python/regress: Add vertex shader LRP test.

src/gallium/state_trackers/python/tests/regress/vertex-shader/vert-lrp.sh

@@ -0,0 +1,14 @@
+VERT1.1
+
+DCL IN[0], POSITION
+DCL IN[1], COLOR
+DCL OUT[0], POSITION
+DCL OUT[1], COLOR
+
+DCL TEMP[0]
+
+ABS TEMP[0], IN[0]
+MOV OUT[0], IN[0]
+LRP OUT[1], TEMP[0], IN[1].xxxx, IN[1].yyyy
+
+END

src/gallium/state_trackers/python/tests/regress/vertex-shader/vertex-shader.py

@@ -218,6 +218,7 @@ def main():
         'dst',
         'ex2',
         'frc',
+        'lrp',
         'mov',
         'mul',
         'sub',