SKIP: FAILED

void set_float3(inout float3 vec, int idx, float val) {
  vec = (idx.xxx == int3(0, 1, 2)) ? val.xxx : vec;
}

static float4 x_GLF_color = float4(0.0f, 0.0f, 0.0f, 0.0f);

void main_1() {
  float4x3 m43 = float4x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
  int ll1 = 0;
  int rows = 0;
  int ll4 = 0;
  int ll2 = 0;
  int c = 0;
  float4x3 tempm43 = float4x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
  int ll3 = 0;
  int d = 0;
  int r = 0;
  float sums[9] = (float[9])0;
  int idx = 0;
  m43 = float4x3(float3(1.0f, 0.0f, 0.0f), float3(0.0f, 1.0f, 0.0f), float3(0.0f, 0.0f, 1.0f), float3(0.0f, 0.0f, 0.0f));
  ll1 = 0;
  rows = 2;
  [loop] while (true) {
    if (true) {
    } else {
      break;
    }
    x_GLF_color = float4(1.0f, 0.0f, 0.0f, 1.0f);
    if ((ll1 >= 5)) {
      break;
    }
    ll1 = (ll1 + 1);
    ll4 = 10;
    ll2 = 0;
    c = 0;
    {
      [loop] for(; (c < 1); c = (c + 1)) {
        if ((ll2 >= 0)) {
          break;
        }
        ll2 = (ll2 + 1);
        tempm43 = m43;
        ll3 = 0;
        d = 0;
        {
          [loop] for(; (1 < ll4); d = (d + 1)) {
            bool tint_tmp = (d >= 0);
            if (tint_tmp) {
              tint_tmp = (d < 4);
            }
            bool tint_tmp_1 = (r >= 0);
            if (tint_tmp_1) {
              tint_tmp_1 = (r < 3);
            }
            set_float3(tempm43[((tint_tmp) ? d : 0)], ((tint_tmp_1) ? r : 0), 1.0f);
          }
        }
        bool tint_tmp_2 = (idx >= 0);
        if (tint_tmp_2) {
          tint_tmp_2 = (idx < 9);
        }
        const int x_111 = ((tint_tmp_2) ? idx : 0);
        const float x_113 = m43[c].y;
        const float x_115 = sums[x_111];
        sums[x_111] = (x_115 + x_113);
      }
    }
    idx = (idx + 1);
  }
  return;
}

struct main_out {
  float4 x_GLF_color_1;
};
struct tint_symbol {
  float4 x_GLF_color_1 : SV_Target0;
};

main_out main_inner() {
  main_1();
  const main_out tint_symbol_1 = {x_GLF_color};
  return tint_symbol_1;
}

tint_symbol main() {
  const main_out inner_result = main_inner();
  tint_symbol wrapper_result = (tint_symbol)0;
  wrapper_result.x_GLF_color_1 = inner_result.x_GLF_color_1;
  return wrapper_result;
}
C:\src\tint\test\Shader@0x0000026405D97AD0(46,18-46): error X3531: can't unroll loops marked with loop attribute