OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Fragment %main "main" %sk_FragColor
               OpExecutionMode %main OriginUpperLeft
               OpName %testBlock "testBlock"
               OpMemberName %testBlock 0 "m1"
               OpMemberName %testBlock 1 "m2"
               OpName %sk_FragColor "sk_FragColor"
               OpName %main "main"
               OpMemberDecorate %testBlock 0 Offset 16
               OpMemberDecorate %testBlock 0 ColMajor
               OpMemberDecorate %testBlock 0 MatrixStride 8
               OpMemberDecorate %testBlock 0 RelaxedPrecision
               OpMemberDecorate %testBlock 1 Offset 32
               OpMemberDecorate %testBlock 1 ColMajor
               OpMemberDecorate %testBlock 1 MatrixStride 8
               OpMemberDecorate %testBlock 1 RelaxedPrecision
               OpDecorate %testBlock Block
               OpDecorate %sk_FragColor RelaxedPrecision
               OpDecorate %sk_FragColor Location 0
               OpDecorate %sk_FragColor Index 0
               OpDecorate %19 RelaxedPrecision
               OpDecorate %20 RelaxedPrecision
               OpDecorate %23 RelaxedPrecision
               OpDecorate %24 RelaxedPrecision
               OpDecorate %26 RelaxedPrecision
               OpDecorate %27 RelaxedPrecision
               OpDecorate %29 RelaxedPrecision
               OpDecorate %30 RelaxedPrecision
               OpDecorate %31 RelaxedPrecision
      %float = OpTypeFloat 32
    %v2float = OpTypeVector %float 2
%mat2v2float = OpTypeMatrix %v2float 2
  %testBlock = OpTypeStruct %mat2v2float %mat2v2float
%_ptr_PushConstant_testBlock = OpTypePointer PushConstant %testBlock
          %3 = OpVariable %_ptr_PushConstant_testBlock PushConstant
    %v4float = OpTypeVector %float 4
%_ptr_Output_v4float = OpTypePointer Output %v4float
%sk_FragColor = OpVariable %_ptr_Output_v4float Output
       %void = OpTypeVoid
         %13 = OpTypeFunction %void
        %int = OpTypeInt 32 1
      %int_0 = OpConstant %int 0
%_ptr_PushConstant_v2float = OpTypePointer PushConstant %v2float
      %int_1 = OpConstant %int 1
       %main = OpFunction %void None %13
         %14 = OpLabel
         %17 = OpAccessChain %_ptr_PushConstant_v2float %3 %int_0 %int_0
         %19 = OpLoad %v2float %17
         %20 = OpCompositeExtract %float %19 0
         %22 = OpAccessChain %_ptr_PushConstant_v2float %3 %int_0 %int_1
         %23 = OpLoad %v2float %22
         %24 = OpCompositeExtract %float %23 1
         %25 = OpAccessChain %_ptr_PushConstant_v2float %3 %int_1 %int_0
         %26 = OpLoad %v2float %25
         %27 = OpCompositeExtract %float %26 0
         %28 = OpAccessChain %_ptr_PushConstant_v2float %3 %int_1 %int_1
         %29 = OpLoad %v2float %28
         %30 = OpCompositeExtract %float %29 1
         %31 = OpCompositeConstruct %v4float %20 %24 %27 %30
               OpStore %sk_FragColor %31
               OpReturn
               OpFunctionEnd