[llvm-commits] [llvm] r104173 - /llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp

[Evan Cheng]

Author: evancheng
Date: Wed May 19 17:42:23 2010
New Revision: 104173

URL: http://llvm.org/viewvc/llvm-project?rev=104173&view=rev
Log:
Code clean up.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp?rev=104173&r1=104172&r2=104173&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp Wed May 19 17:42:23 2010
@@ -217,9 +217,6 @@
   // 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 @@
     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::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