moves doInitialization and doFinalization to the Pass class and removes some unreachable code in MachineModuleInfo

reviewed by Evan Cheng <evan.cheng@apple.com>



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169164 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 29 deletions

diff --git a/include/llvm/Pass.h b/include/llvm/Pass.h
index e92e31b1e9..35ec022516 100644
--- a/include/llvm/Pass.h
+++ b/include/llvm/Pass.h
@@ -104,6 +104,16 @@ public:
     return PassID;
   }
 
+  /// doInitialization - Virtual method overridden by subclasses to do
+  /// any necessary initialization before any pass is run.
+  ///
+  virtual bool doInitialization(Module &)  { return false; }
+
+  /// doFinalization - Virtual method overriden by subclasses to do any
+  /// necessary clean up after all passes have run.
+  ///
+  virtual bool doFinalization(Module &) { return false; }
+
   /// print - Print out the internal state of the pass.  This is called by
   /// Analyze to print out the contents of an analysis.  Otherwise it is not
   /// necessary to implement this method.  Beware that the module pointer MAY be
@@ -227,20 +237,10 @@ public:
   /// createPrinterPass - Get a module printer pass.
   Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
 
-  /// doInitialization - Virtual method overridden by subclasses to do
-  /// any necessary initialization before any pass is run.
-  ///
-  virtual bool doInitialization(Module &)  { return false; }
-
   /// runOnModule - Virtual method overriden by subclasses to process the module
   /// being operated on.
   virtual bool runOnModule(Module &M) = 0;
 
-  /// doFinalization - Virtual method overriden by subclasses to do any
-  /// necessary clean up after all passes have run.
-  ///
-  virtual bool doFinalization(Module &) { return false; }
-
   virtual void assignPassManager(PMStack &PMS,
                                  PassManagerType T);
 
@@ -297,21 +297,11 @@ public:
   /// createPrinterPass - Get a function printer pass.
   Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
 
-  /// doInitialization - Virtual method overridden by subclasses to do
-  /// any necessary per-module initialization.
-  ///
-  virtual bool doInitialization(Module &);
-
   /// runOnFunction - Virtual method overriden by subclasses to do the
   /// per-function processing of the pass.
   ///
   virtual bool runOnFunction(Function &F) = 0;
 
-  /// doFinalization - Virtual method overriden by subclasses to do any post
-  /// processing needed after all passes have run.
-  ///
-  virtual bool doFinalization(Module &);
-
   virtual void assignPassManager(PMStack &PMS,
                                  PassManagerType T);
 
@@ -338,10 +328,8 @@ public:
   /// 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
-  /// any necessary per-module initialization.
-  ///
-  virtual bool doInitialization(Module &);
+  using llvm::Pass::doInitialization;
+  using llvm::Pass::doFinalization;
 
   /// doInitialization - Virtual method overridden by BasicBlockPass subclasses
   /// to do any necessary per-function initialization.
@@ -358,11 +346,6 @@ public:
   ///
   virtual bool doFinalization(Function &);
 
-  /// doFinalization - Virtual method overriden by subclasses to do any post
-  /// processing needed after all passes have run.
-  ///
-  virtual bool doFinalization(Module &);
-
   virtual void assignPassManager(PMStack &PMS,
                                  PassManagerType T);