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2012-06-22double-int.c (double_int_multiple_of): New function.Bill Schmidt1-1/+6
2012-06-22 Bill Schmidt <wschmidt@linux.ibm.com> * double-int.c (double_int_multiple_of): New function. * double-int.h (double_int_multiple_of): New decl. * tree-ssa-loop-ivopts.c (add_cost, zero_cost): Remove undefs. (mbc_entry_hash): New forward decl. (mbc_entry_eq): Likewise. (zero_cost): Change to no_cost. (mult_costs): New static var. (cost_tables_exist): Likewise. (initialize_costs): New function. (finalize_costs): Likewise. (tree_ssa_iv_optimize_init): Call initialize_costs. (add_cost): Change to add_regs_cost; distinguish costs by speed. (multiply_regs_cost): New function. (add_const_cost): Likewise. (extend_or_trunc_reg_cost): Likewise. (negate_reg_cost): Likewise. (multiply_by_cost): Change to multiply_by_const_cost; distinguish costs by speed. (get_address_cost): Change add_cost to add_regs_cost; change multiply_by_cost to multiply_by_const_cost. (force_expr_to_var_cost): Change zero_cost to no_cost; change add_cost to add_regs_cost; change multiply_by_cost to multiply_by_const_cost. (split_cost): Change zero_cost to no_cost. (ptr_difference_cost): Likewise. (difference_cost): Change zero_cost to no_cost; change multiply_by_cost to multiply_by_const_cost. (get_computation_cost_at): Change add_cost to add_regs_cost; change multiply_by_cost to multiply_by_const_cost. (determine_use_iv_cost_generic): Change zero_cost to no_cost. (determine_iv_cost): Change add_cost to add_regs_cost. (iv_ca_new): Change zero_cost to no_cost. (tree_ssa_iv_optimize_finalize): Call finalize_costs. * tree-ssa-address.c (most_expensive_mult_to_index): Change multiply_by_cost to multiply_by_const_cost. * tree-flow.h (multiply_by_cost): Change to multiply_by_const_cost. (add_regs_cost): New decl. (multiply_regs_cost): Likewise. (add_const_cost): Likewise. (extend_or_trunc_reg_cost): Likewise. (negate_reg_cost): Likewise. From-SVN: r188891
2012-06-22[multiple changes]Richard Guenther1-0/+3
2012-06-22 Richard Guenther <rguenther@suse.de> Merge from graphite branch 2011-08-10 Sebastian Pop <sebpop@gmail.com> * graphite-sese-to-poly.c (build_scop_drs): Fix memory leak. 2012-01-13 Tobias Grosser <tobias@grosser.es> * tree-flow.h (parallelized_function_p): Declare. * tree-parloops.c (parallelized_function_p): Export. * graphite.c (graphite_transform_loops): Do not run graphite on already parallel functions. libgomp/ * testsuite/libgomp.graphite/force-parallel-1.c: Adjust. * testsuite/libgomp.graphite/force-parallel-2.c: Likewise. From-SVN: r188885
2012-06-17cfglayout.h: Remove.Steven Bosscher1-5/+0
2012-06-17 Steven Bosscher <steven@gcc.gnu.org> * cfglayout.h: Remove. * cfglayout.c: Remove. * function.h (struct function): Remove x_last_location field. * function.c: Do not include cfglayout.h. (expand_function_start): Do not call no-op force_next_line_note. (expand_function_end): Likewise. * cfgrtl.c: Do not include cfglayout.h. Include gt-cfgrtl.h. (unlink_insn_chain): Moved here from cfglayout.c. (skip_insns_after_block, label_for_bb, record_effective_endpoints, into_cfg_layout_mode, outof_cfg_layout_mode, pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode, relink_block_chain, fixup_reorder_chain, verify_insn_chain, fixup_fallthru_exit_predecessor, force_one_exit_fallthru, cfg_layout_can_duplicate_bb_p, duplicate_insn_chain, cfg_layout_duplicate_bb, cfg_layout_initialize, break_superblocks, cfg_layout_finalize): Likewise. (rtl_can_remove_branch_p): Likewise. * rtl.h (insn_scope): Move prototype from cfglayout.h here. (duplicate_insn_chain): Likewise. (force_next_line_note): Remove prototype. * emit-rtl.c: Do not include tree-flow.h, egad. Include vecprim.h. (last_location): Remove #define to emit.x_last_location. (force_next_line_note): Remove no-op function. (init_emit): Don't set x_last_location. (block_locators_locs, block_locators_blocks, locations_locators_locs, locations_locators_vals, prologue_locator, epilogue_locator, curr_location, last_location, curr_block, last_block, curr_rtl_loc): Move POD to here from cfglayout.c. (insn_locators_alloc, insn_locators_finalize, insn_locators_free, set_curr_insn_source_location, get_curr_insn_source_location, set_curr_insn_block, get_curr_insn_block, curr_insn_locator, locator_scope, insn_scope, locator_location, locator_line, insn_line, locator_file, insn_file, locator_eq): Move to here from cfglayout.c. * cfghooks.h: Remove double-include protection. (can_copy_bbs_p, copy_bbs): Move prototypes from cfglayout.h to here. * cfghooks.c (can_copy_bbs_p, copy_bbs): Move to here from cfglayout.c. * final.c: Do not include cfglayout.h. (choose_inner_scope, change_scope): Move to here from cfglayout.c. (reemit_insn_block_notes): Likewise. Make static. * tree-flow.h (tree_could_trap_p, operation_could_trap_helper_p, operation_could_trap_p, tree_could_throw_p): Move from here... * tree.h: ... to here. * gengtype.c (open_base_files): Remove cfglayout.h from the list. * profile.c: Do not include cfghooks.h. * cfgloopmanip.c: Do not include cfglayout.h and cfghooks.h. * modulo-sched.c: Likewise. * loop-unswitch.c: Do not include cfglayout.h. * sched-ebb.c: Likewise. * tracer.c: Likewise. * ddg.c: Likewise. * tree-vect-loop-manip.c: Likewise. * loop-init.c: Likewise. * dwarf2out.c: Likewise. * hw-doloop.c: Likewise. * loop-unroll.c: Likewise. * cfgcleanup.c: Likewise. * bb-reorder.c: Likewise. * sched-rgn.c: Likewise. * tree-cfg.c: Likewise. * config/alpha/alpha.c: Likewise. * config/spu/spu.c: Likewise. * config/sparc/sparc.c: Likewise. * config/sh/sh.c: Likewise. * config/c6x/c6x.c: Likewise. * config/ia64/ia64.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/score/score.c: Likewise. * config/mips/mips.c: Likewise. * config/bfin/bfin.c: Likewise. * Makefile.in (CFGAYOUT_H): Remove, and fixup users. * config/rs6000/t-rs6000 (rs6000.o): Do not depend on cfglayout.h. * config/spu/t-spu-elf (spu.o: $): Likewise. * config/sparc/t-sparc (sparc.o): Do not depend on CFGLAYOUT_H. From-SVN: r188712
2012-05-24tree-flow.h (create_var_ann): Remove.Richard Guenther1-1/+0
2012-05-24 Richard Guenther <rguenther@suse.de> * tree-flow.h (create_var_ann): Remove. * tree-dfa.c (create_var_ann): Remove and inline into its single caller ... (add_referenced_var_1): ... here. * varpool.c (add_new_static_var): Do not call add_referenced_var for global vars. * gimple-fold.c (canonicalize_constructor_val): Likewise. * tree-switch-conversion.c (build_one_array): Likewise. * tree-profile.c (gimple_gen_ic_profiler): Likewise. * tree-flow-inline.h (gimple_referenced_vars): Guard against NULL fn argument. * tree-inline.c (remap_gimple_op_r): Likewise. Check gimple_referenced_vars instead of gimple_in_ssa_p. (copy_tree_body_r): Likewise. (setup_one_parameter): Likewise. (declare_return_variable): Likewise. (tree_function_versioning): Likewise. From-SVN: r187829
2012-05-22tree-flow.h (add_referenced_var_1): Declare.Richard Guenther1-1/+2
2012-05-22 Richard Guenther <rguenther@suse.de> * tree-flow.h (add_referenced_var_1): Declare. (add_referenced_var): Define. * tree-dfa.c (referenced_var_check_and_insert): Avoid one hash lookup. (add_referenced_var): Rename to ... (add_referenced_var_1): ... this. Take struct function argument. From-SVN: r187766
2012-05-18tree-flow.h (mark_symbols_for_renaming): Remove.Richard Guenther1-1/+0
2012-05-18 Richard Guenther <rguenther@suse.de> * tree-flow.h (mark_symbols_for_renaming): Remove. * tree-dfa.c (mark_symbols_for_renaming): Likewise. * tree-inline.c (copy_edges_for_bb): Do not mark symbols for renaming. (copy_debug_stmt): Likewise. (expand_call_inline): Likewise. (declare_return_variable): Mark the return variable for renaming if necessary. From-SVN: r187650
2012-05-16tree-flow.h (get_virtual_var): Remove.Richard Guenther1-1/+0
2012-05-16 Richard Guenther <rguenther@suse.de> * tree-flow.h (get_virtual_var): Remove. * tree-dfa.c (get_virtual_var): Likewise. From-SVN: r187592
2012-05-16tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Remove set-only ↵Richard Guenther1-1/+0
bitmap of new names. 2012-05-16 Richard Guenther <rguenther@suse.de> * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Remove set-only bitmap of new names. (slpeel_tree_peel_loop_to_edge): Likewise. Do not set CFG hooks. * tree-flow.h (ssa_names_to_replace): Remove. * tree-into-ssa.c (ssa_names_to_replace): Likewise. From-SVN: r187591
2012-05-11tree-flow.h (referenced_var_check_and_insert): Remove.Richard Guenther1-2/+0
2012-05-11 Richard Guenther <rguenther@suse.de> * tree-flow.h (referenced_var_check_and_insert): Remove. (find_new_referenced_vars): Likewise. * tree-dfa.c (referenced_var_check_and_insert): Make static. (find_new_referenced_vars_1, find_new_referenced_vars): Remove. * tree-inline.c (copy_bb): Use find_referenced_vars_in instead of find_new_referenced_vars. * gimple-fold.c (gimplify_and_update_call_from_tree): Likewise. From-SVN: r187408
2012-05-11tree-pass.h (pass_rest_of_compilation, [...]): Remove.Richard Guenther1-2/+0
2012-05-11 Richard Guenther <rguenther@suse.de> * tree-pass.h (pass_rest_of_compilation, pass_all_optimizations, pass_postreload, pass_all_early_optimizations): Remove. * passes.c (pass_all_optimizations, pass_postreload, pass_all_early_optimizations): Make static. (pass_rest_of_compilation): Likewise. Make it an RTL_PASS. * tree-phinodes.c (init_phinodes, fini_phinodes): Remove. * tree-ssa.c (init_tree_ssa): Do not call init_phinodes. (delete_tree_ssa): Do not call fini_phinodes. * tree-flow.h (init_phinodes, fini_phinodes): Remove. From-SVN: r187407
2012-05-03builtins.c (get_object_alignment_1): Return whether we can determine the ↵Martin Jambor1-4/+16
alignment or conservatively assume byte... 2012-05-03 Martin Jambor <mjambor@suse.cz> * builtins.c (get_object_alignment_1): Return whether we can determine the alignment or conservatively assume byte alignment. Return the alignment by reference. Use get_pointer_alignment_1 for dereference alignment. (get_pointer_alignment_1): Return whether we can determine the alignment or conservatively assume byte alignment. Return the alignment by reference. Use get_ptr_info_alignment to get SSA name alignment. (get_object_alignment): Update call to get_object_alignment_1. (get_object_or_type_alignment): Likewise, fall back to type alignment only when it returned false. (get_pointer_alignment): Update call to get_pointer_alignment_1. * fold-const.c (get_pointer_modulus_and_residue): Update call to get_object_alignment_1. * ipa-prop.c (ipa_modify_call_arguments): Update call to get_pointer_alignment_1. * tree-sra.c (build_ref_for_offset): Likewise, fall back to the type of MEM_REF or TARGET_MEM_REF only when it returns false. * tree-ssa-ccp.c (get_value_from_alignment): Update call to get_object_alignment_1. (ccp_finalize): Use set_ptr_info_alignment. * tree.h (get_object_alignment_1): Update declaration. (get_pointer_alignment_1): Likewise. * gimple-pretty-print.c (dump_gimple_phi): Use get_ptr_info_alignment. (dump_gimple_stmt): Likewise. * tree-flow.h (ptr_info_def): Updated comments of fields align and misalign. (get_ptr_info_alignment): Declared. (mark_ptr_info_alignment_unknown): Likewise. (set_ptr_info_alignment): Likewise. (adjust_ptr_info_misalignment): Likewise. * tree-ssa-address.c (copy_ref_info): Use new access functions to get and set alignment of SSA names. * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Call mark_ptr_info_alignment_unknown. * tree-ssanames.c (get_ptr_info_alignment): New function. (mark_ptr_info_alignment_unknown): Likewise. (set_ptr_info_alignment): Likewise. (adjust_ptr_info_misalignment): Likewise. (get_ptr_info): Call mark_ptr_info_alignment_unknown. * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Likewise. (bump_vector_ptr): Likewise. * tree-vect-stmts.c (create_array_ref): Use set_ptr_info_alignment. (vectorizable_store): Likewise. (vectorizable_load): Likewise. From-SVN: r187101
2012-04-27tree-flow.h (is_hidden_global_store): Remove.Richard Guenther1-3/+0
2012-04-27 Richard Guenther <rguenther@suse.de> * tree-flow.h (is_hidden_global_store): Remove. * tree-ssa-sink.c (is_hidden_global_store): Likewise. * tree-ssa-alias.h (ref_may_alias_global_p): Declare. (stmt_may_clobber_global_p): Likewise. * tree-ssa-alias.c (ref_may_alias_global_p): New function. (stmt_may_clobber_global_p): Likewise. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Call stmt_may_clobber_global_p. * tree-ssa-dse.c (dse_possible_dead_store_p): Likewise. From-SVN: r186903
2012-04-18cfgloop.h (estimate_numbers_of_iterations_loop): Remove use_undefined_p ↵Richard Guenther1-1/+1
parameter. 2012-04-18 Richard Guenther <rguenther@suse.de> * cfgloop.h (estimate_numbers_of_iterations_loop): Remove use_undefined_p parameter. * tree-flow.h (estimate_numbers_of_iterations): Likewise. * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Likewise. (estimate_numbers_of_iterations): Likewise. (estimated_loop_iterations): Adjust. (max_loop_iterations): Likewise. (scev_probably_wraps_p): Likewise. * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise. * tree-vrp.c (adjust_range_with_scev): Use max_stmt_executions, not max_loop_iterations. (execute_vrp): Remove explicit number of iterations estimation. From-SVN: r186562
2012-04-17tree-flow.h (array_at_struct_end_p): Move declaration ...Richard Guenther1-1/+0
2012-04-17 Richard Guenther <rguenther@suse.de> * tree-flow.h (array_at_struct_end_p): Move declaration ... * tree.h (array_at_struct_end_p): ... here. * tree-ssa-loop-niter.c (array_at_struct_end_p): Move ... * expr.c (array_at_struct_end_p): ... here. Rewrite. From-SVN: r186527
2012-04-12Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency.Richard Guenther1-1/+0
2012-04-12 Richard Guenther <rguenther@suse.de> * Makefile.in (cgraphunit.o): Add $(EXCEPT_H) dependency. * cgraph.h (tree_rest_of_compilation): Remove. * cgraph.c (cgraph_add_new_function): Move ... * cgraphunit.c (cgraph_add_new_function): ... here. (tree_rest_of_compilation): Make static. (cgraph_expand_function): Do not set cgraph_function_flags_ready. * tree-optimize.c (gate_all_optimizations, pass_all_optimizations, gate_all_early_local_passes, execute_all_early_local_passes, pass_early_local_passes, gate_all_early_optimizations, pass_all_early_optimizations): Move ... * passes.c (gate_all_optimizations, pass_all_optimizations, gate_all_early_local_passes, execute_all_early_local_passes, pass_early_local_passes, gate_all_early_optimizations, pass_all_early_optimizations): ... here. * tree-optimize.c (execute_free_datastructures): Remove. * tree-flow.h (execute_free_datastructures): Remove. * tree-optimize.c (execute_init_datastructures, pass_init_datastructures): Move ... * tree-ssa.c (execute_init_datastructures, pass_init_datastructures): ... here. * cfgexpand.c (gimple_expand_cfg): Inline-expand call to execute_free_datastructures. From-SVN: r186381
2012-03-29tree-flow.h (struct pre_expr_d): Remove forward declaration.Richard Guenther1-3/+0
2012-03-29 Richard Guenther <rguenther@suse.de> * tree-flow.h (struct pre_expr_d): Remove forward declaration. (add_to_value): Remove. (print_value_expressions): Likewise. * tree-ssa-pre.c (add_to_value): Make static. (print_value_expressions): Likewise. * gimple.h (gimple_adjust_this_by_delta): Remove. * gimple-fold.c (gimple_adjust_this_by_delta): Likewise. From-SVN: r185956
2012-02-24tree-phinodes.c (make_phi_node): Mark static.Bernhard Reutner-Fischer1-1/+0
2012-02-23 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> * tree-phinodes.c (make_phi_node): Mark static. * tree-flow.h (make_phi_node): Remove extern decl. * doc/gimple.texi (make_phi_node): Remove documentation. From-SVN: r184545
2012-02-08re PR tree-optimization/46886 (wrong code with -ftree-parallelize-loops ↵Richard Guenther1-0/+3
-fno-tree-ch) 2012-03-08 Richard Guenther <rguenther@suse.de> PR tree-optimization/46886 * tree-flow.h (do_while_loop_p): Declare. * tree-ssa-loop-ch.c (do_while_loop_p): Export. * tree-parloops.c (parallelize_loops): Only parallelize do-while loops. * testsuite/libgomp.c/pr46886.c: New testcase. From-SVN: r184010
2011-11-28re PR tree-optimization/50682 (ICE: SIGSEGV in main_block_label with -O2 ↵Jakub Jelinek1-0/+1
-fnon-call-exceptions -ftracer) PR tree-optimization/50682 * tree-eh.c (maybe_remove_unreachable_handlers): New function. * tree-flow.h (maybe_remove_unreachable_handlers): New prototype. * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it. * g++.dg/opt/pr50682.C: New test. From-SVN: r181785
2011-11-08Merge from transactional-memory branch.Aldy Hernandez1-0/+12
From-SVN: r181154
2011-10-18re PR tree-optimization/50672 (ice: verify_ssa failed: no immediate_use list)Tom de Vries1-0/+1
2011-10-18 Tom de Vries <tom@codesourcery.com> PR tree-optimization/50672 * tree-ssa-dce.c (mark_virtual_operand_for_renaming): New function, factored out of ... (mark_virtual_phi_result_for_renaming): Use mark_virtual_operand_for_renaming. * tree-flow.h (mark_virtual_operand_for_renaming): Declare. * tree-ssa-tail-merge.c (release_last_vdef): New function. (purge_bbs): Add update_vops parameter. Call release_last_vdef for each deleted basic block. (tail_merge_optimize): Add argument to call to purge_bbs. From-SVN: r180126
2011-10-06tree-flow.h (get_var_ann): Don't declare.Michael Matz1-1/+0
* tree-flow.h (get_var_ann): Don't declare. * tree-flow-inline.h (get_var_ann): Remove. (set_is_used): Use var_ann, not get_var_ann. * tree-dfa.c (add_referenced_var): Inline body of get_var_ann. * tree-profile.c (gimple_gen_edge_profiler): Call find_referenced_var_in. (gimple_gen_interval_profiler): Ditto. (gimple_gen_pow2_profiler): Ditto. (gimple_gen_one_value_profiler): Ditto. (gimple_gen_average_profiler): Ditto. (gimple_gen_ior_profiler): Ditto. (gimple_gen_ic_profiler): Ditto plus call add_referenced_var. (gimple_gen_ic_func_profiler): Call add_referenced_var. * tree-mudflap.c (execute_mudflap_function_ops): Call add_referenced_var. From-SVN: r179618
2011-09-07re PR tree-optimization/50213 (Regression in space-optimized code relative ↵Richard Guenther1-0/+1
to 4.5.x) 2011-09-07 Richard Guenther <rguenther@suse.de> PR tree-optimization/50213 * tree-flow.h (simple_iv_increment_p): Declare. * tree-ssa-dom.c (simple_iv_increment_p): Export. Also handle POINTER_PLUS_EXPR. * tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Do not propagate simple IV counter increments. From-SVN: r178633
2011-08-11re PR middle-end/50040 (missed warning: ‘x.y’ is used uninitialized in ↵Richard Guenther1-1/+1
this function) 2011-08-11 Richard Guenther <rguenther@suse.de> PR middle-end/50040 * gimplify.c (gimplify_modify_expr_complex_part): Mark the load of the other piece with TREE_NO_WARNING. * tree-flow.h (warn_uninit): Adjust prototype. * tree-ssa.c (warn_uninit): Take uninitialized SSA name, the base variable and the expression that is used separately. Properly query all TREE_NO_WARNING flags. (struct walk_data): Remove. (warn_uninitialized_var): Likewise. (warn_uninitialized_vars): Do not walk gimple pieces but simply look at all SSA uses of the statement. Handle unused memory separately. * tree-ssa-uninit.c (warn_uninitialized_phi): Adjust. * g++.dg/warn/unit-1.C: Un-XFAIL. * gcc.dg/uninit-I.c: Likewise. From-SVN: r177667
2011-07-25tree-flow.h (tree_ssa_loop_version): Remove unused declaration.Roman Zhuykov1-2/+0
2011-07-25 Roman Zhuykov <zhroma@ispras.ru> * tree-flow.h (tree_ssa_loop_version): Remove unused declaration. From-SVN: r176737
2011-06-16tree-ssa-threadupdate.c (struct redirection_data): New field intermediate_edge.Jeff Law1-1/+1
* tree-ssa-threadupdate.c (struct redirection_data): New field intermediate_edge. (THREAD_TARGET2): Define. (redirection_data_eq): Also check that the intermediate edge is equal. (lookup_redirection_data): Drop useless argument. Extract the outgoing_edge and intermediate edge from E. Callers updated. (copy_phi_args, update_destination_phis): New functions. (fix_duplicate_block_edges): Likewise. (create_edge_and_update_destination_phis): Duplicate all the edges hung off e->aux. Use copy_phi_args. (create_duplicates): Use fix_duplicate_block_edges. (fixup_template_block): Likewise. (redirect_edges): If necessary, redirect the joiner block's incoming edge to the duplicate of the joiner block. (thread_block): Don't muck up loops when threading through a joiner block. (thread_through_loop_header): Handle threading through a joiner block. (mark_threaded_blocks, register_jump_thread): Likewise. * tree-flow.h (register_jump_thread): Add new argument. Callers updated. * tree-ssa-threadedge.c (phi_args_equal_on_edges): New function. (thread_across_edge): Handle threading through a joiner block. * gcc.dg/builtin-object-size-1.c: Update to handle changes from improved jump threading. * gcc.dg/builtin-object-size-2.c: Likewise. * gcc.dg/tree-ssa/20030728-1.c: Likewise. From-SVN: r175114
2011-05-11re PR debug/48159 (ICE: SIGSEGV in build2_stat (tree.c:3802) with ↵Jakub Jelinek1-0/+1
-ftree-loop-distribution -g) PR debug/48159 * tree-ssa.c (reset_debug_uses): New function. * tree-flow.h (reset_debug_uses): New prototype. * tree-data-ref.c (stmts_from_loop): Ignore debug stmts. * tree-loop-distribution.c (generate_loops_for_partition): Call reset_debug_uses on the stmts that will be removed. Keep around all debug stmts, don't count them as bits in partition bitmap. (generate_builtin): Don't count debug stmts or labels as bits in partition bitmap. * gcc.dg/pr48159-1.c: New test. * gcc.dg/pr48159-2.c: New test. From-SVN: r173656
2011-04-27Makefile.in (tree-ssa-structalias.o): Remove gt-tree-ssa-structalias.h ↵Richard Guenther1-4/+0
dependency. 2011-04-27 Richard Guenther <rguenther@suse.de> * Makefile.in (tree-ssa-structalias.o): Remove gt-tree-ssa-structalias.h dependency. (GTFILES): Remove tree-ssa-structalias.c. * tree.c (allocate_decl_uid): New function. (make_node_stat): Use it. (copy_node_stat): Likewise. * tree.h (allocate_decl_uid): Declare. * tree-ssa-alias.h (delete_alias_heapvars): Remove. * tree-ssa.c (delete_tree_ssa): Do not call delete_alias_heapvars. * tree-flow.h (struct var_ann_d): Remove is_heapvar flag. * tree-ssa-live.c (remove_unused_locals): Do not check is_heapvar flag. * tree-ssa-structalias.c (heapvar_for_stmt): Remove. (struct heapvar_map): Likewise. (heapvar_map_eq, heapvar_map_hash, heapvar_lookup, heapvar_insert): Likewise. (make_heapvar_for): Rename to ... (make_heapvar): ... this. Simplify. (fake_var_decl_obstack): New global var. (build_fake_var_decl): New function. (make_constraint_from_heapvar): Adjust. (handle_lhs_call): Likewise. (create_function_info_for): Likewise. (intra_create_variable_infos): Likewise. (init_alias_vars): Allocate fake_var_decl_obstack. (init_alias_heapvars, delete_alias_heapvars): Remove. (compute_points_to_sets): Do not call init_alias_heapvars. (ipa_pta_execute): Likewise. (delete_points_to_sets): Free fake_var_decl_obstack. * gcc.dg/tree-ssa/pr23382.c: Remove. From-SVN: r173030
2011-04-26Implement -Wno-maybe-uninitializedXinliang David Li1-1/+1
From-SVN: r172978
2011-04-13tree-flow.h (struct gimple_df): Make free_ssanames a VEC.Nathan Froyd1-1/+1
* tree-flow.h (struct gimple_df): Make free_ssanames a VEC. * tree-ssanames.c (fini_ssanames): VEC_free it. (make_ssa_name_fn): Update for VECness of free_ssanames. (release_ssa_name, release_dead_ssa_names): Likewise. * tree.h (struct tree_ssa_name): Include tree_typed instead of tree_common. * tree.c (initialize_tree_contains_struct): Mark TS_SSA_NAME as TS_TYPED instead of TS_COMMON. From-SVN: r172393
2011-04-11sanity check ic targetXinliang David Li1-1/+1
From-SVN: r172276
2011-03-25tree-flow.h (verify_stmts): Rename to verify_gimple_in_cfg.Richard Guenther1-3/+2
2011-03-25 Richard Guenther <rguenther@suse.de> * tree-flow.h (verify_stmts): Rename to verify_gimple_in_cfg. (verify_types_in_gimple_seq): Rename to verify_gimple_in_seq. (verify_gimple): Remove. * tree-cfg.c (verify_gimple_call): Merge verification from verify_stmts. (verify_gimple_phi): Merge verification from verify_stmts. (verify_gimple_label): New function. (verify_types_in_gimple_seq_2): Rename to verify_gimple_in_seq_2. (verify_types_in_gimple_seq): Rename to verify_gimple_in_seq. (verify_stmt): Merge into verify_gimple_in_cfg and callees. (verify_stmts): Rename to verify_gimple_in_cfg. (verify_gimple_in_cfg): New function. * passes.c (execute_function_todo): Call verify_gimple_in_cfg. * tree-ssa.c (verify_ssa): Likewise. * gimplify.c (gimplify_body): Call verify_gimple_in_seq. From-SVN: r171453
2011-03-24re PR tree-optimization/46562 (CCP currently needs iteration for &a[i])Richard Guenther1-0/+1
2011-03-24 Richard Guenther <rguenther@suse.de> PR tree-optimization/46562 * tree.c (build_invariant_address): New function. * tree.h (build_invariant_address): Declare. * tree-dfa.c (get_addr_base_and_unit_offset): Wrap around a renamed function moved ... * tree-flow-inline.h (get_addr_base_and_unit_offset_1): ... here. Take valueization callback parameter. * tree-flow.h (gimple_fold_stmt_to_constant): Declare. * gimple-fold.h: New file. * tree-ssa-ccp.c (ccp_fold): Use gimple_fold_stmt_to_constant_1. (ccp_fold, fold_const_aggregate_ref, fold_ctor_reference, fold_nonarray_ctor_reference, fold_array_ctor_reference, fold_string_cst_ctor_reference, get_base_constructor): Move ... * gimple-fold.c: ... here. (gimple_fold_stmt_to_constant_1): New function split out from ccp_fold. Take a valueization callback parameter. Valueize all operands. (gimple_fold_stmt_to_constant): New wrapper function. (fold_const_aggregate_ref_1): New function split out from fold_const_aggregate_ref. Take a valueization callback parameter. (fold_const_aggregate_ref): Wrap fold_const_aggregate_ref_1. * tree-ssa-sccvn.c (simplify_binary_expression): Simplify invariant POINTER_PLUS_EXPRs to invariant form. (vn_valueize): New function. (try_to_simplify): Simplify by using gimple_fold_stmt_to_constant. * tree-vrp.c (vrp_valueize): New function. (vrp_visit_assignment_or_call): Use gimple_fold_stmt_to_constant to fold statements to constants. * tree-ssa-pre.c (eliminate): Properly guard propagation of function declarations. * Makefile.in (tree-ssa-sccvn.o, tree-vrp.o, gimple-fold.o, tree-ssa-ccp.o): Add gimple-fold.h dependencies. * c-c++-common/pr46562-2.c: New testcase. * c-c++-common/pr46562.c: Likewise. From-SVN: r171386
2011-02-15re PR debug/47106 (-fcompare-debug failure (length) with -fpartial-inlining ↵Alexandre Oliva1-3/+3
-flto -fconserve-stack) PR debug/47106 PR debug/47402 * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument. Adjust all users. Pass FN to... * tree-flow-inline.h (first_referenced_var): ... this. Add fn argument. * ipa-struct-reorg.c: Adjust. * tree-dfa.c: Adjust. * tree-into-ssa.c: Adjust. * tree-sra.c: Adjust. * tree-ssa-alias.c: Adjust. * tree-ssa-live.c: Adjust. * tree-ssa.c: Adjust. * tree-ssanames.c: Adjust. * tree-tailcall.c: Adjust. From-SVN: r170186
2011-02-15re PR debug/47106 (-fcompare-debug failure (length) with -fpartial-inlining ↵Alexandre Oliva1-1/+1
-flto -fconserve-stack) PR debug/47106 PR debug/47402 * tree-flow.h (referenced_var_lookup): Add fn parameter. Adjust all callers. * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun. * tree-flow-inline.h: Adjust. * gimple-pretty-print.c: Adjust. * tree-into-ssa.c: Adjust. * tree-ssa.c: Adjust. * cfgexpand.c: Adjust. From-SVN: r170185
2011-02-04re PR inline-asm/23200 (rejects "i"(&var + 1))Jakub Jelinek1-1/+4
PR inline-asm/23200 * tree-ssa-ter.c (is_replaceable_p): Add TER argument. Don't do bb, locus and block comparison and disallow loads if it is not set. (stmt_is_replaceable_p): New function. (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p callers. * expr.c (expand_expr_real_1) <case SSA_NAME>: If get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use SSA_NAME_DEF_STMT. * tree-flow.h (stmt_is_replaceable_p): New prototype. * gcc.dg/pr23200.c: New test. From-SVN: r169831
2011-01-25Remove the lambda framework and make -ftree-loop-linear an alias of ↵Sebastian Pop1-2/+0
-floop-interchange. 2011-01-17 Sebastian Pop <sebastian.pop@amd.com> toplev/ * MAINTAINERS (linear loop transforms): Removed. toplev/gcc/ * Makefile.in (LAMBDA_H): Removed. (TREE_DATA_REF_H): Remove dependence on LAMBDA_H. (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o, lambda-trans.o, and tree-loop-linear.o. (lto-symtab.o): Remove dependence on LAMBDA_H. (tree-loop-linear.o): Remove rule. (lambda-mat.o): Same. (lambda-trans.o): Same. (lambda-code.o): Same. (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H. (tree-vect-slp.o): Same. * hwint.h (gcd): Moved here. (least_common_multiple): Same. * lambda-code.c: Removed. * lambda-mat.c: Removed. * lambda-trans.c: Removed. * lambda.h: Removed. * tree-loop-linear.c: Removed. * lto-symtab.c: Do not include lambda.h. * omega.c (gcd): Removed. * passes.c (init_optimization_passes): Remove pass_linear_transform. * tree-data-ref.c (print_lambda_vector): Moved here. (lambda_vector_copy): Same. (lambda_matrix_copy): Same. (lambda_matrix_id): Same. (lambda_vector_first_nz): Same. (lambda_matrix_row_add): Same. (lambda_matrix_row_exchange): Same. (lambda_vector_mult_const): Same. (lambda_vector_negate): Same. (lambda_matrix_row_negate): Same. (lambda_vector_equal): Same. (lambda_matrix_right_hermite): Same. * tree-data-ref.h: Do not include lambda.h. (lambda_vector): Moved here. (lambda_matrix): Same. (dependence_level): Same. (lambda_transform_legal_p): Removed declaration. (lambda_collect_parameters): Same. (lambda_compute_access_matrices): Same. (lambda_vector_gcd): Same. (lambda_vector_new): Same. (lambda_vector_clear): Same. (lambda_vector_lexico_pos): Same. (lambda_vector_zerop): Same. (lambda_matrix_new): Same. * tree-flow.h (least_common_multiple): Removed declaration. * tree-parloops.c (lambda_trans_matrix): Moved here. (LTM_MATRIX): Same. (LTM_ROWSIZE): Same. (LTM_COLSIZE): Same. (LTM_DENOMINATOR): Same. (lambda_trans_matrix_new): Same. (lambda_matrix_vector_mult): Same. (lambda_transform_legal_p): Same. * tree-pass.h (pass_linear_transform): Removed declaration. * tree-ssa-loop.c (tree_linear_transform): Removed. (gate_tree_linear_transform): Removed. (pass_linear_transform): Removed. (gate_graphite_transforms): Make flag_tree_loop_linear an alias of flag_loop_interchange. toplev/gcc/testsuite/ * gfortran.dg/graphite/interchange-4.f: New. * gfortran.dg/graphite/interchange-5.f: New. * gcc.dg/tree-ssa/ltrans-1.c: Removed. * gcc.dg/tree-ssa/ltrans-2.c: Removed. * gcc.dg/tree-ssa/ltrans-3.c: Removed. * gcc.dg/tree-ssa/ltrans-4.c: Removed. * gcc.dg/tree-ssa/ltrans-5.c: Removed. * gcc.dg/tree-ssa/ltrans-6.c: Removed. * gcc.dg/tree-ssa/ltrans-8.c: Removed. * gfortran.dg/ltrans-7.f90: Removed. * gcc.dg/tree-ssa/data-dep-1.c: Removed. * gcc.dg/pr18792.c: -> gcc.dg/graphite/pr18792.c * gcc.dg/pr19910.c: -> gcc.dg/graphite/pr19910.c * gcc.dg/tree-ssa/20041110-1.c: -> gcc.dg/graphite/pr20041110-1.c * gcc.dg/tree-ssa/pr20256.c: -> gcc.dg/graphite/pr20256.c * gcc.dg/pr23625.c: -> gcc.dg/graphite/pr23625.c * gcc.dg/tree-ssa/pr23820.c: -> gcc.dg/graphite/pr23820.c * gcc.dg/tree-ssa/pr24309.c: -> gcc.dg/graphite/pr24309.c * gcc.dg/tree-ssa/pr26435.c: -> gcc.dg/graphite/pr26435.c * gcc.dg/pr29330.c: -> gcc.dg/graphite/pr29330.c * gcc.dg/pr29581-1.c: -> gcc.dg/graphite/pr29581-1.c * gcc.dg/pr29581-2.c: -> gcc.dg/graphite/pr29581-2.c * gcc.dg/pr29581-3.c: -> gcc.dg/graphite/pr29581-3.c * gcc.dg/pr29581-4.c: -> gcc.dg/graphite/pr29581-4.c * gcc.dg/tree-ssa/loop-27.c: -> gcc.dg/graphite/pr30565.c * gcc.dg/tree-ssa/pr31183.c: -> gcc.dg/graphite/pr31183.c * gcc.dg/tree-ssa/pr33576.c: -> gcc.dg/graphite/pr33576.c * gcc.dg/tree-ssa/pr33766.c: -> gcc.dg/graphite/pr33766.c * gcc.dg/pr34016.c: -> gcc.dg/graphite/pr34016.c * gcc.dg/tree-ssa/pr34017.c: -> gcc.dg/graphite/pr34017.c * gcc.dg/tree-ssa/pr34123.c: -> gcc.dg/graphite/pr34123.c * gcc.dg/tree-ssa/pr36287.c: -> gcc.dg/graphite/pr36287.c * gcc.dg/tree-ssa/pr37686.c: -> gcc.dg/graphite/pr37686.c * gcc.dg/pr42917.c: -> gcc.dg/graphite/pr42917.c * gfortran.dg/loop_nest_1.f90: -> gfortran.dg/graphite/pr29290.f90 * gfortran.dg/pr29581.f90: -> gfortran.dg/graphite/pr29581.f90 * gfortran.dg/pr36286.f90: -> gfortran.dg/graphite/pr36286.f90 * gfortran.dg/pr36922.f: -> gfortran.dg/graphite/pr36922.f * gfortran.dg/pr39516.f: -> gfortran.dg/graphite/pr39516.f From-SVN: r169251
2010-12-03basic-block.h (struct edge_prediction): Remove forward declaration.Laurynas Biveinis1-10/+0
2010-12-01 Laurynas Biveinis <laurynas.biveinis@gmail.com> * basic-block.h (struct edge_prediction): Remove forward declaration. * tree-flow.h (struct edge_prediction): Move from here... * predict.c (struct edge_prediction): ...to here. * cselib.h (struct elt_list): Move from here... * cselib.c (struct elt_list): ...to here. From-SVN: r167409
2010-12-03tree.h (struct call_expr_arg_iterator_d): Remove GTY tag.Laurynas Biveinis1-4/+3
2010-11-30 Laurynas Biveinis <laurynas.biveinis@gmail.com> * tree.h (struct call_expr_arg_iterator_d): Remove GTY tag. (const_call_expr_arg_iterator_d): Likewise. (expanded_location): Likewise. * c-tree.h (struct c_arg_tag_d): Likewise. * dwarf2out.c (struct cfa_loc): Likewise. (struct skeleton_chain_struct): Likewise. * except.c (struct ttypes_filter): Likewise. * cselib.h (struct cselib_val_struct): Likewise. (elt_loc_list): Likewise. (elt_list): Likewise. * varasm.c (struct addr_const): Likewise. * tree-flow.h (struct edge_prediction): Likewise. (struct int_tree_map): Likewise. (struct _edge_var_map): Likewise. ada: 2010-11-30 Laurynas Biveinis <laurynas.biveinis@gmail.com> * gcc-interface/decl.c (struct subst_pair_d): Remove GTY tag. (variant_desc_d): Likewise. cp: 2010-11-30 Laurynas Biveinis <laurynas.biveinis@gmail.com> * cp-tree.h (struct aggr_init_expr_arg_iterator_d): Remove GTY tag. From-SVN: r167406
2010-10-18tree-flow.h (gimple_purge_all_dead_abnormal_call_edges): Declare.Eric Botcazou1-1/+2
* tree-flow.h (gimple_purge_all_dead_abnormal_call_edges): Declare. * tree-cfg.c (gimple_purge_dead_abnormal_call_edges): Move around and rewrite modelled on gimple_purge_dead_eh_edges. (gimple_purge_all_dead_abnormal_call_edges): New function. * tree-inline.c (expand_call_inline): Call gimple_purge_dead_eh_edges directly instead of through gimple_purge_dead_abnormal_call_edges. * tree-ssa-pre.c (need_ab_cleanup): New static variable. (eliminate): Set bit in need_ab_cleanup for the basic block if we have removed AB side-effects from one of its statements. (init_pre): Initialize need_ab_cleanup. (fini_pre): Purge dead abnormal call edges and clean up the CFG if bits are set in need_ab_cleanup. Free need_ab_cleanup afterward. From-SVN: r165646
2010-09-23tree-flow.h (execute_update_addresses_taken): Adjust.Eric Botcazou1-1/+1
* tree-flow.h (execute_update_addresses_taken): Adjust. * tree-ssa.c (maybe_optimize_var): Tweak comment and dump messages. (execute_update_addresses_taken): Remove parameter and OPTIMIZE test. * passes.c (execute_function_todo): Adjust calls to above function. From-SVN: r164571
2010-09-04re PR bootstrap/45519 (Failed to bootstrap)Richard Guenther1-0/+4
2010-09-04 Richard Guenther <rguenther@suse.de> PR bootstrap/45519 * tree-flow.h (force_gimple_operand_1): Declare. (force_gimple_operand_gsi_1): Likewise. * gimplify.c (force_gimple_operand_1): New worker taking a gimple predicate for ... (force_gimple_operand): ... which now wraps it. (force_gimple_operand_gsi_1, force_gimple_operand_gsi): Likewise. * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Revert last change. * tree-ssa-address.c (gimplify_mem_ref_parts): Use force_gimple_operand_gsi_1 with is_gimple_mem_ref_addr. (create_mem_ref): Likewise. From-SVN: r163858
2010-09-01tree-vrp.c (adjust_range_with_scev): Use number of iteration estimate.Richard Guenther1-1/+1
2010-09-01 Richard Guenther <rguenther@suse.de> * tree-vrp.c (adjust_range_with_scev): Use number of iteration estimate. (vrp_visit_phi_node): Delay using SCEV till we balloon the range. (execute_vrp): Compute number of iteration estimates. * cfgloop.h (estimate_numbers_of_iterations_loop): Adjust prototype. * tree-flow.h (estimate_numbers_of_iterations): Likewise. * tree-data-ref.c (estimated_loop_iterations): Adjust. * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Infer loop bounds from undefined behavior based on a new parameter. (estimate_numbers_of_iterations): Likewise. (scev_probably_wraps_p): Adjust. * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise. * gcc.dg/vect/vect-outer-fir.c: Adjust. * gcc.dg/tree-ssa/vrp54.c: New testcase. * gcc.c-torture/execute/20100827-1.c: Likewise. From-SVN: r163724
2010-08-23pr45260 Don't generate prefetch if the address of base could not be taken.Changpeng Fang1-0/+1
* tree-flow.h (may_be_nonaddressable_p): New definition. Make the existing static function global. *tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): This function is changed to global. *tree-ssa-loop-prefetch.c (gather_memory_references_ref): Call may_be_nonaddressable_p on base, and don't collect this reference if the address of the base could not be taken. From-SVN: r163475
2010-08-12tree-flow.h (struct ptr_info_def): Add align and misalign fields.Richard Guenther1-0/+12
2010-08-12 Richard Guenther <rguenther@suse.de> * tree-flow.h (struct ptr_info_def): Add align and misalign fields. * tree-ssa-alias.c (get_ptr_info): Move ... * tree-ssanames.c (get_ptr_info): ... here. Initialize align and misalign fields conservatively. * tree-ssa-ccp.c (ccp_finalize): From partially constant pointers derive alignment information. (evaluate_stmt): Derive alignment information from memory allocation functions. * tree.h (get_pointer_alignment): Make unsigned. * builtins.c (get_object_alignment): Use alignment information we have computed for pointers. (get_pointer_alignment): Likewise. Make conservative, return and unsigned value. (expand_builtin_strlen): Adjust. (expand_builtin_memcmp): Likewise. (expand_builtin_strcmp): Likewise. (expand_builtin_strncmp): Likewise. (get_builtin_sync_mem): Use at least mode alignment. (fold_builtin_memset): Adjust. (fold_builtin_memory_op): Likewise. * gimple-pretty-print.c (dump_gimple_phi): Alongside alias information also dump pointer alignment knowledge. (dump_gimple_stmt): Likewise. From-SVN: r163189
2010-07-28Fix to expose more LIM when creating mem_refXinliang David Li1-2/+2
From-SVN: r162616
2010-07-21tree-flow.h (referenced_var): Move define ...Richard Guenther1-1/+0
2010-07-21 Richard Guenther <rguenther@suse.de> * tree-flow.h (referenced_var): Move define ... * tree-flow-inline.h (referenced_var): ... here as an inline function. Assert here ... * tree-dfa.c (referenced_var_lookup): ... instead of here. * tree-ssa.c (maybe_optimize_var): Check if the variable is in referenced vars. (execute_update_addresses_taken): Remove old broken check. * gimple-pretty-print.c (pp_points_to_solution): Use referenced_var_lookup. * tree-into-ssa.c (dump_decl_set): Likewise. From-SVN: r162368
2010-07-13tree.h (build_function_call_expr): Delete.Nathan Froyd1-1/+1
gcc/ * tree.h (build_function_call_expr): Delete. (build_call_expr_loc_array): New function. (build_call_expr_loc_vec): New function. * tree-flow.h (struct omp_region): Change type of ws_args field to a VEC. * builtins.c (build_function_call_expr): Delete. (build_call_expr_loc_array): New function. (build_call_expr_loc): Call it. Use XALLOCAVEC. (build_call_expr): Likewise. (build_call_expr_loc_vec): New function. * cgraphunit.c (build_cdtor): Call build_call_expr instead of build_function_call_expr. * expr.c (emutls_var_address): Likewise. * varasm.c (emutls_common_1): Likewise. * omp-low.c (expand_omp_atomic_mutex): Likewise. (expand_omp_taskreg): Adjust for new type of region->ws_args. (get_ws_args_for): Return a VEC instead of a tree. (expand_parallel_call): Call build_call_expr_loc_vec instead of build_function_call_expr. * stor-layout.c (self_referential_size): Likewise. gcc/fortran/ * trans-decl.c (build_entry_thunks): Call build_call_expr_loc_vec instead of build_function_call_expr. * trans-intrinsic.c (gfc_conv_intrinsic_sr_kind): Likewise. From-SVN: r162148
2010-07-05tree.c (reference_alias_ptr_type): New function.Richard Guenther1-1/+1
2010-07-05 Richard Guenther <rguenther@suse.de> * tree.c (reference_alias_ptr_type): New function. * tree.h (reference_alias_ptr_type): Declare. * tree-ssa-loop-ivopts.c (copy_ref_info): Restructure to allow non-TARGET_MEM_REF new refs. (rewrite_use_address): Pass old alias pointer type to create_mem_ref. * tree-ssa-address.c (create_mem_ref_raw): Get alias pointer type. Build a MEM_REF instead of a TARGET_MEM_REF if possible. (create_mem_ref): Get alias pointer type. Adjust calls to create_mem_ref_raw. (maybe_fold_tmr): Likewise. * tree-flow.h (create_mem_ref): Adjust prototype. From-SVN: r161840
2010-07-01re PR middle-end/42834 (memcpy folding overeager)Richard Guenther1-0/+2
2010-07-01 Richard Guenther <rguenther@suse.de> PR middle-end/42834 PR middle-end/44468 * doc/gimple.texi (is_gimple_mem_ref_addr): Document. * doc/generic.texi (References to storage): Document MEM_REF. * tree-pretty-print.c (dump_generic_node): Handle MEM_REF. (print_call_name): Likewise. * tree.c (recompute_tree_invariant_for_addr_expr): Handle MEM_REF. (build_simple_mem_ref_loc): New function. (mem_ref_offset): Likewise. * tree.h (build_simple_mem_ref_loc): Declare. (build_simple_mem_ref): Define. (mem_ref_offset): Declare. * fold-const.c: Include tree-flow.h. (operand_equal_p): Handle MEM_REF. (build_fold_addr_expr_with_type_loc): Likewise. (fold_comparison): Likewise. (fold_unary_loc): Fold VIEW_CONVERT_EXPR <T1, MEM_REF <T2, ...>> to MEM_REF <T1, ...>. (fold_binary_loc): Fold MEM[&MEM[p, CST1], CST2] to MEM[p, CST1 + CST2], fold MEM[&a.b, CST2] to MEM[&a, offsetof (a, b) + CST2]. * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle MEM_REF. (ptr_deref_may_alias_ref_p_1): Likewise. (ao_ref_base_alias_set): Properly differentiate base object for offset and TBAA. (ao_ref_init_from_ptr_and_size): Use MEM_REF. (indirect_ref_may_alias_decl_p): Handle MEM_REFs properly. (indirect_refs_may_alias_p): Likewise. (refs_may_alias_p_1): Likewise. Remove pointer SSA name def chasing code. (ref_maybe_used_by_call_p_1): Handle MEM_REF. (call_may_clobber_ref_p_1): Likewise. * dwarf2out.c (loc_list_from_tree): Handle MEM_REF. * expr.c (expand_assignment): Handle MEM_REF. (store_expr): Handle MEM_REFs from STRING_CSTs. (store_field): If expanding a MEM_REF of a non-addressable decl use bitfield operations. (get_inner_reference): Handle MEM_REF. (expand_expr_addr_expr_1): Likewise. (expand_expr_real_1): Likewise. * tree-eh.c (tree_could_trap_p): Handle MEM_REF. * alias.c (ao_ref_from_mem): Handle MEM_REF. (get_alias_set): Likewise. Properly handle VIEW_CONVERT_EXPRs. * tree-data-ref.c (dr_analyze_innermost): Handle MEM_REF. (dr_analyze_indices): Likewise. (dr_analyze_alias): Likewise. (object_address_invariant_in_loop_p): Likewise. * gimplify.c (mark_addressable): Handle MEM_REF. (gimplify_cond_expr): Build MEM_REFs. (gimplify_modify_expr_to_memcpy): Likewise. (gimplify_init_ctor_preeval_1): Handle MEM_REF. (gimple_fold_indirect_ref): Adjust. (gimplify_expr): Handle MEM_REF. Gimplify INDIRECT_REF to MEM_REF. * tree.def (MEM_REF): New tree code. * tree-dfa.c: Include toplev.h. (get_ref_base_and_extent): Handle MEM_REF. (get_addr_base_and_unit_offset): New function. * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle MEM_REF. * gimple-fold.c (may_propagate_address_into_dereference): Handle MEM_REF. (maybe_fold_offset_to_array_ref): Allow possibly out-of bounds accesses if the array has just one dimension. Remove always true parameter. Do not require type compatibility here. (maybe_fold_offset_to_component_ref): Remove. (maybe_fold_stmt_indirect): Remove. (maybe_fold_reference): Remove INDIRECT_REF handling. Fold back to non-MEM_REF. (maybe_fold_offset_to_address): Simplify. Deal with type mismatches here. (maybe_fold_reference): Likewise. (maybe_fold_stmt_addition): Likewise. Also handle &ARRAY + I in addition to &ARRAY[0] + I. (fold_gimple_assign): Handle ADDR_EXPR of MEM_REFs. (gimple_get_relevant_ref_binfo): Handle MEM_REF. * cfgexpand.c (expand_debug_expr): Handle MEM_REF. * tree-ssa.c (useless_type_conversion_p): Make most pointer conversions useless. (warn_uninitialized_var): Handle MEM_REF. (maybe_rewrite_mem_ref_base): New function. (execute_update_addresses_taken): Implement re-writing of MEM_REFs to SSA form. * tree-inline.c (remap_gimple_op_r): Handle MEM_REF, remove INDIRECT_REF handling. (copy_tree_body_r): Handle MEM_REF. * gimple.c (is_gimple_addressable): Adjust. (is_gimple_address): Likewise. (is_gimple_invariant_address): ADDR_EXPRs of MEM_REFs with invariant base are invariant. (is_gimple_min_lval): Adjust. (is_gimple_mem_ref_addr): New function. (get_base_address): Handle MEM_REF. (count_ptr_derefs): Likewise. (get_base_loadstore): Likewise. * gimple.h (is_gimple_mem_ref_addr): Declare. (gimple_call_fndecl): Handle invariant MEM_REF addresses. * tree-cfg.c (verify_address): New function, split out from ... (verify_expr): ... here. Use for verifying ADDR_EXPRs and the address operand of MEM_REFs. Verify MEM_REFs. Reject INDIRECT_REFs. (verify_types_in_gimple_min_lval): Handle MEM_REF. Disallow INDIRECT_REF. Allow conversions. (verify_types_in_gimple_reference): Verify VIEW_CONVERT_EXPR of a register does not change its size. (verify_types_in_gimple_reference): Verify MEM_REF. (verify_gimple_assign_single): Disallow INDIRECT_REF. Handle MEM_REF. * tree-ssa-operands.c (opf_non_addressable, opf_not_non_addressable): New. (mark_address_taken): Handle MEM_REF. (get_indirect_ref_operands): Pass through opf_not_non_addressable. (get_asm_expr_operands): Pass opf_not_non_addressable. (get_expr_operands): Handle opf_[not_]non_addressable. Handle MEM_REF. Remove INDIRECT_REF handling. * tree-vrp.c: (check_array_ref): Handle MEM_REF. (search_for_addr_array): Likewise. (check_array_bounds): Likewise. (vrp_stmt_computes_nonzero): Adjust for MEM_REF. * tree-ssa-loop-im.c (for_each_index): Handle MEM_REF. (ref_always_accessed_p): Likewise. (gen_lsm_tmp_name): Likewise. Handle ADDR_EXPR. * tree-complex.c (extract_component): Do not handle INDIRECT_REF. Handle MEM_REF. * cgraphbuild.c (mark_load): Properly check for NULL result from get_base_address. (mark_store): Likewise. * tree-ssa-loop-niter.c (array_at_struct_end_p): Handle MEM_REF. * tree-loop-distribution.c (generate_builtin): Exchange INDIRECT_REF handling for MEM_REF. * tree-scalar-evolution.c (follow_ssa_edge_expr): Handle &MEM[ptr + CST] similar to POINTER_PLUS_EXPR. * builtins.c (stabilize_va_list_loc): Use the function ABI valist type if we couldn't canonicalize the argument type. Always dereference with the canonical va-list type. (maybe_emit_free_warning): Handle MEM_REF. (fold_builtin_memory_op): Simplify and handle MEM_REFs in folding memmove to memcpy. * builtins.c (fold_builtin_memory_op): Use ref-all types for all memcpy foldings. * omp-low.c (build_receiver_ref): Adjust for MEM_REF. (build_outer_var_ref): Likewise. (scan_omp_1_op): Likewise. (lower_rec_input_clauses): Likewise. (lower_lastprivate_clauses): Likewise. (lower_reduction_clauses): Likewise. (lower_copyprivate_clauses): Likewise. (expand_omp_atomic_pipeline): Likewise. (expand_omp_atomic_mutex): Likewise. (create_task_copyfn): Likewise. * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MEM_REF. Remove old union trick. Initialize constant offsets. (ao_ref_init_from_vn_reference): Likewise. Do not handle INDIRECT_REF. Init base_alias_set properly. (vn_reference_lookup_3): Replace INDIRECT_REF handling with MEM_REF. (vn_reference_fold_indirect): Adjust for MEM_REFs. (valueize_refs): Fold MEM_REFs. Re-evaluate constant offset for ARRAY_REFs. (may_insert): Remove. (visit_reference_op_load): Do not test may_insert. (run_scc_vn): Remove parameter, do not fiddle with may_insert. * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add a field to store the constant offset this op applies. (run_scc_vn): Adjust prototype. * cgraphunit.c (thunk_adjust): Adjust for MEM_REF. * tree-ssa-ccp.c (ccp_fold): Replace INDIRECT_REF folding with MEM_REF. Propagate &foo + CST as &MEM[&foo, CST]. Do not bother about volatile qualifiers on pointers. (fold_const_aggregate_ref): Handle MEM_REF, do not handle INDIRECT_REF. * tree-ssa-loop-ivopts.c * tree-ssa-loop-ivopts.c (determine_base_object): Adjust for MEM_REF. (strip_offset_1): Likewise. (find_interesting_uses_address): Replace INDIRECT_REF handling with MEM_REF handling. (get_computation_cost_at): Likewise. * ipa-pure-const.c (check_op): Handle MEM_REF. * tree-stdarg.c (check_all_va_list_escapes): Adjust for MEM_REF. * tree-ssa-sink.c (is_hidden_global_store): Handle MEM_REF and constants. * ipa-inline.c (likely_eliminated_by_inlining_p): Handle MEM_REF. * tree-parloops.c (take_address_of): Adjust for MEM_REF. (eliminate_local_variables_1): Likewise. (create_call_for_reduction_1): Likewise. (create_loads_for_reductions): Likewise. (create_loads_and_stores_for_name): Likewise. * matrix-reorg.c (may_flatten_matrices_1): Sanitize. (ssa_accessed_in_tree): Handle MEM_REF. (ssa_accessed_in_assign_rhs): Likewise. (update_type_size): Likewise. (analyze_accesses_for_call_stmt): Likewise. (analyze_accesses_for_assign_stmt): Likewise. (transform_access_sites): Likewise. (transform_allocation_sites): Likewise. * tree-affine.c (tree_to_aff_combination): Handle MEM_REF. * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do not handle INDIRECT_REF. * tree-ssa-phiopt.c (add_or_mark_expr): Handle MEM_REF. (cond_store_replacement): Likewise. * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle MEM_REF, no not handle INDIRECT_REFs. (insert_into_preds_of_block): Properly initialize avail. (phi_translate_1): Fold MEM_REFs. Re-evaluate constant offset for ARRAY_REFs. Properly handle reference lookups that require a bit re-interpretation. (can_PRE_operation): Do not handle INDIRECT_REF. Handle MEM_REF. * tree-sra.c * tree-sra.c (build_access_from_expr_1): Handle MEM_REF. (build_ref_for_offset_1): Remove. (build_ref_for_offset): Build MEM_REFs. (gate_intra_sra): Disable for now. (sra_ipa_modify_expr): Handle MEM_REF. (ipa_early_sra_gate): Disable for now. * tree-sra.c (create_access): Swap INDIRECT_REF handling for MEM_REF handling. (disqualify_base_of_expr): Likewise. (ptr_parm_has_direct_uses): Swap INDIRECT_REF handling for MEM_REF handling. (sra_ipa_modify_expr): Remove INDIRECT_REF handling. Use mem_ref_offset. Remove bogus folding. (build_access_from_expr_1): Properly handle MEM_REF for non IPA-SRA. (make_fancy_name_1): Add support for MEM_REF. * tree-predcom.c (ref_at_iteration): Handle MEM_REFs. * tree-mudflap.c (mf_xform_derefs_1): Adjust for MEM_REF. * ipa-prop.c (compute_complex_assign_jump_func): Handle MEM_REF. (compute_complex_ancestor_jump_func): Likewise. (ipa_analyze_virtual_call_uses): Likewise. * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Replace INDIRECT_REF folding with more generalized MEM_REF folding. (tree_ssa_forward_propagate_single_use_vars): Adjust accordingly. (forward_propagate_addr_into_variable_array_index): Also handle &ARRAY + I in addition to &ARRAY[0] + I. * tree-ssa-dce.c (ref_may_be_aliased): Handle MEM_REF. * tree-ssa-ter.c (find_replaceable_in_bb): Avoid TER if that creates assignments with overlap. * tree-nested.c (get_static_chain): Adjust for MEM_REF. (get_frame_field): Likewise. (get_nonlocal_debug_decl): Likewise. (convert_nonlocal_reference_op): Likewise. (struct nesting_info): Add mem_refs pointer-set. (create_nesting_tree): Allocate it. (convert_local_reference_op): Insert to be folded mem-refs. (fold_mem_refs): New function. (finalize_nesting_tree_1): Perform defered folding of mem-refs (free_nesting_tree): Free the pointer-set. * tree-vect-stmts.c (vectorizable_store): Adjust for MEM_REF. (vectorizable_load): Likewise. * tree-ssa-phiprop.c (phiprop_insert_phi): Adjust for MEM_REF. (propagate_with_phi): Likewise. * tree-object-size.c (addr_object_size): Handle MEM_REFs instead of INDIRECT_REFs. (compute_object_offset): Handle MEM_REF. (plus_stmt_object_size): Handle MEM_REF. (collect_object_sizes_for): Dispatch to plus_stmt_object_size for &MEM_REF. * tree-flow.h (get_addr_base_and_unit_offset): Declare. (symbol_marked_for_renaming): Likewise. * Makefile.in (tree-dfa.o): Add $(TOPLEV_H). (fold-const.o): Add $(TREE_FLOW_H). * tree-ssa-structalias.c (get_constraint_for_1): Handle MEM_REF. (find_func_clobbers): Likewise. * ipa-struct-reorg.c (decompose_indirect_ref_acc): Handle MEM_REF. (decompose_access): Likewise. (replace_field_acc): Likewise. (replace_field_access_stmt): Likewise. (insert_new_var_in_stmt): Likewise. (get_stmt_accesses): Likewise. (reorg_structs_drive): Disable. * config/i386/i386.c (ix86_va_start): Adjust for MEM_REF. (ix86_canonical_va_list_type): Likewise. cp/ * cp-gimplify.c (cp_gimplify_expr): Open-code the rhs predicate we are looking for, allow non-gimplified INDIRECT_REFs. testsuite/ * gcc.c-torture/execute/20100316-1.c: New testcase. * gcc.c-torture/execute/pr44468.c: Likewise. * gcc.c-torture/compile/20100609-1.c: Likewise. * gcc.dg/volatile2.c: Adjust. * gcc.dg/plugin/selfassign.c: Likewise. * gcc.dg/pr36902.c: Likewise. * gcc.dg/tree-ssa/foldaddr-2.c: Remove. * gcc.dg/tree-ssa/foldaddr-3.c: Likewise. * gcc.dg/tree-ssa/forwprop-8.c: Adjust. * gcc.dg/tree-ssa/pr17141-1.c: Likewise. * gcc.dg/tree-ssa/ssa-fre-13.c: Likewise. * gcc.dg/tree-ssa/ssa-fre-14.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-21.c: Likewise. * gcc.dg/tree-ssa/pta-ptrarith-1.c: Likewise. * gcc.dg/tree-ssa/20030807-7.c: Likewise. * gcc.dg/tree-ssa/forwprop-10.c: Likewise. * gcc.dg/tree-ssa/ssa-fre-1.c: Likewise. * gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-23.c: Likewise. * gcc.dg/tree-ssa/forwprop-1.c: Likewise. * gcc.dg/tree-ssa/forwprop-2.c: Likewise. * gcc.dg/tree-ssa/struct-aliasing-1.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-25.c: Likewise. * gcc.dg/tree-ssa/ssa-pre-26.c: Likewise. * gcc.dg/tree-ssa/struct-aliasing-2.c: Likewise. * gcc.dg/tree-ssa/ssa-ccp-26.c: Likewise. * gcc.dg/tree-ssa/ssa-sccvn-4.c: Likewise. * gcc.dg/tree-ssa/ssa-pre-7.c: Likewise. * gcc.dg/tree-ssa/forwprop-5.c: Likewise. * gcc.dg/struct/w_prof_two_strs.c: XFAIL. * gcc.dg/struct/wo_prof_escape_arg_to_local.c: Likewise. * gcc.dg/struct/wo_prof_global_var.c: Likewise. * gcc.dg/struct/wo_prof_malloc_size_var.c: Likewise. * gcc.dg/struct/w_prof_local_array.c: Likewise. * gcc.dg/struct/w_prof_single_str_global.c: Likewise. * gcc.dg/struct/wo_prof_escape_str_init.c: Likewise. * gcc.dg/struct/wo_prof_array_through_pointer.c: Likewise. * gcc.dg/struct/w_prof_global_array.c: Likewise. * gcc.dg/struct/wo_prof_array_field.c: Likewise. * gcc.dg/struct/wo_prof_single_str_local.c: Likewise. * gcc.dg/struct/w_prof_local_var.c: Likewise. * gcc.dg/struct/wo_prof_two_strs.c: Likewise. * gcc.dg/struct/wo_prof_empty_str.c: Likewise. * gcc.dg/struct/wo_prof_local_array.c: Likewise. * gcc.dg/struct/w_prof_global_var.c: Likewise. * gcc.dg/struct/wo_prof_single_str_global.c: Likewise. * gcc.dg/struct/wo_prof_escape_substr_value.c: Likewise. * gcc.dg/struct/wo_prof_global_array.c: Likewise. * gcc.dg/struct/wo_prof_escape_return.c: Likewise. * gcc.dg/struct/wo_prof_escape_substr_array.c: Likewise. * gcc.dg/struct/wo_prof_double_malloc.c: Likewise. * gcc.dg/struct/w_ratio_cold_str.c: Likewise. * gcc.dg/struct/wo_prof_escape_substr_pointer.c: Likewise. * gcc.dg/struct/wo_prof_local_var.c: Likewise. * gcc.dg/tree-prof/stringop-1.c: Adjust. * g++.dg/tree-ssa/pr31146.C: Likewise. * g++.dg/tree-ssa/copyprop-1.C: Likewise. * g++.dg/tree-ssa/pr33604.C: Likewise. * g++.dg/plugin/selfassign.c: Likewise. * gfortran.dg/array_memcpy_3.f90: Likewise. * gfortran.dg/array_memcpy_4.f90: Likewise. * c-c++-common/torture/pr42834.c: New testcase. From-SVN: r161655