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don't rewire keep_alive edges as they often violate SSA dominance properties
author
Matthias Braun
<matze@braunis.de>
Mon, 14 Dec 2009 13:55:34 +0000
(13:55 +0000)
committer
Matthias Braun
<matze@braunis.de>
Mon, 14 Dec 2009 13:55:34 +0000
(13:55 +0000)
[r26788]
ir/be/bessaconstr.c
patch
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diff --git
a/ir/be/bessaconstr.c
b/ir/be/bessaconstr.c
index
fd964c2
..
96d1104
100644
(file)
--- a/
ir/be/bessaconstr.c
+++ b/
ir/be/bessaconstr.c
@@
-372,11
+372,11
@@
void be_ssa_construction_fix_users_array(be_ssa_construction_env_t *env,
if(env->ignore_uses != NULL &&
ir_nodeset_contains(env->ignore_uses, use))
continue;
if(env->ignore_uses != NULL &&
ir_nodeset_contains(env->ignore_uses, use))
continue;
- if(is_Anchor(use))
+ if(is_Anchor(use)
|| is_End(use)
)
continue;
if(is_Phi(use)) {
continue;
if(is_Phi(use)) {
- ir_node *block = get_nodes_block(use);
+ ir_node *block
= get_nodes_block(use);
ir_node *predblock = get_Block_cfgpred_block(block, pos);
at = sched_last(predblock);
}
ir_node *predblock = get_Block_cfgpred_block(block, pos);
at = sched_last(predblock);
}