r255724 - in /trunk/gcc: ChangeLog testsuite/Ch...

[law@gcc.gnu.org]

Author: law
Date: Fri Dec 15 22:11:06 2017
New Revision: 255724

URL: https://gcc.gnu.org/viewcvs?rev=255724&root=gcc&view=rev
Log:
	PR tree-optimization/81165
	* tree-ssa-threadupdate.c (uses_in_bb): New.
	(estimate_threading_killed_stmts): New.
	* tree-ssa-threadupdate.h (estimate_threading_killed_stmts): Prototype.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Expand limit
	when its hit.

	PR tree-optimization/81165
	* gcc.dg/pr81165.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/pr81165.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-threadedge.c
    trunk/gcc/tree-ssa-threadupdate.c
    trunk/gcc/tree-ssa-threadupdate.h