r246540 - in /trunk/gcc: ChangeLog testsuite/Ch...

[amker@gcc.gnu.org]

Author: amker
Date: Tue Mar 28 15:32:29 2017
New Revision: 246540

URL: https://gcc.gnu.org/viewcvs?rev=246540&root=gcc&view=rev
Log:
	* tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
	mark new edge's irreducible flag accordign to it.
	(vect_do_peeling): Check loop preheader edge's irreducible flag
	and pass it to function slpeel_add_loop_guard.
	gcc/testsuite
	* gcc.c-torture/compile/irreducible-loop.c: New.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/irreducible-loop.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop-manip.c