Revert Chris' commits up to r149348 that started causing VMCoreTests unit test to fail.

These are:

r149348
r149351
r149352
r149354
r149356
r149357
r149361
r149362
r149364
r149365

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149470 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/bugpoint/Miscompilation.cpp b/tools/bugpoint/Miscompilation.cpp
index 82a3a86..7ff16db 100644
--- a/tools/bugpoint/Miscompilation.cpp
+++ b/tools/bugpoint/Miscompilation.cpp
@@ -820,8 +820,7 @@
       // Don't forward functions which are external in the test module too.
       if (TestFn && !TestFn->isDeclaration()) {
         // 1. Add a string constant with its name to the global file
-        Constant *InitArray =
-          ConstantDataArray::getString(F->getContext(), F->getName());
+        Constant *InitArray = ConstantArray::get(F->getContext(), F->getName());
         GlobalVariable *funcName =
           new GlobalVariable(*Safe, InitArray->getType(), true /*isConstant*/,
                              GlobalValue::InternalLinkage, InitArray,
diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index 8ce8cd2..af5a0a6 100644
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -190,9 +190,9 @@
     Constant *op = ce->getOperand(0);
     if (GlobalVariable *gvn = dyn_cast<GlobalVariable>(op)) {
       Constant *cn = gvn->getInitializer();
-      if (ConstantDataArray *ca = dyn_cast<ConstantDataArray>(cn)) {
+      if (ConstantArray *ca = dyn_cast<ConstantArray>(cn)) {
         if (ca->isCString()) {
-          name = ".objc_class_name_" + ca->getAsCString().str();
+          name = ".objc_class_name_" + ca->getAsCString();
           return true;
         }
       }