C++ (Cpp) TraceBlockInfo::hasValidHeight Exemples

Exemple #1

Fichier : MachineTraceMetrics.cpp Projet : BNieuwenhuizen/llvm

// 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];
}

Exemple #2

Fichier : MachineTraceMetrics.cpp Projet : stephenmcgruer/LLVM-ARCompact-2

// 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;
}