const TargetLowering *TLI = IS->TLI;
const TargetSubtargetInfo &ST = IS->MF->getSubtarget();
+ // Try first to see if the Target has its own way of selecting a scheduler
+ if (auto *SchedulerCtor = ST.getDAGScheduler(OptLevel)) {
+ return SchedulerCtor(IS, OptLevel);
+ }
+
if (OptLevel == CodeGenOpt::None ||
(ST.enableMachineScheduler() && ST.enableMachineSchedDefaultSched()) ||
TLI->getSchedulingPreference() == Sched::Source)
DAGSize(0) {
initializeGCModuleInfoPass(*PassRegistry::getPassRegistry());
initializeAliasAnalysisAnalysisGroup(*PassRegistry::getPassRegistry());
- initializeBranchProbabilityInfoPass(*PassRegistry::getPassRegistry());
+ initializeBranchProbabilityInfoWrapperPassPass(
+ *PassRegistry::getPassRegistry());
initializeTargetLibraryInfoWrapperPassPass(
*PassRegistry::getPassRegistry());
}
AU.addPreserved<GCModuleInfo>();
AU.addRequired<TargetLibraryInfoWrapperPass>();
if (UseMBPI && OptLevel != CodeGenOpt::None)
- AU.addRequired<BranchProbabilityInfo>();
+ AU.addRequired<BranchProbabilityInfoWrapperPass>();
MachineFunctionPass::getAnalysisUsage(AU);
}
///
/// This is required for correctness, so it must be done at -O0.
///
-static void SplitCriticalSideEffectEdges(Function &Fn, AliasAnalysis *AA) {
+static void SplitCriticalSideEffectEdges(Function &Fn) {
// Loop for blocks with phi nodes.
for (Function::iterator BB = Fn.begin(), E = Fn.end(); BB != E; ++BB) {
PHINode *PN = dyn_cast<PHINode>(BB->begin());
// Okay, we have to split this edge.
SplitCriticalEdge(
Pred->getTerminator(), GetSuccessorNumber(Pred, BB),
- CriticalEdgeSplittingOptions(AA).setMergeIdenticalEdges());
+ CriticalEdgeSplittingOptions().setMergeIdenticalEdges());
goto ReprocessBlock;
}
}
DEBUG(dbgs() << "\n\n\n=== " << Fn.getName() << "\n");
- SplitCriticalSideEffectEdges(const_cast<Function&>(Fn), AA);
+ SplitCriticalSideEffectEdges(const_cast<Function &>(Fn));
CurDAG->init(*MF);
FuncInfo->set(Fn, *MF, CurDAG);
if (UseMBPI && OptLevel != CodeGenOpt::None)
- FuncInfo->BPI = &getAnalysis<BranchProbabilityInfo>();
+ FuncInfo->BPI = &getAnalysis<BranchProbabilityInfoWrapperPass>().getBPI();
else
FuncInfo->BPI = nullptr;
/// one preferred by the target.
///
ScheduleDAGSDNodes *SelectionDAGISel::CreateScheduler() {
- RegisterScheduler::FunctionPassCtor Ctor = RegisterScheduler::getDefault();
-
- if (!Ctor) {
- Ctor = ISHeuristic;
- RegisterScheduler::setDefault(Ctor);
- }
-
- return Ctor(this, OptLevel);
+ return ISHeuristic(this, OptLevel);
}
//===----------------------------------------------------------------------===//