| half4 main() { | |
| half4 result = half4(0); | |
| // Two variables, both used | |
| for (half a = 0, b = 0; a < 10 && b < 10; ++a, ++b) { | |
| result.r += a; | |
| result.g += b; | |
| } | |
| // Two variables, one dead | |
| for (int c = 0, d = 0; c < 10; ++c) { | |
| result.b += 1; | |
| } | |
| // Three variables, all used, some array-typed | |
| for (float d[2] = float[2](0, 10), e[4] = float[4](1,2,3,4), f = 9; d[0] < d[1]; ++d[0]) { | |
| result.a = half(e[0] * f); | |
| } | |
| // Four variables, all dead | |
| for (half4 x, y, z, w;; ) break; | |
| return result; | |
| } |