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-rw-r--r--contrib/llvm/lib/CodeGen/PostRASchedulerList.cpp74
1 files changed, 37 insertions, 37 deletions
diff --git a/contrib/llvm/lib/CodeGen/PostRASchedulerList.cpp b/contrib/llvm/lib/CodeGen/PostRASchedulerList.cpp
index f0bd6d1..60c24b7 100644
--- a/contrib/llvm/lib/CodeGen/PostRASchedulerList.cpp
+++ b/contrib/llvm/lib/CodeGen/PostRASchedulerList.cpp
@@ -133,18 +133,12 @@ namespace {
std::vector<unsigned> KillIndices;
public:
- SchedulePostRATDList(MachineFunction &MF,
- const MachineLoopInfo &MLI,
- const MachineDominatorTree &MDT,
- ScheduleHazardRecognizer *HR,
- AntiDepBreaker *ADB,
- AliasAnalysis *aa)
- : ScheduleDAGInstrs(MF, MLI, MDT), Topo(SUnits),
- HazardRec(HR), AntiDepBreak(ADB), AA(aa),
- KillIndices(TRI->getNumRegs()) {}
-
- ~SchedulePostRATDList() {
- }
+ SchedulePostRATDList(
+ MachineFunction &MF, MachineLoopInfo &MLI, MachineDominatorTree &MDT,
+ AliasAnalysis *AA, TargetSubtarget::AntiDepBreakMode AntiDepMode,
+ SmallVectorImpl<TargetRegisterClass*> &CriticalPathRCs);
+
+ ~SchedulePostRATDList();
/// StartBlock - Initialize register live-range state for scheduling in
/// this block.
@@ -183,9 +177,34 @@ namespace {
};
}
+SchedulePostRATDList::SchedulePostRATDList(
+ MachineFunction &MF, MachineLoopInfo &MLI, MachineDominatorTree &MDT,
+ AliasAnalysis *AA, TargetSubtarget::AntiDepBreakMode AntiDepMode,
+ SmallVectorImpl<TargetRegisterClass*> &CriticalPathRCs)
+ : ScheduleDAGInstrs(MF, MLI, MDT), Topo(SUnits), AA(AA),
+ KillIndices(TRI->getNumRegs())
+{
+ const TargetMachine &TM = MF.getTarget();
+ const InstrItineraryData *InstrItins = TM.getInstrItineraryData();
+ HazardRec =
+ TM.getInstrInfo()->CreateTargetPostRAHazardRecognizer(InstrItins, this);
+ AntiDepBreak =
+ ((AntiDepMode == TargetSubtarget::ANTIDEP_ALL) ?
+ (AntiDepBreaker *)new AggressiveAntiDepBreaker(MF, CriticalPathRCs) :
+ ((AntiDepMode == TargetSubtarget::ANTIDEP_CRITICAL) ?
+ (AntiDepBreaker *)new CriticalAntiDepBreaker(MF) : NULL));
+}
+
+SchedulePostRATDList::~SchedulePostRATDList() {
+ delete HazardRec;
+ delete AntiDepBreak;
+}
+
bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
- AA = &getAnalysis<AliasAnalysis>();
TII = Fn.getTarget().getInstrInfo();
+ MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>();
+ MachineDominatorTree &MDT = getAnalysis<MachineDominatorTree>();
+ AliasAnalysis *AA = &getAnalysis<AliasAnalysis>();
// Check for explicit enable/disable of post-ra scheduling.
TargetSubtarget::AntiDepBreakMode AntiDepMode = TargetSubtarget::ANTIDEP_NONE;
@@ -195,6 +214,7 @@ bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
return false;
} else {
// Check that post-RA scheduling is enabled for this target.
+ // This may upgrade the AntiDepMode.
const TargetSubtarget &ST = Fn.getTarget().getSubtarget<TargetSubtarget>();
if (!ST.enablePostRAScheduler(OptLevel, AntiDepMode, CriticalPathRCs))
return false;
@@ -210,19 +230,8 @@ bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
DEBUG(dbgs() << "PostRAScheduler\n");
- const MachineLoopInfo &MLI = getAnalysis<MachineLoopInfo>();
- const MachineDominatorTree &MDT = getAnalysis<MachineDominatorTree>();
- const TargetMachine &TM = Fn.getTarget();
- const InstrItineraryData &InstrItins = TM.getInstrItineraryData();
- ScheduleHazardRecognizer *HR =
- TM.getInstrInfo()->CreateTargetPostRAHazardRecognizer(InstrItins);
- AntiDepBreaker *ADB =
- ((AntiDepMode == TargetSubtarget::ANTIDEP_ALL) ?
- (AntiDepBreaker *)new AggressiveAntiDepBreaker(Fn, CriticalPathRCs) :
- ((AntiDepMode == TargetSubtarget::ANTIDEP_CRITICAL) ?
- (AntiDepBreaker *)new CriticalAntiDepBreaker(Fn) : NULL));
-
- SchedulePostRATDList Scheduler(Fn, MLI, MDT, HR, ADB, AA);
+ SchedulePostRATDList Scheduler(Fn, MLI, MDT, AA, AntiDepMode,
+ CriticalPathRCs);
// Loop over all of the basic blocks
for (MachineFunction::iterator MBB = Fn.begin(), MBBe = Fn.end();
@@ -270,9 +279,6 @@ bool PostRAScheduler::runOnMachineFunction(MachineFunction &Fn) {
Scheduler.FixupKills(MBB);
}
- delete HR;
- delete ADB;
-
return true;
}
@@ -617,13 +623,7 @@ void SchedulePostRATDList::ListScheduleTopDown() {
MinDepth = PendingQueue[i]->getDepth();
}
- DEBUG(dbgs() << "\n*** Examining Available\n";
- LatencyPriorityQueue q = AvailableQueue;
- while (!q.empty()) {
- SUnit *su = q.pop();
- dbgs() << "Height " << su->getHeight() << ": ";
- su->dump(this);
- });
+ DEBUG(dbgs() << "\n*** Examining Available\n"; AvailableQueue.dump(this));
SUnit *FoundSUnit = 0;
bool HasNoopHazards = false;
@@ -631,7 +631,7 @@ void SchedulePostRATDList::ListScheduleTopDown() {
SUnit *CurSUnit = AvailableQueue.pop();
ScheduleHazardRecognizer::HazardType HT =
- HazardRec->getHazardType(CurSUnit);
+ HazardRec->getHazardType(CurSUnit, 0/*no stalls*/);
if (HT == ScheduleHazardRecognizer::NoHazard) {
FoundSUnit = CurSUnit;
break;
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