1uniform half4 colorGreen; 2 3half4 main(float2 coords) { 4 // We should see only one `OpConstantComposite %v2float %float_3 %float_3` in the output. 5 float2 a = max(coords, 3.0); 6 float2 b = min(coords, 3.0); 7 a = b; 8 return colorGreen; 9} 10