X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FScheduleDAG.cpp;h=76a7fef58fccfa5f0f143acf997bb81492e1dd34;hb=f3d745cdc916df5a5db78ac0a5c0efbd8925c097;hp=45b4f68570b1ed167c8d8215c4d311dbfa24d9d4;hpb=81474e98e10565e2ee0ad257ddc9469217520711;p=oota-llvm.git

diff --git a/lib/CodeGen/ScheduleDAG.cpp b/lib/CodeGen/ScheduleDAG.cpp
index 45b4f68570b..76a7fef58fc 100644
--- a/lib/CodeGen/ScheduleDAG.cpp
+++ b/lib/CodeGen/ScheduleDAG.cpp
@@ -12,7 +12,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#define DEBUG_TYPE "pre-RA-sched"
 #include "llvm/CodeGen/ScheduleDAG.h"
 #include "llvm/CodeGen/ScheduleHazardRecognizer.h"
 #include "llvm/CodeGen/SelectionDAGNodes.h"
@@ -22,9 +21,12 @@
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 #include <climits>
 using namespace llvm;
 
+#define DEBUG_TYPE "pre-RA-sched"
+
 #ifndef NDEBUG
 static cl::opt<bool> StressSchedOpt(
   "stress-sched", cl::Hidden, cl::init(false),
@@ -34,11 +36,9 @@ static cl::opt<bool> StressSchedOpt(
 void SchedulingPriorityQueue::anchor() { }
 
 ScheduleDAG::ScheduleDAG(MachineFunction &mf)
-  : TM(mf.getTarget()),
-    TII(TM.getInstrInfo()),
-    TRI(TM.getRegisterInfo()),
-    MF(mf), MRI(mf.getRegInfo()),
-    EntrySU(), ExitSU() {
+    : TM(mf.getTarget()), TII(mf.getSubtarget().getInstrInfo()),
+      TRI(mf.getSubtarget().getRegisterInfo()), MF(mf),
+      MRI(mf.getRegInfo()), EntrySU(), ExitSU() {
 #ifndef NDEBUG
   StressSched = StressSchedOpt;
 #endif
@@ -55,7 +55,7 @@ void ScheduleDAG::clearDAG() {
 
 /// getInstrDesc helper to handle SDNodes.
 const MCInstrDesc *ScheduleDAG::getNodeDesc(const SDNode *Node) const {
-  if (!Node || !Node->isMachineOpcode()) return NULL;
+  if (!Node || !Node->isMachineOpcode()) return nullptr;
   return &TII->get(Node->getMachineOpcode());
 }
 
@@ -63,9 +63,9 @@ const MCInstrDesc *ScheduleDAG::getNodeDesc(const SDNode *Node) const {
 /// not already.  It also adds the current node as a successor of the
 /// specified node.
 bool SUnit::addPred(const SDep &D, bool Required) {
-  // If this node already has this depenence, don't add a redundant one.
-  for (SmallVector<SDep, 4>::iterator I = Preds.begin(), E = Preds.end();
-       I != E; ++I) {
+  // If this node already has this dependence, don't add a redundant one.
+  for (SmallVectorImpl<SDep>::iterator I = Preds.begin(), E = Preds.end();
+         I != E; ++I) {
     // Zero-latency weak edges may be added purely for heuristic ordering. Don't
     // add them if another kind of edge already exists.
     if (!Required && I->getSUnit() == D.getSUnit())
@@ -77,7 +77,7 @@ bool SUnit::addPred(const SDep &D, bool Required) {
         // Find the corresponding successor in N.
         SDep ForwardD = *I;
         ForwardD.setSUnit(this);
-        for (SmallVector<SDep, 4>::iterator II = PredSU->Succs.begin(),
+        for (SmallVectorImpl<SDep>::iterator II = PredSU->Succs.begin(),
                EE = PredSU->Succs.end(); II != EE; ++II) {
           if (*II == ForwardD) {
             II->setLatency(D.getLatency());
@@ -132,8 +132,8 @@ bool SUnit::addPred(const SDep &D, bool Required) {
 /// the specified node.
 void SUnit::removePred(const SDep &D) {
   // Find the matching predecessor.
-  for (SmallVector<SDep, 4>::iterator I = Preds.begin(), E = Preds.end();
-       I != E; ++I)
+  for (SmallVectorImpl<SDep>::iterator I = Preds.begin(), E = Preds.end();
+         I != E; ++I)
     if (*I == D) {
       // Find the corresponding successor in N.
       SDep P = D;
@@ -301,8 +301,8 @@ void SUnit::biasCriticalPath() {
 
   SUnit::pred_iterator BestI = Preds.begin();
   unsigned MaxDepth = BestI->getSUnit()->getDepth();
-  for (SUnit::pred_iterator
-         I = llvm::next(BestI), E = Preds.end(); I != E; ++I) {
+  for (SUnit::pred_iterator I = std::next(BestI), E = Preds.end(); I != E;
+       ++I) {
     if (I->getKind() == SDep::Data && I->getSUnit()->getDepth() > MaxDepth)
       BestI = I;
   }
@@ -329,8 +329,8 @@ void SUnit::dumpAll(const ScheduleDAG *G) const {
     dbgs() << "  # weak succs left  : " << WeakSuccsLeft << "\n";
   dbgs() << "  # rdefs left       : " << NumRegDefsLeft << "\n";
   dbgs() << "  Latency            : " << Latency << "\n";
-  dbgs() << "  Depth              : " << Depth << "\n";
-  dbgs() << "  Height             : " << Height << "\n";
+  dbgs() << "  Depth              : " << getDepth() << "\n";
+  dbgs() << "  Height             : " << getHeight() << "\n";
 
   if (Preds.size() != 0) {
     dbgs() << "  Predecessors:\n";
@@ -367,6 +367,8 @@ void SUnit::dumpAll(const ScheduleDAG *G) const {
       if (I->isArtificial())
         dbgs() << " *";
       dbgs() << ": Latency=" << I->getLatency();
+      if (I->isAssignedRegDep())
+        dbgs() << " Reg=" << PrintReg(I->getReg(), G->TRI);
       dbgs() << "\n";
     }
   }