[Bug tree-optimization/53265] Warn when undefined behavior implies smaller iteration count

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53265

--- Comment #26 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-14 10:54:45 UTC ---
Author: jakub
Date: Thu Mar 14 10:54:38 2013
New Revision: 196655

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196655
Log:
    PR tree-optimization/53265
    * gcc.dg/graphite/scop-3.c (toto): Increase array size to avoid
    undefined behavior.
    * gcc.dg/graphite/id-6.c (test): Likewise.
    * gcc.dg/graphite/pr35356-2.c: Adjust regexp patterns to only look for
    MIN_EXPR and MAX_EXPR in GIMPLE stmts.

Modified:
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/graphite/id-6.c
    trunk/gcc/testsuite/gcc.dg/graphite/pr35356-2.c
    trunk/gcc/testsuite/gcc.dg/graphite/scop-3.c