diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp index 628a2a87ee..f17fe23fc7 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGList.cpp @@ -108,17 +108,17 @@ void ScheduleDAGList::Schedule() { /// the PendingQueue if the count reaches zero. Also update its cycle bound. void ScheduleDAGList::ReleaseSucc(SUnit *SU, const SDep &D) { SUnit *SuccSU = D.getSUnit(); - --SuccSU->NumPredsLeft; - + #ifndef NDEBUG - if (SuccSU->NumPredsLeft < 0) { + if (SuccSU->NumPredsLeft == 0) { errs() << "*** Scheduling failed! ***\n"; SuccSU->dump(this); errs() << " has been released too many times!\n"; llvm_unreachable(0); } #endif - + --SuccSU->NumPredsLeft; + SuccSU->setDepthToAtLeast(SU->getDepth() + D.getLatency()); // If all the node's predecessors are scheduled, this node is ready |