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| author | Chandler Carruth <chandlerc@gmail.com> | 2013-11-25 00:43:41 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2013-11-25 00:43:41 +0000 |
| commit | b63fdecbacc05470c0f87de7b9979720b5215355 (patch) | |
| tree | c89598a738f0793d6f16e735c1611c5ffae74299 /lib/CodeGen/MachineBlockPlacement.cpp | |
| parent | 2fee935bbaa72bc0f438378156f6f741a9ab9662 (diff) | |
| download | llvm-b63fdecbacc05470c0f87de7b9979720b5215355.tar.gz llvm-b63fdecbacc05470c0f87de7b9979720b5215355.tar.bz2 llvm-b63fdecbacc05470c0f87de7b9979720b5215355.tar.xz | |
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
Diffstat (limited to 'lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | lib/CodeGen/MachineBlockPlacement.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/MachineBlockPlacement.cpp b/lib/CodeGen/MachineBlockPlacement.cpp index 00a309972a..7eec164f14 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; } } |