#include <metal_stdlib>

using namespace metal;
void main_1(thread uint* const tint_symbol_1) {
  *(tint_symbol_1) = 10u;
  while (true) {
    *(tint_symbol_1) = 20u;
    if (false) {
      *(tint_symbol_1) = 30u;
      {
        *(tint_symbol_1) = 90u;
      }
      continue;
    } else {
      *(tint_symbol_1) = 40u;
    }
    {
      *(tint_symbol_1) = 90u;
    }
  }
  *(tint_symbol_1) = 99u;
  return;
}

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

