r276157 - in /trunk/gcc: ChangeLog tree-vect-lo...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Sep 26 16:52:50 2019
New Revision: 276157

URL: https://gcc.gnu.org/viewcvs?rev=276157&root=gcc&view=rev
Log:
2019-09-26  Richard Biener  <rguenther@suse.de>

	* tree-vect-loop.c (vect_analyze_loop_operations): Analyze
	loop-closed PHIs that are vect_internal_def.
	(vect_create_epilog_for_reduction): Exit early for nested cycles.
	Simplify.
	(vectorizable_lc_phi): New.
	* tree-vect-stmts.c (vect_analyze_stmt): Call vectorize_lc_phi.
	(vect_transform_stmt): Likewise.
	* tree-vectorizer.h (stmt_vec_info_type): Add lc_phi_info_type.
	(vectorizable_lc_phi): Declare.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-loop.c
    trunk/gcc/tree-vect-stmts.c
    trunk/gcc/tree-vectorizer.h