From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 19 May 2010 22:42:23 +0000 (+0000)
Subject: Code clean up.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e163168aab987dc3df0845b9e92310f764d8b158;p=oota-llvm.git

Code clean up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104173 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
index 76e47718f50..68d0c804d82 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
+++ b/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