; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 37
; 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 %arg_0 "arg_0"
               OpName %atomicCompareExchangeWeak_e88938 "atomicCompareExchangeWeak_e88938"
               OpName %__atomic_compare_exchange_result_i32 "__atomic_compare_exchange_result_i32"
               OpMemberName %__atomic_compare_exchange_result_i32 0 "old_value"
               OpMemberName %__atomic_compare_exchange_result_i32 1 "exchanged"
               OpName %res "res"
               OpName %compute_main_inner "compute_main_inner"
               OpName %local_invocation_index "local_invocation_index"
               OpName %compute_main "compute_main"
               OpDecorate %local_invocation_index_1 BuiltIn LocalInvocationIndex
               OpMemberDecorate %__atomic_compare_exchange_result_i32 0 Offset 0
               OpMemberDecorate %__atomic_compare_exchange_result_i32 1 Offset 4
       %uint = OpTypeInt 32 0
%_ptr_Input_uint = OpTypePointer Input %uint
%local_invocation_index_1 = OpVariable %_ptr_Input_uint Input
        %int = OpTypeInt 32 1
%_ptr_Workgroup_int = OpTypePointer Workgroup %int
      %arg_0 = OpVariable %_ptr_Workgroup_int Workgroup
       %void = OpTypeVoid
          %7 = OpTypeFunction %void
       %bool = OpTypeBool
%__atomic_compare_exchange_result_i32 = OpTypeStruct %int %bool
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
      %int_1 = OpConstant %int 1
%_ptr_Function___atomic_compare_exchange_result_i32 = OpTypePointer Function %__atomic_compare_exchange_result_i32
         %22 = OpConstantNull %__atomic_compare_exchange_result_i32
         %23 = OpTypeFunction %void %uint
         %29 = OpConstantNull %int
   %uint_264 = OpConstant %uint 264
%atomicCompareExchangeWeak_e88938 = OpFunction %void None %7
         %10 = OpLabel
        %res = OpVariable %_ptr_Function___atomic_compare_exchange_result_i32 Function %22
         %18 = OpAtomicCompareExchange %int %arg_0 %uint_2 %uint_0 %uint_0 %int_1 %int_1
         %19 = OpIEqual %bool %18 %int_1
         %11 = OpCompositeConstruct %__atomic_compare_exchange_result_i32 %18 %19
               OpStore %res %11
               OpReturn
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %23
%local_invocation_index = OpFunctionParameter %uint
         %26 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %29
               OpControlBarrier %uint_2 %uint_2 %uint_264
         %32 = OpFunctionCall %void %atomicCompareExchangeWeak_e88938
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %7
         %34 = OpLabel
         %36 = OpLoad %uint %local_invocation_index_1
         %35 = OpFunctionCall %void %compute_main_inner %36
               OpReturn
               OpFunctionEnd