r202944 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Sep 26 13:18:31 2013
New Revision: 202944

URL: http://gcc.gnu.org/viewcvs?rev=202944&root=gcc&view=rev
Log:
2013-09-26  Richard Biener  <rguenther@suse.de>

	* tree-ssa-live.c (var_map_base_init): Handle SSA names with
	DECL_IGNORED_P base VAR_DECLs like anonymous SSA names.
	(loe_visit_block): Use gcc_checking_assert.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Use
	gimple_assign_ssa_name_copy_p.
	(gimple_can_coalesce_p): Adjust according to the var_map_base_init
	change.

	* gcc.dg/tree-ssa/coalesce-2.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/coalesce-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-coalesce.c
    trunk/gcc/tree-ssa-live.c