[Bug c/78408] C loop initial declarations generate wrong code
jakub at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Fri Dec 16 15:58:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78408
--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Dec 16 15:57:43 2016
New Revision: 243753
URL: https://gcc.gnu.org/viewcvs?rev=243753&root=gcc&view=rev
Log:
PR c/78408
* tree-ssa-ccp.c: Include tree-dfa.h.
(optimize_memcpy): New function.
(pass_fold_builtins::execute): Use it. Remove useless conditional
break after BUILT_IN_VA_*.
* gcc.dg/pr78408-1.c: New test.
* gcc.dg/pr78408-2.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr78408-1.c
trunk/gcc/testsuite/gcc.dg/pr78408-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/sanopt.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-ccp.c
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