Add a getName function to MachineFunction. Use it in places that previously did getFunction()->getName(). Remove includes of Function.h that are no longer needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162347 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ExpandPostRAPseudos.cpp b/lib/CodeGen/ExpandPostRAPseudos.cpp
index 7a17331..99b605d 100644
--- a/lib/CodeGen/ExpandPostRAPseudos.cpp
+++ b/lib/CodeGen/ExpandPostRAPseudos.cpp
@@ -14,7 +14,6 @@
 
 #define DEBUG_TYPE "postrapseudos"
 #include "llvm/CodeGen/Passes.h"
-#include "llvm/Function.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
@@ -191,7 +190,7 @@
   DEBUG(dbgs() << "Machine Function\n"
                << "********** EXPANDING POST-RA PSEUDO INSTRS **********\n"
                << "********** Function: "
-               << MF.getFunction()->getName() << '\n');
+               << MF.getName() << '\n');
   TRI = MF.getTarget().getRegisterInfo();
   TII = MF.getTarget().getInstrInfo();