|  | 
 | int f() { | 
 |   int i = int(0); | 
 |   int j = int(0); | 
 |   { | 
 |     uint2 tint_loop_idx = (4294967295u).xx; | 
 |     while(true) { | 
 |       if (all((tint_loop_idx == (0u).xx))) { | 
 |         break; | 
 |       } | 
 |       if ((i > int(4))) { | 
 |         return int(1); | 
 |       } | 
 |       { | 
 |         uint2 tint_loop_idx_1 = (4294967295u).xx; | 
 |         while(true) { | 
 |           if (all((tint_loop_idx_1 == (0u).xx))) { | 
 |             break; | 
 |           } | 
 |           if ((j > int(4))) { | 
 |             return int(2); | 
 |           } | 
 |           { | 
 |             uint tint_low_inc_1 = (tint_loop_idx_1.x - 1u); | 
 |             tint_loop_idx_1.x = tint_low_inc_1; | 
 |             uint tint_carry_1 = uint((tint_low_inc_1 == 4294967295u)); | 
 |             tint_loop_idx_1.y = (tint_loop_idx_1.y - tint_carry_1); | 
 |             j = (j + int(1)); | 
 |           } | 
 |           continue; | 
 |         } | 
 |       } | 
 |       /* unreachable */ | 
 |       return int(0); | 
 |     } | 
 |   } | 
 |   /* unreachable */ | 
 |   return int(0); | 
 | } | 
 |  | 
 | [numthreads(1, 1, 1)] | 
 | void unused_entry_point() { | 
 | } | 
 |  |