------- Comment #8 from rguenth at gcc dot gnu dot org 2009-01-28 12:14 ------- Subject: Bug 38926
Author: rguenth Date: Wed Jan 28 12:14:09 2009 New Revision: 143725 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143725 Log: 2009-01-28 Richard Guenther <rguent...@suse.de> PR tree-optimization/38926 * tree-ssa-pre.c (add_to_value): Assert we add only expressions with the correct value id to a value. (do_regular_insertion): Use the value number of edoubleprime for the value number of the expr. Revert 2008-08-21 Richard Guenther <rguent...@suse.de> * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting a PHI ask VN if it is already available. * tree-ssa-sccvn.h (vn_phi_lookup): Declare. * tree-ssa-sccvn.c (vn_phi_lookup): Export. * gcc.c-torture/compile/pr38926.c: New testcase. Added: trunk/gcc/testsuite/gcc.c-torture/compile/pr38926.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-pre.c trunk/gcc/tree-ssa-sccvn.c trunk/gcc/tree-ssa-sccvn.h -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38926
