/// 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(); }
/// 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(); }