bgfx/3rdparty/glsl-optimizer/tests/fragment/swizzle-writemask-ir.txt

void main ()
{
  vec4 c;
  float tmpvar_1;
  tmpvar_1 = dot (gl_FragCoord.xyz, vec3(1.0, 2.0, 3.0));
  float tmpvar_2;
  tmpvar_2 = tmpvar_1;
  c.x = tmpvar_2;
  vec3 tmpvar_3;
  tmpvar_3 = vec3(4.0, 5.0, 6.0);
  c.yzw = tmpvar_3.xxyz.yzw;
  vec4 tmpvar_4;
  tmpvar_4 = c;
  gl_FragColor = tmpvar_4;
}