C++ (Cpp) LexicalScope::dominates Examples

Example #1

File: LexicalScopes.cpp Project: bugsnag/llvm

/// assignInstructionRanges - Find ranges of instructions covered by each
/// lexical scope.
void LexicalScopes::assignInstructionRanges(
    SmallVectorImpl<InsnRange> &MIRanges,
    DenseMap<const MachineInstr *, LexicalScope *> &MI2ScopeMap) {
  LexicalScope *PrevLexicalScope = nullptr;
  for (const auto &R : MIRanges) {
    LexicalScope *S = MI2ScopeMap.lookup(R.first);
    assert(S && "Lost LexicalScope for a machine instruction!");
    if (PrevLexicalScope && !PrevLexicalScope->dominates(S))
      PrevLexicalScope->closeInsnRange(S);
    S->openInsnRange(R.first);
    S->extendInsnRange(R.second);
    PrevLexicalScope = S;
  }

  if (PrevLexicalScope)
    PrevLexicalScope->closeInsnRange();
}

Example #2

File: LexicalScopes.cpp Project: AstroVPK/LLVM-4.0.0

/// dominates - Return true if DebugLoc's lexical scope dominates at least one
/// machine instruction's lexical scope in a given machine basic block.
bool LexicalScopes::dominates(const DILocation *DL, MachineBasicBlock *MBB) {
  LexicalScope *Scope = getOrCreateLexicalScope(DL);
  if (!Scope)
    return false;

  // Current function scope covers all basic blocks in the function.
  if (Scope == CurrentFnLexicalScope && MBB->getParent() == MF)
    return true;

  bool Result = false;
  for (auto &I : *MBB) {
    if (const DILocation *IDL = I.getDebugLoc())
      if (LexicalScope *IScope = getOrCreateLexicalScope(IDL))
        if (Scope->dominates(IScope))
          return true;
  }
  return Result;
}

Example #3

File: LexicalScopes.cpp Project: Automatic/firmware-llvm

/// dominates - Return true if DebugLoc's lexical scope dominates at least one
/// machine instruction's lexical scope in a given machine basic block.
bool LexicalScopes::dominates(const MDLocation *DL, MachineBasicBlock *MBB) {
  LexicalScope *Scope = getOrCreateLexicalScope(DL);
  if (!Scope)
    return false;

  // Current function scope covers all basic blocks in the function.
  if (Scope == CurrentFnLexicalScope && MBB->getParent() == MF)
    return true;

  bool Result = false;
  for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); I != E;
       ++I) {
    if (const MDLocation *IDL = I->getDebugLoc())
      if (LexicalScope *IScope = getOrCreateLexicalScope(IDL))
        if (Scope->dominates(IScope))
          return true;
  }
  return Result;
}

Example #4

File: LexicalScopes.cpp Project: 32bitmicro/llvm

/// assignInstructionRanges - Find ranges of instructions covered by each
/// lexical scope.
void LexicalScopes::
assignInstructionRanges(SmallVectorImpl<InsnRange> &MIRanges,
                    DenseMap<const MachineInstr *, LexicalScope *> &MI2ScopeMap)
{
  
  LexicalScope *PrevLexicalScope = NULL;
  for (SmallVectorImpl<InsnRange>::const_iterator RI = MIRanges.begin(),
         RE = MIRanges.end(); RI != RE; ++RI) {
    const InsnRange &R = *RI;
    LexicalScope *S = MI2ScopeMap.lookup(R.first);
    assert (S && "Lost LexicalScope for a machine instruction!");
    if (PrevLexicalScope && !PrevLexicalScope->dominates(S))
      PrevLexicalScope->closeInsnRange(S);
    S->openInsnRange(R.first);
    S->extendInsnRange(R.second);
    PrevLexicalScope = S;
  }

  if (PrevLexicalScope)
    PrevLexicalScope->closeInsnRange();
}