[MBP] show function name in debug dump

llvm-svn: 273744
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
index 3d51d46..9d6682e 100644
--- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
@@ -1487,6 +1487,7 @@
 
   // Splice the blocks into place.
   MachineFunction::iterator InsertPos = F->begin();
+  DEBUG(dbgs() << "[MBP] Function: "<< F->getName() << "\n");
   for (MachineBasicBlock *ChainBB : FunctionChain) {
     DEBUG(dbgs() << (ChainBB == *FunctionChain.begin() ? "Placing chain "
                                                        : "          ... ")