Remove some old experimental code that is no longer needed. Remove additional, speculative scheduling pass as its cost did not translate into significant performance improvement. Minor tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89471 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 12 deletions

diff --git a/lib/CodeGen/LatencyPriorityQueue.cpp b/lib/CodeGen/LatencyPriorityQueue.cpp
index 23dce4a91a..f1bd573543 100644
--- a/lib/CodeGen/LatencyPriorityQueue.cpp
+++ b/lib/CodeGen/LatencyPriorityQueue.cpp
@@ -55,10 +55,6 @@ SUnit *LatencyPriorityQueue::getSingleUnscheduledPred(SUnit *SU) {
   SUnit *OnlyAvailablePred = 0;
   for (SUnit::const_pred_iterator I = SU->Preds.begin(), E = SU->Preds.end();
        I != E; ++I) {
-    if (IgnoreAntiDep && 
-        ((I->getKind() == SDep::Anti) || (I->getKind() == SDep::Output))) 
-      continue;
-
     SUnit &Pred = *I->getSUnit();
     if (!Pred.isScheduled) {
       // We found an available, but not scheduled, predecessor.  If it's the
@@ -78,10 +74,6 @@ void LatencyPriorityQueue::push_impl(SUnit *SU) {
   unsigned NumNodesBlocking = 0;
   for (SUnit::const_succ_iterator I = SU->Succs.begin(), E = SU->Succs.end();
        I != E; ++I) {
-    if (IgnoreAntiDep && 
-        ((I->getKind() == SDep::Anti) || (I->getKind() == SDep::Output))) 
-      continue;
-
     if (getSingleUnscheduledPred(I->getSUnit()) == SU)
       ++NumNodesBlocking;
   }
@@ -98,10 +90,6 @@ void LatencyPriorityQueue::push_impl(SUnit *SU) {
 void LatencyPriorityQueue::ScheduledNode(SUnit *SU) {
   for (SUnit::const_succ_iterator I = SU->Succs.begin(), E = SU->Succs.end();
        I != E; ++I) {
-    if (IgnoreAntiDep && 
-        ((I->getKind() == SDep::Anti) || (I->getKind() == SDep::Output))) 
-      continue;
-
     AdjustPriorityOfUnscheduledPreds(I->getSUnit());
   }
 }