OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %main "main" %sk_FragColor
               OpExecutionMode %main OriginUpperLeft
               OpName %sk_FragColor "sk_FragColor"
               OpName %test2D "test2D"
               OpName %test2DRect "test2DRect"
               OpName %main "main"
               OpDecorate %sk_FragColor RelaxedPrecision
               OpDecorate %sk_FragColor Location 0
               OpDecorate %sk_FragColor Index 0
               OpDecorate %test2D RelaxedPrecision
               OpDecorate %test2D Binding 0
               OpDecorate %test2D DescriptorSet 0
               OpDecorate %test2DRect RelaxedPrecision
               OpDecorate %test2DRect Binding 1
               OpDecorate %test2DRect DescriptorSet 0
               OpDecorate %16 RelaxedPrecision
               OpDecorate %21 RelaxedPrecision
               OpDecorate %23 RelaxedPrecision
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%sk_FragColor = OpVariable %_ptr_Output_v4float Output
          %8 = OpTypeImage %float 2D 0 0 0 1 Unknown
          %9 = OpTypeSampledImage %8
%_ptr_UniformConstant_9 = OpTypePointer UniformConstant %9
     %test2D = OpVariable %_ptr_UniformConstant_9 UniformConstant
 %test2DRect = OpVariable %_ptr_UniformConstant_9 UniformConstant
       %void = OpTypeVoid
         %13 = OpTypeFunction %void
  %float_0_5 = OpConstant %float 0.5
    %v2float = OpTypeVector %float 2
         %19 = OpConstantComposite %v2float %float_0_5 %float_0_5
    %v3float = OpTypeVector %float 3
         %25 = OpConstantComposite %v3float %float_0_5 %float_0_5 %float_0_5
       %main = OpFunction %void None %13
         %14 = OpLabel
         %16 = OpLoad %9 %test2D
         %15 = OpImageSampleImplicitLod %v4float %16 %19
               OpStore %sk_FragColor %15
         %21 = OpLoad %9 %test2DRect
         %20 = OpImageSampleImplicitLod %v4float %21 %19
               OpStore %sk_FragColor %20
         %23 = OpLoad %9 %test2DRect
         %22 = OpImageSampleProjImplicitLod %v4float %23 %25
               OpStore %sk_FragColor %22
               OpReturn
               OpFunctionEnd