From: Chandler Carruth <chandlerc@gmail.com>
Date: Mon, 25 Nov 2013 00:43:41 +0000 (+0000)
Subject: Output a bit more information in the debug printing for MBP. This was
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=b63fdecbacc05470c0f87de7b9979720b5215355

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 00a309972a5..7eec164f148 100644
--- 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) {
-        DEBUG(dbgs() << "    " << getBlockName(*SI) << " -> CFG conflict\n");
+        DEBUG(dbgs() << "    " << getBlockName(*SI) << " -> " << SuccProb
+                     << " (prob) (CFG conflict)\n");
         continue;
       }
 
@@ -390,8 +391,8 @@ MachineBasicBlock *MachineBlockPlacement::selectBestSuccessor(
         }
       }
       if (BadCFGConflict) {
-        DEBUG(dbgs() << "    " << getBlockName(*SI)
-                               << " -> non-cold CFG conflict\n");
+        DEBUG(dbgs() << "    " << getBlockName(*SI) << " -> " << SuccProb
+                     << " (prob) (non-cold CFG conflict)\n");
         continue;
       }
     }