#include <metal_stdlib>

using namespace metal;
void main_1(thread uint* const tint_symbol_1) {
  *(tint_symbol_1) = 0u;
  while (true) {
    *(tint_symbol_1) = 1u;
    *(tint_symbol_1) = 2u;
    if (false) {
    } else {
      break;
    }
    *(tint_symbol_1) = 3u;
    {
      *(tint_symbol_1) = 4u;
    }
  }
  *(tint_symbol_1) = 5u;
  return;
}

fragment void tint_symbol() {
  thread uint tint_symbol_2 = 0u;
  main_1(&(tint_symbol_2));
  return;
}

