diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2021-12-02 21:02:54 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2021-12-02 21:02:54 +0000 |
| commit | f65dcba83ce5035ab88a85fe17628b447eb56e1b (patch) | |
| tree | 35f37bb72b3cfc6060193e66c76ee7c9478969b0 /llvm/lib/CodeGen/MachinePipeliner.cpp | |
| parent | 846a2208a8ab099f595fe7e8b2e6d54a7b5e67fb (diff) | |
Diffstat (limited to 'llvm/lib/CodeGen/MachinePipeliner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachinePipeliner.cpp | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp index e18318386def..8d6459a627fa 100644 --- a/llvm/lib/CodeGen/MachinePipeliner.cpp +++ b/llvm/lib/CodeGen/MachinePipeliner.cpp @@ -1455,17 +1455,15 @@ void SwingSchedulerDAG::computeNodeFunctions(NodeSetType &NodeSets) { int asap = 0; int zeroLatencyDepth = 0; SUnit *SU = &SUnits[I]; - for (SUnit::const_pred_iterator IP = SU->Preds.begin(), - EP = SU->Preds.end(); - IP != EP; ++IP) { - SUnit *pred = IP->getSUnit(); - if (IP->getLatency() == 0) + for (const SDep &P : SU->Preds) { + SUnit *pred = P.getSUnit(); + if (P.getLatency() == 0) zeroLatencyDepth = std::max(zeroLatencyDepth, getZeroLatencyDepth(pred) + 1); - if (ignoreDependence(*IP, true)) + if (ignoreDependence(P, true)) continue; - asap = std::max(asap, (int)(getASAP(pred) + IP->getLatency() - - getDistance(pred, SU, *IP) * MII)); + asap = std::max(asap, (int)(getASAP(pred) + P.getLatency() - + getDistance(pred, SU, P) * MII)); } maxASAP = std::max(maxASAP, asap); ScheduleInfo[I].ASAP = asap; @@ -1521,9 +1519,8 @@ static bool pred_L(SetVector<SUnit *> &NodeOrder, SmallSetVector<SUnit *, 8> &Preds, const NodeSet *S = nullptr) { Preds.clear(); - for (SetVector<SUnit *>::iterator I = NodeOrder.begin(), E = NodeOrder.end(); - I != E; ++I) { - for (const SDep &Pred : (*I)->Preds) { + for (const SUnit *SU : NodeOrder) { + for (const SDep &Pred : SU->Preds) { if (S && S->count(Pred.getSUnit()) == 0) continue; if (ignoreDependence(Pred, true)) @@ -1532,7 +1529,7 @@ static bool pred_L(SetVector<SUnit *> &NodeOrder, Preds.insert(Pred.getSUnit()); } // Back-edges are predecessors with an anti-dependence. - for (const SDep &Succ : (*I)->Succs) { + for (const SDep &Succ : SU->Succs) { if (Succ.getKind() != SDep::Anti) continue; if (S && S->count(Succ.getSUnit()) == 0) @@ -2546,8 +2543,7 @@ void SMSchedule::orderDependence(SwingSchedulerDAG *SSD, SUnit *SU, unsigned Pos = 0; for (std::deque<SUnit *>::iterator I = Insts.begin(), E = Insts.end(); I != E; ++I, ++Pos) { - for (unsigned i = 0, e = MI->getNumOperands(); i < e; ++i) { - MachineOperand &MO = MI->getOperand(i); + for (MachineOperand &MO : MI->operands()) { if (!MO.isReg() || !Register::isVirtualRegister(MO.getReg())) continue; |