The unSSA step used to try to maintain the liveness info while creating the copies but this can't be done so simply (what is updated is only the liveness for the current bb while it needs to be done for all concerned bbs). If/when liveness is needed after this step, it need to be redone by calling track_pseudo_liveness(). Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx> --- unssa.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/unssa.c b/unssa.c index 382095d7..85b1388d 100644 --- a/unssa.c +++ b/unssa.c @@ -49,9 +49,6 @@ static void replace_phi_node(struct instruction *phi) tmp->ident = phi->target->ident; tmp->def = NULL; // defined by all the phisrc - // update the current liveness - remove_pseudo(&phi->bb->needs, phi->target); - add_pseudo(&phi->bb->needs, tmp); track_phi_uses(phi); phi->opcode = OP_COPY; -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
