TEST(A, a) {
  std::string shader = R"(
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %4 "main"
               OpExecutionMode %4 OriginUpperLeft
          %2 = OpTypeVoid
          %3 = OpTypeFunction %2
         %10 = OpTypeInt 32 0
         %11 = OpUndef %10
          %4 = OpFunction %2 None %3
          %5 = OpLabel
          %6 = OpFunctionCall %2 %7
               OpBranch %14
         %14 = OpLabel
               OpReturn
               OpFunctionEnd
          %7 = OpFunction %2 None %3
          %8 = OpLabel
               OpBranch %13
         %13 = OpLabel
         %12 = OpPhi %10 %11 %8
               OpReturn
               OpFunctionEnd
  )";

  const auto env = SPV_ENV_UNIVERSAL_1_3;
  const auto consumer = nullptr;
  const auto context =
      BuildModule(env, consumer, shader, kFuzzAssembleOption);
  ASSERT_TRUE(IsValid(env, context.get()));

  FactManager fact_manager;
  spvtools::ValidatorOptions validator_options;
  TransformationContext transformation_context(&fact_manager,
                                               validator_options);

  TransformationInlineFunction transformation(6, {{{8, 20}, {13, 21}, {12, 22}}});
  ASSERT_TRUE(transformation.IsApplicable(context.get(), transformation_context));
  transformation.Apply(context.get(), &transformation_context);
  DumpShader(context.get(), "/home/vasniktel/shader.asm");
  ASSERT_TRUE(IsValid(env, context.get()));
}