nir/copy_propagate: do not copy-propagate MOV srcs with source modifiers

If a source operand in a MOV has source modifiers, then we cannot
copy-propagate it from the parent instruction and remove the MOV.

v2: remove the check for source source modifiers from is_move() (Jason)

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
1 file changed