diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBlockPlacement.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp index c190b2a66c6..c7d9212e7c9 100644 --- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp +++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp @@ -466,7 +466,8 @@ MachineBlockPlacement::selectBestSuccessor(MachineBasicBlock *BB, MBFI->getBlockFreq(BB) * RealSuccProb * HotProb.getCompl(); bool BadCFGConflict = false; for (MachineBasicBlock *Pred : Succ->predecessors()) { - if (Pred == Succ || (BlockFilter && !BlockFilter->count(Pred)) || + if (Pred == Succ || BlockToChain[Pred] == &SuccChain || + (BlockFilter && !BlockFilter->count(Pred)) || BlockToChain[Pred] == &Chain) continue; BlockFrequency PredEdgeFreq = |
