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[Bug tree-optimization/25485] VRP misses an "if" with TRUTH_AND_EXPR statement that could be optimized away
- From: "kazu at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Jan 2006 15:42:17 -0000
- Subject: [Bug tree-optimization/25485] VRP misses an "if" with TRUTH_AND_EXPR statement that could be optimized away
- References: <bug-25485-5009@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from kazu at gcc dot gnu dot org 2006-01-14 15:42 -------
Subject: Bug 25485
Author: kazu
Date: Sat Jan 14 15:42:11 2006
New Revision: 109704
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=109704
Log:
gcc/
PR tree-optimization/25485
* tree-vrp.c (extract_range_from_binary_expr): Handle cases
where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
is known to be false and true, respectively.
gcc/testsuite/
PR tree-optimization/25485
* gcc.dg/tree-ssa/pr25485.c: New.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr25485.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25485