Output a bit more information in the debug printing for MBP. This was

useful when analyzing parts of zlib's behavior here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195588 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineBlockPlacement.cpp b/lib/CodeGen/MachineBlockPlacement.cpp
index 00a309972a52caef715a6408e5eaee5543ccab4e..7eec164f148d6848f7bcdfce80b57d98ee354d6e 100644 (file)
--- a/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/lib/CodeGen/MachineBlockPlacement.cpp
@@ -367,7 +367,8 @@ MachineBasicBlock *MachineBlockPlacement::selectBestSuccessor(
     // any CFG constraints.
     if (SuccChain.LoopPredecessors != 0) {
       if (SuccProb < HotProb) {
     // any CFG constraints.
     if (SuccChain.LoopPredecessors != 0) {
       if (SuccProb < HotProb) {

-        DEBUG(dbgs() << "    " << getBlockName(*SI) << " -> CFG conflict\n");
+        DEBUG(dbgs() << "    " << getBlockName(*SI) << " -> " << SuccProb
+                     << " (prob) (CFG conflict)\n");

         continue;
       }
 
         continue;
       }
 


@@ -390,8 +391,8 @@ MachineBasicBlock *MachineBlockPlacement::selectBestSuccessor(
         }
       }
       if (BadCFGConflict) {
         }
       }
       if (BadCFGConflict) {

-        DEBUG(dbgs() << "    " << getBlockName(*SI)
-                               << " -> non-cold CFG conflict\n");
+        DEBUG(dbgs() << "    " << getBlockName(*SI) << " -> " << SuccProb
+                     << " (prob) (non-cold CFG conflict)\n");

         continue;
       }
     }
         continue;
       }
     }