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Code clean up.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104173 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2010-05-19 22:42:23 +00:00
parent 461a646a03
commit e163168aab
1 changed files with 7 additions and 7 deletions
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14
lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
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@ -217,9 +217,6 @@ void ScheduleDAGSDNodes::BuildSchedUnits() {
// This is a temporary workaround.
SUnits.reserve(NumNodes * 2);
// Check to see if the scheduler cares about latencies.
bool UnitLatencies = ForceUnitLatencies();
// Add all nodes in depth first order.
SmallVector<SDNode*, 64> Worklist;
SmallPtrSet<SDNode*, 64> Visited;
@ -282,10 +279,7 @@ void ScheduleDAGSDNodes::BuildSchedUnits() {
N->setNodeId(NodeSUnit->NodeNum);
// Assign the Latency field of NodeSUnit using target-provided information.
if (UnitLatencies)
NodeSUnit->Latency = 1;
else
ComputeLatency(NodeSUnit);
ComputeLatency(NodeSUnit);
}
}
@ -377,6 +371,12 @@ void ScheduleDAGSDNodes::BuildSchedGraph(AliasAnalysis *AA) {
}
void ScheduleDAGSDNodes::ComputeLatency(SUnit *SU) {
// Check to see if the scheduler cares about latencies.
if (ForceUnitLatencies()) {
SU->Latency = 1;
return;
}
const InstrItineraryData &InstrItins = TM.getInstrItineraryData();
// Compute the latency for the node. We use the sum of the latencies for