r236417 - in /trunk/gcc: ChangeLog ipa-prop.c

[jamborm@gcc.gnu.org]

Author: jamborm
Date: Wed May 18 16:41:19 2016
New Revision: 236417

URL: https://gcc.gnu.org/viewcvs?rev=236417&root=gcc&view=rev
Log:
Const parameters are always unmodified

2016-05-18  Martin Jambor  <mjambor@suse.cz>

	PR ipa/69708
	* ipa-prop.c (parm_preserved_before_stmt_p): Return true for loads
	from TREE_READONLY parameters.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-prop.c