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/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index d0cff48..eca3adb 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -24,7 +24,6 @@
 #include "VirtRegMap.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Function.h"
 #include "llvm/PassAnalysisSupport.h"
 #include "llvm/CodeGen/CalcSpillWeights.h"
 #include "llvm/CodeGen/EdgeBundles.h"
@@ -1747,7 +1746,7 @@
 bool RAGreedy::runOnMachineFunction(MachineFunction &mf) {
   DEBUG(dbgs() << "********** GREEDY REGISTER ALLOCATION **********\n"
                << "********** Function: "
-               << mf.getFunction()->getName() << '\n');
+               << mf.getName() << '\n');
 
   MF = &mf;
   if (VerifyEnabled)