diff options
Diffstat (limited to 'lib/CodeGen/TargetSchedule.cpp')
| -rw-r--r-- | lib/CodeGen/TargetSchedule.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/CodeGen/TargetSchedule.cpp b/lib/CodeGen/TargetSchedule.cpp index 64ee9d1..b0f2ca6 100644 --- a/lib/CodeGen/TargetSchedule.cpp +++ b/lib/CodeGen/TargetSchedule.cpp @@ -210,7 +210,8 @@ unsigned TargetSchedModel::computeOperandLatency( // unit latency (defaultDefLatency may be too conservative). #ifndef NDEBUG if (SCDesc->isValid() && !DefMI->getOperand(DefOperIdx).isImplicit() - && !DefMI->getDesc().OpInfo[DefOperIdx].isOptionalDef()) { + && !DefMI->getDesc().OpInfo[DefOperIdx].isOptionalDef() + && SchedModel.isComplete()) { std::string Err; raw_string_ostream ss(Err); ss << "DefIdx " << DefIdx << " exceeds machine model writes for " @@ -224,10 +225,13 @@ unsigned TargetSchedModel::computeOperandLatency( return DefMI->isTransient() ? 0 : TII->defaultDefLatency(&SchedModel, DefMI); } -unsigned TargetSchedModel::computeInstrLatency(const MachineInstr *MI) const { +unsigned +TargetSchedModel::computeInstrLatency(const MachineInstr *MI, + bool UseDefaultDefLatency) const { // For the itinerary model, fall back to the old subtarget hook. // Allow subtargets to compute Bundle latencies outside the machine model. - if (hasInstrItineraries() || MI->isBundle()) + if (hasInstrItineraries() || MI->isBundle() || + (!hasInstrSchedModel() && !UseDefaultDefLatency)) return TII->getInstrLatency(&InstrItins, MI); if (hasInstrSchedModel()) { |