+2010-05-06 Jan Hubicka <jh@suse.cz>
+
+ * cgraphbuild.c (record_reference_ctx): Add varpool_node.
+ (record_reference, mark_address, mark_load, mark_store): Record
+ references.
+ (record_references_in_initializer): Update call of record_references.
+ (rebuild_cgraph_edges): Remove all references before rebuiding.
+ * cgraph.c (cgraph_create_node): Clear ref list.
+ (cgraph_remove_node): Remove references.
+ (dump_cgraph_node): Dump references.
+ (cgraph_clone_node): Clone references.
+ * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
+ (struct cgraph_node, varpool_node): Add ref_lst.
+ * ipa-ref.c: New file.
+ * ipa-ref.h: New file.
+ * ipa-ref-inline.h: New file.
+ * lto-cgraph.c (output_varpool): Take cgrag node set argument.
+ (referenced_from_other_partition_p): New function.
+ (lto_output_varpool_node): Take set arugment; call
+ referenced_from_other_partition.
+ (lto_output_ref): New.
+ (add_references): New.
+ (output_refs): New.
+ (output_cgraph): Compute boundary based on references;
+ output refs.
+ (output_varpool): Accept cgraph_node_set argument.
+ (input_ref): New.
+ (input_refs): New.
+ (input_cgraph): Call input_refs.
+ * lto-section-in.c (lto_section_name): Add refs.
+ * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
+ (ipa-ref.o): New file.
+ * varpool.c (varpool_node): Clear ipa ref list.
+ (varpool_remove_node): Remove references.
+ (dump_varpool_node): Dump references.
+ (varpool_assemble_decl): Only compile finalized ones.
+ (varpool_extra_name_alias): Initialize ref list.
+ * lto-streamer.c (lto-get_section_name): Add .refs section.
+ * lto-streamer.h (lto_section_type): Add LTO_section_refs.
+ (referenced_from_other_partition_p): Declared.
+
2010-05-06 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/43901