Author: meiye
Date: 2011-05-23 20:21:36 -0400 (Mon, 23 May 2011)
New Revision: 3620
Modified:
trunk/osprey/be/opt/opt_cfg.cxx
trunk/osprey/be/opt/opt_proactive.cxx
Log:
skip a corner case that does not need a normalization; avoid a seg fault when
a SC node does not have a representative block. CR: Sun Chan
Modified: trunk/osprey/be/opt/opt_cfg.cxx
===================================================================
--- trunk/osprey/be/opt/opt_cfg.cxx 2011-05-24 00:18:06 UTC (rev 3619)
+++ trunk/osprey/be/opt/opt_cfg.cxx 2011-05-24 00:21:36 UTC (rev 3620)
@@ -6534,8 +6534,9 @@
BB_NODE * bb_new = Create_and_allocate_bb(BB_GOTO);
SC_NODE * sc_new = Create_sc(SC_BLOCK);
sc_new->Append_bbs(bb_new);
+
+ BB_NODE * bb_head = sc->First_bb();
- BB_NODE * bb_head = sc->Get_bb_rep();
BB_NODE * bb_prev = bb_head->Prev();
BB_LIST_ITER bb_list_iter;
BB_NODE * bb_tmp;
Modified: trunk/osprey/be/opt/opt_proactive.cxx
===================================================================
--- trunk/osprey/be/opt/opt_proactive.cxx 2011-05-24 00:18:06 UTC (rev
3619)
+++ trunk/osprey/be/opt/opt_proactive.cxx 2011-05-24 00:21:36 UTC (rev
3620)
@@ -11271,6 +11271,9 @@
std::pair<SC_NODE *, bool> p_ret = inner->Get_nesting_if();
SC_NODE * sc_n1 = p_ret.first;
SC_NODE * sc_iter = sc_n1;
+
+ if (sc_iter == outer)
+ return FALSE;
while (sc_iter && (sc_iter != outer)) {
if (!sc_iter->Is_well_behaved())
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