Method MappedInst

source/diff/diff.cpp:90–99

    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());

    auto mapped = inst_map_.find(from_inst);
    if (mapped == inst_map_.end()) {
      return nullptr;
    }
    return mapped->second;
  }

  bool IsMapped(uint32_t from) const {
    assert(from != 0);