On Fri, 17 Feb 2017, Richard Biener wrote:
On Thu, 16 Feb 2017, Richard Biener wrote:
I am testing the following patch for PR79547. Those builtins do not
return anything that can be used to re-construct the pointer(s) passed
to them.
Queued for GCC 8.
Actually we need calluse constraints. Thus adjusted as follows.
Richard.
2017-02-17 Richard Biener <rguent...@suse.de>
PR tree-optimization/79547
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
without any constraints.
We have EAF_NOESCAPE that we are using for non-builtins, though it
probably gets little use there. Would it make sense to use it here as
well, or would that be pointless?
--
Marc Glisse
