; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 55
; 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 %tint_zero_workgroup_memory "tint_zero_workgroup_memory"
               OpName %local_idx "local_idx"
               OpName %atomicSub_77883a "atomicSub_77883a"
               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 %uint
     %uint_1 = OpConstant %uint 1
       %bool = OpTypeBool
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
         %24 = OpConstantNull %int
   %uint_264 = OpConstant %uint 264
         %27 = OpTypeFunction %void
%_ptr_Function_int = OpTypePointer Function %int
      %int_1 = OpConstant %int 1
%tint_zero_workgroup_memory = OpFunction %void None %10
  %local_idx = OpFunctionParameter %uint
         %14 = OpLabel
         %16 = OpULessThan %bool %local_idx %uint_1
               OpSelectionMerge %18 None
               OpBranchConditional %16 %19 %18
         %19 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %24
               OpBranch %18
         %18 = OpLabel
               OpControlBarrier %uint_2 %uint_2 %uint_264
               OpReturn
               OpFunctionEnd
%atomicSub_77883a = OpFunction %void None %27
         %29 = OpLabel
        %res = OpVariable %_ptr_Function_int Function %24
               OpStore %res %24
         %32 = OpAtomicISub %int %arg_0 %uint_2 %uint_0 %int_1
               OpStore %res %32
               OpReturn
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %10
%local_invocation_index_2 = OpFunctionParameter %uint
         %37 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %24
               OpControlBarrier %uint_2 %uint_2 %uint_264
         %41 = OpFunctionCall %void %atomicSub_77883a
               OpReturn
               OpFunctionEnd
%compute_main_1 = OpFunction %void None %27
         %43 = OpLabel
         %44 = OpLoad %uint %local_invocation_index_1
         %45 = OpFunctionCall %void %compute_main_inner %44
               OpReturn
               OpFunctionEnd
%compute_main_inner_1 = OpFunction %void None %10
%local_invocation_index_1_param = OpFunctionParameter %uint
         %48 = OpLabel
         %49 = OpFunctionCall %void %tint_zero_workgroup_memory %local_invocation_index_1_param
               OpStore %local_invocation_index_1 %local_invocation_index_1_param
         %50 = OpFunctionCall %void %compute_main_1
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %27
         %52 = OpLabel
         %54 = OpLoad %uint %local_invocation_index_1_param_1
         %53 = OpFunctionCall %void %compute_main_inner_1 %54
               OpReturn
               OpFunctionEnd