; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 44
; Schema: 0
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %compute_main "compute_main" %local_invocation_index_1_param_1
               OpExecutionMode %compute_main LocalSize 1 1 1
               OpName %local_invocation_index_1_param_1 "local_invocation_index_1_param_1"
               OpName %local_invocation_index_1 "local_invocation_index_1"
               OpName %arg_0 "arg_0"
               OpName %atomicSub_0d26c2 "atomicSub_0d26c2"
               OpName %res "res"
               OpName %compute_main_inner "compute_main_inner"
               OpName %local_invocation_index "local_invocation_index"
               OpName %compute_main_1 "compute_main_1"
               OpName %compute_main_inner_1 "compute_main_inner_1"
               OpName %local_invocation_index_1_param "local_invocation_index_1_param"
               OpName %compute_main "compute_main"
               OpDecorate %local_invocation_index_1_param_1 BuiltIn LocalInvocationIndex
       %uint = OpTypeInt 32 0
%_ptr_Input_uint = OpTypePointer Input %uint
%local_invocation_index_1_param_1 = OpVariable %_ptr_Input_uint Input
%_ptr_Private_uint = OpTypePointer Private %uint
          %6 = OpConstantNull %uint
%local_invocation_index_1 = OpVariable %_ptr_Private_uint Private %6
%_ptr_Workgroup_uint = OpTypePointer Workgroup %uint
      %arg_0 = OpVariable %_ptr_Workgroup_uint Workgroup
       %void = OpTypeVoid
          %9 = OpTypeFunction %void
%_ptr_Function_uint = OpTypePointer Function %uint
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
     %uint_1 = OpConstant %uint 1
         %20 = OpTypeFunction %void %uint
   %uint_264 = OpConstant %uint 264
%atomicSub_0d26c2 = OpFunction %void None %9
         %12 = OpLabel
        %res = OpVariable %_ptr_Function_uint Function %6
               OpStore %res %6
         %15 = OpAtomicISub %uint %arg_0 %uint_2 %uint_0 %uint_1
               OpStore %res %15
               OpReturn
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %20
%local_invocation_index = OpFunctionParameter %uint
         %23 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %6
               OpControlBarrier %uint_2 %uint_2 %uint_264
         %28 = OpFunctionCall %void %atomicSub_0d26c2
               OpReturn
               OpFunctionEnd
%compute_main_1 = OpFunction %void None %9
         %30 = OpLabel
         %31 = OpLoad %uint %local_invocation_index_1
         %32 = OpFunctionCall %void %compute_main_inner %31
               OpReturn
               OpFunctionEnd
%compute_main_inner_1 = OpFunction %void None %20
%local_invocation_index_1_param = OpFunctionParameter %uint
         %35 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %6
               OpControlBarrier %uint_2 %uint_2 %uint_264
               OpStore %local_invocation_index_1 %local_invocation_index_1_param
         %39 = OpFunctionCall %void %compute_main_1
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %9
         %41 = OpLabel
         %43 = OpLoad %uint %local_invocation_index_1_param_1
         %42 = OpFunctionCall %void %compute_main_inner_1 %43
               OpReturn
               OpFunctionEnd