------- Comment #19 from rguenth at gcc dot gnu dot org 2009-04-06 14:55 ------- Subject: Bug 28868
Author: rguenth Date: Mon Apr 6 14:55:31 2009 New Revision: 145607 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145607 Log: 2009-04-06 Richard Guenther <rguent...@suse.de> PR tree-optimization/28868 * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track of which PHI results we inserted. (insert_into_preds_of_block): Record inserted PHIs. (eliminate): Eliminate redundant PHI nodes. (init_pre): Init inserted_phi_names. * gcc.dg/tree-ssa/ssa-fre-21.c: New testcase. * gcc.dg/tree-ssa/ssa-sccvn-1.c: Adjust. * gcc.dg/tree-ssa/ssa-sccvn-2.c: Likewise. * gcc.dg/tree-ssa/ssa-sccvn-4.c: Likewise. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-23.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-1.c trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-2.c trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-sccvn-4.c trunk/gcc/tree-ssa-pre.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28868
