message: simplify code [easy]
diff: @@ -277,17 +277,11 @@ static DexType* reduce_type_demands(
  */
  void gather_true_virtual_methods(const mog::Graph& method_override_graph,
  const Scope& scope,
  - bool compute_caller_insns,
  - bool include_empty,
  CalleeCallerInsns* true_virtual_callers) {
  Timer t("gather_true_virtual_methods");
  auto non_virtual = mog::get_non_true_virtuals(method_override_graph, scope);
  - std::unordered_map<const DexMethod*, std::shared_ptr<SameImplementation>>
  - same_implementation_map;
  - if (compute_caller_insns) {
  - same_implementation_map =
  + auto same_implementation_map =
  get_same_implementation_map(scope, method_override_graph);
  - }
  ConcurrentMap<const DexMethod*, CallerInsns> concurrent_true_virtual_callers;
  ConcurrentMap<IRInstruction*, SameImplementation*>
  same_implementation_invokes;
  @@ -422,7 +416,7 @@ void gather_true_virtual_methods(const mog::Graph& method_override_graph,
  return;
  }
  auto code = const_cast<DexMethod*>(callee)->get_code();
  - if (!code || !compute_caller_insns || !method::no_invoke_super(*code)) {
  + if (!code || !method::no_invoke_super(*code)) {
  if (!caller_to_invocations.caller_insns.empty()) {
  caller_to_invocations.caller_insns.clear();
  caller_to_invocations.other_call_sites = true;
  @@ -520,12 +514,10 @@ void gather_true_virtual_methods(const mog::Graph& method_override_graph,
  },
  true_virtual_callees);
  for (auto& pair : concurrent_true_virtual_callers) {
  - if (include_empty || !pair.second.empty()) {
  DexMethod* callee = const_cast<DexMethod*>(pair.first);
  true_virtual_callers->emplace(callee, std::move(pair.second));
  }
  }
  -}
  } // namespace
  @@ -586,8 +578,6 @@ void run_inliner(DexStoresVector& stores,
  if (inliner_config.virtual_inline && inliner_config.true_virtual_inline) {
  gather_true_virtual_methods(*method_override_graph, scope,
  - /* compute_caller_insns */ true,
  - /* include_empty */ true,
  &true_virtual_callers);
  for (auto& p : true_virtual_callers) {
  candidates.insert(p.first);
  