backport: [multiple changes]

backport: [multiple changes]

2014-05-23  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2013-08-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/58228
	* tree-vect-data-refs.c (vect_analyze_data_ref_access): Do not
	allow invariant loads in nested loop vectorization.

	* gcc.dg/torture/pr58228.c: New testcase.

	2013-09-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/58539
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Honor
	the fact that debug statements are not taking part in loop-closed
	SSA construction.

	* gcc.dg/torture/pr58539.c: New testcase.

From-SVN: r210847