r275064 - in /branches/gcc-8-branch/gcc: Change...

[amker@gcc.gnu.org]

Author: amker
Date: Fri Aug 30 11:02:48 2019
New Revision: 275064

URL: https://gcc.gnu.org/viewcvs?rev=275064&root=gcc&view=rev
Log:
	Backport from mainline
	2019-07-18  Bin Cheng  <bin.linux@linux.alibaba.com>

	PR tree-optimization/91137
	* tree-ssa-loop-ivopts.c (struct ivopts_data): New field.
	(tree_ssa_iv_optimize_init, alloc_iv, tree_ssa_iv_optimize_finalize):
	Init, use and fini the above new field.
	(determine_base_object_1): New function.
	(determine_base_object): Reimplement using walk_tree.

	2019-07-18  Bin Cheng  <bin.linux@linux.alibaba.com>

	PR tree-optimization/91137
	* gcc.c-torture/execute/pr91137.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.c-torture/execute/pr91137.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-ssa-loop-ivopts.c