| File: | build/gcc/omp-offload.c |
| Warning: | line 764, column 8 Value stored to 'span' during its initialization is never read |
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| 1 | /* Bits of OpenMP and OpenACC handling that is specific to device offloading |
| 2 | and a lowering pass for OpenACC device directives. |
| 3 | |
| 4 | Copyright (C) 2005-2021 Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of GCC. |
| 7 | |
| 8 | GCC is free software; you can redistribute it and/or modify it under |
| 9 | the terms of the GNU General Public License as published by the Free |
| 10 | Software Foundation; either version 3, or (at your option) any later |
| 11 | version. |
| 12 | |
| 13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| 14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 16 | for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with GCC; see the file COPYING3. If not see |
| 20 | <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | #include "config.h" |
| 23 | #include "system.h" |
| 24 | #include "coretypes.h" |
| 25 | #include "backend.h" |
| 26 | #include "target.h" |
| 27 | #include "tree.h" |
| 28 | #include "gimple.h" |
| 29 | #include "tree-pass.h" |
| 30 | #include "ssa.h" |
| 31 | #include "cgraph.h" |
| 32 | #include "pretty-print.h" |
| 33 | #include "diagnostic-core.h" |
| 34 | #include "fold-const.h" |
| 35 | #include "internal-fn.h" |
| 36 | #include "langhooks.h" |
| 37 | #include "gimplify.h" |
| 38 | #include "gimple-iterator.h" |
| 39 | #include "gimplify-me.h" |
| 40 | #include "gimple-walk.h" |
| 41 | #include "tree-cfg.h" |
| 42 | #include "tree-into-ssa.h" |
| 43 | #include "tree-nested.h" |
| 44 | #include "stor-layout.h" |
| 45 | #include "common/common-target.h" |
| 46 | #include "omp-general.h" |
| 47 | #include "omp-offload.h" |
| 48 | #include "lto-section-names.h" |
| 49 | #include "gomp-constants.h" |
| 50 | #include "gimple-pretty-print.h" |
| 51 | #include "intl.h" |
| 52 | #include "stringpool.h" |
| 53 | #include "attribs.h" |
| 54 | #include "cfgloop.h" |
| 55 | #include "context.h" |
| 56 | |
| 57 | /* Describe the OpenACC looping structure of a function. The entire |
| 58 | function is held in a 'NULL' loop. */ |
| 59 | |
| 60 | struct oacc_loop |
| 61 | { |
| 62 | oacc_loop *parent; /* Containing loop. */ |
| 63 | |
| 64 | oacc_loop *child; /* First inner loop. */ |
| 65 | |
| 66 | oacc_loop *sibling; /* Next loop within same parent. */ |
| 67 | |
| 68 | location_t loc; /* Location of the loop start. */ |
| 69 | |
| 70 | gcall *marker; /* Initial head marker. */ |
| 71 | |
| 72 | gcall *heads[GOMP_DIM_MAX3]; /* Head marker functions. */ |
| 73 | gcall *tails[GOMP_DIM_MAX3]; /* Tail marker functions. */ |
| 74 | |
| 75 | tree routine; /* Pseudo-loop enclosing a routine. */ |
| 76 | |
| 77 | unsigned mask; /* Partitioning mask. */ |
| 78 | unsigned e_mask; /* Partitioning of element loops (when tiling). */ |
| 79 | unsigned inner; /* Partitioning of inner loops. */ |
| 80 | unsigned flags; /* Partitioning flags. */ |
| 81 | vec<gcall *> ifns; /* Contained loop abstraction functions. */ |
| 82 | tree chunk_size; /* Chunk size. */ |
| 83 | gcall *head_end; /* Final marker of head sequence. */ |
| 84 | }; |
| 85 | |
| 86 | /* Holds offload tables with decls. */ |
| 87 | vec<tree, va_gc> *offload_funcs, *offload_vars; |
| 88 | |
| 89 | /* Return level at which oacc routine may spawn a partitioned loop, or |
| 90 | -1 if it is not a routine (i.e. is an offload fn). */ |
| 91 | |
| 92 | int |
| 93 | oacc_fn_attrib_level (tree attr) |
| 94 | { |
| 95 | tree pos = TREE_VALUE (attr)((tree_check ((attr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 95, __FUNCTION__, (TREE_LIST)))->list.value); |
| 96 | |
| 97 | if (!TREE_PURPOSE (pos)((tree_check ((pos), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 97, __FUNCTION__, (TREE_LIST)))->list.purpose)) |
| 98 | return -1; |
| 99 | |
| 100 | int ix = 0; |
| 101 | for (ix = 0; ix != GOMP_DIM_MAX3; |
| 102 | ix++, pos = TREE_CHAIN (pos)((contains_struct_check ((pos), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 102, __FUNCTION__))->common.chain)) |
| 103 | if (!integer_zerop (TREE_PURPOSE (pos)((tree_check ((pos), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 103, __FUNCTION__, (TREE_LIST)))->list.purpose))) |
| 104 | break; |
| 105 | |
| 106 | return ix; |
| 107 | } |
| 108 | |
| 109 | /* Helper function for omp_finish_file routine. Takes decls from V_DECLS and |
| 110 | adds their addresses and sizes to constructor-vector V_CTOR. */ |
| 111 | |
| 112 | static void |
| 113 | add_decls_addresses_to_decl_constructor (vec<tree, va_gc> *v_decls, |
| 114 | vec<constructor_elt, va_gc> *v_ctor) |
| 115 | { |
| 116 | unsigned len = vec_safe_length (v_decls); |
| 117 | for (unsigned i = 0; i < len; i++) |
| 118 | { |
| 119 | tree it = (*v_decls)[i]; |
| 120 | bool is_var = VAR_P (it)(((enum tree_code) (it)->base.code) == VAR_DECL); |
| 121 | bool is_link_var |
| 122 | = is_var |
| 123 | #ifdef ACCEL_COMPILER |
| 124 | && DECL_HAS_VALUE_EXPR_P (it)((tree_check3 ((it), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 124, __FUNCTION__, (VAR_DECL), (PARM_DECL), (RESULT_DECL))) ->decl_common.decl_flag_2) |
| 125 | #endif |
| 126 | && lookup_attribute ("omp declare target link", DECL_ATTRIBUTES (it)((contains_struct_check ((it), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 126, __FUNCTION__))->decl_common.attributes)); |
| 127 | |
| 128 | /* See also omp_finish_file and output_offload_tables in lto-cgraph.c. */ |
| 129 | if (!in_lto_pglobal_options.x_in_lto_p && !symtab_node::get (it)) |
| 130 | continue; |
| 131 | |
| 132 | tree size = NULL_TREE(tree) __null; |
| 133 | if (is_var) |
| 134 | size = fold_convert (const_ptr_type_node, DECL_SIZE_UNIT (it))fold_convert_loc (((location_t) 0), global_trees[TI_CONST_PTR_TYPE ], ((contains_struct_check ((it), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 134, __FUNCTION__))->decl_common.size_unit)); |
| 135 | |
| 136 | tree addr; |
| 137 | if (!is_link_var) |
| 138 | addr = build_fold_addr_expr (it)build_fold_addr_expr_loc (((location_t) 0), (it)); |
| 139 | else |
| 140 | { |
| 141 | #ifdef ACCEL_COMPILER |
| 142 | /* For "omp declare target link" vars add address of the pointer to |
| 143 | the target table, instead of address of the var. */ |
| 144 | tree value_expr = DECL_VALUE_EXPR (it)(decl_value_expr_lookup ((contains_struct_check ((it), (TS_DECL_WRTL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 144, __FUNCTION__)))); |
| 145 | tree link_ptr_decl = TREE_OPERAND (value_expr, 0)(*((const_cast<tree*> (tree_operand_check ((value_expr) , (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 145, __FUNCTION__))))); |
| 146 | varpool_node::finalize_decl (link_ptr_decl); |
| 147 | addr = build_fold_addr_expr (link_ptr_decl)build_fold_addr_expr_loc (((location_t) 0), (link_ptr_decl)); |
| 148 | #else |
| 149 | addr = build_fold_addr_expr (it)build_fold_addr_expr_loc (((location_t) 0), (it)); |
| 150 | #endif |
| 151 | |
| 152 | /* Most significant bit of the size marks "omp declare target link" |
| 153 | vars in host and target tables. */ |
| 154 | unsigned HOST_WIDE_INTlong isize = tree_to_uhwi (size); |
| 155 | isize |= 1ULL << (int_size_in_bytes (const_ptr_type_nodeglobal_trees[TI_CONST_PTR_TYPE]) |
| 156 | * BITS_PER_UNIT(8) - 1); |
| 157 | size = wide_int_to_tree (const_ptr_type_nodeglobal_trees[TI_CONST_PTR_TYPE], isize); |
| 158 | } |
| 159 | |
| 160 | CONSTRUCTOR_APPEND_ELT (v_ctor, NULL_TREE, addr)do { constructor_elt _ce___ = {(tree) __null, addr}; vec_safe_push ((v_ctor), _ce___); } while (0); |
| 161 | if (is_var) |
| 162 | CONSTRUCTOR_APPEND_ELT (v_ctor, NULL_TREE, size)do { constructor_elt _ce___ = {(tree) __null, size}; vec_safe_push ((v_ctor), _ce___); } while (0); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | /* Return true if DECL is a function for which its references should be |
| 167 | analyzed. */ |
| 168 | |
| 169 | static bool |
| 170 | omp_declare_target_fn_p (tree decl) |
| 171 | { |
| 172 | return (TREE_CODE (decl)((enum tree_code) (decl)->base.code) == FUNCTION_DECL |
| 173 | && lookup_attribute ("omp declare target", DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 173, __FUNCTION__))->decl_common.attributes)) |
| 174 | && !lookup_attribute ("omp declare target host", |
| 175 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 175, __FUNCTION__))->decl_common.attributes)) |
| 176 | && (!flag_openaccglobal_options.x_flag_openacc |
| 177 | || oacc_get_fn_attrib (decl) == NULL_TREE(tree) __null)); |
| 178 | } |
| 179 | |
| 180 | /* Return true if DECL Is a variable for which its initializer references |
| 181 | should be analyzed. */ |
| 182 | |
| 183 | static bool |
| 184 | omp_declare_target_var_p (tree decl) |
| 185 | { |
| 186 | return (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL) |
| 187 | && lookup_attribute ("omp declare target", DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 187, __FUNCTION__))->decl_common.attributes)) |
| 188 | && !lookup_attribute ("omp declare target link", |
| 189 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 189, __FUNCTION__))->decl_common.attributes))); |
| 190 | } |
| 191 | |
| 192 | /* Helper function for omp_discover_implicit_declare_target, called through |
| 193 | walk_tree. Mark referenced FUNCTION_DECLs implicitly as |
| 194 | declare target to. */ |
| 195 | |
| 196 | static tree |
| 197 | omp_discover_declare_target_tgt_fn_r (tree *tp, int *walk_subtrees, void *data) |
| 198 | { |
| 199 | if (TREE_CODE (*tp)((enum tree_code) (*tp)->base.code) == CALL_EXPR |
| 200 | && CALL_EXPR_FN (*tp)(*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 200, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 200, __FUNCTION__))))) |
| 201 | && TREE_CODE (CALL_EXPR_FN (*tp))((enum tree_code) ((*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 201, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 201, __FUNCTION__))))))->base.code) == ADDR_EXPR |
| 202 | && TREE_CODE (TREE_OPERAND (CALL_EXPR_FN (*tp), 0))((enum tree_code) ((*((const_cast<tree*> (tree_operand_check (((*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 202, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 202, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 202, __FUNCTION__))))))->base.code) == FUNCTION_DECL |
| 203 | && lookup_attribute ("omp declare variant base", |
| 204 | DECL_ATTRIBUTES (TREE_OPERAND (CALL_EXPR_FN (*tp),((contains_struct_check (((*((const_cast<tree*> (tree_operand_check (((*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 204, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 204, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 205, __FUNCTION__)))))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 205, __FUNCTION__))->decl_common.attributes) |
| 205 | 0))((contains_struct_check (((*((const_cast<tree*> (tree_operand_check (((*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 204, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 204, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 205, __FUNCTION__)))))), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 205, __FUNCTION__))->decl_common.attributes))) |
| 206 | { |
| 207 | tree fn = TREE_OPERAND (CALL_EXPR_FN (*tp), 0)(*((const_cast<tree*> (tree_operand_check (((*((const_cast <tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 207, __FUNCTION__, (CALL_EXPR)))), (1), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 207, __FUNCTION__)))))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 207, __FUNCTION__))))); |
| 208 | for (tree attr = DECL_ATTRIBUTES (fn)((contains_struct_check ((fn), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 208, __FUNCTION__))->decl_common.attributes); attr; attr = TREE_CHAIN (attr)((contains_struct_check ((attr), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 208, __FUNCTION__))->common.chain)) |
| 209 | { |
| 210 | attr = lookup_attribute ("omp declare variant base", attr); |
| 211 | if (attr == NULL_TREE(tree) __null) |
| 212 | break; |
| 213 | tree purpose = TREE_PURPOSE (TREE_VALUE (attr))((tree_check ((((tree_check ((attr), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 213, __FUNCTION__, (TREE_LIST)))->list.value)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 213, __FUNCTION__, (TREE_LIST)))->list.purpose); |
| 214 | if (TREE_CODE (purpose)((enum tree_code) (purpose)->base.code) == FUNCTION_DECL) |
| 215 | omp_discover_declare_target_tgt_fn_r (&purpose, walk_subtrees, data); |
| 216 | } |
| 217 | } |
| 218 | else if (TREE_CODE (*tp)((enum tree_code) (*tp)->base.code) == FUNCTION_DECL) |
| 219 | { |
| 220 | tree decl = *tp; |
| 221 | tree id = get_identifier ("omp declare target")(__builtin_constant_p ("omp declare target") ? get_identifier_with_length (("omp declare target"), strlen ("omp declare target")) : get_identifier ("omp declare target")); |
| 222 | symtab_node *node = symtab_node::get (*tp); |
| 223 | if (node != NULL__null) |
| 224 | { |
| 225 | while (node->alias_target |
| 226 | && TREE_CODE (node->alias_target)((enum tree_code) (node->alias_target)->base.code) == FUNCTION_DECL) |
| 227 | { |
| 228 | if (!omp_declare_target_fn_p (node->decl) |
| 229 | && !lookup_attribute ("omp declare target host", |
| 230 | DECL_ATTRIBUTES (node->decl)((contains_struct_check ((node->decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 230, __FUNCTION__))->decl_common.attributes))) |
| 231 | { |
| 232 | node->offloadable = 1; |
| 233 | DECL_ATTRIBUTES (node->decl)((contains_struct_check ((node->decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 233, __FUNCTION__))->decl_common.attributes) |
| 234 | = tree_cons (id, NULL_TREE(tree) __null, DECL_ATTRIBUTES (node->decl)((contains_struct_check ((node->decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 234, __FUNCTION__))->decl_common.attributes)); |
| 235 | } |
| 236 | node = symtab_node::get (node->alias_target); |
| 237 | } |
| 238 | symtab_node *new_node = node->ultimate_alias_target (); |
| 239 | decl = new_node->decl; |
| 240 | while (node != new_node) |
| 241 | { |
| 242 | if (!omp_declare_target_fn_p (node->decl) |
| 243 | && !lookup_attribute ("omp declare target host", |
| 244 | DECL_ATTRIBUTES (node->decl)((contains_struct_check ((node->decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 244, __FUNCTION__))->decl_common.attributes))) |
| 245 | { |
| 246 | node->offloadable = 1; |
| 247 | DECL_ATTRIBUTES (node->decl)((contains_struct_check ((node->decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 247, __FUNCTION__))->decl_common.attributes) |
| 248 | = tree_cons (id, NULL_TREE(tree) __null, DECL_ATTRIBUTES (node->decl)((contains_struct_check ((node->decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 248, __FUNCTION__))->decl_common.attributes)); |
| 249 | } |
| 250 | gcc_assert (node->alias && node->analyzed)((void)(!(node->alias && node->analyzed) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 250, __FUNCTION__), 0 : 0)); |
| 251 | node = node->get_alias_target (); |
| 252 | } |
| 253 | node->offloadable = 1; |
| 254 | if (ENABLE_OFFLOADING0) |
| 255 | g->have_offload = true; |
| 256 | } |
| 257 | if (omp_declare_target_fn_p (decl) |
| 258 | || lookup_attribute ("omp declare target host", |
| 259 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 259, __FUNCTION__))->decl_common.attributes))) |
| 260 | return NULL_TREE(tree) __null; |
| 261 | |
| 262 | if (!DECL_EXTERNAL (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 262, __FUNCTION__))->decl_common.decl_flag_1) && DECL_SAVED_TREE (decl)((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 262, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree )) |
| 263 | ((vec<tree> *) data)->safe_push (decl); |
| 264 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 264, __FUNCTION__))->decl_common.attributes) = tree_cons (id, NULL_TREE(tree) __null, |
| 265 | DECL_ATTRIBUTES (decl)((contains_struct_check ((decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 265, __FUNCTION__))->decl_common.attributes)); |
| 266 | } |
| 267 | else if (TYPE_P (*tp)(tree_code_type[(int) (((enum tree_code) (*tp)->base.code) )] == tcc_type)) |
| 268 | *walk_subtrees = 0; |
| 269 | /* else if (TREE_CODE (*tp) == OMP_TARGET) |
| 270 | { |
| 271 | if (tree dev = omp_find_clause (OMP_TARGET_CLAUSES (*tp))) |
| 272 | if (OMP_DEVICE_ANCESTOR (dev)) |
| 273 | *walk_subtrees = 0; |
| 274 | } */ |
| 275 | return NULL_TREE(tree) __null; |
| 276 | } |
| 277 | |
| 278 | /* Similarly, but ignore references outside of OMP_TARGET regions. */ |
| 279 | |
| 280 | static tree |
| 281 | omp_discover_declare_target_fn_r (tree *tp, int *walk_subtrees, void *data) |
| 282 | { |
| 283 | if (TREE_CODE (*tp)((enum tree_code) (*tp)->base.code) == OMP_TARGET) |
| 284 | { |
| 285 | /* And not OMP_DEVICE_ANCESTOR. */ |
| 286 | walk_tree_without_duplicates (&OMP_TARGET_BODY (*tp),walk_tree_without_duplicates_1 (&(*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 286, __FUNCTION__, (OMP_TARGET)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 286, __FUNCTION__))))), omp_discover_declare_target_tgt_fn_r , data, __null) |
| 287 | omp_discover_declare_target_tgt_fn_r,walk_tree_without_duplicates_1 (&(*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 286, __FUNCTION__, (OMP_TARGET)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 286, __FUNCTION__))))), omp_discover_declare_target_tgt_fn_r , data, __null) |
| 288 | data)walk_tree_without_duplicates_1 (&(*((const_cast<tree*> (tree_operand_check (((tree_check ((*tp), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 286, __FUNCTION__, (OMP_TARGET)))), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 286, __FUNCTION__))))), omp_discover_declare_target_tgt_fn_r , data, __null); |
| 289 | *walk_subtrees = 0; |
| 290 | } |
| 291 | else if (TYPE_P (*tp)(tree_code_type[(int) (((enum tree_code) (*tp)->base.code) )] == tcc_type)) |
| 292 | *walk_subtrees = 0; |
| 293 | return NULL_TREE(tree) __null; |
| 294 | } |
| 295 | |
| 296 | /* Helper function for omp_discover_implicit_declare_target, called through |
| 297 | walk_tree. Mark referenced FUNCTION_DECLs implicitly as |
| 298 | declare target to. */ |
| 299 | |
| 300 | static tree |
| 301 | omp_discover_declare_target_var_r (tree *tp, int *walk_subtrees, void *data) |
| 302 | { |
| 303 | if (TREE_CODE (*tp)((enum tree_code) (*tp)->base.code) == FUNCTION_DECL) |
| 304 | return omp_discover_declare_target_tgt_fn_r (tp, walk_subtrees, data); |
| 305 | else if (VAR_P (*tp)(((enum tree_code) (*tp)->base.code) == VAR_DECL) |
| 306 | && is_global_var (*tp) |
| 307 | && !omp_declare_target_var_p (*tp)) |
| 308 | { |
| 309 | tree id = get_identifier ("omp declare target")(__builtin_constant_p ("omp declare target") ? get_identifier_with_length (("omp declare target"), strlen ("omp declare target")) : get_identifier ("omp declare target")); |
| 310 | if (lookup_attribute ("omp declare target link", DECL_ATTRIBUTES (*tp)((contains_struct_check ((*tp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 310, __FUNCTION__))->decl_common.attributes))) |
| 311 | { |
| 312 | error_at (DECL_SOURCE_LOCATION (*tp)((contains_struct_check ((*tp), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 312, __FUNCTION__))->decl_minimal.locus), |
| 313 | "%qD specified both in declare target %<link%> and " |
| 314 | "implicitly in %<to%> clauses", *tp); |
| 315 | DECL_ATTRIBUTES (*tp)((contains_struct_check ((*tp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 315, __FUNCTION__))->decl_common.attributes) |
| 316 | = remove_attribute ("omp declare target link", DECL_ATTRIBUTES (*tp)((contains_struct_check ((*tp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 316, __FUNCTION__))->decl_common.attributes)); |
| 317 | } |
| 318 | if (TREE_STATIC (*tp)((*tp)->base.static_flag) && lang_hooks.decls.omp_get_decl_init (*tp)) |
| 319 | ((vec<tree> *) data)->safe_push (*tp); |
| 320 | DECL_ATTRIBUTES (*tp)((contains_struct_check ((*tp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 320, __FUNCTION__))->decl_common.attributes) = tree_cons (id, NULL_TREE(tree) __null, DECL_ATTRIBUTES (*tp)((contains_struct_check ((*tp), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 320, __FUNCTION__))->decl_common.attributes)); |
| 321 | symtab_node *node = symtab_node::get (*tp); |
| 322 | if (node != NULL__null && !node->offloadable) |
| 323 | { |
| 324 | node->offloadable = 1; |
| 325 | if (ENABLE_OFFLOADING0) |
| 326 | { |
| 327 | g->have_offload = true; |
| 328 | if (is_a <varpool_node *> (node)) |
| 329 | vec_safe_push (offload_vars, node->decl); |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | else if (TYPE_P (*tp)(tree_code_type[(int) (((enum tree_code) (*tp)->base.code) )] == tcc_type)) |
| 334 | *walk_subtrees = 0; |
| 335 | return NULL_TREE(tree) __null; |
| 336 | } |
| 337 | |
| 338 | /* Perform the OpenMP implicit declare target to discovery. */ |
| 339 | |
| 340 | void |
| 341 | omp_discover_implicit_declare_target (void) |
| 342 | { |
| 343 | cgraph_node *node; |
| 344 | varpool_node *vnode; |
| 345 | auto_vec<tree> worklist; |
| 346 | |
| 347 | FOR_EACH_DEFINED_FUNCTION (node)for ((node) = symtab->first_defined_function (); (node); ( node) = symtab->next_defined_function ((node))) |
| 348 | if (DECL_SAVED_TREE (node->decl)((tree_check ((node->decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 348, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree )) |
| 349 | { |
| 350 | struct cgraph_node *cgn; |
| 351 | if (omp_declare_target_fn_p (node->decl)) |
| 352 | worklist.safe_push (node->decl); |
| 353 | else if (DECL_STRUCT_FUNCTION (node->decl)((tree_check ((node->decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 353, __FUNCTION__, (FUNCTION_DECL)))->function_decl.f) |
| 354 | && DECL_STRUCT_FUNCTION (node->decl)((tree_check ((node->decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 354, __FUNCTION__, (FUNCTION_DECL)))->function_decl.f)->has_omp_target) |
| 355 | worklist.safe_push (node->decl); |
| 356 | for (cgn = first_nested_function (node); |
| 357 | cgn; cgn = next_nested_function (cgn)) |
| 358 | if (omp_declare_target_fn_p (cgn->decl)) |
| 359 | worklist.safe_push (cgn->decl); |
| 360 | else if (DECL_STRUCT_FUNCTION (cgn->decl)((tree_check ((cgn->decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 360, __FUNCTION__, (FUNCTION_DECL)))->function_decl.f) |
| 361 | && DECL_STRUCT_FUNCTION (cgn->decl)((tree_check ((cgn->decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 361, __FUNCTION__, (FUNCTION_DECL)))->function_decl.f)->has_omp_target) |
| 362 | worklist.safe_push (cgn->decl); |
| 363 | } |
| 364 | FOR_EACH_VARIABLE (vnode)for ((vnode) = symtab->first_variable (); (vnode); (vnode) = symtab->next_variable ((vnode))) |
| 365 | if (lang_hooks.decls.omp_get_decl_init (vnode->decl) |
| 366 | && omp_declare_target_var_p (vnode->decl)) |
| 367 | worklist.safe_push (vnode->decl); |
| 368 | while (!worklist.is_empty ()) |
| 369 | { |
| 370 | tree decl = worklist.pop (); |
| 371 | if (VAR_P (decl)(((enum tree_code) (decl)->base.code) == VAR_DECL)) |
| 372 | walk_tree_without_duplicates (lang_hooks.decls.omp_get_decl_init (decl),walk_tree_without_duplicates_1 (lang_hooks.decls.omp_get_decl_init (decl), omp_discover_declare_target_var_r, &worklist, __null ) |
| 373 | omp_discover_declare_target_var_r,walk_tree_without_duplicates_1 (lang_hooks.decls.omp_get_decl_init (decl), omp_discover_declare_target_var_r, &worklist, __null ) |
| 374 | &worklist)walk_tree_without_duplicates_1 (lang_hooks.decls.omp_get_decl_init (decl), omp_discover_declare_target_var_r, &worklist, __null ); |
| 375 | else if (omp_declare_target_fn_p (decl)) |
| 376 | walk_tree_without_duplicates (&DECL_SAVED_TREE (decl),walk_tree_without_duplicates_1 (&((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 376, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ), omp_discover_declare_target_tgt_fn_r, &worklist, __null ) |
| 377 | omp_discover_declare_target_tgt_fn_r,walk_tree_without_duplicates_1 (&((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 376, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ), omp_discover_declare_target_tgt_fn_r, &worklist, __null ) |
| 378 | &worklist)walk_tree_without_duplicates_1 (&((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 376, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ), omp_discover_declare_target_tgt_fn_r, &worklist, __null ); |
| 379 | else |
| 380 | walk_tree_without_duplicates (&DECL_SAVED_TREE (decl),walk_tree_without_duplicates_1 (&((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 380, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ), omp_discover_declare_target_fn_r, &worklist, __null) |
| 381 | omp_discover_declare_target_fn_r,walk_tree_without_duplicates_1 (&((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 380, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ), omp_discover_declare_target_fn_r, &worklist, __null) |
| 382 | &worklist)walk_tree_without_duplicates_1 (&((tree_check ((decl), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 380, __FUNCTION__, (FUNCTION_DECL)))->function_decl.saved_tree ), omp_discover_declare_target_fn_r, &worklist, __null); |
| 383 | } |
| 384 | |
| 385 | lang_hooks.decls.omp_finish_decl_inits (); |
| 386 | } |
| 387 | |
| 388 | |
| 389 | /* Create new symbols containing (address, size) pairs for global variables, |
| 390 | marked with "omp declare target" attribute, as well as addresses for the |
| 391 | functions, which are outlined offloading regions. */ |
| 392 | void |
| 393 | omp_finish_file (void) |
| 394 | { |
| 395 | unsigned num_funcs = vec_safe_length (offload_funcs); |
| 396 | unsigned num_vars = vec_safe_length (offload_vars); |
| 397 | |
| 398 | if (num_funcs == 0 && num_vars == 0) |
| 399 | return; |
| 400 | |
| 401 | if (targetm_common.have_named_sections) |
| 402 | { |
| 403 | vec<constructor_elt, va_gc> *v_f, *v_v; |
| 404 | vec_alloc (v_f, num_funcs); |
| 405 | vec_alloc (v_v, num_vars * 2); |
| 406 | |
| 407 | add_decls_addresses_to_decl_constructor (offload_funcs, v_f); |
| 408 | add_decls_addresses_to_decl_constructor (offload_vars, v_v); |
| 409 | |
| 410 | tree vars_decl_type = build_array_type_nelts (pointer_sized_int_nodeglobal_trees[TI_POINTER_SIZED_TYPE], |
| 411 | vec_safe_length (v_v)); |
| 412 | tree funcs_decl_type = build_array_type_nelts (pointer_sized_int_nodeglobal_trees[TI_POINTER_SIZED_TYPE], |
| 413 | num_funcs); |
| 414 | SET_TYPE_ALIGN (vars_decl_type, TYPE_ALIGN (pointer_sized_int_node))((tree_class_check ((vars_decl_type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 414, __FUNCTION__))->type_common.align = ffs_hwi (((tree_class_check ((global_trees[TI_POINTER_SIZED_TYPE]), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 414, __FUNCTION__))->type_common.align ? ((unsigned)1) << ((global_trees[TI_POINTER_SIZED_TYPE])->type_common.align - 1) : 0))); |
| 415 | SET_TYPE_ALIGN (funcs_decl_type, TYPE_ALIGN (pointer_sized_int_node))((tree_class_check ((funcs_decl_type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 415, __FUNCTION__))->type_common.align = ffs_hwi (((tree_class_check ((global_trees[TI_POINTER_SIZED_TYPE]), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 415, __FUNCTION__))->type_common.align ? ((unsigned)1) << ((global_trees[TI_POINTER_SIZED_TYPE])->type_common.align - 1) : 0))); |
| 416 | tree ctor_v = build_constructor (vars_decl_type, v_v); |
| 417 | tree ctor_f = build_constructor (funcs_decl_type, v_f); |
| 418 | TREE_CONSTANT (ctor_v)((non_type_check ((ctor_v), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 418, __FUNCTION__))->base.constant_flag) = TREE_CONSTANT (ctor_f)((non_type_check ((ctor_f), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 418, __FUNCTION__))->base.constant_flag) = 1; |
| 419 | TREE_STATIC (ctor_v)((ctor_v)->base.static_flag) = TREE_STATIC (ctor_f)((ctor_f)->base.static_flag) = 1; |
| 420 | tree funcs_decl = build_decl (UNKNOWN_LOCATION((location_t) 0), VAR_DECL, |
| 421 | get_identifier (".offload_func_table")(__builtin_constant_p (".offload_func_table") ? get_identifier_with_length ((".offload_func_table"), strlen (".offload_func_table")) : get_identifier (".offload_func_table")), |
| 422 | funcs_decl_type); |
| 423 | tree vars_decl = build_decl (UNKNOWN_LOCATION((location_t) 0), VAR_DECL, |
| 424 | get_identifier (".offload_var_table")(__builtin_constant_p (".offload_var_table") ? get_identifier_with_length ((".offload_var_table"), strlen (".offload_var_table")) : get_identifier (".offload_var_table")), |
| 425 | vars_decl_type); |
| 426 | TREE_STATIC (funcs_decl)((funcs_decl)->base.static_flag) = TREE_STATIC (vars_decl)((vars_decl)->base.static_flag) = 1; |
| 427 | /* Do not align tables more than TYPE_ALIGN (pointer_sized_int_node), |
| 428 | otherwise a joint table in a binary will contain padding between |
| 429 | tables from multiple object files. */ |
| 430 | DECL_USER_ALIGN (funcs_decl)((contains_struct_check ((funcs_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 430, __FUNCTION__))->base.u.bits.user_align) = DECL_USER_ALIGN (vars_decl)((contains_struct_check ((vars_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 430, __FUNCTION__))->base.u.bits.user_align) = 1; |
| 431 | SET_DECL_ALIGN (funcs_decl, TYPE_ALIGN (funcs_decl_type))(((contains_struct_check ((funcs_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 431, __FUNCTION__))->decl_common.align) = ffs_hwi (((tree_class_check ((funcs_decl_type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 431, __FUNCTION__))->type_common.align ? ((unsigned)1) << ((funcs_decl_type)->type_common.align - 1) : 0))); |
| 432 | SET_DECL_ALIGN (vars_decl, TYPE_ALIGN (vars_decl_type))(((contains_struct_check ((vars_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 432, __FUNCTION__))->decl_common.align) = ffs_hwi (((tree_class_check ((vars_decl_type), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 432, __FUNCTION__))->type_common.align ? ((unsigned)1) << ((vars_decl_type)->type_common.align - 1) : 0))); |
| 433 | DECL_INITIAL (funcs_decl)((contains_struct_check ((funcs_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 433, __FUNCTION__))->decl_common.initial) = ctor_f; |
| 434 | DECL_INITIAL (vars_decl)((contains_struct_check ((vars_decl), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 434, __FUNCTION__))->decl_common.initial) = ctor_v; |
| 435 | set_decl_section_name (funcs_decl, OFFLOAD_FUNC_TABLE_SECTION_NAME".gnu.offload_funcs"); |
| 436 | set_decl_section_name (vars_decl, OFFLOAD_VAR_TABLE_SECTION_NAME".gnu.offload_vars"); |
| 437 | |
| 438 | varpool_node::finalize_decl (vars_decl); |
| 439 | varpool_node::finalize_decl (funcs_decl); |
| 440 | } |
| 441 | else |
| 442 | { |
| 443 | for (unsigned i = 0; i < num_funcs; i++) |
| 444 | { |
| 445 | tree it = (*offload_funcs)[i]; |
| 446 | /* See also add_decls_addresses_to_decl_constructor |
| 447 | and output_offload_tables in lto-cgraph.c. */ |
| 448 | if (!in_lto_pglobal_options.x_in_lto_p && !symtab_node::get (it)) |
| 449 | continue; |
| 450 | targetm.record_offload_symbol (it); |
| 451 | } |
| 452 | for (unsigned i = 0; i < num_vars; i++) |
| 453 | { |
| 454 | tree it = (*offload_vars)[i]; |
| 455 | if (!in_lto_pglobal_options.x_in_lto_p && !symtab_node::get (it)) |
| 456 | continue; |
| 457 | #ifdef ACCEL_COMPILER |
| 458 | if (DECL_HAS_VALUE_EXPR_P (it)((tree_check3 ((it), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 458, __FUNCTION__, (VAR_DECL), (PARM_DECL), (RESULT_DECL))) ->decl_common.decl_flag_2) |
| 459 | && lookup_attribute ("omp declare target link", |
| 460 | DECL_ATTRIBUTES (it)((contains_struct_check ((it), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 460, __FUNCTION__))->decl_common.attributes))) |
| 461 | { |
| 462 | tree value_expr = DECL_VALUE_EXPR (it)(decl_value_expr_lookup ((contains_struct_check ((it), (TS_DECL_WRTL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 462, __FUNCTION__)))); |
| 463 | tree link_ptr_decl = TREE_OPERAND (value_expr, 0)(*((const_cast<tree*> (tree_operand_check ((value_expr) , (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 463, __FUNCTION__))))); |
| 464 | targetm.record_offload_symbol (link_ptr_decl); |
| 465 | varpool_node::finalize_decl (link_ptr_decl); |
| 466 | } |
| 467 | else |
| 468 | #endif |
| 469 | targetm.record_offload_symbol (it); |
| 470 | } |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | /* Call dim_pos (POS == true) or dim_size (POS == false) builtins for |
| 475 | axis DIM. Return a tmp var holding the result. */ |
| 476 | |
| 477 | static tree |
| 478 | oacc_dim_call (bool pos, int dim, gimple_seq *seq) |
| 479 | { |
| 480 | tree arg = build_int_cst (unsigned_type_nodeinteger_types[itk_unsigned_int], dim); |
| 481 | tree size = create_tmp_var (integer_type_nodeinteger_types[itk_int]); |
| 482 | enum internal_fn fn = pos ? IFN_GOACC_DIM_POS : IFN_GOACC_DIM_SIZE; |
| 483 | gimple *call = gimple_build_call_internal (fn, 1, arg); |
| 484 | |
| 485 | gimple_call_set_lhs (call, size); |
| 486 | gimple_seq_add_stmt (seq, call); |
| 487 | |
| 488 | return size; |
| 489 | } |
| 490 | |
| 491 | /* Find the number of threads (POS = false), or thread number (POS = |
| 492 | true) for an OpenACC region partitioned as MASK. Setup code |
| 493 | required for the calculation is added to SEQ. */ |
| 494 | |
| 495 | static tree |
| 496 | oacc_thread_numbers (bool pos, int mask, gimple_seq *seq) |
| 497 | { |
| 498 | tree res = pos ? NULL_TREE(tree) __null : build_int_cst (unsigned_type_nodeinteger_types[itk_unsigned_int], 1); |
| 499 | unsigned ix; |
| 500 | |
| 501 | /* Start at gang level, and examine relevant dimension indices. */ |
| 502 | for (ix = GOMP_DIM_GANG0; ix != GOMP_DIM_MAX3; ix++) |
| 503 | if (GOMP_DIM_MASK (ix)(1u << (ix)) & mask) |
| 504 | { |
| 505 | if (res) |
| 506 | { |
| 507 | /* We had an outer index, so scale that by the size of |
| 508 | this dimension. */ |
| 509 | tree n = oacc_dim_call (false, ix, seq); |
| 510 | res = fold_build2 (MULT_EXPR, integer_type_node, res, n)fold_build2_loc (((location_t) 0), MULT_EXPR, integer_types[itk_int ], res, n ); |
| 511 | } |
| 512 | if (pos) |
| 513 | { |
| 514 | /* Determine index in this dimension. */ |
| 515 | tree id = oacc_dim_call (true, ix, seq); |
| 516 | if (res) |
| 517 | res = fold_build2 (PLUS_EXPR, integer_type_node, res, id)fold_build2_loc (((location_t) 0), PLUS_EXPR, integer_types[itk_int ], res, id ); |
| 518 | else |
| 519 | res = id; |
| 520 | } |
| 521 | } |
| 522 | |
| 523 | if (res == NULL_TREE(tree) __null) |
| 524 | res = integer_zero_nodeglobal_trees[TI_INTEGER_ZERO]; |
| 525 | |
| 526 | return res; |
| 527 | } |
| 528 | |
| 529 | /* Transform IFN_GOACC_LOOP calls to actual code. See |
| 530 | expand_oacc_for for where these are generated. At the vector |
| 531 | level, we stride loops, such that each member of a warp will |
| 532 | operate on adjacent iterations. At the worker and gang level, |
| 533 | each gang/warp executes a set of contiguous iterations. Chunking |
| 534 | can override this such that each iteration engine executes a |
| 535 | contiguous chunk, and then moves on to stride to the next chunk. */ |
| 536 | |
| 537 | static void |
| 538 | oacc_xform_loop (gcall *call) |
| 539 | { |
| 540 | gimple_stmt_iterator gsi = gsi_for_stmt (call); |
| 541 | enum ifn_goacc_loop_kind code |
| 542 | = (enum ifn_goacc_loop_kind) TREE_INT_CST_LOW (gimple_call_arg (call, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( call, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 542, __FUNCTION__))); |
| 543 | tree dir = gimple_call_arg (call, 1); |
| 544 | tree range = gimple_call_arg (call, 2); |
| 545 | tree step = gimple_call_arg (call, 3); |
| 546 | tree chunk_size = NULL_TREE(tree) __null; |
| 547 | unsigned mask = (unsigned) TREE_INT_CST_LOW (gimple_call_arg (call, 5))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( call, 5)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 547, __FUNCTION__))); |
| 548 | tree lhs = gimple_call_lhs (call); |
| 549 | tree type = NULL_TREE(tree) __null; |
| 550 | tree diff_type = TREE_TYPE (range)((contains_struct_check ((range), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 550, __FUNCTION__))->typed.type); |
| 551 | tree r = NULL_TREE(tree) __null; |
| 552 | gimple_seq seq = NULL__null; |
| 553 | bool chunking = false, striding = true; |
| 554 | unsigned outer_mask = mask & (~mask + 1); // Outermost partitioning |
| 555 | unsigned inner_mask = mask & ~outer_mask; // Inner partitioning (if any) |
| 556 | |
| 557 | /* Skip lowering if return value of IFN_GOACC_LOOP call is not used. */ |
| 558 | if (!lhs) |
| 559 | { |
| 560 | gsi_replace_with_seq (&gsi, seq, true); |
| 561 | return; |
| 562 | } |
| 563 | |
| 564 | type = TREE_TYPE (lhs)((contains_struct_check ((lhs), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 564, __FUNCTION__))->typed.type); |
| 565 | |
| 566 | #ifdef ACCEL_COMPILER |
| 567 | chunk_size = gimple_call_arg (call, 4); |
| 568 | if (integer_minus_onep (chunk_size) /* Force static allocation. */ |
| 569 | || integer_zerop (chunk_size)) /* Default (also static). */ |
| 570 | { |
| 571 | /* If we're at the gang level, we want each to execute a |
| 572 | contiguous run of iterations. Otherwise we want each element |
| 573 | to stride. */ |
| 574 | striding = !(outer_mask & GOMP_DIM_MASK (GOMP_DIM_GANG)(1u << (0))); |
| 575 | chunking = false; |
| 576 | } |
| 577 | else |
| 578 | { |
| 579 | /* Chunk of size 1 is striding. */ |
| 580 | striding = integer_onep (chunk_size); |
| 581 | chunking = !striding; |
| 582 | } |
| 583 | #endif |
| 584 | |
| 585 | /* striding=true, chunking=true |
| 586 | -> invalid. |
| 587 | striding=true, chunking=false |
| 588 | -> chunks=1 |
| 589 | striding=false,chunking=true |
| 590 | -> chunks=ceil (range/(chunksize*threads*step)) |
| 591 | striding=false,chunking=false |
| 592 | -> chunk_size=ceil(range/(threads*step)),chunks=1 */ |
| 593 | push_gimplify_context (true); |
| 594 | |
| 595 | switch (code) |
| 596 | { |
| 597 | default: gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 597, __FUNCTION__)); |
| 598 | |
| 599 | case IFN_GOACC_LOOP_CHUNKS: |
| 600 | if (!chunking) |
| 601 | r = build_int_cst (type, 1); |
| 602 | else |
| 603 | { |
| 604 | /* chunk_max |
| 605 | = (range - dir) / (chunks * step * num_threads) + dir */ |
| 606 | tree per = oacc_thread_numbers (false, mask, &seq); |
| 607 | per = fold_convert (type, per)fold_convert_loc (((location_t) 0), type, per); |
| 608 | chunk_size = fold_convert (type, chunk_size)fold_convert_loc (((location_t) 0), type, chunk_size); |
| 609 | per = fold_build2 (MULT_EXPR, type, per, chunk_size)fold_build2_loc (((location_t) 0), MULT_EXPR, type, per, chunk_size ); |
| 610 | per = fold_build2 (MULT_EXPR, type, per, step)fold_build2_loc (((location_t) 0), MULT_EXPR, type, per, step ); |
| 611 | r = build2 (MINUS_EXPR, type, range, dir); |
| 612 | r = build2 (PLUS_EXPR, type, r, per); |
| 613 | r = build2 (TRUNC_DIV_EXPR, type, r, per); |
| 614 | } |
| 615 | break; |
| 616 | |
| 617 | case IFN_GOACC_LOOP_STEP: |
| 618 | { |
| 619 | /* If striding, step by the entire compute volume, otherwise |
| 620 | step by the inner volume. */ |
| 621 | unsigned volume = striding ? mask : inner_mask; |
| 622 | |
| 623 | r = oacc_thread_numbers (false, volume, &seq); |
| 624 | r = build2 (MULT_EXPR, type, fold_convert (type, r)fold_convert_loc (((location_t) 0), type, r), step); |
| 625 | } |
| 626 | break; |
| 627 | |
| 628 | case IFN_GOACC_LOOP_OFFSET: |
| 629 | /* Enable vectorization on non-SIMT targets. */ |
| 630 | if (!targetm.simt.vf |
| 631 | && outer_mask == GOMP_DIM_MASK (GOMP_DIM_VECTOR)(1u << (2)) |
| 632 | /* If not -fno-tree-loop-vectorize, hint that we want to vectorize |
| 633 | the loop. */ |
| 634 | && (flag_tree_loop_vectorizeglobal_options.x_flag_tree_loop_vectorize |
| 635 | || !global_options_set.x_flag_tree_loop_vectorize)) |
| 636 | { |
| 637 | basic_block bb = gsi_bb (gsi); |
| 638 | class loop *parent = bb->loop_father; |
| 639 | class loop *body = parent->inner; |
| 640 | |
| 641 | parent->force_vectorize = true; |
| 642 | parent->safelen = INT_MAX2147483647; |
| 643 | |
| 644 | /* "Chunking loops" may have inner loops. */ |
| 645 | if (parent->inner) |
| 646 | { |
| 647 | body->force_vectorize = true; |
| 648 | body->safelen = INT_MAX2147483647; |
| 649 | } |
| 650 | |
| 651 | cfun(cfun + 0)->has_force_vectorize_loops = true; |
| 652 | } |
| 653 | if (striding) |
| 654 | { |
| 655 | r = oacc_thread_numbers (true, mask, &seq); |
| 656 | r = fold_convert (diff_type, r)fold_convert_loc (((location_t) 0), diff_type, r); |
| 657 | } |
| 658 | else |
| 659 | { |
| 660 | tree inner_size = oacc_thread_numbers (false, inner_mask, &seq); |
| 661 | tree outer_size = oacc_thread_numbers (false, outer_mask, &seq); |
| 662 | tree volume = fold_build2 (MULT_EXPR, TREE_TYPE (inner_size),fold_build2_loc (((location_t) 0), MULT_EXPR, ((contains_struct_check ((inner_size), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 662, __FUNCTION__))->typed.type), inner_size, outer_size ) |
| 663 | inner_size, outer_size)fold_build2_loc (((location_t) 0), MULT_EXPR, ((contains_struct_check ((inner_size), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 662, __FUNCTION__))->typed.type), inner_size, outer_size ); |
| 664 | |
| 665 | volume = fold_convert (diff_type, volume)fold_convert_loc (((location_t) 0), diff_type, volume); |
| 666 | if (chunking) |
| 667 | chunk_size = fold_convert (diff_type, chunk_size)fold_convert_loc (((location_t) 0), diff_type, chunk_size); |
| 668 | else |
| 669 | { |
| 670 | tree per = fold_build2 (MULT_EXPR, diff_type, volume, step)fold_build2_loc (((location_t) 0), MULT_EXPR, diff_type, volume , step ); |
| 671 | |
| 672 | chunk_size = build2 (MINUS_EXPR, diff_type, range, dir); |
| 673 | chunk_size = build2 (PLUS_EXPR, diff_type, chunk_size, per); |
| 674 | chunk_size = build2 (TRUNC_DIV_EXPR, diff_type, chunk_size, per); |
| 675 | } |
| 676 | |
| 677 | tree span = build2 (MULT_EXPR, diff_type, chunk_size, |
| 678 | fold_convert (diff_type, inner_size)fold_convert_loc (((location_t) 0), diff_type, inner_size)); |
| 679 | r = oacc_thread_numbers (true, outer_mask, &seq); |
| 680 | r = fold_convert (diff_type, r)fold_convert_loc (((location_t) 0), diff_type, r); |
| 681 | r = build2 (MULT_EXPR, diff_type, r, span); |
| 682 | |
| 683 | tree inner = oacc_thread_numbers (true, inner_mask, &seq); |
| 684 | inner = fold_convert (diff_type, inner)fold_convert_loc (((location_t) 0), diff_type, inner); |
| 685 | r = fold_build2 (PLUS_EXPR, diff_type, r, inner)fold_build2_loc (((location_t) 0), PLUS_EXPR, diff_type, r, inner ); |
| 686 | |
| 687 | if (chunking) |
| 688 | { |
| 689 | tree chunk = fold_convert (diff_type, gimple_call_arg (call, 6))fold_convert_loc (((location_t) 0), diff_type, gimple_call_arg (call, 6)); |
| 690 | tree per |
| 691 | = fold_build2 (MULT_EXPR, diff_type, volume, chunk_size)fold_build2_loc (((location_t) 0), MULT_EXPR, diff_type, volume , chunk_size ); |
| 692 | per = build2 (MULT_EXPR, diff_type, per, chunk); |
| 693 | |
| 694 | r = build2 (PLUS_EXPR, diff_type, r, per); |
| 695 | } |
| 696 | } |
| 697 | r = fold_build2 (MULT_EXPR, diff_type, r, step)fold_build2_loc (((location_t) 0), MULT_EXPR, diff_type, r, step ); |
| 698 | if (type != diff_type) |
| 699 | r = fold_convert (type, r)fold_convert_loc (((location_t) 0), type, r); |
| 700 | break; |
| 701 | |
| 702 | case IFN_GOACC_LOOP_BOUND: |
| 703 | if (striding) |
| 704 | r = range; |
| 705 | else |
| 706 | { |
| 707 | tree inner_size = oacc_thread_numbers (false, inner_mask, &seq); |
| 708 | tree outer_size = oacc_thread_numbers (false, outer_mask, &seq); |
| 709 | tree volume = fold_build2 (MULT_EXPR, TREE_TYPE (inner_size),fold_build2_loc (((location_t) 0), MULT_EXPR, ((contains_struct_check ((inner_size), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 709, __FUNCTION__))->typed.type), inner_size, outer_size ) |
| 710 | inner_size, outer_size)fold_build2_loc (((location_t) 0), MULT_EXPR, ((contains_struct_check ((inner_size), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 709, __FUNCTION__))->typed.type), inner_size, outer_size ); |
| 711 | |
| 712 | volume = fold_convert (diff_type, volume)fold_convert_loc (((location_t) 0), diff_type, volume); |
| 713 | if (chunking) |
| 714 | chunk_size = fold_convert (diff_type, chunk_size)fold_convert_loc (((location_t) 0), diff_type, chunk_size); |
| 715 | else |
| 716 | { |
| 717 | tree per = fold_build2 (MULT_EXPR, diff_type, volume, step)fold_build2_loc (((location_t) 0), MULT_EXPR, diff_type, volume , step ); |
| 718 | |
| 719 | chunk_size = build2 (MINUS_EXPR, diff_type, range, dir); |
| 720 | chunk_size = build2 (PLUS_EXPR, diff_type, chunk_size, per); |
| 721 | chunk_size = build2 (TRUNC_DIV_EXPR, diff_type, chunk_size, per); |
| 722 | } |
| 723 | |
| 724 | tree span = build2 (MULT_EXPR, diff_type, chunk_size, |
| 725 | fold_convert (diff_type, inner_size)fold_convert_loc (((location_t) 0), diff_type, inner_size)); |
| 726 | |
| 727 | r = fold_build2 (MULT_EXPR, diff_type, span, step)fold_build2_loc (((location_t) 0), MULT_EXPR, diff_type, span , step ); |
| 728 | |
| 729 | tree offset = gimple_call_arg (call, 6); |
| 730 | r = build2 (PLUS_EXPR, diff_type, r, |
| 731 | fold_convert (diff_type, offset)fold_convert_loc (((location_t) 0), diff_type, offset)); |
| 732 | r = build2 (integer_onep (dir) ? MIN_EXPR : MAX_EXPR, |
| 733 | diff_type, r, range); |
| 734 | } |
| 735 | if (diff_type != type) |
| 736 | r = fold_convert (type, r)fold_convert_loc (((location_t) 0), type, r); |
| 737 | break; |
| 738 | } |
| 739 | |
| 740 | gimplify_assign (lhs, r, &seq); |
| 741 | |
| 742 | pop_gimplify_context (NULL__null); |
| 743 | |
| 744 | gsi_replace_with_seq (&gsi, seq, true); |
| 745 | } |
| 746 | |
| 747 | /* Transform a GOACC_TILE call. Determines the element loop span for |
| 748 | the specified loop of the nest. This is 1 if we're not tiling. |
| 749 | |
| 750 | GOACC_TILE (collapse_count, loop_no, tile_arg, gwv_tile, gwv_element); */ |
| 751 | |
| 752 | static void |
| 753 | oacc_xform_tile (gcall *call) |
| 754 | { |
| 755 | gimple_stmt_iterator gsi = gsi_for_stmt (call); |
| 756 | unsigned collapse = tree_to_uhwi (gimple_call_arg (call, 0)); |
| 757 | /* Inner loops have higher loop_nos. */ |
| 758 | unsigned loop_no = tree_to_uhwi (gimple_call_arg (call, 1)); |
| 759 | tree tile_size = gimple_call_arg (call, 2); |
| 760 | unsigned e_mask = tree_to_uhwi (gimple_call_arg (call, 4)); |
| 761 | tree lhs = gimple_call_lhs (call); |
| 762 | tree type = TREE_TYPE (lhs)((contains_struct_check ((lhs), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 762, __FUNCTION__))->typed.type); |
| 763 | gimple_seq seq = NULL__null; |
| 764 | tree span = build_int_cst (type, 1); |
Value stored to 'span' during its initialization is never read | |
| 765 | |
| 766 | gcc_assert (!(e_mask((void)(!(!(e_mask & ~((1u << (2)) | (1u << ( 1))))) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 768, __FUNCTION__), 0 : 0)) |
| 767 | & ~(GOMP_DIM_MASK (GOMP_DIM_VECTOR)((void)(!(!(e_mask & ~((1u << (2)) | (1u << ( 1))))) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 768, __FUNCTION__), 0 : 0)) |
| 768 | | GOMP_DIM_MASK (GOMP_DIM_WORKER))))((void)(!(!(e_mask & ~((1u << (2)) | (1u << ( 1))))) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 768, __FUNCTION__), 0 : 0)); |
| 769 | push_gimplify_context (!seen_error ()); |
| 770 | |
| 771 | #ifndef ACCEL_COMPILER |
| 772 | /* Partitioning disabled on host compilers. */ |
| 773 | e_mask = 0; |
| 774 | #endif |
| 775 | if (!e_mask) |
| 776 | /* Not paritioning. */ |
| 777 | span = integer_one_nodeglobal_trees[TI_INTEGER_ONE]; |
| 778 | else if (!integer_zerop (tile_size)) |
| 779 | /* User explicitly specified size. */ |
| 780 | span = tile_size; |
| 781 | else |
| 782 | { |
| 783 | /* Pick a size based on the paritioning of the element loop and |
| 784 | the number of loop nests. */ |
| 785 | tree first_size = NULL_TREE(tree) __null; |
| 786 | tree second_size = NULL_TREE(tree) __null; |
| 787 | |
| 788 | if (e_mask & GOMP_DIM_MASK (GOMP_DIM_VECTOR)(1u << (2))) |
| 789 | first_size = oacc_dim_call (false, GOMP_DIM_VECTOR2, &seq); |
| 790 | if (e_mask & GOMP_DIM_MASK (GOMP_DIM_WORKER)(1u << (1))) |
| 791 | second_size = oacc_dim_call (false, GOMP_DIM_WORKER1, &seq); |
| 792 | |
| 793 | if (!first_size) |
| 794 | { |
| 795 | first_size = second_size; |
| 796 | second_size = NULL_TREE(tree) __null; |
| 797 | } |
| 798 | |
| 799 | if (loop_no + 1 == collapse) |
| 800 | { |
| 801 | span = first_size; |
| 802 | if (!loop_no && second_size) |
| 803 | span = fold_build2 (MULT_EXPR, TREE_TYPE (span),fold_build2_loc (((location_t) 0), MULT_EXPR, ((contains_struct_check ((span), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 803, __FUNCTION__))->typed.type), span, second_size ) |
| 804 | span, second_size)fold_build2_loc (((location_t) 0), MULT_EXPR, ((contains_struct_check ((span), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 803, __FUNCTION__))->typed.type), span, second_size ); |
| 805 | } |
| 806 | else if (loop_no + 2 == collapse) |
| 807 | span = second_size; |
| 808 | else |
| 809 | span = NULL_TREE(tree) __null; |
| 810 | |
| 811 | if (!span) |
| 812 | /* There's no obvious element size for this loop. Options |
| 813 | are 1, first_size or some non-unity constant (32 is my |
| 814 | favourite). We should gather some statistics. */ |
| 815 | span = first_size; |
| 816 | } |
| 817 | |
| 818 | span = fold_convert (type, span)fold_convert_loc (((location_t) 0), type, span); |
| 819 | gimplify_assign (lhs, span, &seq); |
| 820 | |
| 821 | pop_gimplify_context (NULL__null); |
| 822 | |
| 823 | gsi_replace_with_seq (&gsi, seq, true); |
| 824 | } |
| 825 | |
| 826 | /* Default partitioned and minimum partitioned dimensions. */ |
| 827 | |
| 828 | static int oacc_default_dims[GOMP_DIM_MAX3]; |
| 829 | static int oacc_min_dims[GOMP_DIM_MAX3]; |
| 830 | |
| 831 | int |
| 832 | oacc_get_default_dim (int dim) |
| 833 | { |
| 834 | gcc_assert (0 <= dim && dim < GOMP_DIM_MAX)((void)(!(0 <= dim && dim < 3) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 834, __FUNCTION__), 0 : 0)); |
| 835 | return oacc_default_dims[dim]; |
| 836 | } |
| 837 | |
| 838 | int |
| 839 | oacc_get_min_dim (int dim) |
| 840 | { |
| 841 | gcc_assert (0 <= dim && dim < GOMP_DIM_MAX)((void)(!(0 <= dim && dim < 3) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 841, __FUNCTION__), 0 : 0)); |
| 842 | return oacc_min_dims[dim]; |
| 843 | } |
| 844 | |
| 845 | /* Parse the default dimension parameter. This is a set of |
| 846 | :-separated optional compute dimensions. Each specified dimension |
| 847 | is a positive integer. When device type support is added, it is |
| 848 | planned to be a comma separated list of such compute dimensions, |
| 849 | with all but the first prefixed by the colon-terminated device |
| 850 | type. */ |
| 851 | |
| 852 | static void |
| 853 | oacc_parse_default_dims (const char *dims) |
| 854 | { |
| 855 | int ix; |
| 856 | |
| 857 | for (ix = GOMP_DIM_MAX3; ix--;) |
| 858 | { |
| 859 | oacc_default_dims[ix] = -1; |
| 860 | oacc_min_dims[ix] = 1; |
| 861 | } |
| 862 | |
| 863 | #ifndef ACCEL_COMPILER |
| 864 | /* Cannot be overridden on the host. */ |
| 865 | dims = NULL__null; |
| 866 | #endif |
| 867 | if (dims) |
| 868 | { |
| 869 | const char *pos = dims; |
| 870 | |
| 871 | for (ix = 0; *pos && ix != GOMP_DIM_MAX3; ix++) |
| 872 | { |
| 873 | if (ix) |
| 874 | { |
| 875 | if (*pos != ':') |
| 876 | goto malformed; |
| 877 | pos++; |
| 878 | } |
| 879 | |
| 880 | if (*pos != ':') |
| 881 | { |
| 882 | long val; |
| 883 | const char *eptr; |
| 884 | |
| 885 | errno(*__errno_location ()) = 0; |
| 886 | val = strtol (pos, CONST_CAST (char **, &eptr)(const_cast<char **> ((&eptr))), 10); |
| 887 | if (errno(*__errno_location ()) || val <= 0 || (int) val != val) |
| 888 | goto malformed; |
| 889 | pos = eptr; |
| 890 | oacc_default_dims[ix] = (int) val; |
| 891 | } |
| 892 | } |
| 893 | if (*pos) |
| 894 | { |
| 895 | malformed: |
| 896 | error_at (UNKNOWN_LOCATION((location_t) 0), |
| 897 | "%<-fopenacc-dim%> operand is malformed at %qs", pos); |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | /* Allow the backend to validate the dimensions. */ |
| 902 | targetm.goacc.validate_dims (NULL_TREE(tree) __null, oacc_default_dims, -1, 0); |
| 903 | targetm.goacc.validate_dims (NULL_TREE(tree) __null, oacc_min_dims, -2, 0); |
| 904 | } |
| 905 | |
| 906 | /* Validate and update the dimensions for offloaded FN. ATTRS is the |
| 907 | raw attribute. DIMS is an array of dimensions, which is filled in. |
| 908 | LEVEL is the partitioning level of a routine, or -1 for an offload |
| 909 | region itself. USED is the mask of partitioned execution in the |
| 910 | function. */ |
| 911 | |
| 912 | static void |
| 913 | oacc_validate_dims (tree fn, tree attrs, int *dims, int level, unsigned used) |
| 914 | { |
| 915 | tree purpose[GOMP_DIM_MAX3]; |
| 916 | unsigned ix; |
| 917 | tree pos = TREE_VALUE (attrs)((tree_check ((attrs), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 917, __FUNCTION__, (TREE_LIST)))->list.value); |
| 918 | |
| 919 | /* Make sure the attribute creator attached the dimension |
| 920 | information. */ |
| 921 | gcc_assert (pos)((void)(!(pos) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 921, __FUNCTION__), 0 : 0)); |
| 922 | |
| 923 | for (ix = 0; ix != GOMP_DIM_MAX3; ix++) |
| 924 | { |
| 925 | purpose[ix] = TREE_PURPOSE (pos)((tree_check ((pos), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 925, __FUNCTION__, (TREE_LIST)))->list.purpose); |
| 926 | tree val = TREE_VALUE (pos)((tree_check ((pos), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 926, __FUNCTION__, (TREE_LIST)))->list.value); |
| 927 | dims[ix] = val ? TREE_INT_CST_LOW (val)((unsigned long) (*tree_int_cst_elt_check ((val), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 927, __FUNCTION__))) : -1; |
| 928 | pos = TREE_CHAIN (pos)((contains_struct_check ((pos), (TS_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 928, __FUNCTION__))->common.chain); |
| 929 | } |
| 930 | |
| 931 | bool changed = targetm.goacc.validate_dims (fn, dims, level, used); |
| 932 | |
| 933 | /* Default anything left to 1 or a partitioned default. */ |
| 934 | for (ix = 0; ix != GOMP_DIM_MAX3; ix++) |
| 935 | if (dims[ix] < 0) |
| 936 | { |
| 937 | /* The OpenACC spec says 'If the [num_gangs] clause is not |
| 938 | specified, an implementation-defined default will be used; |
| 939 | the default may depend on the code within the construct.' |
| 940 | (2.5.6). Thus an implementation is free to choose |
| 941 | non-unity default for a parallel region that doesn't have |
| 942 | any gang-partitioned loops. However, it appears that there |
| 943 | is a sufficient body of user code that expects non-gang |
| 944 | partitioned regions to not execute in gang-redundant mode. |
| 945 | So we (a) don't warn about the non-portability and (b) pick |
| 946 | the minimum permissible dimension size when there is no |
| 947 | partitioned execution. Otherwise we pick the global |
| 948 | default for the dimension, which the user can control. The |
| 949 | same wording and logic applies to num_workers and |
| 950 | vector_length, however the worker- or vector- single |
| 951 | execution doesn't have the same impact as gang-redundant |
| 952 | execution. (If the minimum gang-level partioning is not 1, |
| 953 | the target is probably too confusing.) */ |
| 954 | dims[ix] = (used & GOMP_DIM_MASK (ix)(1u << (ix)) |
| 955 | ? oacc_default_dims[ix] : oacc_min_dims[ix]); |
| 956 | changed = true; |
| 957 | } |
| 958 | |
| 959 | if (changed) |
| 960 | { |
| 961 | /* Replace the attribute with new values. */ |
| 962 | pos = NULL_TREE(tree) __null; |
| 963 | for (ix = GOMP_DIM_MAX3; ix--;) |
| 964 | pos = tree_cons (purpose[ix], |
| 965 | build_int_cst (integer_type_nodeinteger_types[itk_int], dims[ix]), pos); |
| 966 | oacc_replace_fn_attrib (fn, pos); |
| 967 | } |
| 968 | } |
| 969 | |
| 970 | /* Create an empty OpenACC loop structure at LOC. */ |
| 971 | |
| 972 | static oacc_loop * |
| 973 | new_oacc_loop_raw (oacc_loop *parent, location_t loc) |
| 974 | { |
| 975 | oacc_loop *loop = XCNEW (oacc_loop)((oacc_loop *) xcalloc (1, sizeof (oacc_loop))); |
| 976 | |
| 977 | loop->parent = parent; |
| 978 | |
| 979 | if (parent) |
| 980 | { |
| 981 | loop->sibling = parent->child; |
| 982 | parent->child = loop; |
| 983 | } |
| 984 | |
| 985 | loop->loc = loc; |
| 986 | return loop; |
| 987 | } |
| 988 | |
| 989 | /* Create an outermost, dummy OpenACC loop for offloaded function |
| 990 | DECL. */ |
| 991 | |
| 992 | static oacc_loop * |
| 993 | new_oacc_loop_outer (tree decl) |
| 994 | { |
| 995 | return new_oacc_loop_raw (NULL__null, DECL_SOURCE_LOCATION (decl)((contains_struct_check ((decl), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 995, __FUNCTION__))->decl_minimal.locus)); |
| 996 | } |
| 997 | |
| 998 | /* Start a new OpenACC loop structure beginning at head marker HEAD. |
| 999 | Link into PARENT loop. Return the new loop. */ |
| 1000 | |
| 1001 | static oacc_loop * |
| 1002 | new_oacc_loop (oacc_loop *parent, gcall *marker) |
| 1003 | { |
| 1004 | oacc_loop *loop = new_oacc_loop_raw (parent, gimple_location (marker)); |
| 1005 | |
| 1006 | loop->marker = marker; |
| 1007 | |
| 1008 | /* TODO: This is where device_type flattening would occur for the loop |
| 1009 | flags. */ |
| 1010 | |
| 1011 | loop->flags = TREE_INT_CST_LOW (gimple_call_arg (marker, 3))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( marker, 3)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1011, __FUNCTION__))); |
| 1012 | |
| 1013 | tree chunk_size = integer_zero_nodeglobal_trees[TI_INTEGER_ZERO]; |
| 1014 | if (loop->flags & OLF_GANG_STATIC) |
| 1015 | chunk_size = gimple_call_arg (marker, 4); |
| 1016 | loop->chunk_size = chunk_size; |
| 1017 | |
| 1018 | return loop; |
| 1019 | } |
| 1020 | |
| 1021 | /* Create a dummy loop encompassing a call to a openACC routine. |
| 1022 | Extract the routine's partitioning requirements. */ |
| 1023 | |
| 1024 | static void |
| 1025 | new_oacc_loop_routine (oacc_loop *parent, gcall *call, tree decl, tree attrs) |
| 1026 | { |
| 1027 | oacc_loop *loop = new_oacc_loop_raw (parent, gimple_location (call)); |
| 1028 | int level = oacc_fn_attrib_level (attrs); |
| 1029 | |
| 1030 | gcc_assert (level >= 0)((void)(!(level >= 0) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1030, __FUNCTION__), 0 : 0)); |
| 1031 | |
| 1032 | loop->marker = call; |
| 1033 | loop->routine = decl; |
| 1034 | loop->mask = ((GOMP_DIM_MASK (GOMP_DIM_MAX)(1u << (3)) - 1) |
| 1035 | ^ (GOMP_DIM_MASK (level)(1u << (level)) - 1)); |
| 1036 | } |
| 1037 | |
| 1038 | /* Finish off the current OpenACC loop ending at tail marker TAIL. |
| 1039 | Return the parent loop. */ |
| 1040 | |
| 1041 | static oacc_loop * |
| 1042 | finish_oacc_loop (oacc_loop *loop) |
| 1043 | { |
| 1044 | /* If the loop has been collapsed, don't partition it. */ |
| 1045 | if (loop->ifns.is_empty ()) |
| 1046 | loop->mask = loop->flags = 0; |
| 1047 | return loop->parent; |
| 1048 | } |
| 1049 | |
| 1050 | /* Free all OpenACC loop structures within LOOP (inclusive). */ |
| 1051 | |
| 1052 | static void |
| 1053 | free_oacc_loop (oacc_loop *loop) |
| 1054 | { |
| 1055 | if (loop->sibling) |
| 1056 | free_oacc_loop (loop->sibling); |
| 1057 | if (loop->child) |
| 1058 | free_oacc_loop (loop->child); |
| 1059 | |
| 1060 | loop->ifns.release (); |
| 1061 | free (loop); |
| 1062 | } |
| 1063 | |
| 1064 | /* Dump out the OpenACC loop head or tail beginning at FROM. */ |
| 1065 | |
| 1066 | static void |
| 1067 | dump_oacc_loop_part (FILE *file, gcall *from, int depth, |
| 1068 | const char *title, int level) |
| 1069 | { |
| 1070 | enum ifn_unique_kind kind |
| 1071 | = (enum ifn_unique_kind) TREE_INT_CST_LOW (gimple_call_arg (from, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( from, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1071, __FUNCTION__))); |
| 1072 | |
| 1073 | fprintf (file, "%*s%s-%d:\n", depth * 2, "", title, level); |
| 1074 | for (gimple_stmt_iterator gsi = gsi_for_stmt (from);;) |
| 1075 | { |
| 1076 | gimple *stmt = gsi_stmt (gsi); |
| 1077 | |
| 1078 | if (gimple_call_internal_p (stmt, IFN_UNIQUE)) |
| 1079 | { |
| 1080 | enum ifn_unique_kind k |
| 1081 | = ((enum ifn_unique_kind) TREE_INT_CST_LOW((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( stmt, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1082, __FUNCTION__))) |
| 1082 | (gimple_call_arg (stmt, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( stmt, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1082, __FUNCTION__)))); |
| 1083 | |
| 1084 | if (k == kind && stmt != from) |
| 1085 | break; |
| 1086 | } |
| 1087 | print_gimple_stmt (file, stmt, depth * 2 + 2); |
| 1088 | |
| 1089 | gsi_next (&gsi); |
| 1090 | while (gsi_end_p (gsi)) |
| 1091 | gsi = gsi_start_bb (single_succ (gsi_bb (gsi))); |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | /* Dump OpenACC loop LOOP, its children, and its siblings. */ |
| 1096 | |
| 1097 | static void |
| 1098 | dump_oacc_loop (FILE *file, oacc_loop *loop, int depth) |
| 1099 | { |
| 1100 | int ix; |
| 1101 | |
| 1102 | fprintf (file, "%*sLoop %x(%x) %s:%u\n", depth * 2, "", |
| 1103 | loop->flags, loop->mask, |
| 1104 | LOCATION_FILE (loop->loc)((expand_location (loop->loc)).file), LOCATION_LINE (loop->loc)((expand_location (loop->loc)).line)); |
| 1105 | |
| 1106 | if (loop->marker) |
| 1107 | print_gimple_stmt (file, loop->marker, depth * 2); |
| 1108 | |
| 1109 | if (loop->routine) |
| 1110 | fprintf (file, "%*sRoutine %s:%u:%s\n", |
| 1111 | depth * 2, "", DECL_SOURCE_FILE (loop->routine)((expand_location (((contains_struct_check ((loop->routine ), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1111, __FUNCTION__))->decl_minimal.locus))).file), |
| 1112 | DECL_SOURCE_LINE (loop->routine)((expand_location (((contains_struct_check ((loop->routine ), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1112, __FUNCTION__))->decl_minimal.locus))).line), |
| 1113 | IDENTIFIER_POINTER (DECL_NAME (loop->routine))((const char *) (tree_check ((((contains_struct_check ((loop-> routine), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1113, __FUNCTION__))->decl_minimal.name)), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1113, __FUNCTION__, (IDENTIFIER_NODE)))->identifier.id.str )); |
| 1114 | |
| 1115 | for (ix = GOMP_DIM_GANG0; ix != GOMP_DIM_MAX3; ix++) |
| 1116 | if (loop->heads[ix]) |
| 1117 | dump_oacc_loop_part (file, loop->heads[ix], depth, "Head", ix); |
| 1118 | for (ix = GOMP_DIM_MAX3; ix--;) |
| 1119 | if (loop->tails[ix]) |
| 1120 | dump_oacc_loop_part (file, loop->tails[ix], depth, "Tail", ix); |
| 1121 | |
| 1122 | if (loop->child) |
| 1123 | dump_oacc_loop (file, loop->child, depth + 1); |
| 1124 | if (loop->sibling) |
| 1125 | dump_oacc_loop (file, loop->sibling, depth); |
| 1126 | } |
| 1127 | |
| 1128 | void debug_oacc_loop (oacc_loop *); |
| 1129 | |
| 1130 | /* Dump loops to stderr. */ |
| 1131 | |
| 1132 | DEBUG_FUNCTION__attribute__ ((__used__)) void |
| 1133 | debug_oacc_loop (oacc_loop *loop) |
| 1134 | { |
| 1135 | dump_oacc_loop (stderrstderr, loop, 0); |
| 1136 | } |
| 1137 | |
| 1138 | /* Provide diagnostics on OpenACC loop LOOP, its children, and its |
| 1139 | siblings. */ |
| 1140 | |
| 1141 | static void |
| 1142 | inform_oacc_loop (const oacc_loop *loop) |
| 1143 | { |
| 1144 | const char *gang |
| 1145 | = loop->mask & GOMP_DIM_MASK (GOMP_DIM_GANG)(1u << (0)) ? " gang" : ""; |
| 1146 | const char *worker |
| 1147 | = loop->mask & GOMP_DIM_MASK (GOMP_DIM_WORKER)(1u << (1)) ? " worker" : ""; |
| 1148 | const char *vector |
| 1149 | = loop->mask & GOMP_DIM_MASK (GOMP_DIM_VECTOR)(1u << (2)) ? " vector" : ""; |
| 1150 | const char *seq = loop->mask == 0 ? " seq" : ""; |
| 1151 | const dump_user_location_t loc |
| 1152 | = dump_user_location_t::from_location_t (loop->loc); |
| 1153 | dump_printf_loc (MSG_OPTIMIZED_LOCATIONS, loc, |
| 1154 | "assigned OpenACC%s%s%s%s loop parallelism\n", gang, worker, |
| 1155 | vector, seq); |
| 1156 | |
| 1157 | if (loop->child) |
| 1158 | inform_oacc_loop (loop->child); |
| 1159 | if (loop->sibling) |
| 1160 | inform_oacc_loop (loop->sibling); |
| 1161 | } |
| 1162 | |
| 1163 | /* DFS walk of basic blocks BB onwards, creating OpenACC loop |
| 1164 | structures as we go. By construction these loops are properly |
| 1165 | nested. */ |
| 1166 | |
| 1167 | static void |
| 1168 | oacc_loop_discover_walk (oacc_loop *loop, basic_block bb) |
| 1169 | { |
| 1170 | int marker = 0; |
| 1171 | int remaining = 0; |
| 1172 | |
| 1173 | if (bb->flags & BB_VISITED) |
| 1174 | return; |
| 1175 | |
| 1176 | follow: |
| 1177 | bb->flags |= BB_VISITED; |
| 1178 | |
| 1179 | /* Scan for loop markers. */ |
| 1180 | for (gimple_stmt_iterator gsi = gsi_start_bb (bb); !gsi_end_p (gsi); |
| 1181 | gsi_next (&gsi)) |
| 1182 | { |
| 1183 | gimple *stmt = gsi_stmt (gsi); |
| 1184 | |
| 1185 | if (!is_gimple_call (stmt)) |
| 1186 | continue; |
| 1187 | |
| 1188 | gcall *call = as_a <gcall *> (stmt); |
| 1189 | |
| 1190 | /* If this is a routine, make a dummy loop for it. */ |
| 1191 | if (tree decl = gimple_call_fndecl (call)) |
| 1192 | if (tree attrs = oacc_get_fn_attrib (decl)) |
| 1193 | { |
| 1194 | gcc_assert (!marker)((void)(!(!marker) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1194, __FUNCTION__), 0 : 0)); |
| 1195 | new_oacc_loop_routine (loop, call, decl, attrs); |
| 1196 | } |
| 1197 | |
| 1198 | if (!gimple_call_internal_p (call)) |
| 1199 | continue; |
| 1200 | |
| 1201 | switch (gimple_call_internal_fn (call)) |
| 1202 | { |
| 1203 | default: |
| 1204 | break; |
| 1205 | |
| 1206 | case IFN_GOACC_LOOP: |
| 1207 | case IFN_GOACC_TILE: |
| 1208 | /* Record the abstraction function, so we can manipulate it |
| 1209 | later. */ |
| 1210 | loop->ifns.safe_push (call); |
| 1211 | break; |
| 1212 | |
| 1213 | case IFN_UNIQUE: |
| 1214 | enum ifn_unique_kind kind |
| 1215 | = (enum ifn_unique_kind) (TREE_INT_CST_LOW((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( call, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1216, __FUNCTION__))) |
| 1216 | (gimple_call_arg (call, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( call, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1216, __FUNCTION__)))); |
| 1217 | if (kind == IFN_UNIQUE_OACC_HEAD_MARK |
| 1218 | || kind == IFN_UNIQUE_OACC_TAIL_MARK) |
| 1219 | { |
| 1220 | if (gimple_call_num_args (call) == 2) |
| 1221 | { |
| 1222 | gcc_assert (marker && !remaining)((void)(!(marker && !remaining) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1222, __FUNCTION__), 0 : 0)); |
| 1223 | marker = 0; |
| 1224 | if (kind == IFN_UNIQUE_OACC_TAIL_MARK) |
| 1225 | loop = finish_oacc_loop (loop); |
| 1226 | else |
| 1227 | loop->head_end = call; |
| 1228 | } |
| 1229 | else |
| 1230 | { |
| 1231 | int count = TREE_INT_CST_LOW (gimple_call_arg (call, 2))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( call, 2)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1231, __FUNCTION__))); |
| 1232 | |
| 1233 | if (!marker) |
| 1234 | { |
| 1235 | if (kind == IFN_UNIQUE_OACC_HEAD_MARK) |
| 1236 | loop = new_oacc_loop (loop, call); |
| 1237 | remaining = count; |
| 1238 | } |
| 1239 | gcc_assert (count == remaining)((void)(!(count == remaining) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1239, __FUNCTION__), 0 : 0)); |
| 1240 | if (remaining) |
| 1241 | { |
| 1242 | remaining--; |
| 1243 | if (kind == IFN_UNIQUE_OACC_HEAD_MARK) |
| 1244 | loop->heads[marker] = call; |
| 1245 | else |
| 1246 | loop->tails[remaining] = call; |
| 1247 | } |
| 1248 | marker++; |
| 1249 | } |
| 1250 | } |
| 1251 | } |
| 1252 | } |
| 1253 | if (remaining || marker) |
| 1254 | { |
| 1255 | bb = single_succ (bb); |
| 1256 | gcc_assert (single_pred_p (bb) && !(bb->flags & BB_VISITED))((void)(!(single_pred_p (bb) && !(bb->flags & BB_VISITED )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1256, __FUNCTION__), 0 : 0)); |
| 1257 | goto follow; |
| 1258 | } |
| 1259 | |
| 1260 | /* Walk successor blocks. */ |
| 1261 | edge e; |
| 1262 | edge_iterator ei; |
| 1263 | |
| 1264 | FOR_EACH_EDGE (e, ei, bb->succs)for ((ei) = ei_start_1 (&((bb->succs))); ei_cond ((ei) , &(e)); ei_next (&(ei))) |
| 1265 | oacc_loop_discover_walk (loop, e->dest); |
| 1266 | } |
| 1267 | |
| 1268 | /* LOOP is the first sibling. Reverse the order in place and return |
| 1269 | the new first sibling. Recurse to child loops. */ |
| 1270 | |
| 1271 | static oacc_loop * |
| 1272 | oacc_loop_sibling_nreverse (oacc_loop *loop) |
| 1273 | { |
| 1274 | oacc_loop *last = NULL__null; |
| 1275 | do |
| 1276 | { |
| 1277 | if (loop->child) |
| 1278 | loop->child = oacc_loop_sibling_nreverse (loop->child); |
| 1279 | |
| 1280 | oacc_loop *next = loop->sibling; |
| 1281 | loop->sibling = last; |
| 1282 | last = loop; |
| 1283 | loop = next; |
| 1284 | } |
| 1285 | while (loop); |
| 1286 | |
| 1287 | return last; |
| 1288 | } |
| 1289 | |
| 1290 | /* Discover the OpenACC loops marked up by HEAD and TAIL markers for |
| 1291 | the current function. */ |
| 1292 | |
| 1293 | static oacc_loop * |
| 1294 | oacc_loop_discovery () |
| 1295 | { |
| 1296 | /* Clear basic block flags, in particular BB_VISITED which we're going to use |
| 1297 | in the following. */ |
| 1298 | clear_bb_flags (); |
| 1299 | |
| 1300 | oacc_loop *top = new_oacc_loop_outer (current_function_decl); |
| 1301 | oacc_loop_discover_walk (top, ENTRY_BLOCK_PTR_FOR_FN (cfun)(((cfun + 0))->cfg->x_entry_block_ptr)); |
| 1302 | |
| 1303 | /* The siblings were constructed in reverse order, reverse them so |
| 1304 | that diagnostics come out in an unsurprising order. */ |
| 1305 | top = oacc_loop_sibling_nreverse (top); |
| 1306 | |
| 1307 | return top; |
| 1308 | } |
| 1309 | |
| 1310 | /* Transform the abstract internal function markers starting at FROM |
| 1311 | to be for partitioning level LEVEL. Stop when we meet another HEAD |
| 1312 | or TAIL marker. */ |
| 1313 | |
| 1314 | static void |
| 1315 | oacc_loop_xform_head_tail (gcall *from, int level) |
| 1316 | { |
| 1317 | enum ifn_unique_kind kind |
| 1318 | = (enum ifn_unique_kind) TREE_INT_CST_LOW (gimple_call_arg (from, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( from, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1318, __FUNCTION__))); |
| 1319 | tree replacement = build_int_cst (unsigned_type_nodeinteger_types[itk_unsigned_int], level); |
| 1320 | |
| 1321 | for (gimple_stmt_iterator gsi = gsi_for_stmt (from);;) |
| 1322 | { |
| 1323 | gimple *stmt = gsi_stmt (gsi); |
| 1324 | |
| 1325 | if (gimple_call_internal_p (stmt, IFN_UNIQUE)) |
| 1326 | { |
| 1327 | enum ifn_unique_kind k |
| 1328 | = ((enum ifn_unique_kind) |
| 1329 | TREE_INT_CST_LOW (gimple_call_arg (stmt, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( stmt, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1329, __FUNCTION__)))); |
| 1330 | |
| 1331 | if (k == IFN_UNIQUE_OACC_FORK || k == IFN_UNIQUE_OACC_JOIN) |
| 1332 | *gimple_call_arg_ptr (stmt, 2) = replacement; |
| 1333 | else if (k == kind && stmt != from) |
| 1334 | break; |
| 1335 | } |
| 1336 | else if (gimple_call_internal_p (stmt, IFN_GOACC_REDUCTION)) |
| 1337 | *gimple_call_arg_ptr (stmt, 3) = replacement; |
| 1338 | |
| 1339 | gsi_next (&gsi); |
| 1340 | while (gsi_end_p (gsi)) |
| 1341 | gsi = gsi_start_bb (single_succ (gsi_bb (gsi))); |
| 1342 | } |
| 1343 | } |
| 1344 | |
| 1345 | /* Process the discovered OpenACC loops, setting the correct |
| 1346 | partitioning level etc. */ |
| 1347 | |
| 1348 | static void |
| 1349 | oacc_loop_process (oacc_loop *loop) |
| 1350 | { |
| 1351 | if (loop->child) |
| 1352 | oacc_loop_process (loop->child); |
| 1353 | |
| 1354 | if (loop->mask && !loop->routine) |
| 1355 | { |
| 1356 | int ix; |
| 1357 | tree mask_arg = build_int_cst (unsigned_type_nodeinteger_types[itk_unsigned_int], loop->mask); |
| 1358 | tree e_mask_arg = build_int_cst (unsigned_type_nodeinteger_types[itk_unsigned_int], loop->e_mask); |
| 1359 | tree chunk_arg = loop->chunk_size; |
| 1360 | gcall *call; |
| 1361 | |
| 1362 | for (ix = 0; loop->ifns.iterate (ix, &call); ix++) |
| 1363 | switch (gimple_call_internal_fn (call)) |
| 1364 | { |
| 1365 | case IFN_GOACC_LOOP: |
| 1366 | { |
| 1367 | bool is_e = gimple_call_arg (call, 5) == integer_minus_one_nodeglobal_trees[TI_INTEGER_MINUS_ONE]; |
| 1368 | gimple_call_set_arg (call, 5, is_e ? e_mask_arg : mask_arg); |
| 1369 | if (!is_e) |
| 1370 | gimple_call_set_arg (call, 4, chunk_arg); |
| 1371 | } |
| 1372 | break; |
| 1373 | |
| 1374 | case IFN_GOACC_TILE: |
| 1375 | gimple_call_set_arg (call, 3, mask_arg); |
| 1376 | gimple_call_set_arg (call, 4, e_mask_arg); |
| 1377 | break; |
| 1378 | |
| 1379 | default: |
| 1380 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1380, __FUNCTION__)); |
| 1381 | } |
| 1382 | |
| 1383 | unsigned dim = GOMP_DIM_GANG0; |
| 1384 | unsigned mask = loop->mask | loop->e_mask; |
| 1385 | for (ix = 0; ix != GOMP_DIM_MAX3 && mask; ix++) |
| 1386 | { |
| 1387 | while (!(GOMP_DIM_MASK (dim)(1u << (dim)) & mask)) |
| 1388 | dim++; |
| 1389 | |
| 1390 | oacc_loop_xform_head_tail (loop->heads[ix], dim); |
| 1391 | oacc_loop_xform_head_tail (loop->tails[ix], dim); |
| 1392 | |
| 1393 | mask ^= GOMP_DIM_MASK (dim)(1u << (dim)); |
| 1394 | } |
| 1395 | } |
| 1396 | |
| 1397 | if (loop->sibling) |
| 1398 | oacc_loop_process (loop->sibling); |
| 1399 | } |
| 1400 | |
| 1401 | /* Walk the OpenACC loop heirarchy checking and assigning the |
| 1402 | programmer-specified partitionings. OUTER_MASK is the partitioning |
| 1403 | this loop is contained within. Return mask of partitioning |
| 1404 | encountered. If any auto loops are discovered, set GOMP_DIM_MAX |
| 1405 | bit. */ |
| 1406 | |
| 1407 | static unsigned |
| 1408 | oacc_loop_fixed_partitions (oacc_loop *loop, unsigned outer_mask) |
| 1409 | { |
| 1410 | unsigned this_mask = loop->mask; |
| 1411 | unsigned mask_all = 0; |
| 1412 | bool noisy = true; |
| 1413 | |
| 1414 | #ifdef ACCEL_COMPILER |
| 1415 | /* When device_type is supported, we want the device compiler to be |
| 1416 | noisy, if the loop parameters are device_type-specific. */ |
| 1417 | noisy = false; |
| 1418 | #endif |
| 1419 | |
| 1420 | if (!loop->routine) |
| 1421 | { |
| 1422 | bool auto_par = (loop->flags & OLF_AUTO) != 0; |
| 1423 | bool seq_par = (loop->flags & OLF_SEQ) != 0; |
| 1424 | bool tiling = (loop->flags & OLF_TILE) != 0; |
| 1425 | |
| 1426 | this_mask = ((loop->flags >> OLF_DIM_BASE) |
| 1427 | & (GOMP_DIM_MASK (GOMP_DIM_MAX)(1u << (3)) - 1)); |
| 1428 | |
| 1429 | /* Apply auto partitioning if this is a non-partitioned regular |
| 1430 | loop, or (no more than) single axis tiled loop. */ |
| 1431 | bool maybe_auto |
| 1432 | = !seq_par && this_mask == (tiling ? this_mask & -this_mask : 0); |
| 1433 | |
| 1434 | if ((this_mask != 0) + auto_par + seq_par > 1) |
| 1435 | { |
| 1436 | if (noisy) |
| 1437 | error_at (loop->loc, |
| 1438 | seq_par |
| 1439 | ? G_("%<seq%> overrides other OpenACC loop specifiers")"%<seq%> overrides other OpenACC loop specifiers" |
| 1440 | : G_("%<auto%> conflicts with other OpenACC loop ""%<auto%> conflicts with other OpenACC loop " "specifiers" |
| 1441 | "specifiers")"%<auto%> conflicts with other OpenACC loop " "specifiers"); |
| 1442 | maybe_auto = false; |
| 1443 | loop->flags &= ~OLF_AUTO; |
| 1444 | if (seq_par) |
| 1445 | { |
| 1446 | loop->flags |
| 1447 | &= ~((GOMP_DIM_MASK (GOMP_DIM_MAX)(1u << (3)) - 1) << OLF_DIM_BASE); |
| 1448 | this_mask = 0; |
| 1449 | } |
| 1450 | } |
| 1451 | |
| 1452 | if (maybe_auto && (loop->flags & OLF_INDEPENDENT)) |
| 1453 | { |
| 1454 | loop->flags |= OLF_AUTO; |
| 1455 | mask_all |= GOMP_DIM_MASK (GOMP_DIM_MAX)(1u << (3)); |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | if (this_mask & outer_mask) |
| 1460 | { |
| 1461 | const oacc_loop *outer; |
| 1462 | for (outer = loop->parent; outer; outer = outer->parent) |
| 1463 | if ((outer->mask | outer->e_mask) & this_mask) |
| 1464 | break; |
| 1465 | |
| 1466 | if (noisy) |
| 1467 | { |
| 1468 | if (outer) |
| 1469 | { |
| 1470 | error_at (loop->loc, |
| 1471 | loop->routine |
| 1472 | ? G_("routine call uses same OpenACC parallelism""routine call uses same OpenACC parallelism" " as containing loop" |
| 1473 | " as containing loop")"routine call uses same OpenACC parallelism" " as containing loop" |
| 1474 | : G_("inner loop uses same OpenACC parallelism""inner loop uses same OpenACC parallelism" " as containing loop" |
| 1475 | " as containing loop")"inner loop uses same OpenACC parallelism" " as containing loop"); |
| 1476 | inform (outer->loc, "containing loop here"); |
| 1477 | } |
| 1478 | else |
| 1479 | error_at (loop->loc, |
| 1480 | loop->routine |
| 1481 | ? G_("routine call uses OpenACC parallelism disallowed""routine call uses OpenACC parallelism disallowed" " by containing routine" |
| 1482 | " by containing routine")"routine call uses OpenACC parallelism disallowed" " by containing routine" |
| 1483 | : G_("loop uses OpenACC parallelism disallowed""loop uses OpenACC parallelism disallowed" " by containing routine" |
| 1484 | " by containing routine")"loop uses OpenACC parallelism disallowed" " by containing routine"); |
| 1485 | |
| 1486 | if (loop->routine) |
| 1487 | inform (DECL_SOURCE_LOCATION (loop->routine)((contains_struct_check ((loop->routine), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1487, __FUNCTION__))->decl_minimal.locus), |
| 1488 | "routine %qD declared here", loop->routine); |
| 1489 | } |
| 1490 | this_mask &= ~outer_mask; |
| 1491 | } |
| 1492 | else |
| 1493 | { |
| 1494 | unsigned outermost = least_bit_hwi (this_mask); |
| 1495 | |
| 1496 | if (outermost && outermost <= outer_mask) |
| 1497 | { |
| 1498 | if (noisy) |
| 1499 | { |
| 1500 | error_at (loop->loc, |
| 1501 | "incorrectly nested OpenACC loop parallelism"); |
| 1502 | |
| 1503 | const oacc_loop *outer; |
| 1504 | for (outer = loop->parent; |
| 1505 | outer->flags && outer->flags < outermost; |
| 1506 | outer = outer->parent) |
| 1507 | continue; |
| 1508 | inform (outer->loc, "containing loop here"); |
| 1509 | } |
| 1510 | |
| 1511 | this_mask &= ~outermost; |
| 1512 | } |
| 1513 | } |
| 1514 | |
| 1515 | mask_all |= this_mask; |
| 1516 | |
| 1517 | if (loop->flags & OLF_TILE) |
| 1518 | { |
| 1519 | /* When tiling, vector goes to the element loop, and failing |
| 1520 | that we put worker there. The std doesn't contemplate |
| 1521 | specifying all three. We choose to put worker and vector on |
| 1522 | the element loops in that case. */ |
| 1523 | unsigned this_e_mask = this_mask & GOMP_DIM_MASK (GOMP_DIM_VECTOR)(1u << (2)); |
| 1524 | if (!this_e_mask || this_mask & GOMP_DIM_MASK (GOMP_DIM_GANG)(1u << (0))) |
| 1525 | this_e_mask |= this_mask & GOMP_DIM_MASK (GOMP_DIM_WORKER)(1u << (1)); |
| 1526 | |
| 1527 | loop->e_mask = this_e_mask; |
| 1528 | this_mask ^= this_e_mask; |
| 1529 | } |
| 1530 | |
| 1531 | loop->mask = this_mask; |
| 1532 | |
| 1533 | if (dump_file) |
| 1534 | fprintf (dump_file, "Loop %s:%d user specified %d & %d\n", |
| 1535 | LOCATION_FILE (loop->loc)((expand_location (loop->loc)).file), LOCATION_LINE (loop->loc)((expand_location (loop->loc)).line), |
| 1536 | loop->mask, loop->e_mask); |
| 1537 | |
| 1538 | if (loop->child) |
| 1539 | { |
| 1540 | unsigned tmp_mask = outer_mask | this_mask | loop->e_mask; |
| 1541 | loop->inner = oacc_loop_fixed_partitions (loop->child, tmp_mask); |
| 1542 | mask_all |= loop->inner; |
| 1543 | } |
| 1544 | |
| 1545 | if (loop->sibling) |
| 1546 | mask_all |= oacc_loop_fixed_partitions (loop->sibling, outer_mask); |
| 1547 | |
| 1548 | return mask_all; |
| 1549 | } |
| 1550 | |
| 1551 | /* Walk the OpenACC loop heirarchy to assign auto-partitioned loops. |
| 1552 | OUTER_MASK is the partitioning this loop is contained within. |
| 1553 | OUTER_ASSIGN is true if an outer loop is being auto-partitioned. |
| 1554 | Return the cumulative partitioning used by this loop, siblings and |
| 1555 | children. */ |
| 1556 | |
| 1557 | static unsigned |
| 1558 | oacc_loop_auto_partitions (oacc_loop *loop, unsigned outer_mask, |
| 1559 | bool outer_assign) |
| 1560 | { |
| 1561 | bool assign = (loop->flags & OLF_AUTO) && (loop->flags & OLF_INDEPENDENT); |
| 1562 | bool noisy = true; |
| 1563 | bool tiling = loop->flags & OLF_TILE; |
| 1564 | |
| 1565 | #ifdef ACCEL_COMPILER |
| 1566 | /* When device_type is supported, we want the device compiler to be |
| 1567 | noisy, if the loop parameters are device_type-specific. */ |
| 1568 | noisy = false; |
| 1569 | #endif |
| 1570 | |
| 1571 | if (assign && (!outer_assign || loop->inner)) |
| 1572 | { |
| 1573 | /* Allocate outermost and non-innermost loops at the outermost |
| 1574 | non-innermost available level. */ |
| 1575 | unsigned this_mask = GOMP_DIM_MASK (GOMP_DIM_GANG)(1u << (0)); |
| 1576 | |
| 1577 | /* Find the first outermost available partition. */ |
| 1578 | while (this_mask <= outer_mask) |
| 1579 | this_mask <<= 1; |
| 1580 | |
| 1581 | /* Grab two axes if tiling, and we've not assigned anything */ |
| 1582 | if (tiling && !(loop->mask | loop->e_mask)) |
| 1583 | this_mask |= this_mask << 1; |
| 1584 | |
| 1585 | /* Prohibit the innermost partitioning at the moment. */ |
| 1586 | this_mask &= GOMP_DIM_MASK (GOMP_DIM_MAX - 1)(1u << (3 - 1)) - 1; |
| 1587 | |
| 1588 | /* Don't use any dimension explicitly claimed by an inner loop. */ |
| 1589 | this_mask &= ~loop->inner; |
| 1590 | |
| 1591 | if (tiling && !loop->e_mask) |
| 1592 | { |
| 1593 | /* If we got two axes, allocate the inner one to the element |
| 1594 | loop. */ |
| 1595 | loop->e_mask = this_mask & (this_mask << 1); |
| 1596 | this_mask ^= loop->e_mask; |
| 1597 | } |
| 1598 | |
| 1599 | loop->mask |= this_mask; |
| 1600 | } |
| 1601 | |
| 1602 | if (loop->child) |
| 1603 | { |
| 1604 | unsigned tmp_mask = outer_mask | loop->mask | loop->e_mask; |
| 1605 | loop->inner = oacc_loop_auto_partitions (loop->child, tmp_mask, |
| 1606 | outer_assign | assign); |
| 1607 | } |
| 1608 | |
| 1609 | if (assign && (!loop->mask || (tiling && !loop->e_mask) || !outer_assign)) |
| 1610 | { |
| 1611 | /* Allocate the loop at the innermost available level. Note |
| 1612 | that we do this even if we already assigned this loop the |
| 1613 | outermost available level above. That way we'll partition |
| 1614 | this along 2 axes, if they are available. */ |
| 1615 | unsigned this_mask = 0; |
| 1616 | |
| 1617 | /* Determine the outermost partitioning used within this loop. */ |
| 1618 | this_mask = loop->inner | GOMP_DIM_MASK (GOMP_DIM_MAX)(1u << (3)); |
| 1619 | this_mask = least_bit_hwi (this_mask); |
| 1620 | |
| 1621 | /* Pick the partitioning just inside that one. */ |
| 1622 | this_mask >>= 1; |
| 1623 | |
| 1624 | /* And avoid picking one use by an outer loop. */ |
| 1625 | this_mask &= ~outer_mask; |
| 1626 | |
| 1627 | /* If tiling and we failed completely above, grab the next one |
| 1628 | too. Making sure it doesn't hit an outer loop. */ |
| 1629 | if (tiling) |
| 1630 | { |
| 1631 | this_mask &= ~(loop->e_mask | loop->mask); |
| 1632 | unsigned tile_mask = ((this_mask >> 1) |
| 1633 | & ~(outer_mask | loop->e_mask | loop->mask)); |
| 1634 | |
| 1635 | if (tile_mask || loop->mask) |
| 1636 | { |
| 1637 | loop->e_mask |= this_mask; |
| 1638 | this_mask = tile_mask; |
| 1639 | } |
| 1640 | if (!loop->e_mask && noisy) |
| 1641 | warning_at (loop->loc, 0, |
| 1642 | "insufficient partitioning available" |
| 1643 | " to parallelize element loop"); |
| 1644 | } |
| 1645 | |
| 1646 | loop->mask |= this_mask; |
| 1647 | if (!loop->mask && noisy) |
| 1648 | warning_at (loop->loc, 0, |
| 1649 | tiling |
| 1650 | ? G_("insufficient partitioning available""insufficient partitioning available" " to parallelize tile loop" |
| 1651 | " to parallelize tile loop")"insufficient partitioning available" " to parallelize tile loop" |
| 1652 | : G_("insufficient partitioning available""insufficient partitioning available" " to parallelize loop" |
| 1653 | " to parallelize loop")"insufficient partitioning available" " to parallelize loop"); |
| 1654 | } |
| 1655 | |
| 1656 | if (assign && dump_file) |
| 1657 | fprintf (dump_file, "Auto loop %s:%d assigned %d & %d\n", |
| 1658 | LOCATION_FILE (loop->loc)((expand_location (loop->loc)).file), LOCATION_LINE (loop->loc)((expand_location (loop->loc)).line), |
| 1659 | loop->mask, loop->e_mask); |
| 1660 | |
| 1661 | unsigned inner_mask = 0; |
| 1662 | |
| 1663 | if (loop->sibling) |
| 1664 | inner_mask |= oacc_loop_auto_partitions (loop->sibling, |
| 1665 | outer_mask, outer_assign); |
| 1666 | |
| 1667 | inner_mask |= loop->inner | loop->mask | loop->e_mask; |
| 1668 | |
| 1669 | return inner_mask; |
| 1670 | } |
| 1671 | |
| 1672 | /* Walk the OpenACC loop heirarchy to check and assign partitioning |
| 1673 | axes. Return mask of partitioning. */ |
| 1674 | |
| 1675 | static unsigned |
| 1676 | oacc_loop_partition (oacc_loop *loop, unsigned outer_mask) |
| 1677 | { |
| 1678 | unsigned mask_all = oacc_loop_fixed_partitions (loop, outer_mask); |
| 1679 | |
| 1680 | if (mask_all & GOMP_DIM_MASK (GOMP_DIM_MAX)(1u << (3))) |
| 1681 | { |
| 1682 | mask_all ^= GOMP_DIM_MASK (GOMP_DIM_MAX)(1u << (3)); |
| 1683 | mask_all |= oacc_loop_auto_partitions (loop, outer_mask, false); |
| 1684 | } |
| 1685 | return mask_all; |
| 1686 | } |
| 1687 | |
| 1688 | /* Default fork/join early expander. Delete the function calls if |
| 1689 | there is no RTL expander. */ |
| 1690 | |
| 1691 | bool |
| 1692 | default_goacc_fork_join (gcall *ARG_UNUSED (call)call __attribute__ ((__unused__)), |
| 1693 | const int *ARG_UNUSED (dims)dims __attribute__ ((__unused__)), bool is_fork) |
| 1694 | { |
| 1695 | if (is_fork) |
| 1696 | return targetm.have_oacc_fork (); |
| 1697 | else |
| 1698 | return targetm.have_oacc_join (); |
| 1699 | } |
| 1700 | |
| 1701 | /* Default goacc.reduction early expander. |
| 1702 | |
| 1703 | LHS-opt = IFN_REDUCTION (KIND, RES_PTR, VAR, LEVEL, OP, OFFSET) |
| 1704 | If RES_PTR is not integer-zerop: |
| 1705 | SETUP - emit 'LHS = *RES_PTR', LHS = NULL |
| 1706 | TEARDOWN - emit '*RES_PTR = VAR' |
| 1707 | If LHS is not NULL |
| 1708 | emit 'LHS = VAR' */ |
| 1709 | |
| 1710 | void |
| 1711 | default_goacc_reduction (gcall *call) |
| 1712 | { |
| 1713 | unsigned code = (unsigned)TREE_INT_CST_LOW (gimple_call_arg (call, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( call, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1713, __FUNCTION__))); |
| 1714 | gimple_stmt_iterator gsi = gsi_for_stmt (call); |
| 1715 | tree lhs = gimple_call_lhs (call); |
| 1716 | tree var = gimple_call_arg (call, 2); |
| 1717 | gimple_seq seq = NULL__null; |
| 1718 | |
| 1719 | if (code == IFN_GOACC_REDUCTION_SETUP |
| 1720 | || code == IFN_GOACC_REDUCTION_TEARDOWN) |
| 1721 | { |
| 1722 | /* Setup and Teardown need to copy from/to the receiver object, |
| 1723 | if there is one. */ |
| 1724 | tree ref_to_res = gimple_call_arg (call, 1); |
| 1725 | |
| 1726 | if (!integer_zerop (ref_to_res)) |
| 1727 | { |
| 1728 | tree dst = build_simple_mem_ref (ref_to_res)build_simple_mem_ref_loc (((location_t) 0), ref_to_res); |
| 1729 | tree src = var; |
| 1730 | |
| 1731 | if (code == IFN_GOACC_REDUCTION_SETUP) |
| 1732 | { |
| 1733 | src = dst; |
| 1734 | dst = lhs; |
| 1735 | lhs = NULL__null; |
| 1736 | } |
| 1737 | gimple_seq_add_stmt (&seq, gimple_build_assign (dst, src)); |
| 1738 | } |
| 1739 | } |
| 1740 | |
| 1741 | /* Copy VAR to LHS, if there is an LHS. */ |
| 1742 | if (lhs) |
| 1743 | gimple_seq_add_stmt (&seq, gimple_build_assign (lhs, var)); |
| 1744 | |
| 1745 | gsi_replace_with_seq (&gsi, seq, true); |
| 1746 | } |
| 1747 | |
| 1748 | /* Main entry point for oacc transformations which run on the device |
| 1749 | compiler after LTO, so we know what the target device is at this |
| 1750 | point (including the host fallback). */ |
| 1751 | |
| 1752 | static unsigned int |
| 1753 | execute_oacc_device_lower () |
| 1754 | { |
| 1755 | tree attrs = oacc_get_fn_attrib (current_function_decl); |
| 1756 | |
| 1757 | if (!attrs) |
| 1758 | /* Not an offloaded function. */ |
| 1759 | return 0; |
| 1760 | |
| 1761 | /* Parse the default dim argument exactly once. */ |
| 1762 | if ((const void *)flag_openacc_dimsglobal_options.x_flag_openacc_dims != &flag_openacc_dimsglobal_options.x_flag_openacc_dims) |
| 1763 | { |
| 1764 | oacc_parse_default_dims (flag_openacc_dimsglobal_options.x_flag_openacc_dims); |
| 1765 | flag_openacc_dimsglobal_options.x_flag_openacc_dims = (char *)&flag_openacc_dimsglobal_options.x_flag_openacc_dims; |
| 1766 | } |
| 1767 | |
| 1768 | bool is_oacc_parallel |
| 1769 | = (lookup_attribute ("oacc parallel", |
| 1770 | DECL_ATTRIBUTES (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1770, __FUNCTION__))->decl_common.attributes)) != NULL__null); |
| 1771 | bool is_oacc_kernels |
| 1772 | = (lookup_attribute ("oacc kernels", |
| 1773 | DECL_ATTRIBUTES (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1773, __FUNCTION__))->decl_common.attributes)) != NULL__null); |
| 1774 | bool is_oacc_serial |
| 1775 | = (lookup_attribute ("oacc serial", |
| 1776 | DECL_ATTRIBUTES (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1776, __FUNCTION__))->decl_common.attributes)) != NULL__null); |
| 1777 | bool is_oacc_parallel_kernels_parallelized |
| 1778 | = (lookup_attribute ("oacc parallel_kernels_parallelized", |
| 1779 | DECL_ATTRIBUTES (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1779, __FUNCTION__))->decl_common.attributes)) != NULL__null); |
| 1780 | bool is_oacc_parallel_kernels_gang_single |
| 1781 | = (lookup_attribute ("oacc parallel_kernels_gang_single", |
| 1782 | DECL_ATTRIBUTES (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1782, __FUNCTION__))->decl_common.attributes)) != NULL__null); |
| 1783 | int fn_level = oacc_fn_attrib_level (attrs); |
| 1784 | bool is_oacc_routine = (fn_level >= 0); |
| 1785 | gcc_checking_assert (is_oacc_parallel((void)(!(is_oacc_parallel + is_oacc_kernels + is_oacc_serial + is_oacc_parallel_kernels_parallelized + is_oacc_parallel_kernels_gang_single + is_oacc_routine == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1791, __FUNCTION__), 0 : 0)) |
| 1786 | + is_oacc_kernels((void)(!(is_oacc_parallel + is_oacc_kernels + is_oacc_serial + is_oacc_parallel_kernels_parallelized + is_oacc_parallel_kernels_gang_single + is_oacc_routine == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1791, __FUNCTION__), 0 : 0)) |
| 1787 | + is_oacc_serial((void)(!(is_oacc_parallel + is_oacc_kernels + is_oacc_serial + is_oacc_parallel_kernels_parallelized + is_oacc_parallel_kernels_gang_single + is_oacc_routine == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1791, __FUNCTION__), 0 : 0)) |
| 1788 | + is_oacc_parallel_kernels_parallelized((void)(!(is_oacc_parallel + is_oacc_kernels + is_oacc_serial + is_oacc_parallel_kernels_parallelized + is_oacc_parallel_kernels_gang_single + is_oacc_routine == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1791, __FUNCTION__), 0 : 0)) |
| 1789 | + is_oacc_parallel_kernels_gang_single((void)(!(is_oacc_parallel + is_oacc_kernels + is_oacc_serial + is_oacc_parallel_kernels_parallelized + is_oacc_parallel_kernels_gang_single + is_oacc_routine == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1791, __FUNCTION__), 0 : 0)) |
| 1790 | + is_oacc_routine((void)(!(is_oacc_parallel + is_oacc_kernels + is_oacc_serial + is_oacc_parallel_kernels_parallelized + is_oacc_parallel_kernels_gang_single + is_oacc_routine == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1791, __FUNCTION__), 0 : 0)) |
| 1791 | == 1)((void)(!(is_oacc_parallel + is_oacc_kernels + is_oacc_serial + is_oacc_parallel_kernels_parallelized + is_oacc_parallel_kernels_gang_single + is_oacc_routine == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1791, __FUNCTION__), 0 : 0)); |
| 1792 | |
| 1793 | bool is_oacc_kernels_parallelized |
| 1794 | = (lookup_attribute ("oacc kernels parallelized", |
| 1795 | DECL_ATTRIBUTES (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_COMMON ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1795, __FUNCTION__))->decl_common.attributes)) != NULL__null); |
| 1796 | if (is_oacc_kernels_parallelized) |
| 1797 | gcc_checking_assert (is_oacc_kernels)((void)(!(is_oacc_kernels) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1797, __FUNCTION__), 0 : 0)); |
| 1798 | |
| 1799 | if (dump_file) |
| 1800 | { |
| 1801 | if (is_oacc_parallel) |
| 1802 | fprintf (dump_file, "Function is OpenACC parallel offload\n"); |
| 1803 | else if (is_oacc_kernels) |
| 1804 | fprintf (dump_file, "Function is %s OpenACC kernels offload\n", |
| 1805 | (is_oacc_kernels_parallelized |
| 1806 | ? "parallelized" : "unparallelized")); |
| 1807 | else if (is_oacc_serial) |
| 1808 | fprintf (dump_file, "Function is OpenACC serial offload\n"); |
| 1809 | else if (is_oacc_parallel_kernels_parallelized) |
| 1810 | fprintf (dump_file, "Function is %s OpenACC kernels offload\n", |
| 1811 | "parallel_kernels_parallelized"); |
| 1812 | else if (is_oacc_parallel_kernels_gang_single) |
| 1813 | fprintf (dump_file, "Function is %s OpenACC kernels offload\n", |
| 1814 | "parallel_kernels_gang_single"); |
| 1815 | else if (is_oacc_routine) |
| 1816 | fprintf (dump_file, "Function is OpenACC routine level %d\n", |
| 1817 | fn_level); |
| 1818 | else |
| 1819 | gcc_unreachable ()(fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1819, __FUNCTION__)); |
| 1820 | } |
| 1821 | |
| 1822 | /* Unparallelized OpenACC kernels constructs must get launched as 1 x 1 x 1 |
| 1823 | kernels, so remove the parallelism dimensions function attributes |
| 1824 | potentially set earlier on. */ |
| 1825 | if (is_oacc_kernels && !is_oacc_kernels_parallelized) |
| 1826 | { |
| 1827 | oacc_set_fn_attrib (current_function_decl, NULL__null, NULL__null); |
| 1828 | attrs = oacc_get_fn_attrib (current_function_decl); |
| 1829 | } |
| 1830 | |
| 1831 | /* Discover, partition and process the loops. */ |
| 1832 | oacc_loop *loops = oacc_loop_discovery (); |
| 1833 | |
| 1834 | unsigned outer_mask = 0; |
| 1835 | if (is_oacc_routine) |
| 1836 | outer_mask = GOMP_DIM_MASK (fn_level)(1u << (fn_level)) - 1; |
| 1837 | unsigned used_mask = oacc_loop_partition (loops, outer_mask); |
| 1838 | /* OpenACC kernels constructs are special: they currently don't use the |
| 1839 | generic oacc_loop infrastructure and attribute/dimension processing. */ |
| 1840 | if (is_oacc_kernels && is_oacc_kernels_parallelized) |
| 1841 | { |
| 1842 | /* Parallelized OpenACC kernels constructs use gang parallelism. See |
| 1843 | also tree-parloops.c:create_parallel_loop. */ |
| 1844 | used_mask |= GOMP_DIM_MASK (GOMP_DIM_GANG)(1u << (0)); |
| 1845 | } |
| 1846 | |
| 1847 | int dims[GOMP_DIM_MAX3]; |
| 1848 | oacc_validate_dims (current_function_decl, attrs, dims, fn_level, used_mask); |
| 1849 | |
| 1850 | if (dump_file) |
| 1851 | { |
| 1852 | const char *comma = "Compute dimensions ["; |
| 1853 | for (int ix = 0; ix != GOMP_DIM_MAX3; ix++, comma = ", ") |
| 1854 | fprintf (dump_file, "%s%d", comma, dims[ix]); |
| 1855 | fprintf (dump_file, "]\n"); |
| 1856 | } |
| 1857 | |
| 1858 | /* Verify that for OpenACC 'kernels' decomposed "gang-single" parts we launch |
| 1859 | a single gang only. */ |
| 1860 | if (is_oacc_parallel_kernels_gang_single) |
| 1861 | gcc_checking_assert (dims[GOMP_DIM_GANG] == 1)((void)(!(dims[0] == 1) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1861, __FUNCTION__), 0 : 0)); |
| 1862 | |
| 1863 | oacc_loop_process (loops); |
| 1864 | if (dump_file) |
| 1865 | { |
| 1866 | fprintf (dump_file, "OpenACC loops\n"); |
| 1867 | dump_oacc_loop (dump_file, loops, 0); |
| 1868 | fprintf (dump_file, "\n"); |
| 1869 | } |
| 1870 | if (dump_enabled_p ()) |
| 1871 | { |
| 1872 | oacc_loop *l = loops; |
| 1873 | /* OpenACC kernels constructs are special: they currently don't use the |
| 1874 | generic oacc_loop infrastructure. */ |
| 1875 | if (is_oacc_kernels) |
| 1876 | { |
| 1877 | /* Create a fake oacc_loop for diagnostic purposes. */ |
| 1878 | l = new_oacc_loop_raw (NULL__null, |
| 1879 | DECL_SOURCE_LOCATION (current_function_decl)((contains_struct_check ((current_function_decl), (TS_DECL_MINIMAL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1879, __FUNCTION__))->decl_minimal.locus)); |
| 1880 | l->mask = used_mask; |
| 1881 | } |
| 1882 | else |
| 1883 | { |
| 1884 | /* Skip the outermost, dummy OpenACC loop */ |
| 1885 | l = l->child; |
| 1886 | } |
| 1887 | if (l) |
| 1888 | inform_oacc_loop (l); |
| 1889 | if (is_oacc_kernels) |
| 1890 | free_oacc_loop (l); |
| 1891 | } |
| 1892 | |
| 1893 | /* Offloaded targets may introduce new basic blocks, which require |
| 1894 | dominance information to update SSA. */ |
| 1895 | calculate_dominance_info (CDI_DOMINATORS); |
| 1896 | |
| 1897 | /* Now lower internal loop functions to target-specific code |
| 1898 | sequences. */ |
| 1899 | basic_block bb; |
| 1900 | FOR_ALL_BB_FN (bb, cfun)for (bb = (((cfun + 0))->cfg->x_entry_block_ptr); bb; bb = bb->next_bb) |
| 1901 | for (gimple_stmt_iterator gsi = gsi_start_bb (bb); !gsi_end_p (gsi);) |
| 1902 | { |
| 1903 | gimple *stmt = gsi_stmt (gsi); |
| 1904 | if (!is_gimple_call (stmt)) |
| 1905 | { |
| 1906 | gsi_next (&gsi); |
| 1907 | continue; |
| 1908 | } |
| 1909 | |
| 1910 | gcall *call = as_a <gcall *> (stmt); |
| 1911 | if (!gimple_call_internal_p (call)) |
| 1912 | { |
| 1913 | gsi_next (&gsi); |
| 1914 | continue; |
| 1915 | } |
| 1916 | |
| 1917 | /* Rewind to allow rescan. */ |
| 1918 | gsi_prev (&gsi); |
| 1919 | bool rescan = false, remove = false; |
| 1920 | enum internal_fn ifn_code = gimple_call_internal_fn (call); |
| 1921 | |
| 1922 | switch (ifn_code) |
| 1923 | { |
| 1924 | default: break; |
| 1925 | |
| 1926 | case IFN_GOACC_TILE: |
| 1927 | oacc_xform_tile (call); |
| 1928 | rescan = true; |
| 1929 | break; |
| 1930 | |
| 1931 | case IFN_GOACC_LOOP: |
| 1932 | oacc_xform_loop (call); |
| 1933 | rescan = true; |
| 1934 | break; |
| 1935 | |
| 1936 | case IFN_GOACC_REDUCTION: |
| 1937 | /* Mark the function for SSA renaming. */ |
| 1938 | mark_virtual_operands_for_renaming (cfun(cfun + 0)); |
| 1939 | |
| 1940 | /* If the level is -1, this ended up being an unused |
| 1941 | axis. Handle as a default. */ |
| 1942 | if (integer_minus_onep (gimple_call_arg (call, 3))) |
| 1943 | default_goacc_reduction (call); |
| 1944 | else |
| 1945 | targetm.goacc.reduction (call); |
| 1946 | rescan = true; |
| 1947 | break; |
| 1948 | |
| 1949 | case IFN_UNIQUE: |
| 1950 | { |
| 1951 | enum ifn_unique_kind kind |
| 1952 | = ((enum ifn_unique_kind) |
| 1953 | TREE_INT_CST_LOW (gimple_call_arg (call, 0))((unsigned long) (*tree_int_cst_elt_check ((gimple_call_arg ( call, 0)), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 1953, __FUNCTION__)))); |
| 1954 | |
| 1955 | switch (kind) |
| 1956 | { |
| 1957 | default: |
| 1958 | break; |
| 1959 | |
| 1960 | case IFN_UNIQUE_OACC_FORK: |
| 1961 | case IFN_UNIQUE_OACC_JOIN: |
| 1962 | if (integer_minus_onep (gimple_call_arg (call, 2))) |
| 1963 | remove = true; |
| 1964 | else if (!targetm.goacc.fork_join |
| 1965 | (call, dims, kind == IFN_UNIQUE_OACC_FORK)) |
| 1966 | remove = true; |
| 1967 | break; |
| 1968 | |
| 1969 | case IFN_UNIQUE_OACC_HEAD_MARK: |
| 1970 | case IFN_UNIQUE_OACC_TAIL_MARK: |
| 1971 | remove = true; |
| 1972 | break; |
| 1973 | } |
| 1974 | break; |
| 1975 | } |
| 1976 | } |
| 1977 | |
| 1978 | if (gsi_end_p (gsi)) |
| 1979 | /* We rewound past the beginning of the BB. */ |
| 1980 | gsi = gsi_start_bb (bb); |
| 1981 | else |
| 1982 | /* Undo the rewind. */ |
| 1983 | gsi_next (&gsi); |
| 1984 | |
| 1985 | if (remove) |
| 1986 | { |
| 1987 | if (gimple_vdef (call)) |
| 1988 | replace_uses_by (gimple_vdef (call), gimple_vuse (call)); |
| 1989 | if (gimple_call_lhs (call)) |
| 1990 | { |
| 1991 | /* Propagate the data dependency var. */ |
| 1992 | gimple *ass = gimple_build_assign (gimple_call_lhs (call), |
| 1993 | gimple_call_arg (call, 1)); |
| 1994 | gsi_replace (&gsi, ass, false); |
| 1995 | } |
| 1996 | else |
| 1997 | gsi_remove (&gsi, true); |
| 1998 | } |
| 1999 | else if (!rescan) |
| 2000 | /* If not rescanning, advance over the call. */ |
| 2001 | gsi_next (&gsi); |
| 2002 | } |
| 2003 | |
| 2004 | free_oacc_loop (loops); |
| 2005 | |
| 2006 | return 0; |
| 2007 | } |
| 2008 | |
| 2009 | /* Default launch dimension validator. Force everything to 1. A |
| 2010 | backend that wants to provide larger dimensions must override this |
| 2011 | hook. */ |
| 2012 | |
| 2013 | bool |
| 2014 | default_goacc_validate_dims (tree ARG_UNUSED (decl)decl __attribute__ ((__unused__)), int *dims, |
| 2015 | int ARG_UNUSED (fn_level)fn_level __attribute__ ((__unused__)), |
| 2016 | unsigned ARG_UNUSED (used)used __attribute__ ((__unused__))) |
| 2017 | { |
| 2018 | bool changed = false; |
| 2019 | |
| 2020 | for (unsigned ix = 0; ix != GOMP_DIM_MAX3; ix++) |
| 2021 | { |
| 2022 | if (dims[ix] != 1) |
| 2023 | { |
| 2024 | dims[ix] = 1; |
| 2025 | changed = true; |
| 2026 | } |
| 2027 | } |
| 2028 | |
| 2029 | return changed; |
| 2030 | } |
| 2031 | |
| 2032 | /* Default dimension bound is unknown on accelerator and 1 on host. */ |
| 2033 | |
| 2034 | int |
| 2035 | default_goacc_dim_limit (int ARG_UNUSED (axis)axis __attribute__ ((__unused__))) |
| 2036 | { |
| 2037 | #ifdef ACCEL_COMPILER |
| 2038 | return 0; |
| 2039 | #else |
| 2040 | return 1; |
| 2041 | #endif |
| 2042 | } |
| 2043 | |
| 2044 | namespace { |
| 2045 | |
| 2046 | const pass_data pass_data_oacc_device_lower = |
| 2047 | { |
| 2048 | GIMPLE_PASS, /* type */ |
| 2049 | "oaccdevlow", /* name */ |
| 2050 | OPTGROUP_OMP, /* optinfo_flags */ |
| 2051 | TV_NONE, /* tv_id */ |
| 2052 | PROP_cfg(1 << 3), /* properties_required */ |
| 2053 | 0 /* Possibly PROP_gimple_eomp. */, /* properties_provided */ |
| 2054 | 0, /* properties_destroyed */ |
| 2055 | 0, /* todo_flags_start */ |
| 2056 | TODO_update_ssa(1 << 11) | TODO_cleanup_cfg(1 << 5), /* todo_flags_finish */ |
| 2057 | }; |
| 2058 | |
| 2059 | class pass_oacc_device_lower : public gimple_opt_pass |
| 2060 | { |
| 2061 | public: |
| 2062 | pass_oacc_device_lower (gcc::context *ctxt) |
| 2063 | : gimple_opt_pass (pass_data_oacc_device_lower, ctxt) |
| 2064 | {} |
| 2065 | |
| 2066 | /* opt_pass methods: */ |
| 2067 | virtual bool gate (function *) { return flag_openaccglobal_options.x_flag_openacc; }; |
| 2068 | |
| 2069 | virtual unsigned int execute (function *) |
| 2070 | { |
| 2071 | return execute_oacc_device_lower (); |
| 2072 | } |
| 2073 | |
| 2074 | }; // class pass_oacc_device_lower |
| 2075 | |
| 2076 | } // anon namespace |
| 2077 | |
| 2078 | gimple_opt_pass * |
| 2079 | make_pass_oacc_device_lower (gcc::context *ctxt) |
| 2080 | { |
| 2081 | return new pass_oacc_device_lower (ctxt); |
| 2082 | } |
| 2083 | |
| 2084 | |
| 2085 | /* Rewrite GOMP_SIMT_ENTER_ALLOC call given by GSI and remove the preceding |
| 2086 | GOMP_SIMT_ENTER call identifying the privatized variables, which are |
| 2087 | turned to structure fields and receive a DECL_VALUE_EXPR accordingly. |
| 2088 | Set *REGIMPLIFY to true, except if no privatized variables were seen. */ |
| 2089 | |
| 2090 | static void |
| 2091 | ompdevlow_adjust_simt_enter (gimple_stmt_iterator *gsi, bool *regimplify) |
| 2092 | { |
| 2093 | gimple *alloc_stmt = gsi_stmt (*gsi); |
| 2094 | tree simtrec = gimple_call_lhs (alloc_stmt); |
| 2095 | tree simduid = gimple_call_arg (alloc_stmt, 0); |
| 2096 | gimple *enter_stmt = SSA_NAME_DEF_STMT (simduid)(tree_check ((simduid), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2096, __FUNCTION__, (SSA_NAME)))->ssa_name.def_stmt; |
| 2097 | gcc_assert (gimple_call_internal_p (enter_stmt, IFN_GOMP_SIMT_ENTER))((void)(!(gimple_call_internal_p (enter_stmt, IFN_GOMP_SIMT_ENTER )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2097, __FUNCTION__), 0 : 0)); |
| 2098 | tree rectype = lang_hooks.types.make_type (RECORD_TYPE); |
| 2099 | TYPE_ARTIFICIAL (rectype)((tree_class_check ((rectype), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2099, __FUNCTION__))->base.nowarning_flag) = TYPE_NAMELESS (rectype)((tree_class_check ((rectype), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2099, __FUNCTION__))->base.u.bits.nameless_flag) = 1; |
| 2100 | TREE_ADDRESSABLE (rectype)((rectype)->base.addressable_flag) = 1; |
| 2101 | TREE_TYPE (simtrec)((contains_struct_check ((simtrec), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2101, __FUNCTION__))->typed.type) = build_pointer_type (rectype); |
| 2102 | for (unsigned i = 1; i < gimple_call_num_args (enter_stmt); i++) |
| 2103 | { |
| 2104 | tree *argp = gimple_call_arg_ptr (enter_stmt, i); |
| 2105 | if (*argp == null_pointer_nodeglobal_trees[TI_NULL_POINTER]) |
| 2106 | continue; |
| 2107 | gcc_assert (TREE_CODE (*argp) == ADDR_EXPR((void)(!(((enum tree_code) (*argp)->base.code) == ADDR_EXPR && (((enum tree_code) ((*((const_cast<tree*> ( tree_operand_check ((*argp), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2108, __FUNCTION__))))))->base.code) == VAR_DECL)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2108, __FUNCTION__), 0 : 0)) |
| 2108 | && VAR_P (TREE_OPERAND (*argp, 0)))((void)(!(((enum tree_code) (*argp)->base.code) == ADDR_EXPR && (((enum tree_code) ((*((const_cast<tree*> ( tree_operand_check ((*argp), (0), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2108, __FUNCTION__))))))->base.code) == VAR_DECL)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2108, __FUNCTION__), 0 : 0)); |
| 2109 | tree var = TREE_OPERAND (*argp, 0)(*((const_cast<tree*> (tree_operand_check ((*argp), (0) , "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2109, __FUNCTION__))))); |
| 2110 | |
| 2111 | tree field = build_decl (DECL_SOURCE_LOCATION (var)((contains_struct_check ((var), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2111, __FUNCTION__))->decl_minimal.locus), FIELD_DECL, |
| 2112 | DECL_NAME (var)((contains_struct_check ((var), (TS_DECL_MINIMAL), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2112, __FUNCTION__))->decl_minimal.name), TREE_TYPE (var)((contains_struct_check ((var), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2112, __FUNCTION__))->typed.type)); |
| 2113 | SET_DECL_ALIGN (field, DECL_ALIGN (var))(((contains_struct_check ((field), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2113, __FUNCTION__))->decl_common.align) = ffs_hwi ((((contains_struct_check ((var), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2113, __FUNCTION__))->decl_common.align) ? ((unsigned)1) << (((contains_struct_check ((var), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2113, __FUNCTION__))->decl_common.align) - 1) : 0))); |
| 2114 | DECL_USER_ALIGN (field)((contains_struct_check ((field), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2114, __FUNCTION__))->base.u.bits.user_align) = DECL_USER_ALIGN (var)((contains_struct_check ((var), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2114, __FUNCTION__))->base.u.bits.user_align); |
| 2115 | TREE_THIS_VOLATILE (field)((field)->base.volatile_flag) = TREE_THIS_VOLATILE (var)((var)->base.volatile_flag); |
| 2116 | |
| 2117 | insert_field_into_struct (rectype, field); |
| 2118 | |
| 2119 | tree t = build_simple_mem_ref (simtrec)build_simple_mem_ref_loc (((location_t) 0), simtrec); |
| 2120 | t = build3 (COMPONENT_REF, TREE_TYPE (var)((contains_struct_check ((var), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2120, __FUNCTION__))->typed.type), t, field, NULL__null); |
| 2121 | TREE_THIS_VOLATILE (t)((t)->base.volatile_flag) = TREE_THIS_VOLATILE (var)((var)->base.volatile_flag); |
| 2122 | SET_DECL_VALUE_EXPR (var, t)(decl_value_expr_insert ((contains_struct_check ((var), (TS_DECL_WRTL ), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2122, __FUNCTION__)), t)); |
| 2123 | DECL_HAS_VALUE_EXPR_P (var)((tree_check3 ((var), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2123, __FUNCTION__, (VAR_DECL), (PARM_DECL), (RESULT_DECL)) ) ->decl_common.decl_flag_2) = 1; |
| 2124 | *regimplify = true; |
| 2125 | } |
| 2126 | layout_type (rectype); |
| 2127 | tree size = TYPE_SIZE_UNIT (rectype)((tree_class_check ((rectype), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2127, __FUNCTION__))->type_common.size_unit); |
| 2128 | tree align = build_int_cst (TREE_TYPE (size)((contains_struct_check ((size), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2128, __FUNCTION__))->typed.type), TYPE_ALIGN_UNIT (rectype)(((tree_class_check ((rectype), (tcc_type), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2128, __FUNCTION__))->type_common.align ? ((unsigned)1) << ((rectype)->type_common.align - 1) : 0) / (8))); |
| 2129 | |
| 2130 | alloc_stmt |
| 2131 | = gimple_build_call_internal (IFN_GOMP_SIMT_ENTER_ALLOC, 2, size, align); |
| 2132 | gimple_call_set_lhs (alloc_stmt, simtrec); |
| 2133 | gsi_replace (gsi, alloc_stmt, false); |
| 2134 | gimple_stmt_iterator enter_gsi = gsi_for_stmt (enter_stmt); |
| 2135 | enter_stmt = gimple_build_assign (simduid, gimple_call_arg (enter_stmt, 0)); |
| 2136 | gsi_replace (&enter_gsi, enter_stmt, false); |
| 2137 | |
| 2138 | use_operand_p use; |
| 2139 | gimple *exit_stmt; |
| 2140 | if (single_imm_use (simtrec, &use, &exit_stmt)) |
| 2141 | { |
| 2142 | gcc_assert (gimple_call_internal_p (exit_stmt, IFN_GOMP_SIMT_EXIT))((void)(!(gimple_call_internal_p (exit_stmt, IFN_GOMP_SIMT_EXIT )) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2142, __FUNCTION__), 0 : 0)); |
| 2143 | gimple_stmt_iterator exit_gsi = gsi_for_stmt (exit_stmt); |
| 2144 | tree clobber = build_clobber (rectype); |
| 2145 | exit_stmt = gimple_build_assign (build_simple_mem_ref (simtrec)build_simple_mem_ref_loc (((location_t) 0), simtrec), clobber); |
| 2146 | gsi_insert_before (&exit_gsi, exit_stmt, GSI_SAME_STMT); |
| 2147 | } |
| 2148 | else |
| 2149 | gcc_checking_assert (has_zero_uses (simtrec))((void)(!(has_zero_uses (simtrec)) ? fancy_abort ("/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2149, __FUNCTION__), 0 : 0)); |
| 2150 | } |
| 2151 | |
| 2152 | /* Callback for walk_gimple_stmt used to scan for SIMT-privatized variables. */ |
| 2153 | |
| 2154 | static tree |
| 2155 | find_simtpriv_var_op (tree *tp, int *walk_subtrees, void *) |
| 2156 | { |
| 2157 | tree t = *tp; |
| 2158 | |
| 2159 | if (VAR_P (t)(((enum tree_code) (t)->base.code) == VAR_DECL) |
| 2160 | && DECL_HAS_VALUE_EXPR_P (t)((tree_check3 ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2160, __FUNCTION__, (VAR_DECL), (PARM_DECL), (RESULT_DECL)) ) ->decl_common.decl_flag_2) |
| 2161 | && lookup_attribute ("omp simt private", DECL_ATTRIBUTES (t)((contains_struct_check ((t), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2161, __FUNCTION__))->decl_common.attributes))) |
| 2162 | { |
| 2163 | *walk_subtrees = 0; |
| 2164 | return t; |
| 2165 | } |
| 2166 | return NULL_TREE(tree) __null; |
| 2167 | } |
| 2168 | |
| 2169 | /* Cleanup uses of SIMT placeholder internal functions: on non-SIMT targets, |
| 2170 | VF is 1 and LANE is 0; on SIMT targets, VF is folded to a constant, and |
| 2171 | LANE is kept to be expanded to RTL later on. Also cleanup all other SIMT |
| 2172 | internal functions on non-SIMT targets, and likewise some SIMD internal |
| 2173 | functions on SIMT targets. */ |
| 2174 | |
| 2175 | static unsigned int |
| 2176 | execute_omp_device_lower () |
| 2177 | { |
| 2178 | int vf = targetm.simt.vf ? targetm.simt.vf () : 1; |
| 2179 | bool regimplify = false; |
| 2180 | basic_block bb; |
| 2181 | gimple_stmt_iterator gsi; |
| 2182 | bool calls_declare_variant_alt |
| 2183 | = cgraph_node::get (cfun(cfun + 0)->decl)->calls_declare_variant_alt; |
| 2184 | FOR_EACH_BB_FN (bb, cfun)for (bb = ((cfun + 0))->cfg->x_entry_block_ptr->next_bb ; bb != ((cfun + 0))->cfg->x_exit_block_ptr; bb = bb-> next_bb) |
| 2185 | for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) |
| 2186 | { |
| 2187 | gimple *stmt = gsi_stmt (gsi); |
| 2188 | if (!is_gimple_call (stmt)) |
| 2189 | continue; |
| 2190 | if (!gimple_call_internal_p (stmt)) |
| 2191 | { |
| 2192 | if (calls_declare_variant_alt) |
| 2193 | if (tree fndecl = gimple_call_fndecl (stmt)) |
| 2194 | { |
| 2195 | tree new_fndecl = omp_resolve_declare_variant (fndecl); |
| 2196 | if (new_fndecl != fndecl) |
| 2197 | { |
| 2198 | gimple_call_set_fndecl (stmt, new_fndecl); |
| 2199 | update_stmt (stmt); |
| 2200 | } |
| 2201 | } |
| 2202 | continue; |
| 2203 | } |
| 2204 | tree lhs = gimple_call_lhs (stmt), rhs = NULL_TREE(tree) __null; |
| 2205 | tree type = lhs ? TREE_TYPE (lhs)((contains_struct_check ((lhs), (TS_TYPED), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2205, __FUNCTION__))->typed.type) : integer_type_nodeinteger_types[itk_int]; |
| 2206 | switch (gimple_call_internal_fn (stmt)) |
| 2207 | { |
| 2208 | case IFN_GOMP_USE_SIMT: |
| 2209 | rhs = vf == 1 ? integer_zero_nodeglobal_trees[TI_INTEGER_ZERO] : integer_one_nodeglobal_trees[TI_INTEGER_ONE]; |
| 2210 | break; |
| 2211 | case IFN_GOMP_SIMT_ENTER: |
| 2212 | rhs = vf == 1 ? gimple_call_arg (stmt, 0) : NULL_TREE(tree) __null; |
| 2213 | goto simtreg_enter_exit; |
| 2214 | case IFN_GOMP_SIMT_ENTER_ALLOC: |
| 2215 | if (vf != 1) |
| 2216 | ompdevlow_adjust_simt_enter (&gsi, ®implify); |
| 2217 | rhs = vf == 1 ? null_pointer_nodeglobal_trees[TI_NULL_POINTER] : NULL_TREE(tree) __null; |
| 2218 | goto simtreg_enter_exit; |
| 2219 | case IFN_GOMP_SIMT_EXIT: |
| 2220 | simtreg_enter_exit: |
| 2221 | if (vf != 1) |
| 2222 | continue; |
| 2223 | unlink_stmt_vdef (stmt); |
| 2224 | break; |
| 2225 | case IFN_GOMP_SIMT_LANE: |
| 2226 | case IFN_GOMP_SIMT_LAST_LANE: |
| 2227 | rhs = vf == 1 ? build_zero_cst (type) : NULL_TREE(tree) __null; |
| 2228 | break; |
| 2229 | case IFN_GOMP_SIMT_VF: |
| 2230 | rhs = build_int_cst (type, vf); |
| 2231 | break; |
| 2232 | case IFN_GOMP_SIMT_ORDERED_PRED: |
| 2233 | rhs = vf == 1 ? integer_zero_nodeglobal_trees[TI_INTEGER_ZERO] : NULL_TREE(tree) __null; |
| 2234 | if (rhs || !lhs) |
| 2235 | unlink_stmt_vdef (stmt); |
| 2236 | break; |
| 2237 | case IFN_GOMP_SIMT_VOTE_ANY: |
| 2238 | case IFN_GOMP_SIMT_XCHG_BFLY: |
| 2239 | case IFN_GOMP_SIMT_XCHG_IDX: |
| 2240 | rhs = vf == 1 ? gimple_call_arg (stmt, 0) : NULL_TREE(tree) __null; |
| 2241 | break; |
| 2242 | case IFN_GOMP_SIMD_LANE: |
| 2243 | case IFN_GOMP_SIMD_LAST_LANE: |
| 2244 | rhs = vf != 1 ? build_zero_cst (type) : NULL_TREE(tree) __null; |
| 2245 | break; |
| 2246 | case IFN_GOMP_SIMD_VF: |
| 2247 | rhs = vf != 1 ? build_one_cst (type) : NULL_TREE(tree) __null; |
| 2248 | break; |
| 2249 | default: |
| 2250 | continue; |
| 2251 | } |
| 2252 | if (lhs && !rhs) |
| 2253 | continue; |
| 2254 | stmt = lhs ? gimple_build_assign (lhs, rhs) : gimple_build_nop (); |
| 2255 | gsi_replace (&gsi, stmt, false); |
| 2256 | } |
| 2257 | if (regimplify) |
| 2258 | FOR_EACH_BB_REVERSE_FN (bb, cfun)for (bb = ((cfun + 0))->cfg->x_exit_block_ptr->prev_bb ; bb != ((cfun + 0))->cfg->x_entry_block_ptr; bb = bb-> prev_bb) |
| 2259 | for (gsi = gsi_last_bb (bb); !gsi_end_p (gsi); gsi_prev (&gsi)) |
| 2260 | if (walk_gimple_stmt (&gsi, NULL__null, find_simtpriv_var_op, NULL__null)) |
| 2261 | { |
| 2262 | if (gimple_clobber_p (gsi_stmt (gsi))) |
| 2263 | gsi_remove (&gsi, true); |
| 2264 | else |
| 2265 | gimple_regimplify_operands (gsi_stmt (gsi), &gsi); |
| 2266 | } |
| 2267 | if (vf != 1) |
| 2268 | cfun(cfun + 0)->has_force_vectorize_loops = false; |
| 2269 | return 0; |
| 2270 | } |
| 2271 | |
| 2272 | namespace { |
| 2273 | |
| 2274 | const pass_data pass_data_omp_device_lower = |
| 2275 | { |
| 2276 | GIMPLE_PASS, /* type */ |
| 2277 | "ompdevlow", /* name */ |
| 2278 | OPTGROUP_OMP, /* optinfo_flags */ |
| 2279 | TV_NONE, /* tv_id */ |
| 2280 | PROP_cfg(1 << 3), /* properties_required */ |
| 2281 | PROP_gimple_lomp_dev(1 << 16), /* properties_provided */ |
| 2282 | 0, /* properties_destroyed */ |
| 2283 | 0, /* todo_flags_start */ |
| 2284 | TODO_update_ssa(1 << 11), /* todo_flags_finish */ |
| 2285 | }; |
| 2286 | |
| 2287 | class pass_omp_device_lower : public gimple_opt_pass |
| 2288 | { |
| 2289 | public: |
| 2290 | pass_omp_device_lower (gcc::context *ctxt) |
| 2291 | : gimple_opt_pass (pass_data_omp_device_lower, ctxt) |
| 2292 | {} |
| 2293 | |
| 2294 | /* opt_pass methods: */ |
| 2295 | virtual bool gate (function *fun) |
| 2296 | { |
| 2297 | return (!(fun->curr_properties & PROP_gimple_lomp_dev(1 << 16)) |
| 2298 | || (flag_openmpglobal_options.x_flag_openmp |
| 2299 | && cgraph_node::get (fun->decl)->calls_declare_variant_alt)); |
| 2300 | } |
| 2301 | virtual unsigned int execute (function *) |
| 2302 | { |
| 2303 | return execute_omp_device_lower (); |
| 2304 | } |
| 2305 | |
| 2306 | }; // class pass_expand_omp_ssa |
| 2307 | |
| 2308 | } // anon namespace |
| 2309 | |
| 2310 | gimple_opt_pass * |
| 2311 | make_pass_omp_device_lower (gcc::context *ctxt) |
| 2312 | { |
| 2313 | return new pass_omp_device_lower (ctxt); |
| 2314 | } |
| 2315 | |
| 2316 | /* "omp declare target link" handling pass. */ |
| 2317 | |
| 2318 | namespace { |
| 2319 | |
| 2320 | const pass_data pass_data_omp_target_link = |
| 2321 | { |
| 2322 | GIMPLE_PASS, /* type */ |
| 2323 | "omptargetlink", /* name */ |
| 2324 | OPTGROUP_OMP, /* optinfo_flags */ |
| 2325 | TV_NONE, /* tv_id */ |
| 2326 | PROP_ssa(1 << 5), /* properties_required */ |
| 2327 | 0, /* properties_provided */ |
| 2328 | 0, /* properties_destroyed */ |
| 2329 | 0, /* todo_flags_start */ |
| 2330 | TODO_update_ssa(1 << 11), /* todo_flags_finish */ |
| 2331 | }; |
| 2332 | |
| 2333 | class pass_omp_target_link : public gimple_opt_pass |
| 2334 | { |
| 2335 | public: |
| 2336 | pass_omp_target_link (gcc::context *ctxt) |
| 2337 | : gimple_opt_pass (pass_data_omp_target_link, ctxt) |
| 2338 | {} |
| 2339 | |
| 2340 | /* opt_pass methods: */ |
| 2341 | virtual bool gate (function *fun) |
| 2342 | { |
| 2343 | #ifdef ACCEL_COMPILER |
| 2344 | return offloading_function_p (fun->decl); |
| 2345 | #else |
| 2346 | (void) fun; |
| 2347 | return false; |
| 2348 | #endif |
| 2349 | } |
| 2350 | |
| 2351 | virtual unsigned execute (function *); |
| 2352 | }; |
| 2353 | |
| 2354 | /* Callback for walk_gimple_stmt used to scan for link var operands. */ |
| 2355 | |
| 2356 | static tree |
| 2357 | find_link_var_op (tree *tp, int *walk_subtrees, void *) |
| 2358 | { |
| 2359 | tree t = *tp; |
| 2360 | |
| 2361 | if (VAR_P (t)(((enum tree_code) (t)->base.code) == VAR_DECL) |
| 2362 | && DECL_HAS_VALUE_EXPR_P (t)((tree_check3 ((t), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2362, __FUNCTION__, (VAR_DECL), (PARM_DECL), (RESULT_DECL)) ) ->decl_common.decl_flag_2) |
| 2363 | && is_global_var (t) |
| 2364 | && lookup_attribute ("omp declare target link", DECL_ATTRIBUTES (t)((contains_struct_check ((t), (TS_DECL_COMMON), "/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-clang-static-analyzer/build/gcc/omp-offload.c" , 2364, __FUNCTION__))->decl_common.attributes))) |
| 2365 | { |
| 2366 | *walk_subtrees = 0; |
| 2367 | return t; |
| 2368 | } |
| 2369 | |
| 2370 | return NULL_TREE(tree) __null; |
| 2371 | } |
| 2372 | |
| 2373 | unsigned |
| 2374 | pass_omp_target_link::execute (function *fun) |
| 2375 | { |
| 2376 | basic_block bb; |
| 2377 | FOR_EACH_BB_FN (bb, fun)for (bb = (fun)->cfg->x_entry_block_ptr->next_bb; bb != (fun)->cfg->x_exit_block_ptr; bb = bb->next_bb) |
| 2378 | { |
| 2379 | gimple_stmt_iterator gsi; |
| 2380 | for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) |
| 2381 | if (walk_gimple_stmt (&gsi, NULL__null, find_link_var_op, NULL__null)) |
| 2382 | gimple_regimplify_operands (gsi_stmt (gsi), &gsi); |
| 2383 | } |
| 2384 | |
| 2385 | return 0; |
| 2386 | } |
| 2387 | |
| 2388 | } // anon namespace |
| 2389 | |
| 2390 | gimple_opt_pass * |
| 2391 | make_pass_omp_target_link (gcc::context *ctxt) |
| 2392 | { |
| 2393 | return new pass_omp_target_link (ctxt); |
| 2394 | } |