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

varying vec2 uv;
uniform sampler2D tex;
void main ()
{
  vec4 v_1;
  vec4 tmpvar_2;
  tmpvar_2 = texture2D (tex, uv);
  vec4 tmpvar_3;
  tmpvar_3 = tmpvar_2;
  v_1 = tmpvar_3;
  vec2 tmpvar_4;
  tmpvar_4 = v_1.yx;
  v_1.xy = tmpvar_4.xy.xy;
  float tmpvar_5;
  tmpvar_5 = -(v_1.x);
  v_1.x = tmpvar_5;
  vec4 tmpvar_6;
  tmpvar_6 = v_1;
  gl_FragColor = tmpvar_6;
}