[C++] Use 'nullptr'. Transforms edition.

llvm-svn: 207196
diff --git a/llvm/lib/Transforms/Utils/CloneModule.cpp b/llvm/lib/Transforms/Utils/CloneModule.cpp
index 64df089..5d180a54 100644
--- a/llvm/lib/Transforms/Utils/CloneModule.cpp
+++ b/llvm/lib/Transforms/Utils/CloneModule.cpp
@@ -47,8 +47,8 @@
     GlobalVariable *GV = new GlobalVariable(*New, 
                                             I->getType()->getElementType(),
                                             I->isConstant(), I->getLinkage(),
-                                            (Constant*) 0, I->getName(),
-                                            (GlobalVariable*) 0,
+                                            (Constant*) nullptr, I->getName(),
+                                            (GlobalVariable*) nullptr,
                                             I->getThreadLocalMode(),
                                             I->getType()->getAddressSpace());
     GV->copyAttributesFrom(I);
@@ -68,7 +68,7 @@
   for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
        I != E; ++I) {
     GlobalAlias *GA = new GlobalAlias(I->getType(), I->getLinkage(),
-                                      I->getName(), NULL, New);
+                                      I->getName(), nullptr, New);
     GA->copyAttributesFrom(I);
     VMap[I] = GA;
   }