Function InterestingWhileOpcodeExists

test/reduce/reducer_test.cpp:224–252

}

bool InterestingWhileOpcodeExists(const std::vector<uint32_t>& binary,
                                  spv::Op opcode, uint32_t count, bool dump) {
  if (dump) {
    std::stringstream ss;
    ss << "temp_" << count << ".spv";
    DumpShader(binary, ss.str().c_str());
  }

  std::unique_ptr<opt::IRContext> context =
      BuildModule(kEnv, kMessageConsumer, binary.data(), binary.size());
  assert(context);
  bool interesting = false;
  for (auto& function : *context->module()) {
    context->cfg()->ForEachBlockInPostOrder(
        &*function.begin(),
        [opcode, &interesting](opt::BasicBlock* block) -> void {
          for (auto& inst : *block) {
            if (inst.opcode() == spv::Op(opcode)) {
              interesting = true;
              break;
            }
          }
        });
    if (interesting) {
      break;
    }
  }
  return interesting;
}

bool InterestingWhileIMulReachable(const std::vector<uint32_t>& binary,
                                   uint32_t count) {