[Bug middle-end/60092] posix_memalign not recognized to derive alias and alignment info

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60092

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Feb  7 09:33:23 2014
New Revision: 207595

URL: http://gcc.gnu.org/viewcvs?rev=207595&root=gcc&view=rev
Log:
2014-02-07  Richard Biener  <rguent...@suse.de>

    PR middle-end/60092
    * builtin-types.def (BT_FN_INT_PTRPTR_SIZE_SIZE): Add.
    * builtins.def (BUILT_IN_POSIX_MEMALIGN): Likewise.
    * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
    Handle BUILT_IN_POSIX_MEMALIGN.
    (find_func_clobbers): Likewise.
    * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Likewise.
    (call_may_clobber_ref_p_1): Likewise.

    * gcc.dg/tree-ssa/alias-30.c: New testcase.
    * gcc.dg/tree-ssa/alias-31.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/alias-30.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/alias-31.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtin-types.def
    trunk/gcc/builtins.def
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-alias.c
    trunk/gcc/tree-ssa-structalias.c