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* tree-pretty-print.c (dump_generic_node): Handle OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR. * cgraph.c (cgraph_expand_queue): Rename from cgraph_analyze_queue. Update all users. * cgraphunit.c (cgraph_assemble_pending_functions): Process cgraph_expand_queue. (cgraph_expand_all_functions): Likewise. (cgraph_finalize_pending_functions): Remove. Update callers. * tree.h (OMP_DIRECTIVE_P): Define. (OMP_PARALLEL_FN): Define. (OMP_PARALLEL_DATA_ARG): Define. (OMP_SECTIONS_SECTIONS): Define. * tree-pass.h (pass_expand_omp): Declare. * omp-low.c (struct omp_region): Declare. (struct omp_context): Remove fields 'parallel_type', 'parallel_start_ix' and 'parallel_start_additional_args'. Update all users. (struct omp_for_data): Rename from struct expand_omp_for_data. (omp_regions): New static variable. (root_omp_region): New static variable. (find_omp_clause): Make static. (is_in_combined_parallel_ctx): Remove. (is_combined_parallel): New. (extract_omp_for_data): Move earlier in the file. (workshare_safe_to_combine_p): New. (get_ws_args_for): New. (determine_parallel_type): Move earlier in the file. (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the child function. (omp_copy_decl): Likewise. (create_omp_child_function): Likewise. (lookup_omp_region): New. (dump_omp_region): New. (debug_omp_region): New. (debug_all_omp_regions): New. (new_omp_region): New. (scan_omp_parallel): If parallel_nesting_level > 1, the directive is nested within another parallel directive. Set OMP_PARALLEL_FN. (scan_omp_for): Do not try to handle combined parallel+for cases. Remove FIXME comment. (scan_omp_nested): Remove. (scan_omp_1): Do not call scan_omp_nested when parallel_nesting_level is > 1. Do not change the DECL_CONTEXT of local variables found. (lookup_decl_in_outer_ctx): New. (lower_rec_input_clauses): Rename from expand_rec_input_clauses. (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses. (lower_reduction_clauses): Rename from expand_reduction_clauses. (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses. If CTX is nested, lookup VAR in the outer context when building copy assignment. (lower_send_clauses): Rename from expand_send_clauses. If CTX is nested, lookup VAR in the outer context when building copy assignments. (lower_send_shared_vars): Rename from expand_send_shared_vars. If CTX is nested, lookup VAR in the outer context when building copy assignments. (expand_parallel_call): Rename from build_parallel_call. Handle combined parallel+workshare cases. Re-implement to emit code into the CFG. (list2chain): New. (expand_omp_parallel): Re-implement to emit code into the CFG. Call move_sese_region_to_fn to outline the sub-graph containing the parallel region. (expand_omp_for_1): Remove. (expand_omp_for_generic): Re-implement to emit code into the CFG. (expand_omp_for_static_nochunk): Likewise. (expand_omp_for_static_chunk): Likewise. (expand_omp_for): Likewise. (expand_omp_sections): Likewise. (remove_exit_barriers): New. (expand_omp_synch): New. (expand_omp): New. (build_omp_regions_1): New. (build_omp_regions): New. (execute_expand_omp): New. (gate_expand_omp): New. (pass_expand_omp): Define. (lower_omp_sections): Rename from expand_omp_sections. Set OMP_SECTIONS_SECTIONS. (lower_omp_single_simple): Rename from expand_omp_single_simple. (lower_omp_single_copy): Rename from expand_omp_single_copy. (lower_omp_single): Rename from expand_omp_simple. (lower_omp_master): Rename from expand_omp_master. (lower_omp_ordered): Rename from expand_omp_ordered. (lower_omp_critical): Rename from expand_omp_critical. (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate. (lower_omp_for): Re-implement. (lower_omp_parallel): Re-implement. (lower_regimplify): Rename from expand_regimplify. (lower_omp_1): Rename from expand_omp_1. If there are syntax errors in the program, replace every OpenMP directive with NOP. Call lower_omp_* instead of expand_omp_*. (lower_omp): Rename from expand_omp. * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR. * tree-gimple.h (enum omp_parallel_type): Remove. (gimple_boolify): Declare extern. (find_omp_clause, determine_parallel_type): Remove. * gimple-low.c (lower_omp_directive): New. (lower_stmt): Call it. (record_vars_into): Move from ... (record_vars): ... here. Call record_vars_into with current_function_decl. * gimplify.c (struct gimplify_ctx): Remove fields combined_pre_p and combined_ctxp. Update users. (get_formal_tmp_var): Add documentation. (gimple_boolify): Make extern. (gimplify_expr_in_ctx): Remove. Update callers. (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY will always be a BIND_EXPR. (gimplify_expr): Handle OMP_RETURN_EXPR. * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS. (OMP_PARALLEL): Add 3 operands. (OMP_SECTIONS): Add 1 operand. (OMP_RETURN_EXPR): Define. * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives. (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*. * tree-iterator.c (alloc_stmt_list): Assert that we are not creating a circular free list. (free_stmt_list): Assert that we are not freeing stmt_list_cache. * tree-flow.h (move_sese_region_to_fn): Declare. (record_vars_into): Declare. * tree-cfg.c (make_omp_sections_edges): New. (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR, OMP_SECTIONS and OMP_SECTION. (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P. (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl. (verify_stmt): Do not handle OMP_DIRECTIVE_P. (gather_blocks_in_sese_region): New. (struct move_stmt_d): Declare. (move_stmt_r): New. (move_block_to_fn): New. (move_sese_region_to_fn): New. * passes.c (init_optimization_passes): Schedule pass_expand_omp after pass_init_datastructures. * tree-ssa-operands.c (get_expr_operands): Handle OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR, OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL. testsuite/ * testsuite/gcc.dg/gomp/for-13.c: Use -fdump-tree-ompexp. * testsuite/gcc.dg/gomp/critical-1.c: Likewise. * testsuite/gcc.dg/gomp/critical-3.c: Likewise. * testsuite/gcc.dg/gomp/empty.c: Likewise. * testsuite/gcc.dg/gomp/ordered-1.c: Likewise. * testsuite/gcc.dg/gomp/for-4.c: Likewise. * testsuite/gcc.dg/gomp/for-6.c: Likewise. * testsuite/gcc.dg/gomp/master-3.c: Likewise. * testsuite/gcc.dg/gomp/for-8.c: Likewise. * testsuite/gcc.dg/gomp/for-10.c: Likewise. * testsuite/gcc.dg/gomp/for-18.c: Likewise. * testsuite/gcc.dg/gomp/for-5.c: Likewise. * testsuite/gcc.dg/gomp/for-7.c: Likewise. * testsuite/gcc.dg/gomp/for-9.c: Likewise. From-SVN: r109969
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