r229755 - in /trunk/gcc: ChangeLog testsuite/Ch...

[vries@gcc.gnu.org]

Author: vries
Date: Wed Nov  4 14:18:43 2015
New Revision: 229755

URL: https://gcc.gnu.org/viewcvs?rev=229755&root=gcc&view=rev
Log:
Handle recursive restrict in function parameter

2015-11-04  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/67742
	* tree-ssa-structalias.c (struct fieldoff): Add restrict_pointed_type
	field.
	(push_fields_onto_fieldstack): Handle restrict_pointed_type field.
	(create_variable_info_for_1): Add and handle handle_param parameter.
	Add restrict handling.
	(create_variable_info_for): Call create_variable_info_for_1 with extra
	arg.
	(make_param_constraints): Drop restrict_name parameter.  Ignore
	vi->only_restrict_pointers.
	(intra_create_variable_infos): Call create_variable_info_for_1 with
	extra arg.  Remove restrict handling.  Call make_param_constraints with
	one less arg.

	* gcc.dg/tree-ssa/restrict-7.c: New test.
	* gcc.dg/tree-ssa/restrict-8.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/restrict-7.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/restrict-8.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-structalias.c