Different types of passes.
 enum PassKind {
   PT_BasicBlock,
+  PT_Region,
   PT_Loop,
   PT_Function,
   PT_CallGraphSCC,
   PT_Module,
   PT_PassManager
 };
-  
+
 //===----------------------------------------------------------------------===//
 /// Pass interface - Implemented by all 'passes'.  Subclass this if you are an
 /// interprocedural optimization or you do not fit into any of the more
@@ -116,14 +114,14 @@ public:
   void dump() const; // dump - Print to stderr.
 
   /// createPrinterPass - Get a Pass appropriate to print the IR this
-  /// pass operates one (Module, Function or MachineFunction).
+  /// pass operates on (Module, Function or MachineFunction).
   virtual Pass *createPrinterPass(raw_ostream &O,
                                   const std::string &Banner) const = 0;
 
   /// Each pass is responsible for assigning a pass manager to itself.
   /// PMS is the stack of available pass manager. 
   virtual void assignPassManager(PMStack &, 
-                                 PassManagerType = PMT_Unknown) {}
+                                 PassManagerType) {}
   /// Check if available pass managers are suitable for this pass or not.
   virtual void preparePassManager(PMStack &);
   
@@ -229,7 +227,7 @@ public:
   virtual bool runOnModule(Module &M) = 0;
 
   virtual void assignPassManager(PMStack &PMS, 
-                                 PassManagerType T = PMT_ModulePassManager);
+                                 PassManagerType T);
 
   ///  Return what kind of Pass Manager can manage this pass.
   virtual PassManagerType getPotentialPassManagerType() const;
@@ -299,19 +297,8 @@ public:
   ///
   virtual bool doFinalization(Module &);
 
-  /// runOnModule - On a module, we run this pass by initializing,
-  /// ronOnFunction'ing once for every function in the module, then by
-  /// finalizing.
-  ///
-  virtual bool runOnModule(Module &M);
-
-  /// run - On a function, we simply initialize, run the function, then
-  /// finalize.
-  ///
-  bool run(Function &F);
-
   virtual void assignPassManager(PMStack &PMS, 
-                                 PassManagerType T = PMT_FunctionPassManager);
+                                 PassManagerType T);
 
   ///  Return what kind of Pass Manager can manage this pass.
   virtual PassManagerType getPotentialPassManagerType() const;
@@ -333,7 +320,7 @@ class BasicBlockPass : public Pass {
 public:
   explicit BasicBlockPass(char &pid) : Pass(PT_BasicBlock, pid) {}
 
-  /// createPrinterPass - Get a function printer pass.
+  /// createPrinterPass - Get a basic block printer pass.
   Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
 
   /// doInitialization - Virtual method overridden by subclasses to do
@@ -361,14 +348,8 @@ public:
   ///
   virtual bool doFinalization(Module &);
 
-
-  // To run this pass on a function, we simply call runOnBasicBlock once for
-  // each function.
-  //
-  bool runOnFunction(Function &F);
-
   virtual void assignPassManager(PMStack &PMS, 
-                                 PassManagerType T = PMT_BasicBlockPassManager);
+                                 PassManagerType T);
 
   ///  Return what kind of Pass Manager can manage this pass.
   virtual PassManagerType getPotentialPassManagerType() const;