#include <metal_stdlib>

using namespace metal;
struct S {
  float2 field0;
  uint field1;
  int field2;
};

void main_1() {
  uint2 const x_1 = uint2(3u, 4u);
  uint const x_2 = 3u;
  uint const x_10 = x_1[x_2];
  return;
}

kernel void tint_symbol() {
  main_1();
  return;
}

