1 uniform half4 colorRed, colorGreen;
8 half4 main(float2 coords) {
9 // All of these assignments can be preserved.
10 half4 x = half4(3, 2, 1, 0);
24 // All of these assignments should be eliminated.
33 return half4(x.w, s.i / s.j, a[0] - a[1], a[0] * a[1]);