               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %main "main" %sk_Clockwise %sk_FragColor
               OpExecutionMode %main OriginUpperLeft
               OpName %sk_Clockwise "sk_Clockwise"
               OpName %sk_FragColor "sk_FragColor"
               OpName %_UniformBuffer "_UniformBuffer"
               OpMemberName %_UniformBuffer 0 "unknownInput"
               OpName %main "main"
               OpName %value "value"
               OpDecorate %sk_Clockwise BuiltIn FrontFacing
               OpDecorate %sk_FragColor RelaxedPrecision
               OpDecorate %sk_FragColor Location 0
               OpDecorate %sk_FragColor Index 0
               OpMemberDecorate %_UniformBuffer 0 Offset 0
               OpDecorate %_UniformBuffer Block
               OpDecorate %10 Binding 0
               OpDecorate %10 DescriptorSet 0
               OpDecorate %value RelaxedPrecision
       %bool = OpTypeBool
%_ptr_Input_bool = OpTypePointer Input %bool
%sk_Clockwise = OpVariable %_ptr_Input_bool Input
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%sk_FragColor = OpVariable %_ptr_Output_v4float Output
%_UniformBuffer = OpTypeStruct %float
%_ptr_Uniform__UniformBuffer = OpTypePointer Uniform %_UniformBuffer
         %10 = OpVariable %_ptr_Uniform__UniformBuffer Uniform
       %void = OpTypeVoid
         %14 = OpTypeFunction %void
%_ptr_Function_float = OpTypePointer Function %float
    %float_0 = OpConstant %float 0
        %int = OpTypeInt 32 1
      %int_0 = OpConstant %int 0
%_ptr_Uniform_float = OpTypePointer Uniform %float
    %float_2 = OpConstant %float 2
         %31 = OpConstantComposite %v4float %float_0 %float_0 %float_0 %float_0
    %float_1 = OpConstant %float 1
       %main = OpFunction %void None %14
         %15 = OpLabel
      %value = OpVariable %_ptr_Function_float Function
               OpStore %value %float_0
               OpSelectionMerge %21 None
               OpSwitch %int_0 %21 0 %22 1 %23
         %22 = OpLabel
               OpStore %value %float_0
         %24 = OpAccessChain %_ptr_Uniform_float %10 %int_0
         %26 = OpLoad %float %24
         %28 = OpFOrdEqual %bool %26 %float_2
               OpSelectionMerge %30 None
               OpBranchConditional %28 %29 %30
         %29 = OpLabel
               OpStore %sk_FragColor %31
               OpBranch %21
         %30 = OpLabel
               OpBranch %23
         %23 = OpLabel
               OpStore %value %float_1
               OpBranch %21
         %21 = OpLabel
               OpReturn
               OpFunctionEnd
