1cb93a386Sopenharmony_ciuniform half4 colorGreen, colorRed;
2cb93a386Sopenharmony_ci
3cb93a386Sopenharmony_ciinline bool shouldLoop(half4 value) {
4cb93a386Sopenharmony_ci    return value != colorGreen;
5cb93a386Sopenharmony_ci}
6cb93a386Sopenharmony_ci
7cb93a386Sopenharmony_cihalf4 main(float2 coords) {
8cb93a386Sopenharmony_ci    half4 result = colorRed;
9cb93a386Sopenharmony_ci    do {
10cb93a386Sopenharmony_ci        result = colorGreen;
11cb93a386Sopenharmony_ci    } while (shouldLoop(result));
12cb93a386Sopenharmony_ci    return result;
13cb93a386Sopenharmony_ci}
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