| struct SB_RW_atomic { | 
 |   /* @offset(0) */ | 
 |   arg_0 : atomic<u32>, | 
 | } | 
 |  | 
 | struct SB_RW { | 
 |   /* @offset(0) */ | 
 |   arg_0 : u32, | 
 | } | 
 |  | 
 | struct x__atomic_compare_exchange_resultu32 { | 
 |   /* @offset(0) */ | 
 |   old_value : u32, | 
 |   /* @offset(4) */ | 
 |   exchanged : bool, | 
 | } | 
 |  | 
 | @group(0) @binding(0) var<storage, read_write> sb_rw : SB_RW_atomic; | 
 |  | 
 | fn atomicCompareExchangeWeak_63d8e6() { | 
 |   var res = x__atomic_compare_exchange_resultu32(0u, false); | 
 |   let old_value_1 = atomicCompareExchangeWeak(&(sb_rw.arg_0), 1u, 1u).old_value; | 
 |   let x_17 = old_value_1; | 
 |   res = x__atomic_compare_exchange_resultu32(x_17, (x_17 == 1u)); | 
 |   return; | 
 | } | 
 |  | 
 | fn fragment_main_1() { | 
 |   atomicCompareExchangeWeak_63d8e6(); | 
 |   return; | 
 | } | 
 |  | 
 | @fragment | 
 | fn fragment_main() { | 
 |   fragment_main_1(); | 
 | } | 
 |  | 
 | fn compute_main_1() { | 
 |   atomicCompareExchangeWeak_63d8e6(); | 
 |   return; | 
 | } | 
 |  | 
 | @compute @workgroup_size(1i, 1i, 1i) | 
 | fn compute_main() { | 
 |   compute_main_1(); | 
 | } |