r126315 - in /branches/gcc-4_2-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jul  4 12:38:23 2007
New Revision: 126315

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126315
Log:
2007-07-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32500
	* tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
	Only use basic blocks that are always executed to infer loop bounds.

	* gcc.c-torture/execute/pr32500.c: New testcase.

Added:
    branches/gcc-4_2-branch/gcc/testsuite/gcc.c-torture/execute/pr32500.c
Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_2-branch/gcc/tree-ssa-loop-niter.c