r274529 - in /trunk/gcc: ChangeLog tree-ssa-dce.c

[marxin@gcc.gnu.org]

Author: marxin
Date: Thu Aug 15 11:29:37 2019
New Revision: 274529

URL: https://gcc.gnu.org/viewcvs?rev=274529&root=gcc&view=rev
Log:
Clean up dead condition for operators in DCE.

2019-08-15  Martin Liska  <mliska@suse.cz>

	* tree-ssa-dce.c (propagate_necessity): We can't reach now
	operators with no arguments.
	(eliminate_unnecessary_stmts): Likewise here.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-dce.c