Parameterize the performFinalCleanups a bit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7477 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 5 deletions

diff --git a/tools/bugpoint/BugDriver.h b/tools/bugpoint/BugDriver.h
index 40c170a..f86782a 100644
--- a/tools/bugpoint/BugDriver.h
+++ b/tools/bugpoint/BugDriver.h
@@ -147,9 +147,10 @@ private:
 
   /// performFinalCleanups - This method clones the current Program and performs
   /// a series of cleanups intended to get rid of extra cruft on the module
-  /// before handing it to the user...
+  /// before handing it to the user... if the module parameter is specified, it
+  /// operates directly on the specified Module, modifying it in place.
   ///
-  Module *performFinalCleanups() const;
+  Module *performFinalCleanups(Module *M = 0) const;
 
   /// initializeExecutionEnvironment - This method is used to set up the
   /// environment for executing LLVM programs.
diff --git a/tools/bugpoint/ExtractFunction.cpp b/tools/bugpoint/ExtractFunction.cpp
index 1aefcef..525c746 100644
--- a/tools/bugpoint/ExtractFunction.cpp
+++ b/tools/bugpoint/ExtractFunction.cpp
@@ -79,8 +79,8 @@ Module *BugDriver::deleteInstructionFromProgram(Instruction *I,
 /// a series of cleanups intended to get rid of extra cruft on the module
 /// before handing it to the user...
 ///
-Module *BugDriver::performFinalCleanups() const {
-  Module *M = CloneModule(Program);
+Module *BugDriver::performFinalCleanups(Module *InM) const {
+  Module *M = InM ? InM : CloneModule(Program);
 
   // Allow disabling these passes if they crash bugpoint.
   //
@@ -97,7 +97,7 @@ Module *BugDriver::performFinalCleanups() const {
   CleanupPasses.add(createFunctionResolvingPass());
   CleanupPasses.add(createGlobalDCEPass());
   CleanupPasses.add(createDeadTypeEliminationPass());
-  CleanupPasses.add(createDeadArgEliminationPass(true));
+  CleanupPasses.add(createDeadArgEliminationPass(InM == 0));
   CleanupPasses.add(createVerifierPass());
   CleanupPasses.run(*M);
   return M;