; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 60
; 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 %atomicCompareExchangeWeak_83580d "atomicCompareExchangeWeak_83580d"
               OpName %x__atomic_compare_exchange_resultu32 "x__atomic_compare_exchange_resultu32"
               OpMemberName %x__atomic_compare_exchange_resultu32 0 "old_value"
               OpMemberName %x__atomic_compare_exchange_resultu32 1 "exchanged"
               OpName %res "res"
               OpName %__atomic_compare_exchange_result_u32 "__atomic_compare_exchange_result_u32"
               OpMemberName %__atomic_compare_exchange_result_u32 0 "old_value"
               OpMemberName %__atomic_compare_exchange_result_u32 1 "exchanged"
               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
               OpMemberDecorate %x__atomic_compare_exchange_resultu32 0 Offset 0
               OpMemberDecorate %x__atomic_compare_exchange_resultu32 1 Offset 4
               OpMemberDecorate %__atomic_compare_exchange_result_u32 0 Offset 0
               OpMemberDecorate %__atomic_compare_exchange_result_u32 1 Offset 4
       %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
%_ptr_Workgroup_uint = OpTypePointer Workgroup %uint
      %arg_0 = OpVariable %_ptr_Workgroup_uint Workgroup
       %void = OpTypeVoid
          %9 = OpTypeFunction %void %uint
     %uint_1 = OpConstant %uint 1
       %bool = OpTypeBool
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
   %uint_264 = OpConstant %uint 264
         %25 = OpTypeFunction %void
%x__atomic_compare_exchange_resultu32 = OpTypeStruct %uint %bool
         %29 = OpConstantNull %x__atomic_compare_exchange_resultu32
%_ptr_Function_x__atomic_compare_exchange_resultu32 = OpTypePointer Function %x__atomic_compare_exchange_resultu32
%__atomic_compare_exchange_result_u32 = OpTypeStruct %uint %bool
%tint_zero_workgroup_memory = OpFunction %void None %9
  %local_idx = OpFunctionParameter %uint
         %13 = OpLabel
         %15 = OpULessThan %bool %local_idx %uint_1
               OpSelectionMerge %17 None
               OpBranchConditional %15 %18 %17
         %18 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %6
               OpBranch %17
         %17 = OpLabel
               OpControlBarrier %uint_2 %uint_2 %uint_264
               OpReturn
               OpFunctionEnd
%atomicCompareExchangeWeak_83580d = OpFunction %void None %25
         %27 = OpLabel
        %res = OpVariable %_ptr_Function_x__atomic_compare_exchange_resultu32 Function %29
               OpStore %res %29
         %35 = OpAtomicCompareExchange %uint %arg_0 %uint_2 %uint_0 %uint_0 %uint_1 %uint_1
         %36 = OpIEqual %bool %35 %uint_1
         %32 = OpCompositeConstruct %__atomic_compare_exchange_result_u32 %35 %36
         %37 = OpCompositeExtract %uint %32 0
         %38 = OpIEqual %bool %37 %uint_1
         %39 = OpCompositeConstruct %x__atomic_compare_exchange_resultu32 %37 %38
               OpStore %res %39
               OpReturn
               OpFunctionEnd
%compute_main_inner = OpFunction %void None %9
%local_invocation_index_2 = OpFunctionParameter %uint
         %42 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %6
               OpControlBarrier %uint_2 %uint_2 %uint_264
         %46 = OpFunctionCall %void %atomicCompareExchangeWeak_83580d
               OpReturn
               OpFunctionEnd
%compute_main_1 = OpFunction %void None %25
         %48 = OpLabel
         %49 = OpLoad %uint %local_invocation_index_1
         %50 = OpFunctionCall %void %compute_main_inner %49
               OpReturn
               OpFunctionEnd
%compute_main_inner_1 = OpFunction %void None %9
%local_invocation_index_1_param = OpFunctionParameter %uint
         %53 = OpLabel
         %54 = OpFunctionCall %void %tint_zero_workgroup_memory %local_invocation_index_1_param
               OpStore %local_invocation_index_1 %local_invocation_index_1_param
         %55 = OpFunctionCall %void %compute_main_1
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %25
         %57 = OpLabel
         %59 = OpLoad %uint %local_invocation_index_1_param_1
         %58 = OpFunctionCall %void %compute_main_inner_1 %59
               OpReturn
               OpFunctionEnd