r218731 - in /trunk/gcc: cgraph.h ipa-reference...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Mon Dec 15 06:19:51 2014
New Revision: 218731

URL: https://gcc.gnu.org/viewcvs?rev=218731&root=gcc&view=rev
Log:

	PR ipa/61602
	* gcc.dg/torture/pr61602.c: New testcase.

	* cgraph.h (ipa_discover_readonly_nonaddressable_vars): Return bool.
	* ipa.c (set_writeonly_bit): Track if reference was removed.
	(ipa_discover_readonly_nonaddressable_vars): Return true if any
	references was removed.
	* ipa-reference.c (propagate): Return TODO_remove_functions if
	reference was removed.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr61602.c
Modified:
    trunk/gcc/cgraph.h
    trunk/gcc/ipa-reference.c
    trunk/gcc/ipa.c
    trunk/gcc/testsuite/ChangeLog