; 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
               OpExecutionMode %compute_main LocalSize 1 1 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 %atomicCompareExchangeWeak_e88938 "atomicCompareExchangeWeak_e88938"
               OpName %arg_1 "arg_1"
               OpName %arg_2 "arg_2"
               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 %uint
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
         %16 = OpConstantNull %int
   %uint_264 = OpConstant %uint 264
         %19 = OpTypeFunction %void
      %int_1 = OpConstant %int 1
%_ptr_Function_int = OpTypePointer Function %int
       %bool = OpTypeBool
%__atomic_compare_exchange_result_i32 = OpTypeStruct %int %bool
%_ptr_Function___atomic_compare_exchange_result_i32 = OpTypePointer Function %__atomic_compare_exchange_result_i32
         %36 = OpConstantNull %__atomic_compare_exchange_result_i32
%tint_zero_workgroup_memory = OpFunction %void None %7
  %local_idx = OpFunctionParameter %uint
         %11 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %16
               OpControlBarrier %uint_2 %uint_2 %uint_264
               OpReturn
               OpFunctionEnd
%atomicCompareExchangeWeak_e88938 = OpFunction %void None %19
         %21 = OpLabel
      %arg_1 = OpVariable %_ptr_Function_int Function %16
      %arg_2 = OpVariable %_ptr_Function_int Function %16
        %res = OpVariable %_ptr_Function___atomic_compare_exchange_result_i32 Function %36
               OpStore %arg_1 %int_1
               OpStore %arg_2 %int_1
         %30 = OpLoad %int %arg_2
         %31 = OpLoad %int %arg_1
         %32 = OpAtomicCompareExchange %int %arg_0 %uint_2 %uint_0 %uint_0 %30 %31
         %33 = OpIEqual %bool %32 %31
         %26 = OpCompositeConstruct %__atomic_compare_exchange_result_i32 %32 %33
               OpStore %res %26
               OpReturn
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %7
%local_invocation_index = OpFunctionParameter %uint
         %39 = OpLabel
         %40 = OpFunctionCall %void %tint_zero_workgroup_memory %local_invocation_index
         %41 = OpFunctionCall %void %atomicCompareExchangeWeak_e88938
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %19
         %43 = OpLabel
         %45 = OpLoad %uint %local_invocation_index_1
         %44 = OpFunctionCall %void %compute_main_inner %45
               OpReturn
               OpFunctionEnd