[Bug tree-optimization/43415] [4.4/4.5 Regression] Consumes large amounts of memory and time in PRE at -O3

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2010-03-19 10:18 -------
Subject: Bug 43415

Author: rguenth
Date: Fri Mar 19 10:18:25 2010
New Revision: 157562

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157562
Log:
2010-03-19  Richard Guenther  <rguent...@suse.de>

        PR tree-optimization/43415
        * tree-ssa-pre.c (phi_translate): Split out worker to ...
        (phi_translate_1): ... this.
        (phi_translate): Move all caching here.  Cache all NARY
        and REFERENCE translations.

        * gcc.c-torture/compile/pr43415.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr43415.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43415