aco: Make a better guess at which instructions need the VCC hint
Instead of blindly adding the VCC hint all the time in bool_to_vector_condition
, only add this hint when the result is actually used by a v_cndmask
instruction.
Instead of blindly adding the VCC hint all the time in bool_to_vector_condition
, only add this hint when the result is actually used by a v_cndmask
instruction.