Commit Graph

325 Commits

Author SHA1 Message Date
Jan Hubicka
7351bcaa64 loop-24.c: Update dump file matching; enable -O2.
* gcc.dg/tree-ssa/loop-24.c: Update dump file matching; enable -O2.
	* gcc.dg/tree-ssa/loop-25.c: Likewise.
	* gcc.dg/tree-ssa/loop-26.c: Likewise.
	* gcc.dg/tree-ssa/pr32044.c: Likewise.
	* gcc.dg/tree-ssa/loop-29.c: Likewise.
	* gcc.dg/tree-ssa/loop-10.c: Likewise.
	* gnat.dg/loop_optimization6.adb: Enable -O2.

	* ipa-pure-const.c (analyze): Update loop optimizer init.
	* tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
	try_remove_empty_loop, remove_empty_loops): Remove.
	* tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
	* tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
	to mark regular loops as neccesary.
	(degenerate_phi_p): New function.
	(propagate_necessity, remove_dead_phis): Use it.
	(forward_edge_to_pdom): Likewise.
	(eliminate_unnecessary_stmts): Take care to remove uses of results of
	virtual PHI nodes that became unreachable.
	(perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
	* tree-flow.h (remove_empty_loops): Remove.
	* passes.c (init_optimization_passes): Remove.

From-SVN: r149206
2009-07-03 13:18:28 +00:00
Bernhard Reutner-Fischer
b2ad028425 tree-flow.h (make_value_handle, [...]): Remove prototypes for removed functions.
2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
	sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
	vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
	vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
	prototypes for removed functions.
	(expressions_equal_p): Move to ...
	* tree-ssa-sccvn.h: ... here and ...
	* matrix-reorg.c: ... adjust includes.

From-SVN: r148261
2009-06-07 21:44:39 +02:00
Diego Novillo
ac80ba07e9 tree-ssa-live.c (dump_scope_block): Document arguments.
* tree-ssa-live.c (dump_scope_block): Document arguments.
	(dump_scope_blocks): Document.
	(debug_scope_blocks): New.
	* tree-flow.h (debug_scope_blocks): Declare.

From-SVN: r147923
2009-05-27 13:55:59 -04:00
Richard Guenther
1234614746 tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove redundant calls to merge_alias_info.
2009-05-26  Richard Guenther  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
	redundant calls to merge_alias_info.
	(bump_vector_ptr): Likewise.
	* tree-ssa-copy.c (merge_alias_info): Remove.
	(replace_exp_1): Remove call to merge_alias_info.
	(propagate_tree_value): Likewise.
	(fini_copy_prop): Propagate points-to info.
	* tree-flow.h (merge_alias_info): Remove.

From-SVN: r147863
2009-05-26 08:48:02 +00:00
Martin Jambor
7ec492570b tree-flow.h (insert_edge_copies_seq): Undeclare.
2009-05-20  Martin Jambor  <mjambor@suse.cz>

	* tree-flow.h (insert_edge_copies_seq): Undeclare.
	(sra_insert_before): Likewise.
	(sra_insert_after): Likewise.
	(sra_init_cache): Likewise.
	(sra_type_can_be_decomposed_p): Likewise.
	* tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
	* tree-sra.c (sra_type_can_be_decomposed_p): Made static.
	(sra_insert_before): Likewise.
	(sra_insert_after): Likewise.
	(sra_init_cache): Likewise.
	(insert_edge_copies_seq): Made static and moved upwards.

	* tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
	case.

	* tree-flow-inline.h (contains_view_convert_expr_p): New function.

	* ipa-prop.c (get_ssa_def_if_simple_copy): New function.
	(determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
	simple copies.

From-SVN: r147733
2009-05-20 12:18:10 +02:00
Richard Guenther
448ee6624d tree.h (SSA_NAME_VALUE): Remove.
2009-04-28  Richard Guenther  <rguenther@suse.de>

	* tree.h (SSA_NAME_VALUE): Remove.
	(struct tree_ssa_name): Remove value_handle member.
	* tree-vrp.c (execute_vrp): Initialize/free the value-handle
	array for jump threading.
	* tree-ssa-propagate.c (ssa_prop_init): Do not initialize
	SSA_NAME_VALUEs.
	* print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
	* tree-flow.h (threadedge_initialize_values): Declare.
	(threadedge_finalize_values): Likewise.
	* tree-ssa-threadedge.c (ssa_name_values): New global variable.
	(SSA_NAME_VALUE): Define.
	(threadedge_initialize_values): New function.
	(threadedge_finalize_values): Likewise.
	* tree-ssa-dom.c (ssa_name_values): New global variable.
	(SSA_NAME_VALUE): Define.
	(tree_ssa_dominator_optimize): Initialize/free the value-handle
	array.

From-SVN: r146877
2009-04-28 08:50:19 +00:00
Richard Guenther
33b223c0a6 tree-flow-inline.h (function_ann): Remove.
2009-04-27  Richard Guenther  <rguenther@suse.de>

	* tree-flow-inline.h (function_ann): Remove.
	(get_function_ann): Likewise.
	* tree-dfa.c (create_function_ann): Remove.
	* tree-flow.h (struct static_var_ann_d): Remove.
	(struct function_ann_d): Likewise.
	(union tree_ann_d): Remove fdecl member.
	(function_ann_t): Remove.
	(function_ann, get_function_ann, create_function_ann): Remove
	declarations.

From-SVN: r146828
2009-04-27 08:26:40 +00:00
Michael Matz
33abd7188e * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
From-SVN: r146820
2009-04-26 22:13:39 +00:00
Michael Matz
4e3825dba9 Expand from SSA.
gcc/
        Expand from SSA.
	* builtins.c (fold_builtin_next_arg): Handle SSA names.
	* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
	SSA names. 
	(compare_pairs): Swap cost comparison.
	(coalesce_ssa_name): Don't use change_partition_var.
	* tree-nrv.c (struct nrv_data): Add modified member.
	(finalize_nrv_r): Set it.
	(tree_nrv): Use it to update statements.
	(pass_nrv): Require PROP_ssa.
	* tree-mudflap.c (mf_decl_cache_locals,
	mf_build_check_statement_for): Use make_rename_temp.
	(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
	* alias.c (find_base_decl): Handle SSA names.
	* emit-rtl (set_reg_attrs_for_parm): Make non-static.
	(component_ref_for_mem_expr): Don't leak SSA names into RTL.
	* rtl.h (set_reg_attrs_for_parm): Declare.
	* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
	to "optimized", remove unused locals at finish.
	(execute_free_datastructures): Make global, call
	delete_tree_cfg_annotations.
	(execute_free_cfg_annotations): Don't call
	delete_tree_cfg_annotations.

	* ssaexpand.h: New file.
	* expr.c (toplevel): Include ssaexpand.h.
	(expand_assignment): Handle SSA names the same as register
	variables.
	(expand_expr_real_1): Expand SSA names.
	* cfgexpand.c (toplevel): Include ssaexpand.h.
	(SA): New global variable.
	(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
	(SSAVAR): New macro.
	(set_rtl): New helper function.
	(add_stack_var): Deal with SSA names, use set_rtl.
	(expand_one_stack_var_at): Likewise.
	(expand_one_stack_var): Deal with SSA names.
	(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
	before unique numbers.
	(expand_stack_vars): Use set_rtl.
	(expand_one_var): Accept SSA names, add asserts for them, feed them
	to above subroutines.
	(expand_used_vars): Expand all partitions (without default defs),
	then only the local decls (ignoring those expanded already).
	(expand_gimple_cond): Remove edges when jumpif() expands an
	unconditional jump.
	(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
	or remove abnormal edges.  Ignore insns setting the LHS of a TERed
	SSA name.
	(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
	members of SA; deal with PARM_DECL partitions here; expand
	all PHI nodes, free tree datastructures and SA.  Commit instructions
	on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
	(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
	info and statements at start, collect garbage at finish.
	* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
	(VAR_ANN_PARTITION) Remove.
	(change_partition_var): Don't declare.
	(partition_to_var): Always return SSA names.
	(var_to_partition): Only accept SSA names.
	(register_ssa_partition): Only check argument.
	* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
	member.
	(delete_var_map): Don't free it.
	(var_union): Only accept SSA names, simplify.
	(partition_view_init): Mark only useful SSA names as used.
	(partition_view_fini): Only deal with SSA names.
	(change_partition_var): Remove.
	(dump_var_map): Use ssa_name instead of partition_to_var member.
	* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
	basic blocks.
	* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
	(struct _elim_graph): New member const_dests; nodes member vector of
	ints.
	(set_location_for_edge): New static helper.
	(create_temp): Remove.
	(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
	insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New
	functions.
	(new_elim_graph): Allocate const_dests member.
	(clean_elim_graph): Truncate const_dests member.
	(delete_elim_graph): Free const_dests member.
	(elim_graph_size): Adapt to new type of nodes member.
	(elim_graph_add_node): Likewise.
	(eliminate_name): Likewise.
	(eliminate_build): Don't take basic block argument, deal only with
	partition numbers, not variables.
	(get_temp_reg): New static helper.
	(elim_create): Use it, deal with RTL temporaries instead of trees.
	(eliminate_phi): Adjust all calls to new signature.
	(assign_vars, replace_use_variable, replace_def_variable): Remove.
	(rewrite_trees): Only do checking.
	(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
	(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
	init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
	contains_tree_r, MAX_STMTS_IN_LATCH,
	process_single_block_loop_latch, analyze_edges_for_bb,
	perform_edge_inserts): Remove.
	(expand_phi_nodes): New global function.
	(remove_ssa_form): Take ssaexpand parameter.  Don't call removed
	functions, initialize new parameter, remember partitions having a
	default def.
	(finish_out_of_ssa): New global function.
	(rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
	don't reset in_ssa_p here, don't disable TER when mudflap.
	(pass_del_ssa): Remove.
	* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
	partition members.
	(execute_free_datastructures): Declare.
	* Makefile.in (SSAEXPAND_H): New variable.
	(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
	* basic-block.h (commit_one_edge_insertion): Declare.
	* passes.c (init_optimization_passes): Move pass_nrv and
	pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
	pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
	* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
	(redirect_branch_edge): Deal with super block when expanding, split
	out jump patching itself into ...
	(patch_jump_insn): ... here, new static helper.

testsuite/

	Expand from SSA.
	* gcc.dg/tree-ssa/20030728-1.c: Use -rtl-expand-details dump and
	change regexps.
	* gcc.target/i386/pr37248-1.c: Modified.
	* gcc.target/i386/pr37248-3.c: Modified.
	* gcc.target/i386/pr37248-2.c: Modified.
	* gnat.dg/aliasing1.adb: Modified.
	* gnat.dg/pack9.adb: Modified.
	* gnat.dg/aliasing2.adb: Modified.
	* gcc.dg/strict-overflow-2.c: Modified.
	* gcc.dg/autopar/reduc-1char.c: Modified.
	* gcc.dg/autopar/reduc-2char.c: Modified.
	* gcc.dg/autopar/reduc-1.c: Modified.
	* gcc.dg/autopar/reduc-2.c: Modified.
	* gcc.dg/autopar/reduc-3.c: Modified.
	* gcc.dg/autopar/reduc-6.c: Modified.
	* gcc.dg/autopar/reduc-7.c: Modified.
	* gcc.dg/autopar/reduc-8.c: Modified.
	* gcc.dg/autopar/reduc-9.c: Modified.
	* gcc.dg/autopar/reduc-1short.c: Modified.
	* gcc.dg/autopar/reduc-2short.c: Modified.
	* gcc.dg/autopar/parallelization-1.c: Modified.
	* gcc.dg/strict-overflow-4.c: Modified.
	* gcc.dg/strict-overflow-6.c: Modified.
	* gcc.dg/gomp/combined-1.c: Modified.
	* gcc.dg/no-strict-overflow-1.c: Modified.
	* gcc.dg/no-strict-overflow-3.c: Modified.
	* gcc.dg/no-strict-overflow-5.c: Modified.
	* gcc.dg/tree-ssa/reassoc-13.c: Modified.
	* gcc.dg/tree-ssa/pr18134.c: Modified.
	* gcc.dg/tree-ssa/20030824-1.c: Modified.
	* gcc.dg/tree-ssa/vector-2.c: Modified.
	* gcc.dg/tree-ssa/forwprop-9.c: Modified.
	* gcc.dg/tree-ssa/loop-21.c: Modified.
	* gcc.dg/tree-ssa/20030824-2.c: Modified.
	* gcc.dg/tree-ssa/vector-3.c: Modified.
	* gcc.dg/tree-ssa/asm-3.c: Modified.
	* gcc.dg/tree-ssa/pr23294.c: Modified.
	* gcc.dg/tree-ssa/loop-22.c: Modified.
	* gcc.dg/tree-ssa/loop-15.c: Modified.
	* gcc.dg/tree-ssa/prefetch-4.c: Modified.
	* gcc.dg/tree-ssa/pr22051-1.c: Modified.
	* gcc.dg/tree-ssa/pr20139.c: Modified.
	* gcc.dg/tree-ssa/scev-cast.c: Modified.
	* gcc.dg/tree-ssa/pr22051-2.c: Modified.
	* gcc.dg/tree-ssa/reassoc-1.c: Modified.
	* gcc.dg/tree-ssa/loop-5.c: Modified.
	* gcc.dg/tree-ssa/pr19431.c: Modified.
	* gcc.dg/tree-ssa/pr32044.c: Modified.
	* gcc.dg/tree-ssa/prefetch-7.c: Modified.
	* gcc.dg/tree-ssa/loop-19.c: Modified.
	* gcc.dg/tree-ssa/loop-28.c: Modified.
	* gcc.dg/tree-ssa/ssa-pre-15.c: Modified.
	* gcc.dg/tree-ssa/divide-1.c: Modified.
	* gcc.dg/tree-ssa/inline-1.c: Modified.
	* gcc.dg/tree-ssa/divide-3.c: Modified.
	* gcc.dg/tree-ssa/pr30978.c: Modified.
	* gcc.dg/tree-ssa/alias-6.c: Modified.
	* gcc.dg/tree-ssa/divide-4.c: Modified.
	* gcc.dg/tree-ssa/alias-11.c: Modified.
	* gcc.dg/no-strict-overflow-7.c: Modified.
	* gcc.dg/strict-overflow-1.c: Modified.
	* gcc.dg/pr15784-4.c: Modified.
	* gcc.dg/pr34263.c: Modified.
	* gcc.dg/strict-overflow-3.c: Modified.
	* gcc.dg/tree-prof/stringop-1.c: Modified.
	* gcc.dg/tree-prof/val-prof-1.c: Modified.
	* gcc.dg/tree-prof/val-prof-2.c: Modified.
	* gcc.dg/tree-prof/val-prof-3.c: Modified.
	* gcc.dg/tree-prof/val-prof-4.c: Modified.
	* gcc.dg/no-strict-overflow-2.c: Modified.
	* gcc.dg/no-strict-overflow-4.c: Modified.
	* gcc.dg/no-strict-overflow-6.c: Modified.
	* g++.dg/tree-ssa/pr27090.C: Modified.
	* g++.dg/tree-ssa/tmmti-2.C: Modified.
	* g++.dg/tree-ssa/ptrmemfield.C: Modified.
	* g++.dg/tree-ssa/pr19807.C: Modified.
	* g++.dg/opt/pr30965.C: Modified.
	* g++.dg/init/new17.C: Modified.
	* gfortran.dg/whole_file_6.f90: Modified.
	* gfortran.dg/whole_file_5.f90: Modified.
	* gfortran.dg/reassoc_1.f90: Modified.
	* gfortran.dg/reassoc_3.f90: Modified.

From-SVN: r146817
2009-04-26 19:35:04 +00:00
Jan Hubicka
a3710436b6 tree.c (list_equal_p): New function.
* tree.c (list_equal_p): New function.
	* tree.h (list_equal_p): Declare.
	* coretypes.h (edge_def, edge, const_edge, basic_block_def
	basic_block_def, basic_block, const_basic_block): New.
	* tree-eh.c (make_eh_edge): EH edges are not abnormal.
	(redirect_eh_edge): New function.
	(make_eh_edge_update_phi): EH edges are not abnormal.
	* except.c: Include tree-flow.h.
	(list_match): New function.
	(eh_region_replaceable_by_p): New function.
	(replace_region): New function.
	(hash_type_list): New function.
	(hash_eh_region): New function.
	(eh_regions_equal_p): New function.
	(merge_peers): New function.
	(remove_unreachable_regions): Verify EH tree when checking;
	merge peers.
	(copy_eh_region_1): New function.
	(copy_eh_region): New function.
	(push_reachable_handler): New function.
	(build_post_landing_pads, dw2_build_landing_pads): Be ready for
	regions without label but with live RESX.
	* except.h (redirect_eh_edge_to_label): New.
	* tree-flow.h (redirect_eh_edge): New.
	* coretypes.h (edge_def, edge, const_edge, basic_block_def
	basic_block_def, basic_block, const_basic_block): Remove.
	* Makefile.in (except.o): Add dependency on tree-flow.h
	* tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
	* basic-block.h (edge, const_edge, basic_block, const_basic_block):
	Remove.

From-SVN: r146776
2009-04-25 18:27:19 +00:00
Taras Glek
d1b382088a hashtab.h: Update GTY annotations to new syntax
2009-04-21  Taras Glek <tglek@mozilla.com>

	* include/hashtab.h: Update GTY annotations to new syntax
	* include/splay-tree.h: Likewise


gcc/ChangeLog

2009-04-21  Taras Glek <tglek@mozilla.com>

	* alias.c: Update GTY annotations to new syntax
	* basic-block.h: Likewise
	* bitmap.h: Likewise
	* c-common.h: Likewise
	* c-decl.c: Likewise
	* c-parser.c: Likewise
	* c-pragma.c: Likewise
	* c-tree.h: Likewise
	* cfgloop.h: Likewise
	* cgraph.h: Likewise
	* config/alpha/alpha.c: Likewise
	* config/arm/arm.h: Likewise
	* config/avr/avr.h: Likewise
	* config/bfin/bfin.c: Likewise
	* config/cris/cris.c: Likewise
	* config/darwin.c: Likewise
	* config/frv/frv.c: Likewise
	* config/i386/i386.c: Likewise
	* config/i386/i386.h: Likewise
	* config/i386/winnt.c: Likewise
	* config/ia64/ia64.h: Likewise
	* config/iq2000/iq2000.c: Likewise
	* config/mips/mips.c: Likewise
	* config/mmix/mmix.h: Likewise
	* config/pa/pa.c: Likewise
	* config/pa/pa.h: Likewise
	* config/rs6000/rs6000.c: Likewise
	* config/s390/s390.c: Likewise
	* config/sparc/sparc.c: Likewise
	* config/xtensa/xtensa.c: Likewise
	* cselib.h: Likewise
	* dbxout.c: Likewise
	* dwarf2out.c: Likewise
	* except.c: Likewise
	* except.h: Likewise
	* fixed-value.h: Likewise
	* function.c: Likewise
	* function.h: Likewise
	* gimple.h: Likewise
	* integrate.c: Likewise
	* optabs.c: Likewise
	* output.h: Likewise
	* real.h: Likewise
	* rtl.h: Likewise
	* stringpool.c: Likewise
	* tree-data-ref.c: Likewise
	* tree-flow.h: Likewise
	* tree-scalar-evolution.c: Likewise
	* tree-ssa-address.c: Likewise
	* tree-ssa-alias.h: Likewise
	* tree-ssa-operands.h: Likewise
	* tree.c: Likewise
	* tree.h: Likewise
	* varasm.c: Likewise
	* varray.h: Likewise
	* vec.h: Likewise
	* coretypes.h: Do not define GTY macro if it is already defined
	* doc/gty.texi: Update GTY documentation to new syntax
	* gengtype-lex.l: Enforce attribute-like syntax for GTY annotations on structs
	* gengtype-parse.c: Likewise


gcc/ada/ChangeLog

2009-04-21  Taras Glek <tglek@mozilla.com>

	* gcc-interface/ada-tree.h: Update GTY annotations to new syntax
	* gcc-interface/trans.c: Likewise
	* gcc-interface/utils.c: Likewise


gcc/cp/ChangeLog

2009-04-21  Taras Glek <tglek@mozilla.com>

	* cp-tree.h: Update GTY annotations to new syntax
	* decl.c: Likewise
	* mangle.c: Likewise
	* name-lookup.c: Likewise
	* name-lookup.h: Likewise
	* parser.c: Likewise
	* pt.c: Likewise
	* rtti.c: Likewise
	* semantics.c: Likewise
	* typeck2.c: Likewise


gcc/fortran/ChangeLog

2009-04-21  Taras Glek <tglek@mozilla.com>

	* f95-lang.c: Update GTY annotations to new syntax
	* trans-intrinsic.c: Likewise
	* trans-io.c: Likewise
	* trans.h: Likewise


gcc/java/ChangeLog

2009-04-21  Taras Glek <tglek@mozilla.com>

	* builtins.c: Update GTY annotations to new syntax
	* decl.c: Likewise
	* java-tree.h: Likewise
	* jcf.h: Likewise
	* lang.c: Likewise


gcc/objc/ChangeLog

2009-04-21  Taras Glek <tglek@mozilla.com>

	* objc-act.c: Update GTY annotations to new syntax
	* objc-act.h: Likewise


libcpp/ChangeLog

2009-04-21  Taras Glek <tglek@mozilla.com>

	* include/cpp-id-data.h: Update GTY annotations to new syntax
	* include/cpplib.h: Likewise
	* include/line-map.h: Likewise
	* include/symtab.h: Likewise

From-SVN: r146607
2009-04-22 14:29:36 -04:00
Diego Novillo
07485407e1 omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
* omp-low.c (create_omp_child_function): Set DECL_CONTEXT
	for DECL.
	* cgraphunit.c (cgraph_build_static_cdtor): Likewise.
	* tree-dfa.c (find_referenced_vars_in): Factor out of ...
	(find_vars_r): ... here.
	* tree-flow.h (find_referenced_vars_in): Declare.
	* tree-ssa-pre.c (create_expression_by_pieces): Assert
	that AVAIL_OUT exists for BLOCK.
	* Makefile.in (CGRAPH_H): Add dependency on cif-code.def
	(tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
	(tree-parloops.o): Likewise.

testsuite/ChangeLog

	* gcc.c-torture/execute/builtins/strlen-3.c: Fix ODR
	violation for variable 'inside_main'.

From-SVN: r146295
2009-04-17 17:45:56 -04:00
Richard Guenther
5006671f1a re PR middle-end/13146 (inheritance for nonoverlapping_component_refs_p)
2009-04-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/13146
	PR tree-optimization/23940
	PR tree-optimization/33237
	PR middle-end/33974
	PR middle-end/34093
	PR tree-optimization/36201
	PR tree-optimization/36230
	PR tree-optimization/38049
	PR tree-optimization/38207
	PR tree-optimization/38230
	PR tree-optimization/38301
	PR tree-optimization/38585
	PR middle-end/38895
	PR tree-optimization/38985
	PR tree-optimization/39299
	* tree-ssa-structalias.h: Remove.
	* tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
	(NULL_DEF_OPERAND_P): Make of type def_operand_p.
	(struct vuse_element_d): Remove.
	(struct vuse_vec_d): Likewise.
	(VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
	VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
	SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
	VUSE_ELEMENT_VAR): Likewise.
	(struct voptype_d): Likewise.
	(NUM_VOP_FREE_BUCKETS): Likewise.
	(struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
	(struct stmt_operands_d): Remove.
	(VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
	VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
	VDEF_NUM, VDEF_VECT): Likewise.
	(copy_virtual_operands): Remove.
	(operand_build_cmp): Likewise.
	(create_ssa_artificial_load_stmt): Likewise.
	(enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
	(struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
	vuse_index and mayuse_index members.  Pack and move done and iter_type
	members to the front.
	(SSA_OP_VMAYUSE): Remove.
	(SSA_OP_VIRTUAL_USES): Adjust.
	(FOR_EACH_SSA_VDEF_OPERAND): Remove.
	(unlink_stmt_vdef): Declare.
	(add_to_addressable_set): Remove.
	* tree-vrp.c (stmt_interesting_for_vrp): Adjust.
	(vrp_visit_stmt): Likewise.
	* doc/tree-ssa.texi (Alias analysis): Update.
	* doc/invoke.texi (max-aliased-vops): Remove docs.
	(avg-aliased-vops): Likewise.
	* tree-into-ssa.c (syms_to_rename): Remove.
	(need_to_update_vops_p): Likewise.
	(need_to_initialize_update_ssa_p): Rename to ...
	(update_ssa_initialized_fn): ... this.  Track function we are
	initialized for.
	(symbol_marked_for_renaming): Simplify.
	(add_new_name_mapping): Do not set need_to_update_vops_p.
	(dump_currdefs): Use SYMS_TO_RENAME.
	(rewrite_update_stmt): Always walk all uses/defs.
	(dump_update_ssa): Adjust.
	(init_update_ssa): Take function argument.  Track what we are
	initialized for.
	(delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
	(create_new_def_for): Initialize for cfun, assert we are initialized
	for cfun.
	(mark_sym_for_renaming): Simplify.
	(mark_set_for_renaming): Do not initialize update-ssa.
	(need_ssa_update_p): Simplify.  Take function argument.
	(name_mappings_registered_p): Assert we ask for the correct function.
	(name_registered_for_update_p): Likewise.
	(ssa_names_to_replace): Likewise.
	(release_ssa_name_after_update_ssa): Likewise.
	(update_ssa): Likewise.  Use SYMS_TO_RENAME.
	(dump_decl_set): Do not print a newline.
	(debug_decl_set): Do it here.
	(dump_update_ssa): And here.
	* tree-ssa-loop-im.c (move_computations): Adjust.
	(movement_possibility): Likewise.
	(determine_max_movement): Likewise.
	(gather_mem_refs_stmt): Likewise.
	* tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
	or NAME_MEMORY_TAG.
	* tree-complex.c (update_all_vops): Remove.
	(expand_complex_move): Adjust.
	* tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
	Simplify test for memory referencing statement.  Exclude
	non-invariant ADDR_EXPRs.
	* tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
	* tree-loop-distribution.c (generate_memset_zero): Adjust.
	(rdg_flag_uses): Likewise.
	* tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
	related code.
	(tree_optimize_tail_calls_1): Also split the
	edge from the entry block if we have degenerate PHI nodes in
	the first basic block.
	* tree.c (init_ttree): Remove memory-tag related code.
	(tree_code_size): Likewise.
	(tree_node_structure): Likewise.
	(build7_stat): Re-write to be build6_stat.
	* tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
	(SSA_VAR_P): Adjust.
	(struct tree_memory_tag): Remove.
	(struct tree_memory_partition_tag): Likewise.
	(union tree_node): Adjust.
	(build7): Re-write to be build6.
	* tree-pass.h (pass_reset_cc_flags): Remove.
	(TODO_update_address_taken): New flag.
	(pass_simple_dse): Remove.
	* ipa-cp.c (ipcp_update_callgraph): Update SSA form.
	* params.h (MAX_ALIASED_VOPS): Remove.
	(AVG_ALIASED_VOPS): Likewise.
	* omp-low.c (expand_omp_taskreg): Update SSA form.
	* tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
	aliases the lhs in a copy stmt.
	* tree-ssa-dse.c (struct address_walk_data): Remove.
	(memory_ssa_name_same): Likewise.
	(memory_address_same): Likewise.
	(get_kill_of_stmt_lhs): Likewise.
	(dse_possible_dead_store_p): Simplify, use the oracle.  Handle
	unused stores.  Look through PHI nodes into post-dominated regions.
	(dse_optimize_stmt): Simplify.  Properly remove stores.
	(tree_ssa_dse): Compute dominators.
	(execute_simple_dse): Remove.
	(pass_simple_dse): Likewise.
	* ipa-reference.c (scan_stmt_for_static_refs): Open-code
	gimple_loaded_syms and gimple_stored_syms computation.
	* toplev.c (dump_memory_report): Dump alias and pta stats.
	* tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
	(vn_reference_eq): Likewise.
	(vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
	copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
	valueize_vuses): Remove.
	(get_def_ref_stmt_vuses): Simplify.  Rename to ...
	(get_def_ref_stmt_vuse): ... this.
	(vn_reference_lookup_2): New function.
	(vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
	walking equivalent vuses.  Simplify.
	(vn_reference_lookup): Likewise.
	(vn_reference_insert): Likewise.
	(vn_reference_insert_pieces): Likewise.
	(visit_reference_op_call): Simplify.
	(visit_reference_op_load): Likewise.
	(visit_reference_op_store): Likewise.
	(init_scc_vn): Remove shared_lookup_vuses initialization.
	(free_scc_vn): Remove shared_lookup_vuses freeing.
	(sort_vuses, sort_vuses_heap): Remove.
	(get_ref_from_reference_ops): Export.
	* tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
	vector with single vuse pointer.
	(vn_reference_lookup_pieces, vn_reference_lookup,
	vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
	(shared_vuses_from_stmt): Remove.
	(get_ref_from_reference_ops): Declare.
	* tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
	memory-tag related code.
	* tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
	(likely_value): Add comment, skip static-chain of call statements.
	(surely_varying_stmt_p): Adjust.
	(gimplify_and_update_call_from_tree): Likewise.
	(execute_fold_all_builtins): Do not rebuild alias info.
	(gimplify_and_update_call_from_tree): Properly update VOPs.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
	(copy_ref_info): Remove memory-tag related code.
	* tree-call-cdce.c (tree_call_cdce): Rename the VOP.
	* ipa-pure-const.c (check_decl): Remove memory-tag related code.
	(check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
	computation.
	* tree-ssa-dom.c (gimple_p): Remove typedef.
	(eliminate_redundant_computations): Adjust.
	(record_equivalences_from_stmt): Likewise.
	(avail_expr_hash): Likewise.
	(avail_expr_eq): Likewise.
	* tree-ssa-propagate.c (update_call_from_tree): Properly
	update VOPs.
	(stmt_makes_single_load): Likewise.
	(stmt_makes_single_store): Likewise.
	* tree-ssa-alias.c: Rewrite completely.
	(debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
	debug_mem_sym_stats, dump_mem_sym_stats_for_var,
	debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
	delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
	dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
	Remove public functions.
	(pass_reset_cc_flags): Remove.
	(pass_build_alias): Move ...
	* tree-ssa-structalias.c (pass_build_alias): ... here.
	* tree-ssa-alias.c (may_be_aliased): Move ...
	* tree-flow-inline.h (may_be_aliased): ... here.
	tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
	count_uses_and_derefs): Move ...
	* gimple.c: ... here.
	* gimple.h (count_uses_and_derefs): Declare.
	* tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
	ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
	same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
	indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
	ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
	call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
	get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
	New functions.
	* tree-dfa.c (refs_may_alias_p): Move ...
	* tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
	* tree-ssa-alias.h: New file.
	* tree-ssa-sink.c (is_hidden_global_store): Adjust.
	(statement_sink_location): Likewise.
	* opts.c (decode_options): Do not adjust max-aliased-vops or
	avg-aliased-vops values.
	* timevar.def (TV_TREE_MAY_ALIAS): Remove.
	(TV_CALL_CLOBBER): Likewise.
	(TV_FLOW_SENSITIVE): Likewise.
	(TV_FLOW_INSENSITIVE): Likewise.
	(TV_MEMORY_PARTITIONING): Likewise.
	(TV_ALIAS_STMT_WALK): New timevar.
	* tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
	* tree-ssa-address.c (create_mem_ref_raw): Use build6.
	(get_address_description): Remove memory-tag related code.
	* tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
	* treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
	* tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
	and immediate uses in statements.  Document.
	* gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
	(dump_symbols): Remove.
	(dump_gimple_mem_ops): Do not dump loaded or stored syms.
	* alias.c (get_deref_alias_set): New function split out from ...
	(get_alias_set): ... here.
	* alias.h (get_deref_alias_set): Declare.
	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
	type parameter.  Remove restrict pointer handling.  Create a
	ref-all pointer in case type-based alias sets do not conflict.
	(vect_analyze_data_refs): Remove SMT related code.
	* tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
	(vectorizable_load): Likewise.
	* tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
	(DR_SYMBOL_TAG, DR_VOPS): Remove.
	* tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
	Ignore vops and SMTs.
	(dr_analyze_alias): Likewise..
	(free_data_ref): Likewise.
	(create_data_ref): Likewise.
	(analyze_all_data_dependences): Likewise.
	(get_references_in_stmt): Adjust.
	* tree-flow-inline.h (gimple_aliases_computed_p,
	gimple_addressable_vars, gimple_call_clobbered_vars,
	gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
	factoring_name_p, mark_call_clobbered, clear_call_clobbered,
	compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
	gimple_mem_ref_stats): Remove.
	(gimple_vop): New function.
	(op_iter_next_use): Remove vuses and mayuses cases.
	(op_iter_next_def): Remove vdefs case.
	(op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
	(clear_and_done_ssa_iter): Do not set removed fields.
	(op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
	Assert we are not iterating over vuses or vdefs if not also
	iterating over uses or defs.
	(op_iter_init_use): Likewise.
	(op_iter_init_def): Likewise.
	(op_iter_next_vdef): Remove.
	(op_iter_next_mustdef): Likewise.
	(op_iter_init_vdef): Likewise.
	(compare_ssa_operands_equal): Likewise.
	(link_use_stmts_after): Handle vuse operand.
	(is_call_used): Use is_call_clobbered.
	(is_call_clobbered): Global variables are always call clobbered,
	query the call-clobbers bitmap.
	(mark_call_clobbered): Ignore global variables.
	(clear_call_clobbered): Likewise.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
	virtual operands sanity check.
	* tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
	Remove.
	(TARGET_MEM_REF): Remove TMR_TAG operand.
	* tree-dfa.c (add_referenced_var): Initialize call-clobber state.
	Remove call-clobber related code.
	(remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
	(dump_variable): Do not dump SMTs, memory stats, may-aliases or
	partitions or escape reason.
	(get_single_def_stmt, get_single_def_stmt_from_phi,
	get_single_def_stmt_with_phi): Remove.
	(dump_referenced_vars): Tidy.
	(get_ref_base_and_extent): Allow bare decls.
	(collect_dfa_stats): Adjust.
	* graphite.c (rename_variables_in_stmt): Adjust.
	(graphite_copy_stmts_from_block): Likewise.
	(translate_clast): Likewise.
	* tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
	(EXPR_DIES): New.
	(translate_vuse_through_block): Use the oracle.
	(phi_translate_1): Adjust.
	(value_dies_in_block_x): Use the oracle.  Cache the outcome
	in EXPR_DIES.
	(valid_in_sets): Check if the VUSE for
	a REFERENCE is available.
	(eliminate): Do not remove stmts during elimination,
	instead queue and remove them afterwards.
	(do_pre): Do not rebuild alias info.
	(pass_pre): Run TODO_rebuild_alias before PRE.
	* tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
	* tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
	(mark_all_v_defs_stmt): Remove.
	(mark_all_v_defs_seq): Adjust.
	(sra_replace): Likewise.
	(scalarize_use): Likewise.
	(scalarize_copy): Likewise.
	(scalarize_init): Likewise.
	(scalarize_ldst): Likewise.
	(todoflags): Remove.
	(tree_sra): Do not rebuild alias info.
	(tree_sra_early): Adjust.
	(pass_sra): Run TODO_update_address_taken before SRA.
	* tree-predcom.c (set_alias_info): Remove.
	(prepare_initializers_chain): Do not call it.
	(mark_virtual_ops_for_renaming): Adjust.
	(mark_virtual_ops_for_renaming_list): Remove.
	(initialize_root_vars): Adjust.
	(initialize_root_vars_lm): Likewise.
	(prepare_initializers_chain): Likewise.
	* tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
	(may_propagate_copy_into_stmt): Likewise.
	(merge_alias_info): Do nothing for now.
	(propagate_tree_value_into_stmt): Adjust.
	(stmt_may_generate_copy): Likewise.
	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
	not mark symbols for renaming.
	(forward_propagate_addr_expr): Match up push/pop_stmt_changes
	with the same statement, make sure to update the new pointed-to one.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
	call statements, do not mark symbols for renaming.
	(mark_operand_necessary): Dump something.
	(ref_may_be_aliased): New function.
	(mark_aliased_reaching_defs_necessary_1): New helper function.
	(mark_aliased_reaching_defs_necessary): Likewise.
	(mark_all_reaching_defs_necessary_1): Likewise.
	(mark_all_reaching_defs_necessary): Likewise.
	(propagate_necessity): Do not process virtual PHIs.  For
	non-aliased loads mark all reaching definitions as necessary.
	For aliased loads and stores mark the immediate dominating
	aliased clobbers as necessary.
	(visited): New global static.
	(perform_tree_ssa_dce): Free visited bitmap after propagating
	necessity.
	(remove_dead_phis): Perform simple dead virtual PHI removal.
	(remove_dead_stmt): Properly unlink virtual operands when
	removing stores.
	(eliminate_unnecessary_stmts): Schedule PHI removal after
	stmt removal.
	* tree-ssa-ter.c (is_replaceable_p): Adjust.
	(process_replaceable): Likewise.
	(find_replaceable_in_bb): Likewise.
	* tree-ssa.c (verify_ssa_name): Verify all VOPs are
	based on the single gimple vop.
	(verify_flow_insensitive_alias_info): Remove.
	(verify_flow_sensitive_alias_info): Likewise.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(verify_alias_info): Likewise.
	(verify_ssa): Adjust..
	(execute_update_addresses_taken): Export.  Update SSA
	manually.  Optimize only when optimizing.  Use a local bitmap.
	(pass_update_address_taken): Remove TODO_update_ssa, add
	TODO_dump_func.
	(pass_update_address_taken): Just use TODO_update_address_taken.
	(init_tree_ssa): Do not initialize addressable_vars.
	(verify_ssa): Verify new VUSE / VDEF properties.
	Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
	Do not call verify_alias_info.
	(delete_tree_ssa): Clear the VUSE, VDEF operands.
	Do not free the loaded and stored syms bitmaps.  Reset the escaped
	and callused solutions.  Do not free addressable_vars.
	Remove memory-tag related code.
	(warn_uninitialized_var): Aliases are always available.
	* tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
	* lambda-code.c (can_put_in_inner_loop): Adjust.
	(can_put_after_inner_loop): Likewise.
	(perfect_nestify): Likewise.
	* tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
	(vect_gen_widened_results_half): Remove CALL_EXPR handling.
	(vectorizable_conversion): Do not mark symbols for renaming.
	* tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
	(expand_call_inline): Unlink the calls virtual operands before
	replacing it.
	(tree_function_versioning): Do not call update_ssa if we are not
	updating clones.  Simplify.
	* tree-ssa-phiprop.c (phivn_valid_p): Adjust.
	(propagate_with_phi): Likewise..
	* tree-outof-ssa.c (create_temp): Remove memory tag and call
	clobber code.  Assert we are not aliased or global.
	* tree-flow.h: Include tree-ssa-alias.h
	(enum escape_type): Remove.
	(struct mem_sym_stats_d): Likewise.
	(struct mem_ref_stats_d): Likewise.
	(struct gimple_df): Add vop member.  Remove global_var,
	call_clobbered_vars, call_used_vars, addressable_vars,
	aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
	escaped and callused members.
	(struct ptr_info_def): Remove all members, add points-to solution
	member pt.
	(struct var_ann_d): Remove in_vuse_list, in_vdef_list,
	call_clobbered, escape_mask, mpt and symbol_mem_tag members.
	* Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
	(tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
	(tree-ssa-alias.o): Likewise.
	(toplev.o): Add tree-ssa-alias.h
	(GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
	* gimple.c (gimple_set_bb): Fix off-by-one error.
	(is_gimple_reg): Do not handle memory tags.
	(gimple_copy): Also copy virtual operands.
	Delay updating the statement.  Do not reset loaded and stored syms.
	(gimple_set_stored_syms): Remove.
	(gimple_set_loaded_syms): Likewise.
	(gimple_call_copy_skip_args): Copy the virtual operands
	and mark the new statement modified.
	* tree-ssa-structalias.c (may_alias_p): Remove.
	(set_uids_in_ptset): Take the alias set to prune with as
	parameter.  Fold in the alias test of may_alias_p.
	(compute_points_to_sets): Compute whether a ptr is dereferenced
	in a local sbitmap.
	(process_constraint): Deal with &ANYTHING on the lhs, reject all
	other ADDRESSOF constraints on the lhs.
	(get_constraint_for_component_ref): Assert that we don't get
	ADDRESSOF constraints from the base of the reference.
	Properly generate UNKNOWN_OFFSET for DEREF if needed.
	(struct variable_info): Remove collapsed_to member.
	(get_varinfo_fc): Remove.
	(new_var_info): Do not set collapsed_to.
	(dump_constraint): Do not follow cycles.
	(dump_constraint_graph): Likewise.
	(build_pred_graph): Likewise.
	(build_succ_graph): Likewise.
	(rewrite_constraints): Likewise.
	(do_simple_structure_copy): Remove.
	(do_rhs_deref_structure_copy): Remove.
	(do_lhs_deref_structure_copy): Remove.
	(collapse_rest_of_var): Remove.
	(do_structure_copy): Re-implement.
	(pta_stats): New global variable.
	(dump_pta_stats): New function.
	(struct constraint_expr): Make offset signed.
	(UNKNOWN_OFFSET): Define special value.
	(dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
	(solution_set_expand): New helper function split out from ...
	(do_sd_constraint): ... here.
	(solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
	(do_ds_constraint): Likewise.
	(do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
	and CALLUSED = *CALLUSED.
	(set_union_with_increment): Make inc argument signed.
	(type_safe): Remove.
	(get_constraint_for_ptr_offset): Handle unknown and negative
	constant offsets.
	(first_vi_for_offset): Handle offsets before start.  Bail
	out early for offsets beyond the variable extent.
	(first_or_preceding_vi_for_offset): New function.
	(init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
	Together with ESCAPED = *ESCAPED this properly computes reachability.
	(find_what_var_points_to): New function.
	(find_what_p_points_to): Implement in terms of find_what_var_points_to.
	(pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
	pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
	pt_solutions_intersect): New functions.
	(compute_call_used_vars): Remove.
	(compute_may_aliases): New main entry into PTA computation.
	* gimple.h (gimple_p): New typedef.
	(struct gimple_statement_base): Remove references_memory_p.
	(struct gimple_statement_with_memory_ops_base): Remove
	vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
	members.
	(gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
	gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
	gimple_set_references_memory): Remove.
	(gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
	gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
	New functions.
	* tree-cfg.c (move_block_to_fn): Fix off-by-one error.
	(verify_expr): Allow RESULT_DECL.
	(gimple_duplicate_bb): Do not copy virtual operands.
	(gimple_duplicate_sese_region): Adjust.
	(gimple_duplicate_sese_tail): Likewise.
	(mark_virtual_ops_in_region): Remove.
	(move_sese_region_to_fn): Do not call it.
	* passes.c (init_optimization_passes): Remove pass_reset_cc_flags
	and pass_simple_dse.
	(execute_function_todo): Handle TODO_update_address_taken,
	call execute_update_addresses_taken for TODO_rebuild_alias.
	(execute_todo): Adjust.
	(execute_one_pass): Init dump files early.
	* ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
	call-clobbered.
	(create_general_new_stmt): Clear vops.
	* tree-ssa-reassoc.c (get_rank): Adjust.
	* tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
	symbols for renaming.
	* params.def (PARAM_MAX_ALIASED_VOPS): Remove.
	(PARAM_AVG_ALIASED_VOPS): Likewise.
	* tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
	(duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
	* tree-ssa-operands.c: Simplify for new virtual operand
	representation.
	(operand_build_cmp, copy_virtual_operands,
	create_ssa_artificial_load_stmt, add_to_addressable_set,
	gimple_add_to_addresses_taken): Remove public functions.
	(unlink_stmt_vdef): New function.

	* gcc.dg/pr19633-1.c: Adjust.
	* gcc.dg/torture/pta-callused-1.c: Likewise.
	* gcc.dg/torture/pr39074-2.c: Likewise.
	* gcc.dg/torture/pr39074.c: Likewise.
	* gcc.dg/torture/pta-ptrarith-3.c: New testcase.
	* gcc.dg/torture/pr30375.c: Adjust.
	* gcc.dg/torture/pr33563.c: Likewise.
	* gcc.dg/torture/pr33870.c: Likewise.
	* gcc.dg/torture/pr33560.c: Likewise.
	* gcc.dg/torture/pta-structcopy-1.c: New testcase.
	* gcc.dg/torture/ssa-pta-fn-1.c: Likewise.
	* gcc.dg/tree-ssa/alias-15.c: Remove.
	* gcc.dg/tree-ssa/ssa-dce-4.c: New testcase.
	* gcc.dg/tree-ssa/pr26421.c: Adjust.
	* gcc.dg/tree-ssa/ssa-fre-10.c: XFAIL.
	* gcc.dg/tree-ssa/ssa-dce-5.c: New testcase.
	* gcc.dg/tree-ssa/pr23382.c: Adjust.
	* gcc.dg/tree-ssa/ssa-fre-20.c: New testcase.
	* gcc.dg/tree-ssa/alias-16.c: Adjust.
	* gcc.dg/tree-ssa/ssa-fre-13.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-14.c: Likewise.
	* gcc.dg/tree-ssa/alias-18.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-15.c: Likewise.
	* gcc.dg/tree-ssa/ssa-lim-3.c: Likewise.
	* gcc.dg/tree-ssa/alias-19.c: Likewise.
	* gcc.dg/tree-ssa/pta-ptrarith-1.c: New testcase.
	* gcc.dg/tree-ssa/pr13146.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-23.c: Likewise.
	* gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-18.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-24.c: New XFAILed testcase.
	* gcc.dg/tree-ssa/ssa-fre-19.c: New testcase.
	* gcc.dg/tree-ssa/alias-20.c: Likewise.
	* gcc.dg/tree-ssa/ssa-dse-12.c: Likewise.
	* gcc.dg/tree-ssa/pr38895.c: Likewise.
	* gcc.dg/uninit-B.c: XFAIL.
	* gcc.dg/vect/no-vfa-vect-43.c: Adjust.
	* gcc.dg/uninit-pr19430.c: XFAIL.
	* g++.dg/tree-ssa/pr13146.C: New testcase.
	* g++.dg/opt/pr36187.C: Adjust.
	* g++.dg/torture/20090329-1.C: New testcase.

From-SVN: r145494
2009-04-03 10:24:28 +00:00
Richard Guenther
bf1cbdc6e4 re PR middle-end/37221 (Missed early loop-unroll optimization - causes 40% degradation on SPU)
2009-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37221
	* tree-flow.h (degenerate_phi_result): Declare.
	* tree-ssa-dom.c (degenerate_phi_result): Export.
	* tree-scalar-evolution.c (analyze_initial_condition): If
	the initial condition is defined by a degenerate PHI node
	use the degenerate value.

	* gcc.c-torture/compile/20090331-1.c: New testcase.

From-SVN: r145439
2009-04-02 09:10:53 +00:00
Jan Hubicka
33977f8162 attr-noinline.c: Avoid pure-const optimization.
* gcc.dg/attr-noinline.c: Avoid pure-const optimization.
	* gcc.dg/pr33826.c: Update dump files.
	* gcc.dg/ipa/ipa-3.c: Avoid pure-const optimization.
	* gcc.dg/ipa/ipa-5.c: Avoid pure-const optimization.

	Merge from pretty-ipa:

	2009-03-27  Jan Hubicka  <jh@suse.cz>
	* cgraph.c (dump_cgraph_node): Add replace output flag by process.
	* tree-pass.h (function_called_by_processed_nodes_p): Declare.
	* passes.c (function_called_by_processed_nodes_p): New.
	* ipa-pure-const.c (check_call): Fix handling of operands.
	(analyze_function): Dump debug output for skipped bodies.
	(local_pure_const): Use function_called_by_processed_nodes_p.
	* dwarf2out.c (reference_to_unused): Use output.
	* passes.c (do_per_function_toporder): Likewise.

	2008-11-12  Jan Hubicka  <jh@suse.cz>

	* tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
	* ipa-pure-const.c (funct_state_d): Add can throw field; make
	state_set_in_source enum
	(check_decl): Ignore memory tags; do not set fake looping flags;
	dump diagnostics.
	(check_operand, check_tree, check_rhs_var, check_lhs_var,
	get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
	(check_call, analyze_function): Rewrite.
	(check_stmt): New.
	(add_new_function): Update call of analyze_function.
	(generate_summary): Add call of analyze_function.
	(propagate): Propagate can_throw; handle state_set_in_source correctly.
	(local_pure_const): New function.
	(pass_local_pure_const): New pass.
	* ipa-inline.c (inline_transform): Set after_inlining.
	* tree-eh.c (stmt_can_throw_external): New.
	* tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
	work with aliasing built.
	* tree-flow.h (stmt_can_throw_external): New.
	* passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
	and local pure/const pass in early and late optimization queue.

From-SVN: r145204
2009-03-28 19:29:35 +00:00
Richard Guenther
628c189edb gimplify.c (mark_addressable): Export.
2009-03-27  Richard Guenther  <rguenther@suse.de>

	* gimplify.c (mark_addressable): Export.
	* tree-flow.h (mark_addressable): Declare.
	* tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
	* tree-ssa.c (verify_phi_args): Verify that address taken
	variables have TREE_ADDRESSABLE set.

2009-03-27  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
	(build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
	Do not mark decls TREE_ADDRESSABLE.
	(build_fold_addr_expr): Adjust.
	(fold_addr_expr): Remove.
	(fold_unary): Use build_fold_addr_expr.
	(fold_comparison): Likewise.
	(split_address_to_core_and_offset): Likewise.
	* coverage.c (tree_coverage_counter_addr): Mark the array decl
	TREE_ADDRESSABLE.
	* gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
	(gimplify_modify_expr_to_memcpy): Mark source and destination
	addressable.
	* omp-low.c (create_omp_child_function): Mark the object decl
	TREE_ADDRESSABLE.
	(lower_rec_input_clauses): Mark the var we take the address of
	TREE_ADDRESSABLE.
	(lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.

	fortran/
	* trans-array.c (gfc_conv_descriptor_data_addr): Use
	gfc_build_addr_expr instead of build_fold_addr_expr.
	(gfc_trans_allocate_array_storage, gfc_trans_array_constructor_value,
	gfc_trans_constant_array_constructor, gfc_conv_array_data,
	gfc_conv_expr_descriptor, gfc_conv_array_parameter): Likewise.
	* trans-expr.c (gfc_conv_missing_dummy, gfc_conv_variable,
	gfc_conv_function_val, gfc_conv_operator_assign,
	gfc_conv_subref_array_arg, gfc_conv_function_call,
	gfc_conv_expr_reference, gfc_trans_scalar_assign): Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_exponent,
	gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
	gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax_char,
	gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_spacing,
	gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_set_exponent,
	gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
	gfc_conv_intrinsic_si_kind, gfc_conv_intrinsic_trim): Likewise.
	* trans-io.c (gfc_trans_io_runtime_check, set_parameter_ref,
	gfc_convert_array_to_string, gfc_trans_open, gfc_trans_close,
	build_filepos, gfc_trans_inquire, gfc_trans_wait,
	nml_get_addr_expr, transfer_namelist_element, build_dt,
	gfc_trans_dt_end, transfer_array_component, transfer_expr,
	transfer_array_desc, gfc_trans_transfer): Likewise.
	* trans-stmt.c (gfc_trans_allocate, gfc_trans_deallocate): Likewise.
	* trans.c (gfc_build_addr_expr): Mark the base of the address
	TREE_ADDRESSABLE.

From-SVN: r145142
2009-03-27 23:00:22 +00:00
Jakub Jelinek
65401a0ba3 re PR middle-end/39360 (ICE in referenced_var_lookup, at tree-dfa.c:563)
PR middle-end/39360
	* tree-flow.h (add_referenced_var): Return bool instead of void.
	* tree-dfa.c (add_referenced_var): Return result of
	referenced_var_check_and_insert call.
	* tree-inline.c (expand_call_inline): Call add_referenced_var instead
	of referenced_var_check_and_insert.

	* gcc.c-torture/compile/pr39360.c: New test.

From-SVN: r144683
2009-03-06 23:51:28 +01:00
Sebastian Pop
7d4fba4aac re PR middle-end/39335 (ICE in GCC 4.4 with -O[123] -floop-interchange)
2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/39335
	* tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
	when the type precision of the induction variable should be
	larger than the type precision of nit.
	(gen_parallel_loop): Update use of canonicalize_loop_ivs.
	* graphite.c (graphite_loop_normal_form): Same.
	* tree-flow.h (canonicalize_loop_ivs): Update declaration.

	* testsuite/gcc.dg/graphite/pr39335_1.c: New.
	* testsuite/gcc.dg/graphite/pr39335.c: New.

From-SVN: r144564
2009-03-03 03:47:22 +00:00
Jan Hubicka
cff7525fb0 re PR debug/39267 (gdb testsuite regressions)
PR debug/39267
	* tree.h (TREE_PROTECTED): Fix comment.
	(BLOCK_HANDLER_BLOCK): Remove.
	(struct tree_block): Remove handler_block add body_block.
	(inlined_function_outer_scope_p): New.
	(is_body_block): Remove.
	* dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
	* dwarf2out.c (is_inlined_entry_point): Remove.
	(add_high_low_attributes): Use inlined_function_outer_scope_p.
	(gen_block_die): Use is_inlined_entry_point check; remove body block code.
	* langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
	* gimplify.c (gimplify_expr): Gimplify body blocks.
	* tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper block
	with multiple subblocks.
	(dump_scope_block): Prettier output; dump more flags and info.
	(dump_scope_blocks): New.
	(remove_unused_locals): Use dump_scope_blocks.
	* tree-flow.h (dump_scope_blocks): Declare.
	* tree-cfg.c (execute_build_cfg): Dump scope blocks.
	* stmt.c (is_body_block): Remove.
	* tree-inline.c (remap_block): Copy BODY_BLOCK info.
	* langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.

From-SVN: r144474
2009-02-27 19:49:42 +00:00
Richard Guenther
890065bfe4 re PR tree-optimization/38819 (trapping expression wrongly hoisted out of loop)
2009-01-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38819
	* tree-flow.h (operation_could_trap_helper_p): Declare.
	* tree-eh.c (operation_could_trap_helper_p): Export.
	* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
	* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
	* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
	are about to insert a possibly trapping instruction and fail
	in this case.

	* gcc.c-torture/execute/pr38819.c: New testcase.

From-SVN: r143485
2009-01-18 15:51:12 +00:00
Jakub Jelinek
0cf0d02be5 re PR middle-end/38690 (Missing parentheses for (a-1)/2 in final_cleanup)
PR middle-end/38690
	* tree-flow.h (op_code_prio, op_prio): New prototypes.
	* tree-pretty-print.c (op_code_prio): New function.
	(op_prio): No longer static.  Use op_code_prio.
	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
	Use op_prio and op_code_prio to determine if () should be
	printed around operand(s) or not.

	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
	dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
	dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
	dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
	pp_character instead of pp_string for single letter printing.

From-SVN: r143012
2009-01-02 15:38:05 +01:00
Sebastian Pop
81b822d5d0 Fix testsuite/gfortran.dg/graphite/id-4.f90.
2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

	Fix testsuite/gfortran.dg/graphite/id-4.f90.
	* graphite.c (scan_tree_for_params): Do not compute the multiplicand
	when not needed.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.c (build_scops_1): Initialize open_scop.exit
	and sinfo.last.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

	PR middle-end/37852
	PR middle-end/37883
	PR middle-end/37928
	PR middle-end/37980
	PR middle-end/38038
	PR middle-end/38039
	PR middle-end/38073
	PR middle-end/38083
	PR middle-end/38125

	* tree-phinodes.c (remove_phi_nodes): New, extracted from...
	* tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block): ...here.
	* tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
	* Makefile.in (graphite.o): Depend on value-prof.h.
	(graphite.o-warn): Removed -Wno-error.
	* tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list 
	to be a NULL pointer.  Call update_stmt.  Return the newly created 
	cannonical induction variable.

	* graphite.h (debug_rename_map): Declared.  Fix some comments.

	* graphite.c: Reimplement the code generation from graphite to gimple.
	Include value-prof.h.
	(loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
	(get_old_iv_from_ssa_name): Removed.
	(graphite_stmt_p): New.
	(new_graphite_bb): Test for useful statements before building a
	graphite statement for the basic block.
	(free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
	in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without 
	reason.
	(recompute_all_dominators, graphite_verify,
	nb_reductions_in_loop, graphite_loop_normal_form): New.
	(scop_record_loop): Call graphite_loop_normal_form.
	(build_scop_loop_nests): Iterate over all the blocks of the
	function instead of relying on the incomplete information from
	SCOP_BBS.  Return the success of the operation.
	(find_params_in_bb): Use the data from GBB_DATA_REFS.
	(add_bb_domains): Removed.
	(build_loop_iteration_domains): Don't call add_bb_domains.
	Add the iteration domain only to the basic blocks that have been
	translated to graphite.
	(build_scop_conditions_1): Add constraints only if the basic
	block have been translated to graphite.
	(build_scop_data_accesses): Completely disabled until data
	dependence is correctly implemented.
	(debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
	(remove_all_edges_1, remove_all_edges): Removed.
	(get_new_name_from_old_name): New.
	(graphite_rename_variables_in_stmt): Renamed 
	rename_variables_in_stmt.  Call get_new_name_from_old_name.
	Use replace_exp	and update_stmt.
	(is_old_iv): Renamed is_iv.
	(expand_scalar_variables_stmt): Extra parameter for renaming map.
	Use replace_exp	and update_stmt.
	(expand_scalar_variables_expr): Same.  Use the map to get the
	new names for the renaming of induction variables and for the
	renaming of variables after a basic block has been copied.
	(expand_scalar_variables): Same.
	(graphite_rename_variables): Renamed rename_variables.
	(move_phi_nodes): Removed.
	(get_false_edge_from_guard_bb): New.
	(build_iv_mapping): Do not insert the induction variable of a
	loop in the renaming iv map if the basic block does not belong
	to that loop.
	(register_old_new_names, graphite_copy_stmts_from_block,
	copy_bb_and_scalar_dependences): New.
	(translate_clast): Heavily reimplemented: copy basic blocks,
	do not move them.  Finally, in call cleanup_tree_cfg in gloog.
	At each translation step call graphite_verify ensuring the 
	consistency of the SSA, loops and dominators information.
	(collect_virtual_phis, find_vdef_for_var_in_bb,
	find_vdef_for_var_1, find_vdef_for_var,
	patch_phis_for_virtual_defs): Removed huge hack.
	(mark_old_loops, remove_dead_loops, skip_phi_defs,
	collect_scop_exit_phi_args, patch_scop_exit_phi_args,
	gbb_can_be_ignored, scop_remove_ignoreable_gbbs, ): Removed.
	(remove_sese_region, ifsese, if_region_entry, if_region_exit,
	if_region_get_condition_block, if_region_set_false_region,
	create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
	sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb, 
	sese_add_exit_phis_edge, sese_add_exit_phis_var,
	rewrite_into_sese_closed_ssa): New.
	(gloog): Remove dead code.  Early return if code cannot be
	generated.  Call cleanup_tree_cfg once the scop has been code
	generated.
	(graphite_trans_scop_block, graphite_trans_loop_block): Do not 
	block loops with less than two loops.
	(graphite_apply_transformations): Remove the call to
	scop_remove_ignoreable_gbbs.
	(limit_scops): When build_scop_loop_nests fails, continue on next scop.
	Fix open_scop.entry.
	(graphite_transform_loops): Call recompute_all_dominators: force the
	recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
	Call initialize_original_copy_tables and free_original_copy_tables
	to be able to copy basic blocks during code generation.
	When build_scop_loop_nests fails, continue on next scop.
	(value_clast): New union.
	(clast_to_gcc_expression): Fix type cast warning.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

	* gcc.dg/graphite/pr37928.c: New.
	* gcc.dg/graphite/pr37883.c: New.
	* gcc.dg/graphite/pr38073.c: New.
	* gcc.dg/graphite/pr38125.c: New.
	* gfortran.dg/graphite/pr38083.f90: New.
	* gfortran.dg/graphite/pr37852.f90: New.
	* gfortran.dg/graphite/pr37980.f90: New.
	* gfortran.dg/graphite/id-2.f90: New.
	* gfortran.dg/graphite/id-4.f90: New.

	* gcc.dg/graphite/scop-18.c: Remove reduction, test for
	the number of detected scops.  Copy exact same test for loop blocking...
	* gcc.dg/graphite/block-1.c: Fix the number of expected loops
	to be blocked as reductions are not handled.
	* gcc.dg/graphite/block-4.c: ...here.  New.

From-SVN: r142673
2008-12-11 07:23:02 +00:00
Richard Guenther
f7c0ffb441 re PR middle-end/37742 (ICE in vectorizer with restrict pointer)
2008-11-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/37742
	* tree-ssa.c (useless_type_conversion_p_1): Check different restrict
	qualified pointer conversion before stripping qualifiers.
	* gimplify.c (create_tmp_from_val): Use correctly qualified type.
	* tree-flow.h (may_propagate_address_into_dereference): Declare.
	* tree-ssa-ccp.c (may_propagate_address_into_dereference): New function.
	(ccp_fold): Use it.
	* tree-ssa-forwprop.c (rhs_to_tree): Remove useless conversions,
	properly canonicalize binary ops.
	(forward_propagate_addr_expr_1): Use
	may_propagate_address_into_dereference.

	cp/
	* decl.c (start_preparsed_function): Use the correct type for
	building the RESULT_DECL.

	* gcc.c-torture/compile/pr37742.c: New testcase.
	* g++.dg/pr37742.C: Likewise.
	* gcc.dg/tree-ssa/forwprop-7.c: Check for two volatile loads.

From-SVN: r141606
2008-11-05 12:17:10 +00:00
Jan Hubicka
e7f8819332 re PR middle-end/37448 (cannot compile big function)
PR middle-end/37448
	* ipa-reference.c (ipa_reference_local_vars_info_d,
	ipa_reference_global_vars_info_d,
	ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t,
	ipa_reference_vars_info_t): Move here from ipa-reference.h
	(node_duplication_hook_holder, node_removal_hook_holder): New.
	(get_reference_vars_info_from_cgraph): Rename to ...
	(get_reference_vars_info): ... this one, use cgraph uids.
	(get_local_reference_vars_info, get_global_reference_vars_info):
	Use cgraph instead of decl.
	(ipa_reference_get_read_local, ipa_reference_get_written_local): Remove.
	(ipa_reference_get_read_global, ipa_reference_get_not_read_global
	ipa_reference_get_written_global, ipa_reference_get_not_written_global): Use
	cgraph argument.
	(check_call): Simplify avail check.
	(scan_stmt_for_static_refs): Update.
	(propagate_bits): Update.
	(merge_callee_local_info): Remove.
	(init_function_info): Use cgraph nodes.
	(clean_function_local_data): Break out from ...
	(clean_function): ... here.
	(copy_local_bitmap, copy_global_bitmap): New functions.
	(duplicate_node_data, remove_node_data): New functions.
	(generate_summary): Register hooks; use visibility instead of
	master clones.
	(propafate): Use cgraph nodes; copy bitmap to each node in cycle.
	* ipa-reference.h (ipa_reference_local_vars_info_d,
	ipa_reference_global_vars_info_d,
	ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t,
	ipa_reference_vars_info_t): Move to ipa-reference.c
	(ipa_reference_get_read_local, ipa_reference_get_written_local):
	Remove.
	(ipa_reference_get_read_global, ipa_reference_get_written_global,
	ipa_reference_get_not_read_global, ipa_reference_get_not_written_global):
	Update prototype.
	* ipa-pure-const.c (funct_state_vec): Turn into VECtor.
	(init_state): Remove.
	(node_duplication_hook_holder, node_removal_hook_holder): New.
	(get_function_state, set_function_state): Use VECtor.
	(analyze_function): Check body availability.
	(add_new_function): Likewise.
	(duplicate_node_data, remove_node_data): New.
	(generate_summary): Register hooks; do not care about clones.
	(propafate): Do not care about clones; recursive functions are not looping.
	* ipa-utils.c (searchc, ipa_utils_reduced_inorder): Do not skip clones.
	* ipa-prop.c (edge_removal_hook_holder, node_removal_hook_holder,
	* edge_duplication_hook_holder, node_duplication_hook_holder): Make
	static.
	* tree-flow.h (function_ann_d): Remove reference_vars_info.
	* tree-ssa-opreands.c (add_call_clobber_ops, add_call_read_ops): Update call of
	ipa-reference accesors.

From-SVN: r140465
2008-09-18 18:16:45 +00:00
Andrew MacLeod
4b756989b3 Fix comments and formatrting
From-SVN: r140457
2008-09-18 14:13:54 +00:00
Paolo Bonzini
3082165492 dojump.c (do_jump): Move below.
2008-09-11  Paolo Bonzini  <bonzini@gnu.org>

	* dojump.c (do_jump) [BIT_AND_EXPR]: Move below.  Fall through to
	TRUTH_AND_EXPR for boolean (1-bit precision) expressions.
	(do_jump) [BIT_IOR_EXPR]: Compile as TRUTH_OR_EXPR.

	* tree-flow.h (simplify_stmt_using_ranges): Accept a GSI, return a bool.
	* tree-ssa-propagate.c (substitute_and_fold): Pass a GSI to
	VRP's simplify_stmt_using_ranges.  Do simplify_stmt_using_ranges
	before finalizing the changes.
	* tree-vrp.c (extract_range_from_binary_expr): Add limited support
	for BIT_IOR_EXPR.
	(simplify_truth_ops_using_ranges): New.
	(simplify_div_or_mod_using_ranges, simplify_abs_using_ranges,
	simplify_cond_using_ranges, simplify_switch_using_ranges): Return
	whether a simplification was made.
	(simplify_stmt_using_ranges): Ditto, and accept a GSI.  For GS_ASSIGN,
	use a switch statement and also call simplify_truth_ops_using_ranges.

testsuite:
2008-09-11  Paolo Bonzini  <bonzini@gnu.org>

	* gcc.dg/tree-ssa/vrp47.c: New.
	* gcc.target/i386/andor-2.c: New.

From-SVN: r140288
2008-09-11 14:45:05 +00:00
Ian Lance Taylor
e0c68ce9d2 rtl.h (LABEL_REF_NONLOCAL_P): Don't check for REG_LABEL_OPERAND or REG_LABEL_TARGET.
./:	* rtl.h (LABEL_REF_NONLOCAL_P): Don't check for REG_LABEL_OPERAND
	or REG_LABEL_TARGET.
	* calls.c (emit_library_call_value_1): Use MEM_P rather than
	comparing MODE with MEM.
	* gimple.c (gimple_build_predict): Cast END_PREDICTORS before
	comparing with GF_PREDICT_TAKEN.
	(gimple_get_lhs): Change code to enum gimple_code.
	(gimple_set_lhs): Likewise.
	* ifcvt.c (noce_process_if_block): Correct GET_MODE to GET_CODE.
	* omp-low.c (find_omp_clause): Change kind parameter to enum
	omp_clause_code.
	* tree-flow.h (find_omp_clause): Update declaration.
	* regrename.c (clear_dead_regs): Change kind parameter to enum
	reg_note.
	* reload1.c (eliminate_regs_1): Use REG_NOTE_KIND rather than
	GET_MODE.
	* see.c (see_get_extension_data): Change return type to enum
	entry_type.  Change UNKNOWN to NOT_RELEVANT, SIGN_EXTEND to
	SIGNED_EXTENDED_DEF, ZERO_EXTEND to ZERO_EXTENDED_DEF.
	(see_gen_normalized_extension): Change extension_code parameter to
	enum entry_type.
	(see_seek_pre_extension_expr): Change extension_code to enum
	entry_type.
	(see_merge_one_def_extension): Likewise.
	(see_handle_relevant_defs): Likewise.
	(see_handle_relevant_uses): Likewise.
	(see_analyze_one_def): Likewise.
	* tree-cfg.c (need_fake_edge_p): Compare gimple code with
	GIMPLE_ASM rather than ASM_EXPR.
	* tree-ssa-alias.c (is_escape_site): Compare gimple code with
	GIMPLE_RETURN rather than RETURN_EXPR.
	* tree-ssa-ccp.c (likely_value): Change code to enum gimple_code.
	(evaluate_stmt): Likewise.
	* tree-vect-analyze.c (vect_analyze_operations): Change relevance
	to enum vect_relevant.
	(vect_mark_stmts_to_be_vectorized): Change assertion to not
	compare gimple codes with tree codes.
cp/:
	* parser.c (check_no_duplicate_clause): Change code parameter to
	enum omp_clause_code.
fortran/:
	* symbol.c (generate_isocbinding_symbol): Compare
	gfc_notification_std with ERROR rather than FAILURE.
	* resolve.c (check_assumed_size_reference): Compare array type
	with AR_FULL rather than DIMEN_ELEMENT.
	(resolve_actual_arglist): Compare with EXPR_VARIABLE rather than
	FL_VARIABLE.

From-SVN: r139991
2008-09-04 17:32:38 +00:00
Sebastian Pop
f8bf925265 backport: configure: Regenerate.
2008-09-02  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <grosser@fim.uni-passau.de>
	    Jan Sjodin  <jan.sjodin@amd.com>
	    Harsha Jagasia  <harsha.jagasia@amd.com>
	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
	    Konrad Trifunovic  <konrad.trifunovic@inria.fr>
	    Adrien Eliche  <aeliche@isty.uvsq.fr>

	Merge from graphite branch.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* configure.ac (host_libs): Add ppl and cloog.
	Add checks for PPL and CLooG.
	* Makefile.def (ppl, cloog): Added modules and dependences.
	* Makefile.tpl (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): New.
	(HOST_PPLLIBS, HOST_PPLINC, HOST_CLOOGLIBS, HOST_CLOOGINC): New.

gcc/
	* graphite.c: New.
	* graphite.h: New.
	* tree-loop-linear.c (perfect_loop_nest_depth): Export.
	* doc/invoke.texi (-floop-block, -floop-interchange,
	-floop-strip-mine): Document new flags.
	* tree-into-ssa.c (gimple_vec): Moved...
	* tree-loop-distribution.c (rdg_component): Moved...
	* cfgloopmanip.c: Include tree-flow.h.
	(update_dominators_in_loop): New.
	(create_empty_if_region_on_edge): New.
	(create_empty_loop_on_edge): New.
	(loopify): Use update_dominators_in_loop.
	* tree-pass.h (pass_graphite_transforms): Declared.
	* configure: Regenerate.
	* tree-phinodes.c (make_phi_node): Export.
	(add_phi_node_to_bb): New, split from create_phi_node.
	* tree-chrec.c (for_each_scev_op): New.
	* tree-chrec.h (for_each_scev_op): Declared.
	* tree-ssa-loop-ivopts.c (get_phi_with_result): New.
	(remove_statement): Call get_phi_with_result.
	* config.in (HAVE_cloog): Undef.
	* gdbinit.in (pgg): New.
	* timevar.def (TV_GRAPHITE_TRANSFORMS): New.
	* tree-ssa-loop.c (graphite_transforms): New.
	(gate_graphite_transforms): New.
	(pass_graphite_transforms): New.
	* configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC,
	HAVE_cloog): Defined.
	* tree-vectorizer.c (rename_variables_in_bb): Export.
	* tree-data-ref.c (dr_may_alias_p): Export.
	(stmt_simple_memref_p): New.
	(find_data_references_in_stmt): Export.
	(find_data_references_in_loop): Export.
	(create_rdg_edge_for_ddr): Initialize RDGE_RELATION.
	(create_rdg_edges_for_scalar): Initialize RDGE_RELATION.
	(create_rdg_vertices): Export.
	(build_empty_rdg): New.
	(build_rdg): Call build_empty_rdg.  Free dependence_relations.
	* tree-data-ref.h (rdg_component): ... here.
	(scop_p): New.
	(struct data_reference): Add a field scop.
	(DR_SCOP): New.
	(find_data_references_in_loop): Declared.
	(find_data_references_in_stmt): Declared.
	(create_rdg_vertices): Declared.
	(dr_may_alias_p): Declared.
	(stmt_simple_memref_p): Declared.
	(struct rdg_edge): Add a field ddr_p relation.
	(build_empty_rdg): Declared.
	* lambda.h (lambda_matrix): Declare a VEC of.
	(find_induction_var_from_exit_cond): Declared.
	(lambda_vector_compare): New.
	* common.opt (fgraphite, floop-strip-mine,
	floop-interchange, floop-block): New flags.
	* lambda-code.c (find_induction_var_from_exit_cond): Export.
	* cfgloop.c (is_loop_exit): New.
	* cfgloop.h (is_loop_exit): Declared.
	(create_empty_if_region_on_edge): Declared.
	(create_empty_loop_on_edge): Declared.
	* tree-flow.h (add_phi_node_to_bb): Declared.
	(make_phi_node): Declared.
	(rename_variables_in_bb): Declared.
	(perfect_loop_nest_depth): Declared.
	(graphite_transform_loops): Declared.
	* Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H.
	(graphite.o-warn): Add -Wno-error.
	(PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared.
	(LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS.
	(INCLUDES): Add PPLINC, CLOOGINC.
	(OBJS-common): Add graphite.o.
	(graphite.o): Add rule.
	* gimple.h (gimple_vec): ... here.
	* tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR.
	* passes.c (init_optimization_passes): Schedule 
	pass_graphite_transforms.

testsuite/

	* gcc.dg/graphite/scop-{0,1,2,3,4,5,6,7,8,9,
	10,11,12,13,14,15,16,17,18}.c: New.
	* gcc.dg/graphite/graphite.exp: New.
	* gcc.dg/graphite/scop-matmult.c: New.
	* gcc.dg/graphite/block-0.c: New.
	* lib/target-supports.exp (check_effective_target_fgraphite): New.
	* gfortran.dg/graphite/block-1.f90: New.
	* gfortran.dg/graphite/scop-{1,2}.f: New.
	* gfortran.dg/graphite/block-{1,3,4}.f90: New.
	* gfortran.dg/graphite/graphite.exp: New.


Co-Authored-By: Adrien Eliche <aeliche@isty.uvsq.fr>
Co-Authored-By: Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
Co-Authored-By: Harsha Jagasia <harsha.jagasia@amd.com>
Co-Authored-By: Jan Sjodin <jan.sjodin@amd.com>
Co-Authored-By: Konrad Trifunovic <konrad.trifunovic@inria.fr>
Co-Authored-By: Tobias Grosser <grosser@fim.uni-passau.de>

From-SVN: r139893
2008-09-02 16:31:04 +00:00
Jan Hubicka
f40751dd34 fwprop.c (should_replace_address): Add speed attribute.
* fwprop.c (should_replace_address): Add speed attribute.
	(PR_OPTIMIZE_FOR_SPEED): New flag.
	(propagate_rtx_1): Use it.
	(propagate_rtx): Set it.
	(try_fwprop_subst): Update call of rtx_costs.
	(forward_propagate_and_simplify): LIkewise.
	* hooks.c (hook_int_rtx_bool_0): New
	(hook_bool_rtx_int_int_intp_false): Replace by ...
	(hook_bool_rtx_int_int_intp_bool_false): .. thisone.
	* hooks.h (hook_int_rtx_bool_0): New
	(hook_bool_rtx_int_int_intp_false): Replace by ...
	(hook_bool_rtx_int_int_intp_bool_false): .. thisone.
	* optabs.c (avoid_expensive_constant): UPdate call of rtx_cost.
	(prepare_cmp_insn): UPdate call of rtx_cost.
	* postreload.c (reload_cse_simplify_set): Update call of rtx_cost.
	(reload_cse_simplify_operands): Update call of rtx_cost.
	(reload_cse_move2add): call of rtx_cost.
	* target.h (struct gcc_target): Update rtx_costs and address_costs.
	* rtlanal.c (rtx_cost): Add speed argument.
	(address_cost): Add speed argument
	(default_address_cost): Likewise.
	(insn_rtx_cost): Likewise.
	* cfgloopanal.c (seq_cost): Add speed argument.
	(target_reg_cost, target_spill_cost): Turn to array.
	(init_set_costs): Update for speed.
	(estimate_reg_pressure_cost): Add speed argument.
	* auto-inc-dec.c (attempt_change): Update call of rtx_cost.
	* dojump.c (prefer_and_bit_test): UPdate call of rtx_cost.
	* tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed.
	(seq_cost): Add speed argument.
	(computation_cost): Add speed arugment.
	(add_cost, multiply_by_const, get_address_cost): add speed argument.
	(force_expr_to_var_cost): Update for profile info.
	(force_var_cost): Likewise.
	(split_address_cost): Likewise.
	(ptr_difference_cost): Likewise.
	(difference_cost): Likewise.
	(get_computation_cost_at): Likewise.
	(determine_iv_cost): Likewise.
	(ivopts_global_cost_for_size): Likewise.
	(rewrite_use_address): Likewise.
	(tree_ssa_iv_optimize_loop): Initialize speed field.
	* cse.c (optimize_this_for_speed_p): New static var.
	(notreg_cost): Update call of rtx_cost.
	(cse_extended_basic_block): set optimize_this_for_speed_p.
	* ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost.
	(noce_try_cmove_arith): Likewise.
	(noce_try_sign_mask): LIkewise.
	* expr.c (compress_float_constant): Update rtx_cost calls.
	* tree-ssa-address.c (most_expensive_mult_to_index): Add speed argument.
	(addr_to_parts): Likewise.
	(create_mem_ref): Likewise.
	* dse.c (find_shift_sequence): Add speed argument.
	(replace_read): Update call.
	* calls.c (precompute_register_parameters): Update call of rtx_cost.
	* expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost,
	* neg_cost, shift_cost, shiftadd_cost,
	shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost,
	mul_highpart_cost): Increase dimension.
	(init_expmed): Initialize for both size and speed.
	(expand_shift): Use profile.
	(synth_mult): Use profile.
	(choose_mult_variant): Use profile.
	(expand_mult): Use profile.
	(expand_mult_highpart_optab): Use profile.
	(expand_mult_highpart): Use profile.
	(expand_smod_pow2): Use profile.
	(expand_divmod): Use profile.
	* simplify-rtx.c (simplify_binary_operation_1): Update call of rtx_cost.
	* loop-invariant.c (create_new_invariant): Use profile.
	(gain_for_invariant): Add speed parameter.
	(best_gain_for_invariant): Likewise.
	(find_invariants_to_move): Likewise.
	(move_single_loop_invariants): Set it.
	* target-def.h (TARGET_RTX_COSTS): Use hook.
	* rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe.
	(optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
	* output.h (default_address_cost): Update prototype.
	* combine.c (optimize_this_for_speed_p): New static var.
	(combine_validate_cost): Update call of rtx_cost.
	(combine_instructions): Set optimize_this_for_speed_p.
	(expand_compound_operation): Update call of rtx_cost.
	(make_extraction):Update call of rtx_cost.
	(force_to_mode):Update call of rtx_cost.
	(distribute_and_simplify_rtx):Update call of rtx_cost.
	* cfgloop.h (target_reg_cost, target_spill_cost): Turn to array.
	(estimate_reg_pressure_cost): Update prototype.
	* tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype.
	* basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p):
	Remove.
	* config/alpha/alpha.c (alpha_rtx_costs): Update.
	(alpha_rtx_costs): Update.
	* config/frv/frv.c (frv_rtx_costs): Update.
	* config/s390/s390.c (s390_rtx_costs): Update.
	* config/m32c/m32c.c (m32c_memory_move_cost): Update.
	(m32c_rtx_costs): Update.
	* config/spu/spu.c (TARGET_ADDRESS_COST): Upate.
	(spu_rtx_costs): Update.
	* config/sparc/sparc.c (sparc_rtx_costs): Update.
	* config/m32r/m32r.c (m32r_rtx_costs): Update.
	* config/i386/i386.c (:ix86_address_cost): Update.
	(ix86_rtx_costs): Update.
	* config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update.
	* config/pdp11/pdp11.c (pdp11_rtx_costs): Update.
	* config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update.
	* config/crx/crx.c (crx_address_cost): Update.
	* config/xtensa/xtensa.c (xtensa_rtx_costs): Update.
	* config/stormy16/stormy16.c
	(xstormy16_address_cost, xstormy16_rtx_costs): Update.
	* config/m68hc11/m68hc11.c
	(m68hc11_address_cost, m68hc11_rtx_costs): Update.
	* config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update.
	* config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): Update.
	* config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): Update
	* config/ia64/ia64.c (ia64_rtx_costs): Update.
	* config/m68k/m68k.c (m68k_rtx_costs): Update.
	* config/rs6000/rs6000.c (rs6000_rtx_costs): Update.
	* config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update.
	* config/mcore/mcore.c (TARGET_ADDRESS_COST): Update.
	(mcore_rtx_costs): update.
	* config/score/score3.c (score3_rtx_costs): Update.
	* config/score/score7.c (score7_rtx_costs): Update.
	* config/score/score3.h (score3_rtx_costs):Update.
	* config/score/score7.h (score7_rtx_costs): Update.
	* config/score/score.c (score_rtx_costs): Update.
	* config/arm/arm.c (arm_address_cost): Update.
	(arm_rtx_costs_1): Update.
	(arm_rtx_costs_1): Update.
	(arm_size_rtx_costs): Update.
	(arm_size_rtx_costs): Update.
	(arm_size_rtx_costs): Update.
	(arm_xscale_rtx_costs): Update.
	(arm_thumb_address_cost): Update.
	* config/pa/pa.c (hppa_address_cost): Update.
	* config/mips/mips.c (mips_rtx_costs): Update.
	* config/vax/vax.c (vax_address_cost): Update.
	* config/h8300/h8300.c (h8300_shift_costs): Update.
	(h8300_rtx_costs): Update.
	* config/v850/v850.c (TARGET_ADDRESS_COST): Update.
	(v850_rtx_costs): Update.
	* config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update.
	* config/bfin/bfin.c
	(bfin_address_cost): Update.
	(bfin_rtx_costs): Update.
	* stmt.c (lshift_cheap_p): Update.

From-SVN: r139821
2008-08-31 09:44:25 +00:00
Richard Guenther
4d2ad64c5b re PR ada/36957 (ACATS ce3801b ICE emit_move_insn, at expr.c:3381 post tuple merge)
2008-07-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36957
	* tree-flow.h (tree_ssa_useless_type_conversion): Remove.
	(useless_type_conversion_p): Remove.
	(types_compatible_p): Remove.
	* gimple.h (tree_ssa_useless_type_conversion): Declare.
	(useless_type_conversion_p): Declare.
	(types_compatible_p): Declare.
	(gimple_expr_type): Return the base type only if it is
	trivially convertible to the subtype.

From-SVN: r138217
2008-07-28 20:32:32 +00:00
Richard Biener
726a989a8b backport: ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
2008-07-28  Richard Guenther  <rguenther@suse.de>

	Merge from gimple-tuples-branch.

	* ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
	* gimple.def: New file.
	* gsstruct.def: Likewise.
	* gimple-iterator.c: Likewise.
	* gimple-pretty-print.c: Likewise.
	* tree-gimple.c: Removed.  Merged into ...
	* gimple.c: ... here.  New file.
	* tree-gimple.h: Removed.  Merged into ...
	* gimple.h: ... here.  New file.

	* Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
	* configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
	--enable-checking=gimple flag.
	* config.in: Likewise.
	* configure: Regenerated.

	* tree-ssa-operands.h: Tuplified.
	* tree-vrp.c: Likewise.
	* tree-loop-linear.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-dump.c: Likewise.
	* tree-complex.c: Likewise.
	* cgraphbuild.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tracer.c: Likewise.
	* gengtype.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-ssa-loop-unswitch.c: Likewise.
	* cgraph.c: Likewise.
	* cgraph.h: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* value-prof.c: Likewise.
	* tree-ssa-loop-ch.c: Likewise.
	* tree-tailcall.c: Likewise.
	* value-prof.h: Likewise.
	* tree.c: Likewise.
	* tree.h: Likewise.
	* tree-pass.h: Likewise.
	* ipa-cp.c: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-scalar-evolution.h: Likewise.
	* target.h: Likewise.
	* lambda-mat.c: Likewise.
	* tree-phinodes.c: Likewise.
	* diagnostic.h: Likewise.
	* builtins.c: Likewise.
	* tree-ssa-alias-warnings.c: Likewise.
	* cfghooks.c: Likewise.
	* fold-const.c: Likewise.
	* cfghooks.h: Likewise.
	* omp-low.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* ipa-reference.c: Likewise.
	* tree-ssa-uncprop.c: Likewise.
	* toplev.c: Likewise.
	* tree-gimple.c: Likewise.
	* tree-gimple.h: Likewise.
	* tree-chrec.c: Likewise.
	* tree-chrec.h: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-sccvn.h: Likewise.
	* cgraphunit.c: Likewise.
	* tree-ssa-copyrename.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-nomudflap.c: Likewise.
	* tree-call-cdce.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* c-format.c: Likewise.
	* tree-stdarg.c: Likewise.
	* tree-ssa-math-opts.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-nrv.c: Likewise.
	* tree-ssa-propagate.c: Likewise.
	* ipa-utils.c: Likewise.
	* tree-ssa-propagate.h: Likewise.
	* tree-ssa-alias.c: Likewise.
	* gimple-low.c: Likewise.
	* tree-ssa-sink.c: Likewise.
	* ipa-inline.c: Likewise.
	* c-semantics.c: Likewise.
	* dwarf2out.c: Likewise.
	* expr.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* predict.c: Likewise.
	* tree-ssa-loop.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-ifcombine.c: Likewise.
	* matrix-reorg.c: Likewise.
	* c-decl.c: Likewise.
	* tree-eh.c: Likewise.
	* c-pretty-print.c: Likewise.
	* lambda-trans.c: Likewise.
	* function.c: Likewise.
	* langhooks.c: Likewise.
	* ebitmap.h: Likewise.
	* tree-vectorizer.c: Likewise.
	* function.h: Likewise.
	* langhooks.h: Likewise.
	* tree-vectorizer.h: Likewise.
	* ipa-type-escape.c: Likewise.
	* ipa-type-escape.h: Likewise.
	* domwalk.c: Likewise.
	* tree-if-conv.c: Likewise.
	* profile.c: Likewise.
	* domwalk.h: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-data-ref.h: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-affine.c: Likewise.
	* tree-vect-analyze.c: Likewise.
	* c-typeck.c: Likewise.
	* gimplify.c: Likewise.
	* coretypes.h: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* calls.c: Likewise.
	* tree-ssa-coalesce.c: Likewise.
	* tree.def: Likewise.
	* tree-dfa.c: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* cfgexpand.c: Likewise.
	* tree-cfgcleanup.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-live.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-live.h: Likewise.
	* tree-predcom.c: Likewise.
	* lambda.h: Likewise.
	* tree-mudflap.c: Likewise.
	* ipa-prop.c: Likewise.
	* print-tree.c: Likewise.
	* tree-ssa-copy.c: Likewise.
	* ipa-prop.h: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* ggc-page.c: Likewise.
	* c-omp.c: Likewise.
	* tree-ssa-dce.c: Likewise.
	* tree-vect-patterns.c: Likewise.
	* tree-ssa-ter.c: Likewise.
	* tree-nested.c: Likewise.
	* tree-ssa.c: Likewise.
	* lambda-code.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-inline.c: Likewise.
	* tree-inline.h: Likewise.
	* tree-iterator.c: Likewise.
	* tree-optimize.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-vect-transform.c: Likewise.
	* tree-object-size.c: Likewise.
	* tree-outof-ssa.c: Likewise.
	* cfgloop.c: Likewise.
	* system.h: Likewise.
	* tree-profile.c: Likewise.
	* cfgloop.h: Likewise.
	* c-gimplify.c: Likewise.
	* c-common.c: Likewise.
	* tree-vect-generic.c: Likewise.
	* tree-flow.h: Likewise.
	* c-common.h: Likewise.
	* basic-block.h: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-switch-conversion.c: Likewise.
	* tree-ssa-structalias.h: Likewise.
	* tree-cfg.c: Likewise.
	* passes.c: Likewise.
	* ipa-struct-reorg.c: Likewise.
	* ipa-struct-reorg.h: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* cfgrtl.c: Likewise.
	* varpool.c: Likewise.
	* stmt.c: Likewise.
	* tree-ssanames.c: Likewise.
	* tree-ssa-threadedge.c: Likewise.
	* langhooks-def.h: Likewise.
	* tree-ssa-operands.c: Likewise.
	* config/alpha/alpha.c: Likewise.
	* config/frv/frv.c: Likewise.
	* config/s390/s390.c: Likewise.
	* config/m32c/m32c.c: Likewise.
	* config/m32c/m32c-protos.h: Likewise.
	* config/spu/spu.c: Likewise.
	* config/sparc/sparc.c: Likewise.
	* config/i386/i386.c: Likewise.
	* config/sh/sh.c: Likewise.
	* config/xtensa/xtensa.c: Likewise.
	* config/stormy16/stormy16.c: Likewise.
	* config/ia64/ia64.c: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/pa/pa.c: Likewise.
	* config/mips/mips.c: Likewise.

From-SVN: r138207
2008-07-28 14:33:56 +00:00
Richard Guenther
caf55296b9 tree-ssa-sccvn.c (pre_info): Remove.
2008-07-14  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (pre_info): Remove.
	(switch_to_PRE_table): Likewise.
	(free_scc_vn): Do not clear SSA_NAME_VALUE.
	Do not free pre_info.
	(set_hashtable_value_ids): Do not create value-ids for the
	optimistic tables.
	(run_scc_vn): Remove double test.  Remove bogus special-case
	in value-number printing.
	* tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
	* tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
	SSA_NAME_VALUE.
	* tree-flow-inline.h (get_value_handle): Remove.
	* tree-flow.h (get_value_handle): Remove.

From-SVN: r137787
2008-07-14 15:38:49 +00:00
Daniel Berlin
c91457541d Fix PR tree-optimization/23455 Fix PR tree-optimization/35286 Fix PR tree-optimization/35287
2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
	
	Fix PR tree-optimization/23455
	Fix PR tree-optimization/35286
	Fix PR tree-optimization/35287
	* Makefile.in (OBJS-common): Remove tree-vn.o.
	tree-vn.o: Remove.
	* dbgcnt.def: Add treepre_insert debug counter.
	* gcc/tree-flow.h (add_to_value): Updated for other changes.
	(debug_value_expressions): Ditto.
	(print_value_expressions): Ditto.
	* tree-pretty-print.c (dump_generic_node): Updated for
	VALUE_HANDLE removal.
	* tree-ssa-dom.c (record_equality): Ditto.
	(cprop_operand): Ditto.
	(lookup_avail_expr): Ditto.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ditto.
	(simplify_control_stmt_condition): Ditto.
	* tree.c (tree_code_size): Ditto.
	(tree_node_structure): Ditto.
	(iterative_hash_expr): Ditto.
	* tree.def: Ditto.
	* tree.h (VALUE_HANDLE_ID): Ditto.
	(VALUE_HANDLE_EXPR_SET): Ditto.
	(struct tree_value_handle): Ditto.
	(union tree_node): Ditto.
	* treestruct.def: Ditto.
	* tree-vn.c: Removed.
	* tree-ssa-pre.c: Rewritten entirely.
	* tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
	(constant_value_ids): Ditto.
	(vn_nary_op_t): Moved to header.
	(vn_phi_t): Ditto.
	(vn_reference_op_t): Ditto
	(vn_reference_t): Ditto.
	(next_value_id): New variable.
	(VN_INFO): Add an assert.
	(vn_constant_eq): New function.
	(vn_constant_hash): Ditto.
	(get_or_alloc_constant_value_id): Ditto.
	(value_id_constant_p): Ditto.
	(vn_reference_compute_hash): De-staticify.
	(copy_reference_ops_from_ref): Don't use get_callee_fndecl.
	Disable some code with a FIXME.
	Remove VALUE_HANDLE use.
	(valueize_refs): Update opcode if it changes from ssa name to
	constant.
	(vn_reference_lookup_1): Add new argument.
	(vn_reference_lookup):  Ditto.
	(vn_reference_lookup_pieces): New function.
	(vn_reference_insert): Add return type. Modify to deal with value
	ids.
	(vn_reference_insert_pieces):  New function.
	(vn_nary_op_compute_hash): De-staticify.
	(vn_nary_op_eq): Ditto.
	(vn_nary_op_lookup_pieces): New function.
	(vn_nary_op_lookup): Add new argument.  
	(vn_nary_op_insert_pieces): New function.
	(vn_nary_op_insert): Add return type. Modify to deal with value
	ids.
	(vn_phi_insert): Ditto.
	(visit_unary_op): Update for callee changes.
	(visit_binary_op): Ditto.
	(visit_reference_op_load): Ditto.
	(visit_reference_op_store): Ditto.
	(init_scc_vn): Init next_value_id, constant_to_value_id and
	constant_value_ids. 
	(free_scc_vn): Free them.
	(set_hashtable_value_ids): New function.
	(run_scc_vn): Use it.
	(get_max_value_id): New function.
	(get_next_value_id): Ditto.
	(expressions_equal_p): Moved from tree-vn.c
	(sort_vuses): Ditto.
	(sort_vuses_heap): Ditto.
	* tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
	above).
	* tree.c (iterative_hash_hashval_t): Made non-static
	* tree.h (iterative_hash_hashval_t): Declare it.

From-SVN: r137631
2008-07-08 16:11:06 +00:00
Eric Botcazou
52778e2a62 tree-flow.h (loop_only_exit_p): Declare.
* tree-flow.h (loop_only_exit_p): Declare.
	* tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
	* tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
	the number of iterations if it is constant.  Otherwise, if this is the
	only possible exit of the loop, use the conservative estimate on the
	number of iterations of the entire loop if available.

From-SVN: r137437
2008-07-03 22:02:18 +00:00
Richard Guenther
15c151967d tree-ssa-structalias.c (callused_id, [...]): Add.
2008-06-28  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (callused_id, var_callused,
	callused_tree): Add.
	(handle_pure_call): New function.
	(find_func_aliases): Call it.
	(find_what_p_points_to): Handle the call-used set.
	(clobber_what_escaped): Likewise.
	(compute_call_used_vars): New function.
	(init_base_vars): Init the call-used variable.
	(do_sd_constraint): Do not propagate the solution from CALLUSED
	but use CALLUSED as a placeholder.
	(solve_graph): Likewise.
	* tree-flow-inline.h (gimple_call_used_vars): New function.
	* tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
	(compute_call_used_vars): Declare.
	* tree-ssa-alias.c (set_initial_properties): Call
	compute_call_used_vars.
	(reset_alias_info): Clear call-used variables.
	(add_call_clobber_ops): Assert we are not called for const/pure
	functions.  Remove handling of them.
	(add_call_read_ops): Handle pure functions by adding the
	call-used set of variables as VUSEs.
	* tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
	(delete_tree_ssa): Free it.
	* tree-dfa.c (remove_referenced_var): Clear the var from the
	call-used bitmap.

	* gcc.dg/tree-ssa/pr24287.c: Remove XFAIL.

From-SVN: r137222
2008-06-28 13:17:20 +00:00
Jakub Jelinek
b357f682db re PR debug/36617 (Debug info for OpenMP code is almost non-existent)
PR debug/36617
	* tree-cfg.c (struct move_stmt_d): Replace block field with
	orig_block and new_block fields.
	(move_stmt_r): Only set TREE_BLOCK to p->new_block if
	if it used to be NULL, p->orig_block or if p->orig_block is NULL.
	(move_block_to_fn): Replace vars_map and new_label_map arguments
	with struct move_stmt_d pointer.
	(replace_block_vars_by_duplicates): New function.
	(move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
	move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
	all subblocks of ORIG_BLOCK to the new function.  Call
	replace_block_vars_by_duplicates.
	* tree-flow.h (move_sese_region_to_fn): Adjust prototype.
	* omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
	BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
	Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
	(expand_omp): Temporarily set input_location to the location of
	region's controlling stmt.
	(lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
	BIND_EXPR, push ctx->block_vars and gimplification vars into
	the BIND_EXPR and its block's BLOCK_VARS instead of directly
	into dest function.
	(lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
	there are any BLOCK_VARS.
	(lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
	OMP_PARALLEL or OMP_TASK stmt.
	(lower_omp): Save and restore input_location around the lower_omp_1
	call.

	* testsuite/libgomp.c/debug-1.c: New test.

From-SVN: r137198
2008-06-27 21:42:32 +02:00
Richard Guenther
b7091901cd re PR tree-optimization/36400 (points-to results wrong)
2008-06-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36400
	PR tree-optimization/36373
	PR tree-optimization/36344
	* tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
	var_nonlocal, nonlocal_tree, nonlocal_id): New globals
	(update_alias_info): Remove call clobbering code.
	(make_constraint_to): New helper function.
	(make_escape_constraint): Likewise.
	(handle_rhs_call): Use it on all pointer containing arguments.
	Also mark the static chain escaped.
	(handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
	instead of ANYTHING.
	(make_constraint_from): New helper split out from ...
	(make_constraint_from_anything): ... here.
	(find_func_aliases): Add constraints for escape sites.
	(intra_create_variable_infos): Make constraints from NONLOCAL
	for parameters.
	(find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
	as ANYTHING.
	(clobber_what_p_points_to): Remove.
	(clobber_what_escaped): New function.
	(init_base_vars): Init NONLOCAL and ESCAPED.
	(do_sd_constraint): Do not propagate the solution from ESCAPED
	but use ESCAPED as a placeholder.
	(solve_graph): Likewise.
	* tree-flow.h (clobber_what_p_points_to): Remove.
	(clobber_what_escaped): Declare.
	* tree-ssa-alias.c (set_initial_properties): Call it.
	Remove code clobbering escaped pointers.

	* gcc.dg/torture/pr36373-1.c: New testcase.
	* gcc.dg/torture/pr36373-2.c: Likewise.
	* gcc.dg/torture/pr36373-3.c: Likewise.
	* gcc.dg/torture/pr36373-4.c: Likewise.
	* gcc.dg/torture/pr36373-5.c: Likewise.
	* gcc.dg/torture/pr36373-6.c: Likewise.
	* gcc.dg/torture/pr36373-7.c: Likewise.
	* gcc.dg/torture/pr36373-8.c: Likewise.
	* gcc.dg/torture/pr36373-9.c: Likewise.
	* gcc.dg/torture/pr36373-10.c: Likewise.
	* gcc.dg/torture/pr36400.c: Likewise.
	* gcc.c-torture/execute/pta-field-1.c: Likewise.
	* gcc.c-torture/execute/pta-field-2.c: Likewise.
	* gcc.dg/tree-ssa/loadpre8.c: Remove XFAIL.
	* gcc.dg/tree-ssa/pr24287.c: XFAIL.

From-SVN: r137197
2008-06-27 18:53:43 +00:00
Richard Guenther
b377855627 re PR tree-optimization/36345 (TBAA-pruning of points-to sets ineffective)
2008-06-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36345
	* tree-flow.h (struct ptr_info_def): Align escape_mask,
	add memory_tag_needed flag.
	(may_alias_p): Declare.
	* tree-ssa-alias.c (may_alias_p): Export.
	(set_initial_properties): Use memory_tag_needed flag.
	(update_reference_counts): Likewise.
	(reset_alias_info): Reset memory_tag_needed flag.
	(create_name_tags): Check memory_tag_needed flag.
	(dump_points_to_info_for): Dump it.
	* tree-ssa-structalias.c (struct variable_info): Remove
	directly_dereferenced flag.
	(new_var_info): Do not initialize it.
	(process_constraint_1): Do not set it.
	(update_alias_info): Set is_dereferenced flag.
	(set_uids_in_ptset): Use may_alias_p.
	(set_used_smts): Check memory_tag_needed flag.
	(find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
	* tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
	memory_tag_needed flag.
	* tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
	from broken design.

	* gcc.c-torture/execute/20020619-1.c: Remove broken part of
	the testcase.

From-SVN: r136695
2008-06-12 10:21:45 +00:00
Richard Guenther
fd73537b31 tree-flow.h (may_point_to_global_var): Declare.
2008-06-11  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (may_point_to_global_var): Declare.
	* tree-ssa-alias.c (may_point_to_global_var): New function.
	* tree-ssa-sink.c (is_hidden_global_store): Use it.

From-SVN: r136657
2008-06-11 09:22:27 +00:00
Richard Guenther
2f571334ff re PR tree-optimization/36343 (Wrong code due to bad TBAA pruning of points-to-sets and use in call clobbering)
2008-05-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36343
	PR tree-optimization/36346
	PR tree-optimization/36347
	* tree-flow.h (clobber_what_p_points_to): Declare.
	* tree-ssa-structalias.c (set_uids_in_ptset): Whether the
	pointed-to variable is dereferenced is irrelevant to whether
	the pointer can access the pointed-to variable.
	(clobber_what_p_points_to): New function.
	* tree-ssa-alias.c (set_initial_properties): Use it.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
	call clobber check for NMTs.

	* gcc.c-torture/execute/pr36343.c: New testcase.

From-SVN: r136152
2008-05-29 10:31:58 +00:00
Richard Guenther
540f6bda99 re PR tree-optimization/36291 (GCC is slow and memory-hungry building sipQtGuipart.cpp)
2008-05-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36291
	* tree-flow. h (struct gimple_df): Remove var_anns member.
	* tree-flow-inline.h (gimple_var_anns): Remove.
	(var_ann): Simplify.
	* tree-dfa.c (create_var_ann): Simplify.
	(remove_referenced_var): Clear alias info from var_anns of globals.
	* tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
	(delete_tree_ssa): Clear alias info from var_anns of globals.
	Do not free var_anns.
	(var_ann_eq): Remove.
	(var_ann_hash): Likewise.

From-SVN: r136095
2008-05-28 13:54:05 +00:00
Kenneth Zadeck
908ff6a3eb tree-ssa-dse (max_stmt_uid): Removed.
2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* tree-ssa-dse (max_stmt_uid): Removed.
	(get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
	tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
	* tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
	* function.h (cfun.last_stmt_uid): New field.
	* tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
	gimple_stmt_max_uid, set_gimple_stmt_max_uid, 
	inc_gimple_stmt_max_uid): New functions.
	* tree-dfa.c (renumber_gimple_stmt_uids): New function.
	(create_stmt_ann): Initialize the ann->uid field.
	* tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
	with new calls.
	* tree-flow.h (renumber_gimple_stmt_uids): New function.

From-SVN: r135419
2008-05-16 09:38:13 -04:00
Diego Novillo
5db9ba0c38 tree.h (init_phinodes, [...]): Move ...
2008-05-13  Diego Novillo  <dnovillo@google.com>
	    Kenneth Zadeck  <zadeck@naturalbridge.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html

	* tree.h (init_phinodes, fini_phinodes, release_phi_node,
	phinodes_print_statistics, init_ssanames, fini_ssanames,
	make_ssa_name, duplicate_ssa_name,
	duplicate_ssa_name_ptr_info, release_ssa_name,
	release_defs, replace_ssa_name_symbol,
	ssanames_print_statistics): Move ...
	* tree-flow.h: ... here.
	* tree-ssanames.c (init_ssanames): Add arguments FN and
	SIZE.  Use FN instead of cfun.
	(make_ssa_name_fn): Rename from make_ssa_name.
	(pass_release_ssa_names): Add TODO_dump_func to finish
	flags.
	* tree-flow-inline.h (make_ssa_name): Move from
	tree-ssanames.c.  Convert to static inline.  Call
	make_ssa_name_fn.
	* omp-low.c (expand_omp_parallel):
	* tree-flow-inline.h (redirect_edge_var_map_result):
	* tree-ssa.c (init_tree_ssa): Add argument FN.  Use it
	instead of cfun.
	Update all users.



Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>

From-SVN: r135270
2008-05-13 14:24:33 -04:00
Richard Guenther
31de5b771a tree-flow-inline.h (var_can_have_subvars): Move ...
2008-05-08  Richard Guenther  <rguenther@suse.de>

	* tree-flow-inline.h (var_can_have_subvars): Move ...
	* tree-ssa-structalias.c (var_can_have_subvars): ... here.
	* tree-flow.h (var_can_have_subvars): Remove.
	(push_fields_onto_fieldstack): Remove.
	(sort_fieldstack): Likewise.
	(struct fieldoff): Move ...
	* tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
	alias_set and base_for_components fields.
	(sort_fieldstack): Make static.
	(push_fields_onto_fieldstack): Likewise.  Remove code that
	handles anything but RECORD_TYPEs.  Remove alias_set and
	base_for_components handling.
	(create_variable_info_for): Adjust.

From-SVN: r135110
2008-05-09 09:32:51 +00:00
Richard Guenther
5611cf0bf5 tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
2008-05-08  Richard Guenther  <rguenther@suse.de>

	* tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
	* tree-data-ref.h (struct dr_alias): Remove subvars field.
	(DR_SUBVARS): Remove.
	* tree-dfa.c (dump_subvars_for): Remove.
	(debug_subvars_for): Likewise.
	(dump_variable): Do not dump subvars.
	(remove_referenced_var): Do not remove subvars.
	* tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
	(lookup_subvars_for_var): Remove.
	(get_subvars_for_var): Likewise.
	(get_subvars_at): Likewise.
	(get_first_overlapping_subvar): Likewise.
	(overlap_subvar): Likewise.
	* tree-flow.h (subvar_t): Remove.
	(struct var_ann_d): Remove subvars field.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
	argument.  Remove special handling of SFTs.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(compute_call_clobbered): Likewise.
	(count_mem_refs): Likewise.
	(compute_memory_partitions): Likewise.
	(compute_flow_insensitive_aliasing): Likewise.
	(setup_pointers_and_addressables): Likewise.
	(new_type_alias): Likewise.
	(struct used_part): Remove.
	(used_portions): Likewise.
	(struct used_part_map): Likewise.
	(used_part_map_eq): Likewise.
	(used_part_map_hash): Likewise.
	(free_used_part_map): Likewise.
	(up_lookup): Likewise.
	(up_insert): Likewise.
	(get_or_create_used_part_for): Likewise.
	(create_sft): Likewise.
	(create_overlap_variables_for): Likewise.
	(find_used_portions): Likewise.
	(create_structure_vars): Likewise.
	* tree.def (STRUCT_FIELD_TAG): Remove.
	* tree.h (MTAG_P): Adjust.
	(struct tree_memory_tag): Remove base_for_components and
	unpartitionable flags.
	(struct tree_struct_field_tag): Remove.
	(SFT_PARENT_VAR): Likewise.
	(SFT_OFFSET): Likewise.
	(SFT_SIZE): Likewise.
	(SFT_NONADDRESSABLE_P): Likewise.
	(SFT_ALIAS_SET): Likewise.
	(SFT_UNPARTITIONABLE_P): Likewise.
	(SFT_BASE_FOR_COMPONENTS_P): Likewise.
	(union tree_node): Remove sft field.
	* alias.c (get_alias_set): Remove special handling of SFTs.
	* print-tree.c (print_node): Remove handling of SFTs.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
	* tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
	* tree-predcom.c (set_alias_info): Do not set subvars.
	* tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
	* tree-ssa-operands.c (access_can_touch_variable): Likewise.
	(add_vars_for_offset): Remove.
	(add_virtual_operand): Remove special handling of SFTs.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	(get_modify_stmt_operands): Likewise.
	(get_expr_operands): Likewise.
	(add_to_addressable_set): Likewise.
	* tree-ssa.c (verify_ssa_name): Do not handle SFTs.
	* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
	* tree-vect-transform.c (vect_create_data_ref_ptr): Do not
	set subvars.
	* tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
	(tree_code_size): Remove STRUCT_FIELD_TAG handling.
	(tree_node_structure): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Remove special
	handling of SFTs.
	(find_what_p_points_to): Likewise.

From-SVN: r135077
2008-05-08 09:27:29 +00:00
Aldy Hernandez
c6c6b7aa02 tree-flow.h: Remove prototype for computed_goto_p.
* tree-flow.h: Remove prototype for computed_goto_p.
        * tree-cfg.c (computed_goto_p): Make static.

From-SVN: r135009
2008-05-06 22:16:50 +00:00
Richard Guenther
d6e840eed2 re PR tree-optimization/18754 (unrolling happens too late/SRA does not happen late enough)
2008-04-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/18754
	PR tree-optimization/34223
	* tree-pass.h (pass_complete_unrolli): Declare.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
	loop size before and after unconditionally of UL_NO_GROWTH in effect.
	Rewrite loop into loop closed SSA form if it is not already.
	(tree_unroll_loops_completely): Re-structure to iterate over
	innermost loops with intermediate CFG cleanups.
	Unroll outermost loops only if requested or the code does not grow
	doing so.
	* tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
	loops are available.
	(tree_vectorize): Instead do so here.
	(tree_complete_unroll): Also unroll outermost loops.
	(tree_complete_unroll_inner): New function.
	(gate_tree_complete_unroll_inner): Likewise.
	(pass_complete_unrolli): New pass.
	* tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
	uses outside of the loop.
	(tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
	form if it is available.  
	* tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
	* passes.c (init_optimization_passes): Schedule complete inner
	loop unrolling pass before the first CCP pass after final inlining.

	* gcc.dg/tree-ssa/loop-36.c: New testcase.
	* gcc.dg/tree-ssa/loop-37.c: Likewise.
	* gcc.dg/vect/vect-118.c: Likewise.
	* gcc.dg/Wunreachable-8.c: XFAIL bogus warning.
	* gcc.dg/vect/vect-66.c: Increase loop trip count.
	* gcc.dg/vect/no-section-anchors-vect-66.c: Likewise.
	* gcc.dg/vect/no-section-anchors-vect-69.c: Likewise.
	* gcc.dg/vect/vect-76.c: Likewise.
	* gcc.dg/vect/vect-outer-6.c: Likewise.
	* gcc.dg/vect/vect-outer-1.c: Likewise.
	* gcc.dg/vect/vect-outer-1a.c: Likewise.
	* gcc.dg/vect/vect-11a.c: Likewise.
	* gcc.dg/vect/vect-shift-1.c: Likewise.
	* gcc.target/i386/vectorize1.c: Likewise.

From-SVN: r134730
2008-04-27 16:27:08 +00:00
Antoniu Pop
9f9f72aa49 tree-parloops.c (take_address_of, [...]): Make them work on a region of code delimited by two edges in the CFG.
2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (take_address_of, eliminate_local_variables_1,
	eliminate_local_variables_stmt, eliminate_local_variables,
	separate_decls_in_loop_name, separate_decls_in_loop_stmt,
	separate_decls_in_loop, gen_parallel_loop): Make them work on a region
	of code delimited by two edges in the CFG.
	(separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
	(separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
	(separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
	the case of parallelisation of reductions.
	(expr_invariant_in_region_p): New.

	* tree-flow.h (gather_blocks_in_sese_region): Declared.
	* tree-cfg.c (gather_blocks_in_sese_region): Extern.


Co-Authored-By: Sebastian Pop <sebastian.pop@amd.com>

From-SVN: r134632
2008-04-24 16:23:51 +01:00
Rafael Avila de Espindola
e80d7580e7 tree-flow.h (vrp_evaluate_conditional): Change signature.
2008-04-24  Rafael Espindola  <espindola@google.com>

	* tree-flow.h (vrp_evaluate_conditional): Change signature.
	* tree-ssa-propagate.c (fold_predicate_in): Update call to
	vrp_evaluate_conditional.
	* tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
        (vrp_evaluate_conditional): Split the cond argument.
        (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
        (simplify_stmt_for_jump_threading): Update call to
	vrp_evaluate_conditional.

From-SVN: r134625
2008-04-24 09:48:41 +00:00
Richard Guenther
cf3135aaa1 tree-flow.h (widen_bitfield): Remove declaration.
2008-03-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (widen_bitfield): Remove declaration.
	* tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
	(widen_bitfield): Remove function.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
	code.

From-SVN: r133597
2008-03-26 11:09:43 +00:00