| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Vertex %main "main" %sk_VertexID %id |
| OpName %sk_VertexID "sk_VertexID" |
| OpName %id "id" |
| OpName %main "main" |
| OpDecorate %sk_VertexID BuiltIn VertexIndex |
| OpDecorate %id Location 1 |
| %int = OpTypeInt 32 1 |
| %_ptr_Input_int = OpTypePointer Input %int |
| %sk_VertexID = OpVariable %_ptr_Input_int Input |
| %_ptr_Output_int = OpTypePointer Output %int |
| %id = OpVariable %_ptr_Output_int Output |
| %void = OpTypeVoid |
| %9 = OpTypeFunction %void |
| %main = OpFunction %void None %9 |
| %10 = OpLabel |
| %11 = OpLoad %int %sk_VertexID |
| OpStore %id %11 |
| OpReturn |
| OpFunctionEnd |
