gistfile1.txt

cbuffer Foo : register(b0)
{
	float4x4 MVP;
};

float4 main(float4 pos : POSITION) : SV_Position
{
	return mul(MVP, pos);
}

; SPIR-V
; Version: 1.0
; Generator: Khronos Glslang Reference Front End; 6
; Bound: 35
; Schema: 0
               OpCapability Shader
          %1 = OpExtInstImport "GLSL.std.450"
               OpMemoryModel Logical GLSL450
               OpEntryPoint Vertex %main "main" %pos_1 %_entryPointOutput
               OpSource HLSL 500
               OpName %main "main"
               OpName %_main_vf4_ "@main(vf4;"
               OpName %pos "pos"
               OpName %Foo "Foo"
               OpMemberName %Foo 0 "MVP"
               OpName %_ ""
               OpName %pos_0 "pos"
               OpName %pos_1 "pos"
               OpName %_entryPointOutput "@entryPointOutput"
               OpName %param "param"
               OpMemberDecorate %Foo 0 RowMajor
               OpMemberDecorate %Foo 0 Offset 0
               OpMemberDecorate %Foo 0 MatrixStride 16
               OpDecorate %Foo Block
               OpDecorate %_ DescriptorSet 0
               OpDecorate %_ Binding 0
               OpDecorate %pos_1 Location 0
               OpDecorate %_entryPointOutput BuiltIn Position
       %void = OpTypeVoid
          %3 = OpTypeFunction %void
      %float = OpTypeFloat 32
    %v4float = OpTypeVector %float 4
%_ptr_Function_v4float = OpTypePointer Function %v4float
          %9 = OpTypeFunction %v4float %_ptr_Function_v4float
%mat4v4float = OpTypeMatrix %v4float 4
        %Foo = OpTypeStruct %mat4v4float
%_ptr_Uniform_Foo = OpTypePointer Uniform %Foo
          %_ = OpVariable %_ptr_Uniform_Foo Uniform
        %int = OpTypeInt 32 1
      %int_0 = OpConstant %int 0
%_ptr_Uniform_mat4v4float = OpTypePointer Uniform %mat4v4float
%_ptr_Input_v4float = OpTypePointer Input %v4float
      %pos_1 = OpVariable %_ptr_Input_v4float Input
%_ptr_Output_v4float = OpTypePointer Output %v4float
%_entryPointOutput = OpVariable %_ptr_Output_v4float Output
       %main = OpFunction %void None %3
          %5 = OpLabel
      %pos_0 = OpVariable %_ptr_Function_v4float Function
      %param = OpVariable %_ptr_Function_v4float Function
         %29 = OpLoad %v4float %pos_1
               OpStore %pos_0 %29
         %33 = OpLoad %v4float %pos_0
               OpStore %param %33
         %34 = OpFunctionCall %v4float %_main_vf4_ %param
               OpStore %_entryPointOutput %34
               OpReturn
               OpFunctionEnd
 %_main_vf4_ = OpFunction %v4float None %9
        %pos = OpFunctionParameter %_ptr_Function_v4float
         %12 = OpLabel
         %13 = OpLoad %v4float %pos
         %21 = OpAccessChain %_ptr_Uniform_mat4v4float %_ %int_0
         %22 = OpLoad %mat4v4float %21
         %23 = OpVectorTimesMatrix %v4float %13 %22
               OpReturnValue %23
               OpFunctionEnd

#version 450

layout(binding = 0, std140) uniform Foo
{
    layout(row_major) mat4 MVP;
} _17;

layout(location = 0) in vec4 pos;

vec4 _main(vec4 pos_1)
{
    return pos_1 * _17.MVP;
}

void main()
{
    vec4 pos_1 = pos;
    vec4 param = pos_1;
    gl_Position = _main(param);
}