; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 46
; 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 %atomicAdd_794055 "atomicAdd_794055"
               OpName %res "res"
               OpName %compute_main_inner "compute_main_inner"
               OpName %local_invocation_index_2 "local_invocation_index_2"
               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
        %int = OpTypeInt 32 1
%_ptr_Workgroup_int = OpTypePointer Workgroup %int
      %arg_0 = OpVariable %_ptr_Workgroup_int Workgroup
       %void = OpTypeVoid
         %10 = OpTypeFunction %void
         %14 = OpConstantNull %int
%_ptr_Function_int = OpTypePointer Function %int
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
      %int_1 = OpConstant %int 1
         %22 = OpTypeFunction %void %uint
   %uint_264 = OpConstant %uint 264
%atomicAdd_794055 = OpFunction %void None %10
         %13 = OpLabel
        %res = OpVariable %_ptr_Function_int Function %14
               OpStore %res %14
         %17 = OpAtomicISub %int %arg_0 %uint_2 %uint_0 %int_1
               OpStore %res %17
               OpReturn
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %22
%local_invocation_index_2 = OpFunctionParameter %uint
         %25 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %14
               OpControlBarrier %uint_2 %uint_2 %uint_264
         %30 = OpFunctionCall %void %atomicAdd_794055
               OpReturn
               OpFunctionEnd
%compute_main_1 = OpFunction %void None %10
         %32 = OpLabel
         %33 = OpLoad %uint %local_invocation_index_1
         %34 = OpFunctionCall %void %compute_main_inner %33
               OpReturn
               OpFunctionEnd
%compute_main_inner_1 = OpFunction %void None %22
%local_invocation_index_1_param = OpFunctionParameter %uint
         %37 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %14
               OpControlBarrier %uint_2 %uint_2 %uint_264
               OpStore %local_invocation_index_1 %local_invocation_index_1_param
         %41 = OpFunctionCall %void %compute_main_1
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %10
         %43 = OpLabel
         %45 = OpLoad %uint %local_invocation_index_1_param_1
         %44 = OpFunctionCall %void %compute_main_inner_1 %45
               OpReturn
               OpFunctionEnd