r269361 - in /trunk/gcc: ChangeLog testsuite/Ch...

[amker@gcc.gnu.org]

Author: amker
Date: Mon Mar  4 01:38:25 2019
New Revision: 269361

URL: https://gcc.gnu.org/viewcvs?rev=269361&root=gcc&view=rev
Log:
	PR tree-optimization/89487
	* tree-loop-distribution.c (has_nonaddressable_dataref_p): New.
	(create_rdg_vertices): Compute has_nonaddressable_dataref_p.
	(distribute_loop): Don't do runtime alias check if there is non-
	addressable data reference.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Check if VAR_DECL
	is a register variable.

	* gcc/testsuite/gcc.dg/tree-ssa/pr89487.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr89487.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-loop-distribution.c
    trunk/gcc/tree-ssa-loop-ivopts.c