diff options
Diffstat (limited to 'llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp index 17b50bd9559..b8cea27e515 100644 --- a/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp +++ b/llvm/lib/CodeGen/AggressiveAntiDepBreaker.cpp @@ -285,7 +285,7 @@ static void AntiDepPathStep(SUnit *SU, AntiDepBreaker::AntiDepRegVector& Regs, for (SUnit::pred_iterator P = SU->Preds.begin(), PE = SU->Preds.end(); P != PE; ++P) { - if (P->getKind() == SDep::Anti) { + if ((P->getKind() == SDep::Anti) || (P->getKind() == SDep::Output)) { unsigned Reg = P->getReg(); if (RegSet.count(Reg) != 0) { Edges.push_back(&*P); @@ -716,7 +716,8 @@ unsigned AggressiveAntiDepBreaker::BreakAntiDependencies( SDep *Edge = Edges[i]; SUnit *NextSU = Edge->getSUnit(); - if (Edge->getKind() != SDep::Anti) continue; + if ((Edge->getKind() != SDep::Anti) && + (Edge->getKind() != SDep::Output)) continue; unsigned AntiDepReg = Edge->getReg(); DEBUG(errs() << "\tAntidep reg: " << TRI->getName(AntiDepReg)); |
