qbe

commit c6f3adc52d375d434e3dfd2d23056f0bfdbcdc67
parent 5873a7dc1e805b601c49f607fcb11692e3b5e74a
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Mon, 18 Apr 2016 13:54:17 -0400

phis can assign slots after spill

Diffstat:
M
live.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/live.c b/live.c
@@ -8,7 +8,8 @@ liveon(BSet *v, Blk *b, Blk *s)
 
 	bscopy(v, s->in);
 	for (p=s->phi; p; p=p->link)
-		bsclr(v, p->to.val);
+		if (rtype(p->to) == RTmp)
+			bsclr(v, p->to.val);
 	for (p=s->phi; p; p=p->link)
 		for (a=0; a<p->narg; a++)
 			if (p->blk[a] == b)