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[Bug tree-optimization/38865] missing FRE with VIEW_CONVERT_EXPR
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Jun 2009 19:00:52 -0000
- Subject: [Bug tree-optimization/38865] missing FRE with VIEW_CONVERT_EXPR
- References: <bug-38865-6528@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from pinskia at gcc dot gnu dot org 2009-06-12 19:00 -------
Subject: Bug 38865
Author: pinskia
Date: Fri Jun 12 19:00:39 2009
New Revision: 148437
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=148437
Log:
2009-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/38865
* tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
is returns NULL and OP is a VCE, look through the VCE.
2009-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR tree-opt/38865
* gcc.dg/tree-ssa/fre-vce-1.c
:
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/fre-vce-1.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38865