diff options
| -rw-r--r-- | lib/CodeGen/MachineScheduler.cpp | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp index f1a2532..9f67d6d 100644 --- a/lib/CodeGen/MachineScheduler.cpp +++ b/lib/CodeGen/MachineScheduler.cpp @@ -306,6 +306,7 @@ public: protected: void moveInstruction(MachineInstr *MI, MachineBasicBlock::iterator InsertPos); + bool checkSchedLimit(); void releaseSucc(SUnit *SU, SDep *SuccEdge); void releaseSuccessors(SUnit *SU); @@ -374,6 +375,17 @@ void ScheduleDAGMI::moveInstruction(MachineInstr *MI, RegionBegin = MI; } +bool ScheduleDAGMI::checkSchedLimit() { +#ifndef NDEBUG + if (NumInstrsScheduled == MISchedCutoff && MISchedCutoff != ~0U) { + CurrentTop = CurrentBottom; + return false; + } + ++NumInstrsScheduled; +#endif + return true; +} + /// schedule - Called back from MachineScheduler::runOnMachineFunction /// after setting up the current scheduling region. void ScheduleDAGMI::schedule() { @@ -406,18 +418,10 @@ void ScheduleDAGMI::schedule() { CurrentBottom = RegionEnd; bool IsTopNode = false; while (SUnit *SU = SchedImpl->pickNode(IsTopNode)) { - -#ifndef NDEBUG - // Enable break - if (NumInstrsScheduled == MISchedCutoff && MISchedCutoff != ~0U) { - CurrentTop = CurrentBottom; - break; - } - ++NumInstrsScheduled; -#endif - DEBUG(dbgs() << "*** " << (IsTopNode ? "Top" : "Bottom") << " Scheduling Instruction:\n"; SU->dump(this)); + if (!checkSchedLimit()) + break; // Move the instruction to its new location in the instruction stream. MachineInstr *MI = SU->getInstr(); |