r142151 - in /branches/alias-improvements/gcc: ...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Nov 24 10:17:14 2008
New Revision: 142151

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142151
Log:
2008-11-24  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (struct gimple_df): Add vop_needs_renaming flag.
	* tree-into-ssa.c (symbol_marked_for_renaming): Adjust for
	vop_needs_renaming flag.
	(is_old_name): Likewise.
	(is_new_name): Likewise.
	(pass_build_ssa): Run TODO_update_ssa_only_virtuals.
	(dump_update_ssa): Dump vop_needs_renaming.
	(delete_update_ssa): Clear delete_update_ssa.
	(mark_sym_for_renaming): Adjust for vop_needs_renaming flag.
	(need_ssa_update_p): Likewise.
	(release_ssa_name_after_update_ssa): Likewise.
	(update_ssa): Likewise.
	* ipa-cp.c (ipcp_update_callgraph): Update SSA form.
	* tree-ssa-alias.c (create_vop_var): Remove.
	(compute_may_aliases): Do not call it here.
	(may_point_to_global_var): Handle pointer constants.
	* tree-inline.c (expand_call_inline): Mark the VOP for renaming.
	* gimple.h (gimple_loaded_syms): Note that we should fix this
	interface.
	* tree-ssa-operands.c (create_vop_var): Move here.
	(init_ssa_operands): Call it.
	(fini_ssa_operands): Clear gimple_df->vop.
	(finalize_ssa_vdefs): Mark the VOP for renaming on changes.
	(finalize_ssa_vuse_ops): Likewise.
	(append_vdef): Simplify.
	(append_vuse): Likewise.
	(access_can_touch_variable): Remove.
	(add_virtual_operand): Simplify.
	(get_addr_dereference_operands): Remove.
	(get_indirect_ref_operands): Simplify.
	(get_tmr_operands): Likewise.
	(add_call_clobber_ops): Remove.
	(add_call_read_ops): Likewise.
	(maybe_add_call_clobbered_vops): Rename to ...
	(maybe_add_call_vops): ... this.  Inline remanents of the
	removed functions.
	(get_expr_operands): Simplify.
	(create_ssa_artificial_load_stmt): Likewise.
	* tree-call-cdce.c (tree_call_cdce): Rename the VOP.
	* tree-cfg.c (mark_virtual_ops_in_region): Remove.
	(move_sese_region_to_fn): Do not call it.
	* omp-low.c (expand_omp_taskreg): Update SSA form.
	* tree-ssa.c (execute_update_addresses_taken): Update for
	single VOP.

Modified:
    branches/alias-improvements/gcc/ChangeLog.alias
    branches/alias-improvements/gcc/gimple.h
    branches/alias-improvements/gcc/ipa-cp.c
    branches/alias-improvements/gcc/omp-low.c
    branches/alias-improvements/gcc/tree-call-cdce.c
    branches/alias-improvements/gcc/tree-cfg.c
    branches/alias-improvements/gcc/tree-flow.h
    branches/alias-improvements/gcc/tree-inline.c
    branches/alias-improvements/gcc/tree-into-ssa.c
    branches/alias-improvements/gcc/tree-ssa-alias.c
    branches/alias-improvements/gcc/tree-ssa-operands.c
    branches/alias-improvements/gcc/tree-ssa.c