r195239 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Jan 16 14:06:58 2013
New Revision: 195239

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195239
Log:
2013-01-16  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55964
	* tree-flow.h (rename_variables_in_loop): Remove.
	(rename_variables_in_bb): Likewise.
	* tree-loop-distribution.c (update_phis_for_loop_copy): Remove.
	(copy_loop_before): Adjust and delete update-ssa status.
	* tree-vect-loop-manip.c (rename_variables_in_bb): Make static.
	(rename_variables_in_bb): Likewise.  Properly walk over
	predecessors.
	(rename_variables_in_loop): Remove.
	(slpeel_update_phis_for_duplicate_loop): Likewise.
	(slpeel_tree_duplicate_loop_to_edge_cfg): Handle nested loops,
	use available cfg machinery instead of duplicating it.
	Update PHI nodes and perform poor-mans SSA update here.
	(slpeel_tree_peel_loop_to_edge): Adjust.

	* gcc.dg/torture/pr55964.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr55964.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-flow.h
    trunk/gcc/tree-loop-distribution.c
    trunk/gcc/tree-vect-loop-manip.c