Simplify debug output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148723 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineLICM.cpp b/lib/CodeGen/MachineLICM.cpp
index 30c93f8..b9028ec 100644
--- a/lib/CodeGen/MachineLICM.cpp
+++ b/lib/CodeGen/MachineLICM.cpp
@@ -582,16 +582,8 @@
 
   // Now move the instructions to the predecessor, inserting it before any
   // terminator instructions.
-  DEBUG({
-      dbgs() << "Hoisting " << *MI;
-      if (Preheader->getBasicBlock())
-        dbgs() << " to MachineBasicBlock "
-               << Preheader->getName();
-      if (MI->getParent()->getBasicBlock())
-        dbgs() << " from MachineBasicBlock "
-               << MI->getParent()->getName();
-      dbgs() << "\n";
-    });
+  DEBUG(dbgs() << "Hoisting to BB#" << Preheader->getNumber() << " from BB#"
+               << MI->getParent()->getNumber() << ": " << *MI);
 
   // Splice the instruction to the preheader.
   MachineBasicBlock *MBB = MI->getParent();