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[Bug tree-optimization/57742] memset(malloc(n),0,n) -> calloc(n,1)
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 25 Jun 2014 12:27:45 +0000
- Subject: [Bug tree-optimization/57742] memset(malloc(n),0,n) -> calloc(n,1)
- Auto-submitted: auto-generated
- References: <bug-57742-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57742
--- Comment #22 from Marc Glisse <glisse at gcc dot gnu.org> ---
Author: glisse
Date: Wed Jun 25 12:27:13 2014
New Revision: 211977
URL: https://gcc.gnu.org/viewcvs?rev=211977&root=gcc&view=rev
Log:
2014-06-25 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/57742
gcc/
* tree-ssa-strlen.c (handle_builtin_memset): Update strinfo
after replacing the statement.
gcc/testsuite/
* gcc.dg/tree-ssa/calloc-3.c: New file.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/calloc-3.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-strlen.c