; SPIR-V
; Version: 1.3
; Generator: Google Tint Compiler; 0
; Bound: 30
; Schema: 0
               OpCapability Shader
               OpMemoryModel Logical GLSL450
               OpEntryPoint GLCompute %compute_main "compute_main" %tint_symbol
               OpExecutionMode %compute_main LocalSize 1 1 1
               OpName %arg_0 "arg_0"
               OpName %tint_symbol "tint_symbol"
               OpName %atomicExchange_0a5dca "atomicExchange_0a5dca"
               OpName %res "res"
               OpName %compute_main "compute_main"
               OpDecorate %tint_symbol BuiltIn LocalInvocationIndex
       %uint = OpTypeInt 32 0
%_ptr_Workgroup_uint = OpTypePointer Workgroup %uint
      %arg_0 = OpVariable %_ptr_Workgroup_uint Workgroup
%_ptr_Input_uint = OpTypePointer Input %uint
%tint_symbol = OpVariable %_ptr_Input_uint Input
       %void = OpTypeVoid
          %6 = OpTypeFunction %void
     %uint_2 = OpConstant %uint 2
     %uint_0 = OpConstant %uint 0
     %uint_1 = OpConstant %uint 1
%_ptr_Function_uint = OpTypePointer Function %uint
         %17 = OpConstantNull %uint
       %bool = OpTypeBool
   %uint_264 = OpConstant %uint 264
%atomicExchange_0a5dca = OpFunction %void None %6
          %9 = OpLabel
        %res = OpVariable %_ptr_Function_uint Function %17
         %10 = OpAtomicExchange %uint %arg_0 %uint_2 %uint_0 %uint_1
               OpStore %res %10
               OpReturn
               OpFunctionEnd
%compute_main = OpFunction %void None %6
         %19 = OpLabel
         %20 = OpLoad %uint %tint_symbol
         %21 = OpIEqual %bool %20 %uint_0
               OpSelectionMerge %23 None
               OpBranchConditional %21 %24 %23
         %24 = OpLabel
               OpAtomicStore %arg_0 %uint_2 %uint_0 %17
               OpBranch %23
         %23 = OpLabel
               OpControlBarrier %uint_2 %uint_2 %uint_264
         %29 = OpFunctionCall %void %atomicExchange_0a5dca
               OpReturn
               OpFunctionEnd