gcc/

gcc/
2015-10-28 Yvan Roux  <yvan.roux@linaro.org>
	   Sebastian Pop  <s.pop@samsung.com>

	Backport from trunk r221007, r221675, r222011.
	2015-04-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/65735
	* tree-ssa-threadedge.c (fsm_find_control_statement_thread_paths):
	Remove visited_phis argument, add visited_bbs, avoid recursing into the
	same bb rather than just into the same phi node.
	(thread_through_normal_block): Adjust caller.

	2015-03-25  Sebastian Pop  <s.pop@samsung.com>

	PR tree-optimization/65177
	* tree-ssa-threadupdate.c (verify_seme): Renamed verify_jump_thread.
	(bb_in_bbs): New.
	(duplicate_seme_region): Renamed duplicate_thread_path.  Redirect all
	edges not adjacent on the path to the original code.

	2015-02-26  Sebastian Pop  <s.pop@samsung.com>

	PR tree-optimization/65048
	* tree-ssa-threadupdate.c (valid_jump_thread_path): New.
	(thread_through_all_blocks): Call valid_jump_thread_path.
	Remove invalid FSM jump-thread paths.

gcc/testsuite/
2015-10-28 Yvan Roux  <yvan.roux@linaro.org>
	   Sebastian Pop  <s.pop@samsung.com>

	Backport from trunk r221007, r221675, r222011.
	2015-04-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/65735
	* gcc.c-torture/compile/pr65735.c: New test.

	2015-03-25  Sebastian Pop  <s.pop@samsung.com>

	PR tree-optimization/65177
	* gcc.dg/tree-ssa/ssa-dom-thread-10.c: New.

	2015-02-26  Sebastian Pop  <s.pop@samsung.com>

	PR tree-optimization/65048
	* gcc.dg/tree-ssa/ssa-dom-thread-9.c: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/linaro/gcc-4_9-branch@229478 138bc75d-0d04-0410-961f-82ee72b054a4