bgfx/3rdparty/glsl-optimizer/tests/vertex/loops-forsimple-in.txt

uniform vec4 uniColors[4];
varying vec4 varColor;
void main() {
	gl_Position = gl_Vertex;
	vec4 col = vec4(0.0);
	for (int i = 0; i < 4; ++i)
		col += uniColors[i];
	varColor = col;
}