include equal sign in debug equations; NFC

llvm-svn: 249248
diff --git a/llvm/lib/CodeGen/MachineCombiner.cpp b/llvm/lib/CodeGen/MachineCombiner.cpp
index 3a20d15..89e0c7b 100644
--- a/llvm/lib/CodeGen/MachineCombiner.cpp
+++ b/llvm/lib/CodeGen/MachineCombiner.cpp
@@ -249,9 +249,9 @@
                << " NewRootLatency: " << NewRootLatency << "\n";
         dbgs() << " RootDepth: " << RootDepth << " RootLatency: " << RootLatency
                << " RootSlack: " << RootSlack << "\n";
-        dbgs() << " NewRootDepth + NewRootLatency "
+        dbgs() << " NewRootDepth + NewRootLatency = "
                << NewRootDepth + NewRootLatency << "\n";
-        dbgs() << " RootDepth + RootLatency + RootSlack "
+        dbgs() << " RootDepth + RootLatency + RootSlack = "
                << RootDepth + RootLatency + RootSlack << "\n";);
 
   unsigned NewCycleCount = NewRootDepth + NewRootLatency;