Remove all remaining uses of Value::getNameStr().

llvm-svn: 144648
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 64eae7b..0c89a57 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -335,7 +335,7 @@
   DOTGraphTraits (bool isSimple=false) : DefaultDOTGraphTraits(isSimple) {}
 
     static std::string getGraphName(const MachineFunction *F) {
-      return "CFG for '" + F->getFunction()->getNameStr() + "' function";
+      return "CFG for '" + F->getFunction()->getName().str() + "' function";
     }
 
     std::string getNodeLabel(const MachineBasicBlock *Node,