|  | ; SPIR-V | 
|  | ; Version: 1.3 | 
|  | ; Generator: Google Tint Compiler; 0 | 
|  | ; Bound: 48 | 
|  | ; Schema: 0 | 
|  | OpCapability Shader | 
|  | OpMemoryModel Logical GLSL450 | 
|  | OpEntryPoint GLCompute %compute_main "compute_main" %local_invocation_index_1 | 
|  | OpExecutionMode %compute_main LocalSize 1 1 1 | 
|  | OpName %local_invocation_index_1 "local_invocation_index_1" | 
|  | OpName %wg "wg" | 
|  | OpName %compute_main_inner "compute_main_inner" | 
|  | OpName %local_invocation_index "local_invocation_index" | 
|  | OpName %idx "idx" | 
|  | OpName %compute_main "compute_main" | 
|  | OpDecorate %local_invocation_index_1 BuiltIn LocalInvocationIndex | 
|  | OpDecorate %_arr_uint_uint_4 ArrayStride 4 | 
|  | %uint = OpTypeInt 32 0 | 
|  | %_ptr_Input_uint = OpTypePointer Input %uint | 
|  | %local_invocation_index_1 = OpVariable %_ptr_Input_uint Input | 
|  | %uint_4 = OpConstant %uint 4 | 
|  | %_arr_uint_uint_4 = OpTypeArray %uint %uint_4 | 
|  | %_ptr_Workgroup__arr_uint_uint_4 = OpTypePointer Workgroup %_arr_uint_uint_4 | 
|  | %wg = OpVariable %_ptr_Workgroup__arr_uint_uint_4 Workgroup | 
|  | %void = OpTypeVoid | 
|  | %8 = OpTypeFunction %void %uint | 
|  | %_ptr_Function_uint = OpTypePointer Function %uint | 
|  | %15 = OpConstantNull %uint | 
|  | %bool = OpTypeBool | 
|  | %uint_2 = OpConstant %uint 2 | 
|  | %uint_0 = OpConstant %uint 0 | 
|  | %_ptr_Workgroup_uint = OpTypePointer Workgroup %uint | 
|  | %uint_1 = OpConstant %uint 1 | 
|  | %uint_264 = OpConstant %uint 264 | 
|  | %int = OpTypeInt 32 1 | 
|  | %int_1 = OpConstant %int 1 | 
|  | %43 = OpTypeFunction %void | 
|  | %compute_main_inner = OpFunction %void None %8 | 
|  | %local_invocation_index = OpFunctionParameter %uint | 
|  | %12 = OpLabel | 
|  | %idx = OpVariable %_ptr_Function_uint Function %15 | 
|  | OpStore %idx %local_invocation_index | 
|  | OpBranch %16 | 
|  | %16 = OpLabel | 
|  | OpLoopMerge %17 %18 None | 
|  | OpBranch %19 | 
|  | %19 = OpLabel | 
|  | %21 = OpLoad %uint %idx | 
|  | %22 = OpULessThan %bool %21 %uint_4 | 
|  | %20 = OpLogicalNot %bool %22 | 
|  | OpSelectionMerge %24 None | 
|  | OpBranchConditional %20 %25 %24 | 
|  | %25 = OpLabel | 
|  | OpBranch %17 | 
|  | %24 = OpLabel | 
|  | %26 = OpLoad %uint %idx | 
|  | %32 = OpAccessChain %_ptr_Workgroup_uint %wg %26 | 
|  | OpAtomicStore %32 %uint_2 %uint_0 %15 | 
|  | OpBranch %18 | 
|  | %18 = OpLabel | 
|  | %33 = OpLoad %uint %idx | 
|  | %35 = OpIAdd %uint %33 %uint_1 | 
|  | OpStore %idx %35 | 
|  | OpBranch %16 | 
|  | %17 = OpLabel | 
|  | OpControlBarrier %uint_2 %uint_2 %uint_264 | 
|  | %42 = OpAccessChain %_ptr_Workgroup_uint %wg %int_1 | 
|  | OpAtomicStore %42 %uint_2 %uint_0 %uint_1 | 
|  | OpReturn | 
|  | OpFunctionEnd | 
|  | %compute_main = OpFunction %void None %43 | 
|  | %45 = OpLabel | 
|  | %47 = OpLoad %uint %local_invocation_index_1 | 
|  | %46 = OpFunctionCall %void %compute_main_inner %47 | 
|  | OpReturn | 
|  | OpFunctionEnd |