* tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add IGNORE_SELF
argument; set visited_control_parents for fully processed BBs.
(find_obviously_necessary_stmts): Update call of
mark_control_dependent_edges_necessary.
(propagate_necessity): Likewise; handle PHI edges more curefully.
* gcc.dg/tree-ssa/dce-1.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158004
138bc75d-0d04-0410-961f-
82ee72b054a4
+2010-04-06 Jan Hubicka <jh@suse.czpli
+
+ PR tree-optimization/42906
+
+ * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add IGNORE_SELF
+ argument; set visited_control_parents for fully processed BBs.
+ (find_obviously_necessary_stmts): Update call of
+ mark_control_dependent_edges_necessary.
+ (propagate_necessity): Likewise; handle PHI edges more curefully.
+
2010-04-06 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md: Remove comment about 'e' and 'E'
+2010-04-06 Jan Hubicka <jh@suse.czpli
+
+ PR tree-optimization/42906
+ * gcc.dg/tree-ssa/dce-1.c: New testcase.
+
2010-04-06 Tobias Burnus <burnus@net-b.de>
PR fortran/43178