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r146821 - in /trunk/gcc: ChangeLog cfgloop.h ip...
- From: hubicka at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Sun, 26 Apr 2009 23:35:27 -0000
- Subject: r146821 - in /trunk/gcc: ChangeLog cfgloop.h ip...
Author: hubicka
Date: Sun Apr 26 23:35:27 2009
New Revision: 146821
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=146821
Log:
* ipa-pure-const.c (struct funct_state_d): New fields
state_previously_known, looping_previously_known; remove
state_set_in_source.
(analyze_function): Use new fields.
(propagate): Avoid assumption that state_set_in_source imply
nonlooping.
* tree-ssa-loop-niter.c (finite_loop_p): New function.
* tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
* cfgloop.h (finite_loop_p): Declare.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgloop.h
trunk/gcc/ipa-pure-const.c
trunk/gcc/tree-ssa-loop-ivcanon.c
trunk/gcc/tree-ssa-loop-niter.c