qbe

commit 238bc89271c08093ffa83e0bb7fb9f6f647b5ab0
parent 8c92b1248596d3ad70a8dcdbd6b6548641bc09a9
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Fri,  8 Apr 2016 08:33:37 -0400

fix loop header detection bug in spill

Diffstat:
M
spill.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/spill.c b/spill.c
@@ -352,9 +352,9 @@ spill(Fn *fn)
 		s1 = b->s1;
 		s2 = b->s2;
 		hd = 0;
-		if (s1 && s1->id <= n)
+		if (s1 && s1->id <= b->id)
 			hd = s1;
-		if (s2 && s2->id <= n)
+		if (s2 && s2->id <= b->id)
 		if (!hd || s2->id >= hd->id)
 			hd = s2;
 		r = 0;