+2010-05-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43571
+ * domwalk.c (walk_dominator_tree): Walk the dominator
+ sons in more optimal order.
+
+2010-05-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43934
+ * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
+ (stmt_cost): Likewise.
+ (extract_true_false_args_from_phi): New helper.
+ (determine_max_movement): For PHI nodes verify we can hoist them
+ and compute their cost.
+ (determine_invariantness_stmt): Handle PHI nodes.
+ (move_computations_stmt): Likewise. Hoist PHI nodes in
+ if-converted form using COND_EXPRs.
+ (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
+ nodes.
+ (tree_ssa_lim): Likewise.
+ * tree-flow.h (tree_ssa_lim): Adjust prototype.
+ * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
+
+2010-05-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43987
+ * tree-ssa-structalias.c (could_have_pointers): For possibly
+ address-taken variables force pointers to be recorded.
+ (create_variable_info_for_1): Likewise.
+ (push_fields_onto_fieldstack): Pass in wheter all fields
+ must have pointers.
+ (find_func_aliases): Query types instead of vars whether
+ they contain pointers where appropriate.
+
+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
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