r266171 - in /trunk/gcc: ChangeLog testsuite/Ch...

[amker@gcc.gnu.org]

Author: amker
Date: Thu Nov 15 03:44:49 2018
New Revision: 266171

URL: https://gcc.gnu.org/viewcvs?rev=266171&root=gcc&view=rev
Log:

	PR tree-optimization/84648
	* tree-ssa-loop-niter.c (adjust_cond_for_loop_until_wrap): New.
	(number_of_iterations_cond): Adjust exit cond for loop-until-wrap case
	by calling adjust_cond_for_loop_until_wrap.

	gcc/testsuite
	* gcc.dg/tree-ssa/pr84648.c: New test.
	* gcc.dg/pr68317.c: Add warning check on overflow.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr84648.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/pr68317.c
    trunk/gcc/tree-ssa-loop-niter.c