; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 45
; 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 %__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_1 = OpConstant %uint 1
       %bool = OpTypeBool
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
         %21 = OpConstantNull %int
   %uint_264 = OpConstant %uint 264
         %24 = OpTypeFunction %void
%__atomic_compare_exchange_result_i32 = OpTypeStruct %int %bool
      %int_1 = OpConstant %int 1
%_ptr_Function___atomic_compare_exchange_result_i32 = OpTypePointer Function %__atomic_compare_exchange_result_i32
         %35 = OpConstantNull %__atomic_compare_exchange_result_i32
%tint_zero_workgroup_memory = OpFunction %void None %7
  %local_idx = OpFunctionParameter %uint
         %11 = OpLabel
         %13 = OpULessThan %bool %local_idx %uint_1
               OpSelectionMerge %15 None
               OpBranchConditional %13 %16 %15
         %16 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %21
               OpBranch %15
         %15 = OpLabel
               OpControlBarrier %uint_2 %uint_2 %uint_264
               OpReturn
               OpFunctionEnd
%atomicCompareExchangeWeak_e88938 = OpFunction %void None %24
         %26 = OpLabel
        %res = OpVariable %_ptr_Function___atomic_compare_exchange_result_i32 Function %35
         %31 = OpAtomicCompareExchange %int %arg_0 %uint_2 %uint_0 %uint_0 %int_1 %int_1
         %32 = OpIEqual %bool %31 %int_1
         %27 = OpCompositeConstruct %__atomic_compare_exchange_result_i32 %31 %32
               OpStore %res %27
               OpReturn
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %7
%local_invocation_index = OpFunctionParameter %uint
         %38 = OpLabel
         %39 = OpFunctionCall %void %tint_zero_workgroup_memory %local_invocation_index
         %40 = OpFunctionCall %void %atomicCompareExchangeWeak_e88938
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %24
         %42 = OpLabel
         %44 = OpLoad %uint %local_invocation_index_1
         %43 = OpFunctionCall %void %compute_main_inner %44
               OpReturn
               OpFunctionEnd