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-rw-r--r--contrib/llvm/lib/CodeGen/TargetSchedule.cpp27
1 files changed, 13 insertions, 14 deletions
diff --git a/contrib/llvm/lib/CodeGen/TargetSchedule.cpp b/contrib/llvm/lib/CodeGen/TargetSchedule.cpp
index 1c4558c..022e912 100644
--- a/contrib/llvm/lib/CodeGen/TargetSchedule.cpp
+++ b/contrib/llvm/lib/CodeGen/TargetSchedule.cpp
@@ -77,7 +77,7 @@ unsigned TargetSchedModel::getNumMicroOps(const MachineInstr *MI,
const MCSchedClassDesc *SC) const {
if (hasInstrItineraries()) {
int UOps = InstrItins.getNumMicroOps(MI->getDesc().getSchedClass());
- return (UOps >= 0) ? UOps : TII->getNumMicroOps(&InstrItins, MI);
+ return (UOps >= 0) ? UOps : TII->getNumMicroOps(&InstrItins, *MI);
}
if (hasInstrSchedModel()) {
if (!SC)
@@ -156,13 +156,13 @@ unsigned TargetSchedModel::computeOperandLatency(
const MachineInstr *UseMI, unsigned UseOperIdx) const {
if (!hasInstrSchedModel() && !hasInstrItineraries())
- return TII->defaultDefLatency(SchedModel, DefMI);
+ return TII->defaultDefLatency(SchedModel, *DefMI);
if (hasInstrItineraries()) {
int OperLatency = 0;
if (UseMI) {
- OperLatency = TII->getOperandLatency(&InstrItins, DefMI, DefOperIdx,
- UseMI, UseOperIdx);
+ OperLatency = TII->getOperandLatency(&InstrItins, *DefMI, DefOperIdx,
+ *UseMI, UseOperIdx);
}
else {
unsigned DefClass = DefMI->getDesc().getSchedClass();
@@ -172,15 +172,15 @@ unsigned TargetSchedModel::computeOperandLatency(
return OperLatency;
// No operand latency was found.
- unsigned InstrLatency = TII->getInstrLatency(&InstrItins, DefMI);
+ unsigned InstrLatency = TII->getInstrLatency(&InstrItins, *DefMI);
// Expected latency is the max of the stage latency and itinerary props.
// Rather than directly querying InstrItins stage latency, we call a TII
// hook to allow subtargets to specialize latency. This hook is only
// applicable to the InstrItins model. InstrSchedModel should model all
// special cases without TII hooks.
- InstrLatency = std::max(InstrLatency,
- TII->defaultDefLatency(SchedModel, DefMI));
+ InstrLatency =
+ std::max(InstrLatency, TII->defaultDefLatency(SchedModel, *DefMI));
return InstrLatency;
}
// hasInstrSchedModel()
@@ -219,7 +219,7 @@ unsigned TargetSchedModel::computeOperandLatency(
// FIXME: Automatically giving all implicit defs defaultDefLatency is
// undesirable. We should only do it for defs that are known to the MC
// desc like flags. Truly implicit defs should get 1 cycle latency.
- return DefMI->isTransient() ? 0 : TII->defaultDefLatency(SchedModel, DefMI);
+ return DefMI->isTransient() ? 0 : TII->defaultDefLatency(SchedModel, *DefMI);
}
unsigned
@@ -254,24 +254,23 @@ TargetSchedModel::computeInstrLatency(const MachineInstr *MI,
// Allow subtargets to compute Bundle latencies outside the machine model.
if (hasInstrItineraries() || MI->isBundle() ||
(!hasInstrSchedModel() && !UseDefaultDefLatency))
- return TII->getInstrLatency(&InstrItins, MI);
+ return TII->getInstrLatency(&InstrItins, *MI);
if (hasInstrSchedModel()) {
const MCSchedClassDesc *SCDesc = resolveSchedClass(MI);
if (SCDesc->isValid())
return computeInstrLatency(*SCDesc);
}
- return TII->defaultDefLatency(SchedModel, MI);
+ return TII->defaultDefLatency(SchedModel, *MI);
}
unsigned TargetSchedModel::
computeOutputLatency(const MachineInstr *DefMI, unsigned DefOperIdx,
const MachineInstr *DepMI) const {
- if (SchedModel.MicroOpBufferSize <= 1)
+ if (!SchedModel.isOutOfOrder())
return 1;
- // MicroOpBufferSize > 1 indicates an out-of-order processor that can dispatch
- // WAW dependencies in the same cycle.
+ // Out-of-order processor can dispatch WAW dependencies in the same cycle.
// Treat predication as a data dependency for out-of-order cpus. In-order
// cpus do not need to treat predicated writes specially.
@@ -282,7 +281,7 @@ computeOutputLatency(const MachineInstr *DefMI, unsigned DefOperIdx,
unsigned Reg = DefMI->getOperand(DefOperIdx).getReg();
const MachineFunction &MF = *DefMI->getParent()->getParent();
const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
- if (!DepMI->readsRegister(Reg, TRI) && TII->isPredicated(DepMI))
+ if (!DepMI->readsRegister(Reg, TRI) && TII->isPredicated(*DepMI))
return computeInstrLatency(DefMI);
// If we have a per operand scheduling model, check if this def is writing
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