X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FSelectionDAG%2FScheduleDAGFast.cpp;h=b7c47db58e27ac4666559703963370040bf93229;hb=2766a47310b05228e9bbc536d9f3a593fc31cd12;hp=2ae08692ae11bc60d421311c7e0eaedbaa9be90d;hpb=63a4c24616fafa2b86d6391308ffd93e012115e4;p=oota-llvm.git

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
index 2ae08692ae1..b7c47db58e2 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGFast.cpp
@@ -12,20 +12,20 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "pre-RA-sched"
-#include "ScheduleDAGSDNodes.h"
-#include "InstrEmitter.h"
-#include "llvm/InlineAsm.h"
 #include "llvm/CodeGen/SchedulerRegistry.h"
+#include "InstrEmitter.h"
+#include "ScheduleDAGSDNodes.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallSet.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/CodeGen/SelectionDAGISel.h"
-#include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/DataLayout.h"
-#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/InlineAsm.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/ADT/SmallSet.h"
-#include "llvm/ADT/Statistic.h"
-#include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetRegisterInfo.h"
 using namespace llvm;
 
 STATISTIC(NumUnfolds,    "Number of nodes unfolded");
@@ -336,7 +336,9 @@ SUnit *ScheduleDAGFast::CopyAndMoveSuccessors(SUnit *SU) {
       }
     }
     if (isNewLoad) {
-      AddPred(NewSU, SDep(LoadSU, SDep::Order, LoadSU->Latency));
+      SDep D(LoadSU, SDep::Barrier);
+      D.setLatency(LoadSU->Latency);
+      AddPred(NewSU, D);
     }
 
     ++NumUnfolds;
@@ -412,9 +414,12 @@ void ScheduleDAGFast::InsertCopiesAndMoveSuccs(SUnit *SU, unsigned Reg,
   for (unsigned i = 0, e = DelDeps.size(); i != e; ++i) {
     RemovePred(DelDeps[i].first, DelDeps[i].second);
   }
-
-  AddPred(CopyFromSU, SDep(SU, SDep::Data, SU->Latency, Reg));
-  AddPred(CopyToSU, SDep(CopyFromSU, SDep::Data, CopyFromSU->Latency, 0));
+  SDep FromDep(SU, SDep::Data, Reg);
+  FromDep.setLatency(SU->Latency);
+  AddPred(CopyFromSU, FromDep);
+  SDep ToDep(CopyFromSU, SDep::Data, 0);
+  ToDep.setLatency(CopyFromSU->Latency);
+  AddPred(CopyToSU, ToDep);
 
   Copies.push_back(CopyFromSU);
   Copies.push_back(CopyToSU);
@@ -591,18 +596,14 @@ void ScheduleDAGFast::ListScheduleBottomUp() {
           InsertCopiesAndMoveSuccs(LRDef, Reg, DestRC, RC, Copies);
           DEBUG(dbgs() << "Adding an edge from SU # " << TrySU->NodeNum
                        << " to SU #" << Copies.front()->NodeNum << "\n");
-          AddPred(TrySU, SDep(Copies.front(), SDep::Order, /*Latency=*/1,
-                              /*Reg=*/0, /*isNormalMemory=*/false,
-                              /*isMustAlias=*/false, /*isArtificial=*/true));
+          AddPred(TrySU, SDep(Copies.front(), SDep::Artificial));
           NewDef = Copies.back();
         }
 
         DEBUG(dbgs() << "Adding an edge from SU # " << NewDef->NodeNum
                      << " to SU #" << TrySU->NodeNum << "\n");
         LiveRegDefs[Reg] = NewDef;
-        AddPred(NewDef, SDep(TrySU, SDep::Order, /*Latency=*/1,
-                             /*Reg=*/0, /*isNormalMemory=*/false,
-                             /*isMustAlias=*/false, /*isArtificial=*/true));
+        AddPred(NewDef, SDep(TrySU, SDep::Artificial));
         TrySU->isAvailable = false;
         CurSU = NewDef;
       }