// Update resource-related information in the TraceBlockInfo for MBB.
// Only update resources related to the trace below MBB.
void MachineTraceMetrics::Ensemble::
computeHeightResources(const MachineBasicBlock *MBB) {
TraceBlockInfo *TBI = &BlockInfo[MBB->getNumber()];
unsigned PRKinds = MTM.SchedModel.getNumProcResourceKinds();
unsigned PROffset = MBB->getNumber() * PRKinds;
// Compute resources for the current block.
TBI->InstrHeight = MTM.getResources(MBB)->InstrCount;
ArrayRef<unsigned> PRCycles = MTM.getProcResourceCycles(MBB->getNumber());
// The trace tail is done.
if (!TBI->Succ) {
TBI->Tail = MBB->getNumber();
std::copy(PRCycles.begin(), PRCycles.end(),
ProcResourceHeights.begin() + PROffset);
return;
}
// Compute from the block below. A post-order traversal ensures the
// predecessor is always computed first.
unsigned SuccNum = TBI->Succ->getNumber();
TraceBlockInfo *SuccTBI = &BlockInfo[SuccNum];
assert(SuccTBI->hasValidHeight() && "Trace below has not been computed yet");
TBI->InstrHeight += SuccTBI->InstrHeight;
TBI->Tail = SuccTBI->Tail;
// Compute per-resource heights.
ArrayRef<unsigned> SuccPRHeights = getProcResourceHeights(SuccNum);
for (unsigned K = 0; K != PRKinds; ++K)
ProcResourceHeights[PROffset + K] = SuccPRHeights[K] + PRCycles[K];
}
// Update resource-related information in the TraceBlockInfo for MBB.
// Only update resources related to the trace above MBB.
void MachineTraceMetrics::Ensemble::
computeDepthResources(const MachineBasicBlock *MBB) {
TraceBlockInfo *TBI = &BlockInfo[MBB->getNumber()];
unsigned PRKinds = MTM.SchedModel.getNumProcResourceKinds();
unsigned PROffset = MBB->getNumber() * PRKinds;
// Compute resources from trace above. The top block is simple.
if (!TBI->Pred) {
TBI->InstrDepth = 0;
TBI->Head = MBB->getNumber();
std::fill(ProcResourceDepths.begin() + PROffset,
ProcResourceDepths.begin() + PROffset + PRKinds, 0);
return;
}
// Compute from the block above. A post-order traversal ensures the
// predecessor is always computed first.
unsigned PredNum = TBI->Pred->getNumber();
TraceBlockInfo *PredTBI = &BlockInfo[PredNum];
assert(PredTBI->hasValidDepth() && "Trace above has not been computed yet");
const FixedBlockInfo *PredFBI = MTM.getResources(TBI->Pred);
TBI->InstrDepth = PredTBI->InstrDepth + PredFBI->InstrCount;
TBI->Head = PredTBI->Head;
// Compute per-resource depths.
ArrayRef<unsigned> PredPRDepths = getProcResourceDepths(PredNum);
ArrayRef<unsigned> PredPRCycles = MTM.getProcResourceCycles(PredNum);
for (unsigned K = 0; K != PRKinds; ++K)
ProcResourceDepths[PROffset + K] = PredPRDepths[K] + PredPRCycles[K];
}
// Update resource-related information in the TraceBlockInfo for MBB.
// Only update resources related to the trace above MBB.
void MachineTraceMetrics::Ensemble::
computeDepthResources(const MachineBasicBlock *MBB) {
TraceBlockInfo *TBI = &BlockInfo[MBB->getNumber()];
// Compute resources from trace above. The top block is simple.
if (!TBI->Pred) {
TBI->InstrDepth = 0;
TBI->Head = MBB->getNumber();
return;
}
// Compute from the block above. A post-order traversal ensures the
// predecessor is always computed first.
TraceBlockInfo *PredTBI = &BlockInfo[TBI->Pred->getNumber()];
assert(PredTBI->hasValidDepth() && "Trace above has not been computed yet");
const FixedBlockInfo *PredFBI = MTM.getResources(TBI->Pred);
TBI->InstrDepth = PredTBI->InstrDepth + PredFBI->InstrCount;
TBI->Head = PredTBI->Head;
}
// Update resource-related information in the TraceBlockInfo for MBB.
// Only update resources related to the trace below MBB.
void MachineTraceMetrics::Ensemble::
computeHeightResources(const MachineBasicBlock *MBB) {
TraceBlockInfo *TBI = &BlockInfo[MBB->getNumber()];
// Compute resources for the current block.
TBI->InstrHeight = MTM.getResources(MBB)->InstrCount;
// The trace tail is done.
if (!TBI->Succ) {
TBI->Tail = MBB->getNumber();
return;
}
// Compute from the block below. A post-order traversal ensures the
// predecessor is always computed first.
TraceBlockInfo *SuccTBI = &BlockInfo[TBI->Succ->getNumber()];
assert(SuccTBI->hasValidHeight() && "Trace below has not been computed yet");
TBI->InstrHeight += SuccTBI->InstrHeight;
TBI->Tail = SuccTBI->Tail;
}