* ipa-reference.c: Include toplev.h

	(is_proper_for_analysis): Only add to all_module_statics
	if it is allocated.
	(write_node_summary_p, stream_out_bitmap,
	ipa_reference_write_optimization_summary,
	ipa_reference_read_optimization_summary): New.
	(struct ipa_opt_pass_d pass_ipa_reference): Add
	optimization summary streaming.
	* lto-cgraph.c (referenced_from_this_partition_p, 
	reachable_from_this_partition_p): New functions.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
	call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
	* opts.c (decode_options): Enable ipa_reference.
	* Makefile.in (ipa-reference.o): Add toplev.h dependency.
	* lto-streamer.h (referenced_from_this_partition_p,
	reachable_from_this_partition_p): Declare.

	* gcc.dg/lto/ipareference_1.c: New file.
	* gcc.dg/lto/ipareference_2.c: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159435 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 2 insertions, 4 deletions

diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 715c2f10f9a..ed9b7c59f01 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -1061,8 +1061,7 @@ ref_maybe_used_by_call_p_1 (gimple call, ao_ref *ref)
   /* Check if base is a global static variable that is not read
      by the function.  */
   if (TREE_CODE (base) == VAR_DECL
-      && TREE_STATIC (base)
-      && !TREE_PUBLIC (base))
+      && TREE_STATIC (base))
     {
       bitmap not_read;
 
@@ -1316,8 +1315,7 @@ call_may_clobber_ref_p_1 (gimple call, ao_ref *ref)
      by the function.  */
   if (callee != NULL_TREE
       && TREE_CODE (base) == VAR_DECL
-      && TREE_STATIC (base)
-      && !TREE_PUBLIC (base))
+      && TREE_STATIC (base))
     {
       bitmap not_written;