2014-01-09 Richard Biener <rguenther@suse.de>

2014-01-09  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2013-11-18  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/59125
	PR tree-optimization/54570
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): When inlining
	is not complete do not treat component-references with offset zero
	but different fields as equal.
	* tree-object-size.c: Include tree-phinodes.h and ssa-iterators.h.
	(compute_object_sizes): Apply TLC.  Propagate the constant
	results into all uses and fold their stmts.
	* passes.def (pass_all_optimizations): Move pass_object_sizes
	after the first pass_forwprop and before pass_fre.

	* gcc.dg/builtin-object-size-8.c: Un-xfail.
	* gcc.dg/builtin-object-size-14.c: New testcase.
	* gcc.dg/strlenopt-14gf.c: Adjust.
	* gcc.dg/strlenopt-1f.c: Likewise.
	* gcc.dg/strlenopt-4gf.c: Likewise.

	2013-12-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/59362
	* tree-object-size.c (object_sizes): Change into array of
	vec<unsigned HOST_WIDE_INT>.
	(compute_builtin_object_size): Check computed bitmap for
	non-NULL instead of object_sizes.  Call safe_grow on object_sizes
	vector if new SSA_NAMEs appeared.
	(init_object_sizes): Check computed bitmap for non-NULL.
	Call safe_grow on object_sizes elements instead of initializing
	it with XNEWVEC.
	(fini_object_sizes): Call release on object_sizes elements, don't
	set it to NULL.

	* gcc.c-torture/compile/pr59362.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@206467 138bc75d-0d04-0410-961f-82ee72b054a4