Created __builtin___NSStringMakeConstantString() builtin, which generates constant Objective-C strings.

llvm-svn: 94274
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index 5ecc30e..cf504a7 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -67,6 +67,15 @@
   delete DebugInfo;
 }
 
+void CodeGenModule::createObjCRuntime() {
+  if (!Features.NeXTRuntime)
+    Runtime = CreateGNUObjCRuntime(*this);
+  else if (Features.ObjCNonFragileABI)
+    Runtime = CreateMacNonFragileABIObjCRuntime(*this);
+  else
+    Runtime = CreateMacObjCRuntime(*this);
+}
+
 void CodeGenModule::Release() {
   EmitDeferred();
   EmitCXXGlobalInitFunc();