out vec4 sk_FragColor; uniform vec4 colorGreen; vec4 main() { for (int _13_x = 0;_13_x < 1; ++_13_x) { } int _15_i = 123; do { } while (_15_i-- > 0); int _17_i = 123; while (_17_i-- > 0) { } return colorGreen; }