Clone and restore the module being reduced in

[oota-llvm.git] / tools / bugpoint / ExtractFunction.cpp

diff --git a/tools/bugpoint/ExtractFunction.cpp b/tools/bugpoint/ExtractFunction.cpp
index c5aa6b43530534ec8fde4e3778ba536302f9c02a..d5611b58ae20c77ee9b99832ef960d7e2d4cddb9 100644 (file)
--- a/tools/bugpoint/ExtractFunction.cpp
+++ b/tools/bugpoint/ExtractFunction.cpp
@@ -201,7 +201,7 @@ static Constant *GetTorInit(std::vector<std::pair<Function*, int> > &TorList) {
 /// static ctors/dtors, we need to add an llvm.global_[cd]tors global to M2, and
 /// prune appropriate entries out of M1s list.
 static void SplitStaticCtorDtor(const char *GlobalName, Module *M1, Module *M2,
-                                DenseMap<const Value*, Value*> ValueMap) {
+                                ValueMap<const Value*, Value*> VMap) {
   GlobalVariable *GV = M1->getNamedGlobal(GlobalName);
   if (!GV || GV->isDeclaration() || GV->hasLocalLinkage() ||
       !GV->use_empty()) return;
@@ -229,7 +229,7 @@ static void SplitStaticCtorDtor(const char *GlobalName, Module *M1, Module *M2,
           M1Tors.push_back(std::make_pair(F, Priority));
         else {
           // Map to M2's version of the function.
-          F = cast<Function>(ValueMap[F]);
+          F = cast<Function>(VMap[F]);
           M2Tors.push_back(std::make_pair(F, Priority));
         }
       }
@@ -264,7 +264,7 @@ static void SplitStaticCtorDtor(const char *GlobalName, Module *M1, Module *M2,
 Module *
 llvm::SplitFunctionsOutOfModule(Module *M,
                                 const std::vector<Function*> &F,
-                                DenseMap<const Value*, Value*> &ValueMap) {
+                                ValueMap<const Value*, Value*> &VMap) {
   // Make sure functions & globals are all external so that linkage
   // between the two modules will work.
   for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
@@ -276,8 +276,8 @@ llvm::SplitFunctionsOutOfModule(Module *M,
     I->setLinkage(GlobalValue::ExternalLinkage);
   }
 
-  DenseMap<const Value*, Value*> NewValueMap;
-  Module *New = CloneModule(M, NewValueMap);
+  ValueMap<const Value*, Value*> NewVMap;
+  Module *New = CloneModule(M, NewVMap);
 
   // Make sure global initializers exist only in the safe module (CBE->.so)
   for (Module::global_iterator I = New->global_begin(), E = New->global_end();
@@ -287,11 +287,11 @@ llvm::SplitFunctionsOutOfModule(Module *M,
   // Remove the Test functions from the Safe module
   std::set<Function *> TestFunctions;
   for (unsigned i = 0, e = F.size(); i != e; ++i) {
-    Function *TNOF = cast<Function>(ValueMap[F[i]]);
+    Function *TNOF = cast<Function>(VMap[F[i]]);
     DEBUG(errs() << "Removing function ");
     DEBUG(WriteAsOperand(errs(), TNOF, false));
     DEBUG(errs() << "\n");
-    TestFunctions.insert(cast<Function>(NewValueMap[TNOF]));
+    TestFunctions.insert(cast<Function>(NewVMap[TNOF]));
     DeleteFunctionBody(TNOF);       // Function is now external in this module!
   }
 
@@ -304,8 +304,8 @@ llvm::SplitFunctionsOutOfModule(Module *M,
 
   // Make sure that there is a global ctor/dtor array in both halves of the
   // module if they both have static ctor/dtor functions.
-  SplitStaticCtorDtor("llvm.global_ctors", M, New, NewValueMap);
-  SplitStaticCtorDtor("llvm.global_dtors", M, New, NewValueMap);
+  SplitStaticCtorDtor("llvm.global_ctors", M, New, NewVMap);
+  SplitStaticCtorDtor("llvm.global_dtors", M, New, NewVMap);
   
   return New;
 }