misched: Initial code for building an MI level scheduling DAG

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148174 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/ScheduleDAG.cpp b/lib/CodeGen/ScheduleDAG.cpp
index e829668..f92c72a 100644
--- a/lib/CodeGen/ScheduleDAG.cpp
+++ b/lib/CodeGen/ScheduleDAG.cpp
@@ -321,7 +321,7 @@
         dbgs() << " *";
       dbgs() << ": Latency=" << I->getLatency();
       if (I->isAssignedRegDep())
-        dbgs() << " Reg=" << G->TRI->getName(I->getReg());
+        dbgs() << " Reg=" << PrintReg(I->getReg());
       dbgs() << "\n";
     }
   }