Method UpdateDebugInfoFrom

source/opt/instruction.cpp:556–572

}

bool Instruction::UpdateDebugInfoFrom(const Instruction* from,
                                      const Instruction* line) {
  if (from == nullptr) return true;
  ClearDbgLineInsts();
  const Instruction* fromLine = line != nullptr ? line : from;
  if (!fromLine->dbg_line_insts().empty()) {
    if (!AddDebugLine(&fromLine->dbg_line_insts().back())) {
      return false;
    }
  }
  SetDebugScope(from->GetDebugScope());
  if (!IsLineInst() &&
      context()->AreAnalysesValid(IRContext::kAnalysisDebugInfo)) {
    context()->get_debug_info_mgr()->AnalyzeDebugInst(this);
  }
  return true;
}

bool Instruction::AddDebugLine(const Instruction* inst) {
  dbg_line_insts_.push_back(*inst);