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/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 4e5e3ba..3e40a45 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -554,7 +554,7 @@
 #endif
   {
     BlockNumber = FuncInfo->MBB->getNumber();
-    BlockName = MF->getFunction()->getName().str() + ":" +
+    BlockName = MF->getName().str() + ":" +
                 FuncInfo->MBB->getBasicBlock()->getName().str();
   }
   DEBUG(dbgs() << "Initial selection DAG: BB#" << BlockNumber
@@ -2981,7 +2981,7 @@
       N->getOpcode() != ISD::INTRINSIC_WO_CHAIN &&
       N->getOpcode() != ISD::INTRINSIC_VOID) {
     N->printrFull(Msg, CurDAG);
-    Msg << "\nIn function: " << MF->getFunction()->getName();
+    Msg << "\nIn function: " << MF->getName();
   } else {
     bool HasInputChain = N->getOperand(0).getValueType() == MVT::Other;
     unsigned iid =