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r259234 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: rguenth
Date: Mon Apr  9 13:27:33 2018
New Revision: 259234

URL: https://gcc.gnu.org/viewcvs?rev=259234&root=gcc&view=rev
Log:
2018-04-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/85284
	* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions):
	Only use the niter constraining form of simple_iv when the exit
	is always executed.

	* gcc.dg/torture/pr85284.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr85284.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-niter.c


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