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[Bug tree-optimization/82697] [6/7 Regression] Wrong optimization with aliasing and "if"
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 24 Oct 2017 13:52:16 +0000
- Subject: [Bug tree-optimization/82697] [6/7 Regression] Wrong optimization with aliasing and "if"
- Auto-submitted: auto-generated
- References: <bug-82697-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82697
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Oct 24 13:51:45 2017
New Revision: 254047
URL: https://gcc.gnu.org/viewcvs?rev=254047&root=gcc&view=rev
Log:
2017-10-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/82697
* tree-ssa-phiopt.c (cond_store_replacement): Use alias-set
zero for conditional load and unconditional store.
* gcc.dg/torture/pr82697.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr82697.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-phiopt.c