projects
/
libfirm
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
0b1140d
)
fix endless loops
author
Matthias Braun
<matze@braunis.de>
Wed, 1 Oct 2008 14:05:41 +0000
(14:05 +0000)
committer
Matthias Braun
<matze@braunis.de>
Wed, 1 Oct 2008 14:05:41 +0000
(14:05 +0000)
[r22393]
ir/be/bespillbelady.c
patch
|
blob
|
history
diff --git
a/ir/be/bespillbelady.c
b/ir/be/bespillbelady.c
index
6f0b45a
..
0966693
100644
(file)
--- a/
ir/be/bespillbelady.c
+++ b/
ir/be/bespillbelady.c
@@
-870,10
+870,14
@@
static void fix_block_borders(ir_node *block, void *data)
DB((dbg, DBG_FIX, "\n"));
DB((dbg, DBG_FIX, "Fixing %+F\n", block));
+ arity = get_irn_arity(block);
+ /* can happen for endless loops */
+ if (arity == 0)
+ return;
+
start_workset = get_block_info(block)->start_workset;
/* process all pred blocks */
- arity = get_irn_arity(block);
for (i = 0; i < arity; ++i) {
ir_node *pred = get_Block_cfgpred_block(block, i);
workset_t *pred_end_workset = get_block_info(pred)->end_workset;