Author: laijx
Date: 2011-02-27 08:18:36 -0500 (Sun, 27 Feb 2011)
New Revision: 3495
Modified:
trunk/osprey/be/com/wn_cfg_template.h
Log:
Fix two bugs in WHIRL CFG:
1. Fix the assertion about the ALTENTRY. The BB contains ALTENTRY should
have one predecessor, the dummy entry.
2. Fix the segmentation fault when the next WN of TRUEBR/FALSEBR is NULL
CR by Sun.
Modified: trunk/osprey/be/com/wn_cfg_template.h
===================================================================
--- trunk/osprey/be/com/wn_cfg_template.h 2011-02-26 18:32:09 UTC (rev
3494)
+++ trunk/osprey/be/com/wn_cfg_template.h 2011-02-27 13:18:36 UTC (rev
3495)
@@ -748,7 +748,6 @@
Is_True(wn != NULL && WN_operator(wn) == OPR_ALTENTRY,
("WN is not ALTENTRY"));
Is_True(_current_bb != NULL, ("Current BB is NULL"));
- Is_True(_current_bb->Get_preds_count() == 0, ("Current BB has
predecessors"));
_current_bb = _action.Create_node(NULL, wn);
_action.Process_entry_node(_current_bb);
@@ -1093,8 +1092,10 @@
}
// create and connect BB1
- _current_bb = _action.Create_node(condgoto_bb, WN_next(wn));
- _action.Process_predsucc(condgoto_bb, _current_bb);
+ if (WN_next(wn) != NULL) {
+ _current_bb = _action.Create_node(condgoto_bb, WN_next(wn));
+ _action.Process_predsucc(condgoto_bb, _current_bb);
+ }
}
//===================================================================
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