Method MappedId

source/diff/diff.cpp:86–89

  }

  uint32_t MappedId(uint32_t from) const {
    assert(from != 0);
    return from < id_map_.size() ? id_map_[from] : 0;
  }
  const opt::Instruction* MappedInst(const opt::Instruction* from_inst) const {
    assert(from_inst != nullptr);
    assert(!from_inst->HasResultId());