r238641 - in /trunk/gcc: ChangeLog testsuite/Ch...

[amker@gcc.gnu.org]

Author: amker
Date: Fri Jul 22 13:22:03 2016
New Revision: 238641

URL: https://gcc.gnu.org/viewcvs?rev=238641&root=gcc&view=rev
Log:
	* tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
	Parameter.
	* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
	Parameter.
	(number_of_iterations_exit): Warn missed loop optimization for
	possible infinite loops.

	gcc/testsuite
	* gcc.dg/tree-ssa/pr19210-1.c: Refine test strings.
	* gcc.dg/tree-ssa/pr19210-2.c: Delete.

Removed:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr19210-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr19210-1.c
    trunk/gcc/tree-ssa-loop-niter.c
    trunk/gcc/tree-ssa-loop-niter.h