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author | Evan Cheng <evan.cheng@apple.com> | 2010-05-19 22:42:23 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2010-05-19 22:42:23 +0000 |
commit | 70e506e18a3dfbd8e4297a7c8a36c179f0474277 (patch) | |
tree | b9ee3b7acd2494c5166350b1e10e24516ea7b3c1 /llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | |
parent | a08130864e651958959c6e01a476de66229f2aed (diff) | |
download | bcm5719-llvm-70e506e18a3dfbd8e4297a7c8a36c179f0474277.tar.gz bcm5719-llvm-70e506e18a3dfbd8e4297a7c8a36c179f0474277.zip |
Code clean up.
llvm-svn: 104173
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp index 76e47718f50..68d0c804d82 100644 --- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp @@ -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 |