Replace more a*'s with arg_*'s, thanks to Gabor Greif!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20615 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/ExtractFunction.cpp b/tools/bugpoint/ExtractFunction.cpp
index 0eecc49..1c7225d 100644
--- a/tools/bugpoint/ExtractFunction.cpp
+++ b/tools/bugpoint/ExtractFunction.cpp
@@ -183,13 +183,13 @@
   // between the two modules will work.
   for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
     I->setLinkage(GlobalValue::ExternalLinkage);
-  for (Module::giterator I = M->gbegin(), E = M->gend(); I != E; ++I)
+  for (Module::global_iterator I = M->global_begin(), E = M->global_end(); I != E; ++I)
     I->setLinkage(GlobalValue::ExternalLinkage);
 
   Module *New = CloneModule(M);
 
   // Make sure global initializers exist only in the safe module (CBE->.so)
-  for (Module::giterator I = New->gbegin(), E = New->gend(); I != E; ++I)
+  for (Module::global_iterator I = New->global_begin(), E = New->global_end(); I != E; ++I)
     I->setInitializer(0);  // Delete the initializer to make it external
 
   // Remove the Test functions from the Safe module