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[Bug tree-optimization/69270] DOM should exploit range information to create more equivalences
- From: "law at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 14 Jan 2016 07:38:50 +0000
- Subject: [Bug tree-optimization/69270] DOM should exploit range information to create more equivalences
- Auto-submitted: auto-generated
- References: <bug-69270-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69270
--- Comment #1 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Thu Jan 14 07:38:18 2016
New Revision: 232361
URL: https://gcc.gnu.org/viewcvs?rev=232361&root=gcc&view=rev
Log:
[PATCH][PR tree-optimization/69270] Exploit VRP information in DOM
PR tree-optimization/69270
* tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
(record_edge_info): Use it. Convert boolean_{true,false}_node
to the type of op0.
PR tree-optimization/69270
* gcc.dg/tree-ssa/pr69270.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr69270.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-dom.c