Method CloneAndMapLocals

source/opt/inline_pass.cpp:156–185

}

bool InlinePass::CloneAndMapLocals(
    Function* calleeFn, std::vector<std::unique_ptr<Instruction>>* new_vars,
    std::unordered_map<uint32_t, uint32_t>* callee2caller,
    analysis::DebugInlinedAtContext* inlined_at_ctx) {
  auto callee_block_itr = calleeFn->begin();
  auto callee_var_itr = callee_block_itr->begin();
  while (callee_var_itr->opcode() == spv::Op::OpVariable ||
         callee_var_itr->GetCommonDebugOpcode() ==
             CommonDebugInfoDebugDeclare) {
    if (callee_var_itr->opcode() != spv::Op::OpVariable) {
      ++callee_var_itr;
      continue;
    }

    std::unique_ptr<Instruction> var_inst(callee_var_itr->Clone(context()));
    uint32_t newId = context()->TakeNextId();
    if (newId == 0) {
      return false;
    }
    get_decoration_mgr()->CloneDecorations(callee_var_itr->result_id(), newId);
    var_inst->SetResultId(newId);
    var_inst->UpdateDebugInlinedAt(
        context()->get_debug_info_mgr()->BuildDebugInlinedAtChain(
            callee_var_itr->GetDebugInlinedAt(), inlined_at_ctx));
    (*callee2caller)[callee_var_itr->result_id()] = newId;
    new_vars->push_back(std::move(var_inst));
    ++callee_var_itr;
  }
  return true;
}

uint32_t InlinePass::CreateReturnVar(
    Function* calleeFn, std::vector<std::unique_ptr<Instruction>>* new_vars) {