r158548 - in /branches/gcc-4_5-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Apr 20 09:04:05 2010
New Revision: 158548

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158548
Log:
2010-04-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43796
	* tree-vrp.c (adjust_range_with_scev): Lookup init and step
	from SCEV in the lattice.
	(vrp_visit_phi_node): Dump change.

	* gfortran.dg/pr43796.f90: New testcase.

Added:
    branches/gcc-4_5-branch/gcc/testsuite/gfortran.dg/pr43796.f90
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_5-branch/gcc/tree-vrp.c