diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/PostRASchedulerList.cpp')
-rw-r--r-- | contrib/llvm/lib/CodeGen/PostRASchedulerList.cpp | 74 |
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; |