| ; SPIR-V | 
 | ; Version: 1.3 | 
 | ; Generator: Google Tint Compiler; 1 | 
 | ; Bound: 15 | 
 | ; Schema: 0 | 
 |                OpCapability Shader | 
 |                OpMemoryModel Logical GLSL450 | 
 |                OpEntryPoint GLCompute %main "main" | 
 |                OpExecutionMode %main LocalSize 1 1 1 | 
 |                OpName %func "func" | 
 |                OpName %pointer_root "pointer_root" | 
 |                OpName %main "main" | 
 |                OpName %F "F" | 
 |        %void = OpTypeVoid | 
 |       %float = OpTypeFloat 32 | 
 |     %v4float = OpTypeVector %float 4 | 
 | %_ptr_Function_v4float = OpTypePointer Function %v4float | 
 |           %7 = OpTypeFunction %void %_ptr_Function_v4float | 
 |           %9 = OpConstantNull %v4float | 
 |          %11 = OpTypeFunction %void | 
 |        %func = OpFunction %void None %7 | 
 | %pointer_root = OpFunctionParameter %_ptr_Function_v4float | 
 |           %8 = OpLabel | 
 |                OpStore %pointer_root %9 None | 
 |                OpReturn | 
 |                OpFunctionEnd | 
 |        %main = OpFunction %void None %11 | 
 |          %12 = OpLabel | 
 |           %F = OpVariable %_ptr_Function_v4float Function %9 | 
 |          %14 = OpFunctionCall %void %func %F | 
 |                OpReturn | 
 |                OpFunctionEnd |