r278763 - in /branches/gcc-9-branch/gcc: Change...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Nov 27 12:09:36 2019
New Revision: 278763

URL: https://gcc.gnu.org/viewcvs?rev=278763&root=gcc&view=rev
Log:
2019-11-27  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-10-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92222
	* tree-vect-slp.c (_slp_oprnd_info::first_pattern): Remove.
	(_slp_oprnd_info::second_pattern): Likewise.
	(_slp_oprnd_info::any_pattern): New.
	(vect_create_oprnd_info): Adjust.
	(vect_get_and_check_slp_defs): Compute whether any stmt is
	in a pattern.
	(vect_build_slp_tree_2): Avoid building up a node from scalars
	if any of the operand defs, not just the first, is in a pattern.

	* gcc.dg/torture/pr92222.c: New testcase.

Added:
    branches/gcc-9-branch/gcc/testsuite/gcc.dg/torture/pr92222.c
Modified:
    branches/gcc-9-branch/gcc/ChangeLog
    branches/gcc-9-branch/gcc/testsuite/ChangeLog
    branches/gcc-9-branch/gcc/tree-vect-slp.c