|  | #include <metal_stdlib> | 
|  | using namespace metal; | 
|  |  | 
|  | int f() { | 
|  | int i = 0; | 
|  | int j = 0; | 
|  | { | 
|  | uint2 tint_loop_idx = uint2(4294967295u); | 
|  | while(true) { | 
|  | if (all((tint_loop_idx == uint2(0u)))) { | 
|  | break; | 
|  | } | 
|  | if ((i > 4)) { | 
|  | return 1; | 
|  | } | 
|  | { | 
|  | uint2 tint_loop_idx_1 = uint2(4294967295u); | 
|  | while(true) { | 
|  | if (all((tint_loop_idx_1 == uint2(0u)))) { | 
|  | break; | 
|  | } | 
|  | if ((j > 4)) { | 
|  | return 2; | 
|  | } | 
|  | { | 
|  | uint const tint_low_inc_1 = (tint_loop_idx_1.x - 1u); | 
|  | tint_loop_idx_1.x = tint_low_inc_1; | 
|  | uint const tint_carry_1 = uint((tint_low_inc_1 == 4294967295u)); | 
|  | tint_loop_idx_1.y = (tint_loop_idx_1.y - tint_carry_1); | 
|  | j = as_type<int>((as_type<uint>(j) + as_type<uint>(1))); | 
|  | } | 
|  | continue; | 
|  | } | 
|  | } | 
|  | /* unreachable */ | 
|  | return 0; | 
|  | } | 
|  | } | 
|  | /* unreachable */ | 
|  | return 0; | 
|  | } |