; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 1
; Bound: 39
; Schema: 0
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %compute_main "compute_main" %compute_main_local_invocation_index_Input
               OpExecutionMode %compute_main LocalSize 1 1 1
               OpMemberName %tint_symbol_1 0 "tint_symbol"
               OpName %tint_symbol_1 "tint_symbol_1"
               OpName %arg_0 "arg_0"
               OpName %compute_main_local_invocation_index_Input "compute_main_local_invocation_index_Input"
               OpName %atomicSub_0d26c2 "atomicSub_0d26c2"
               OpName %res "res"
               OpName %compute_main_inner "compute_main_inner"
               OpName %tint_local_index "tint_local_index"
               OpName %compute_main "compute_main"
               OpMemberDecorate %tint_symbol_1 0 Offset 0
               OpDecorate %tint_symbol_1 Block
               OpDecorate %1 DescriptorSet 0
               OpDecorate %1 Binding 0
               OpDecorate %1 Coherent
               OpDecorate %compute_main_local_invocation_index_Input BuiltIn LocalInvocationIndex
       %uint = OpTypeInt 32 0
%tint_symbol_1 = OpTypeStruct %uint
%_ptr_StorageBuffer_tint_symbol_1 = OpTypePointer StorageBuffer %tint_symbol_1
          %1 = OpVariable %_ptr_StorageBuffer_tint_symbol_1 StorageBuffer
%_ptr_Workgroup_uint = OpTypePointer Workgroup %uint
      %arg_0 = OpVariable %_ptr_Workgroup_uint Workgroup
%_ptr_Input_uint = OpTypePointer Input %uint
%compute_main_local_invocation_index_Input = OpVariable %_ptr_Input_uint Input
         %10 = OpTypeFunction %uint
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
     %uint_1 = OpConstant %uint 1
%_ptr_Function_uint = OpTypePointer Function %uint
       %void = OpTypeVoid
         %22 = OpTypeFunction %void %uint
       %bool = OpTypeBool
   %uint_264 = OpConstant %uint 264
%_ptr_StorageBuffer_uint = OpTypePointer StorageBuffer %uint
         %35 = OpTypeFunction %void
%atomicSub_0d26c2 = OpFunction %uint None %10
         %11 = OpLabel
        %res = OpVariable %_ptr_Function_uint Function
         %12 = OpAtomicISub %uint %arg_0 %uint_2 %uint_0 %uint_1
               OpStore %res %12
         %18 = OpLoad %uint %res None
               OpReturnValue %18
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %22
%tint_local_index = OpFunctionParameter %uint
         %23 = OpLabel
         %24 = OpIEqual %bool %tint_local_index %uint_0
               OpSelectionMerge %26 None
               OpBranchConditional %24 %27 %26
         %27 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %uint_0
               OpBranch %26
         %26 = OpLabel
               OpControlBarrier %uint_2 %uint_2 %uint_264
         %31 = OpFunctionCall %uint %atomicSub_0d26c2
         %32 = OpAccessChain %_ptr_StorageBuffer_uint %1 %uint_0
               OpStore %32 %31 None
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %35
         %36 = OpLabel
         %37 = OpLoad %uint %compute_main_local_invocation_index_Input None
         %38 = OpFunctionCall %void %compute_main_inner %37
               OpReturn
               OpFunctionEnd