1//===- Base.td - LLVMC toolchain descriptions --------------*- tablegen -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file contains compilation graph description used by llvmc. 11// 12//===----------------------------------------------------------------------===// 13 14// Options 15 16def OptList : OptionList<[ 17 (switch_option "emit-llvm", 18 (help "Emit LLVM .ll files instead of native object files")), 19 (switch_option "E", 20 (help "Stop after the preprocessing stage, do not run the compiler")), 21 (switch_option "fsyntax-only", 22 (help "Stop after checking the input for syntax errors")), 23 (switch_option "opt", 24 (help "Enable opt")), 25 (switch_option "O0", 26 (help "Turn off optimization"), (zero_or_more)), 27 (switch_option "O1", 28 (help "Optimization level 1"), (zero_or_more)), 29 (switch_option "O2", 30 (help "Optimization level 2"), (zero_or_more)), 31 (switch_option "O3", 32 (help "Optimization level 3"), (zero_or_more)), 33 (switch_option "S", 34 (help "Stop after compilation, do not assemble")), 35 (switch_option "c", 36 (help "Compile and assemble, but do not link")), 37 (switch_option "m32", 38 (help "Generate code for a 32-bit environment"), (hidden)), 39 (switch_option "m64", 40 (help "Generate code for a 64-bit environment"), (hidden)), 41 (switch_option "fPIC", 42 (help "Relocation model: PIC"), (hidden)), 43 (switch_option "mdynamic-no-pic", 44 (help "Relocation model: dynamic-no-pic"), (hidden)), 45 (parameter_option "linker", 46 (help "Choose linker (possible values: gcc, g++)")), 47 (parameter_option "mtune", 48 (help "Target a specific CPU type"), (forward_not_split)), 49 (parameter_list_option "march", 50 (help "Generate code for the specified machine type")), 51 (parameter_option "mcpu", 52 (help "A deprecated synonym for -mtune"), (hidden), (forward_not_split)), 53 (parameter_option "mfpu", 54 (help "Specify type of floating point unit"), 55 (hidden), (forward_not_split)), 56 (parameter_option "mabi", 57 (help "Generate code for the specified ABI"), (hidden)), 58 (parameter_option "mfloat-abi", 59 (help "Specifies which floating-point ABI to use"), (hidden)), 60 (switch_option "mfix-and-continue", 61 (help "Needed by gdb to load .o files dynamically"), (hidden)), 62 (parameter_option "MF", 63 (help "Specify a file to write dependencies to"), (hidden)), 64 (parameter_list_option "MT", 65 (help "Change the name of the rule emitted by dependency generation"), 66 (hidden)), 67 (parameter_list_option "include", 68 (help "Include the named file prior to preprocessing")), 69 (parameter_list_option "iquote", 70 (help "Search dir only for files requested with #inlcude \"file\""), 71 (hidden)), 72 (prefix_list_option "I", 73 (help "Add a directory to include path")), 74 (prefix_list_option "D", 75 (help "Define a macro")), 76 (parameter_list_option "Xpreprocessor", (hidden), 77 (help "Pass options to preprocessor")), 78 (prefix_list_option "Wa,", (comma_separated), 79 (help "Pass options to assembler")), 80 (parameter_list_option "Xassembler", (hidden), 81 (help "Pass options to assembler")), 82 (prefix_list_option "Wllc,", (comma_separated), 83 (help "Pass options to llc")), 84 (prefix_list_option "Wl,", 85 (help "Pass options to linker")), 86 (parameter_list_option "Xlinker", (hidden), 87 (help "Pass options to linker")), 88 (prefix_list_option "Wo,", (comma_separated), 89 (help "Pass options to opt")), 90 (prefix_list_option "m", 91 (help "Enable or disable various extensions (-mmmx, -msse, etc.)"), 92 (hidden)) 93]>; 94 95def LinkerOptList : OptionList<[ 96 (prefix_list_option "L", 97 (help "Add a directory to link path")), 98 (prefix_list_option "l", 99 (help "Search a library when linking")), 100 (parameter_option "filelist", (hidden), 101 (help "Link the files listed in file")), 102 (switch_option "nostartfiles", 103 (help "Do not use the standard system startup files when linking"), 104 (hidden)), 105 (switch_option "nodefaultlibs", 106 (help "Do not use the standard system libraries when linking"), (hidden)), 107 (switch_option "nostdlib", 108 (help 109 "Do not use the standard system startup files or libraries when linking"), 110 (hidden)), 111 (switch_option "pie", 112 (help "Produce a position independent executable"), (hidden)), 113 (switch_option "rdynamic", 114 (help "Add all symbols to the dynamic export table"), (hidden)), 115 (switch_option "s", 116 (help "Strip all symbols"), (hidden)), 117 (switch_option "static", 118 (help "Do not link against shared libraries"), (hidden)), 119 (switch_option "static-libgcc", 120 (help "Use static libgcc"), (hidden)), 121 (switch_option "shared", 122 (help "Create a DLL instead of the regular executable")), 123 (switch_option "shared-libgcc", 124 (help "Use shared libgcc"), (hidden)), 125 (parameter_option "T", 126 (help "Read linker script"), (hidden)), 127 (parameter_option "u", 128 (help "Start with undefined reference to SYMBOL"), (hidden)), 129 (switch_option "pthread", 130 (help "Enable threads")), 131 132 // TODO: Add a conditional compilation mechanism to make Darwin-only options 133 // like '-arch' really Darwin-only. 134 (parameter_option "arch", 135 (help "Compile for the specified target architecture"), (hidden)), 136 (prefix_list_option "F", 137 (help "Add a directory to framework search path")), 138 (parameter_list_option "framework", 139 (help "Specifies a framework to link against")), 140 (parameter_list_option "weak_framework", 141 (help "Specifies a framework to weakly link against"), (hidden)), 142 (switch_option "dynamiclib", (hidden), 143 (help "Produce a dynamic library")), 144 (switch_option "prebind", (hidden), 145 (help "Prebind all undefined symbols")), 146 (switch_option "dead_strip", (hidden), 147 (help "Remove unreachable blocks of code")), 148 (switch_option "single_module", (hidden), 149 (help "Build the library so it contains only one module")), 150 (parameter_option "install_name", (hidden), 151 (help "File name the library will be installed in")), 152 (parameter_option "compatibility_version", (hidden), 153 (help "Compatibility version number")), 154 (parameter_option "current_version", (hidden), 155 (help "Current version number")) 156]>; 157 158// Option preprocessor. 159 160def Preprocess : OptionPreprocessor< 161(case (not (any_switch_on "O0", "O1", "O2", "O3")), 162 (set_option "O2"), 163 (and (switch_on "O3"), (any_switch_on "O0", "O1", "O2")), 164 (unset_option "O0", "O1", "O2"), 165 (and (switch_on "O2"), (any_switch_on "O0", "O1")), 166 (unset_option "O0", "O1"), 167 (switch_on "O1", "O0"), 168 (unset_option "O0")) 169>; 170 171// Tools 172 173class llvm_gcc_based <string cmd, string in_lang, string E_ext, dag out_lang, 174 string out_ext> : Tool< 175[(in_language in_lang), 176 out_lang, 177 (output_suffix out_ext), 178 (command cmd), 179 (actions 180 (case 181 (and (not_empty "o"), 182 (multiple_input_files), (or (switch_on "S"), (switch_on "c"))), 183 (error "cannot specify -o with -c or -S with multiple files"), 184 (switch_on "E"), 185 [(forward "E"), (stop_compilation), (output_suffix E_ext)], 186 (and (switch_on "E"), (empty "o")), (no_out_file), 187 188 // ('-emit-llvm') && !('opt') -> stop compilation 189 (and (switch_on "emit-llvm"), (not (switch_on "opt"))), 190 (stop_compilation), 191 // ('-S' && '-emit-llvm') && !('opt') -> output .ll 192 (and (switch_on "emit-llvm", "S"), (not (switch_on "opt"))), 193 [(forward "S"), (output_suffix "ll")], 194 // Usually just output .bc 195 (not (switch_on "fsyntax-only")), 196 [(append_cmd "-c"), (append_cmd "-emit-llvm")], 197 198 // -fsyntax-only 199 (switch_on "fsyntax-only"), [(forward "fsyntax-only"), 200 (no_out_file), (stop_compilation)], 201 202 // Forwards 203 (not_empty "Xpreprocessor"), (forward "Xpreprocessor"), 204 (not_empty "include"), (forward "include"), 205 (not_empty "iquote"), (forward "iquote"), 206 (not_empty "save-temps"), (append_cmd "-save-temps"), 207 (not_empty "I"), (forward "I"), 208 (not_empty "F"), (forward "F"), 209 (not_empty "D"), (forward "D"), 210 (not_empty "arch"), (forward "arch"), 211 (not_empty "march"), (forward "march"), 212 (not_empty "mcpu"), (forward "mcpu"), 213 (not_empty "mtune"), (forward "mtune"), 214 (not_empty "mfpu"), (forward "mfpu"), 215 (not_empty "mabi"), (forward "mabi"), 216 (not_empty "mfloat-abi"), (forward "mfloat-abi"), 217 (not_empty "m"), (forward "m"), 218 (switch_on "mfix-and-continue"), (forward "mfix-and-continue"), 219 (switch_on "m32"), (forward "m32"), 220 (switch_on "m64"), (forward "m64"), 221 (switch_on "O0"), (forward "O0"), 222 (switch_on "O1"), (forward "O1"), 223 (switch_on "O2"), (forward "O2"), 224 (switch_on "O3"), (forward "O3"), 225 (switch_on "fPIC"), (forward "fPIC"), 226 (switch_on "mdynamic-no-pic"), (forward "mdynamic-no-pic"), 227 (not_empty "MF"), (forward "MF"), 228 (not_empty "MT"), (forward "MT"))), 229 (sink) 230]>; 231 232class llvm_gcc_comp_based <string cmd, string in_lang, string E_ext> 233: llvm_gcc_based<cmd, in_lang, E_ext, 234 (out_language "llvm-bitcode", "object-code"), "bc">; 235 236class llvm_gcc_pch_based <string cmd, string in_lang, string E_ext> 237: llvm_gcc_based<cmd, in_lang, E_ext, 238 (out_language "precompiled-header"), "gch">; 239 240def llvm_gcc_c : llvm_gcc_comp_based 241 <"@LLVMGCCCOMMAND@ -x c", "c", "i">; 242def llvm_gcc_cpp : llvm_gcc_comp_based 243 <"@LLVMGXXCOMMAND@ -x c++", "c++", "i">; 244def llvm_gcc_m : llvm_gcc_comp_based 245 <"@LLVMGCCCOMMAND@ -x objective-c", "objective-c", "mi">; 246def llvm_gcc_mxx : llvm_gcc_comp_based 247 <"@LLVMGCCCOMMAND@ -x objective-c++", "objective-c++", "mi">; 248 249def llvm_gcc_c_pch : llvm_gcc_pch_based 250 <"@LLVMGCCCOMMAND@ -x c-header", "c-header", "i">; 251def llvm_gcc_cpp_pch : llvm_gcc_pch_based 252 <"@LLVMGXXCOMMAND@ -x c++-header", "c++-header", "i">; 253def llvm_gcc_m_pch : llvm_gcc_pch_based 254 <"@LLVMGCCCOMMAND@ -x objective-c-header", "objective-c-header", "mi">; 255def llvm_gcc_mxx_pch : llvm_gcc_pch_based 256 <"@LLVMGCCCOMMAND@ -x objective-c++-header", "objective-c++-header", "mi">; 257 258def opt : Tool< 259[(in_language "llvm-bitcode"), 260 (out_language "llvm-bitcode"), 261 (output_suffix "opt.bc"), 262 (actions (case (switch_on "emit-llvm"), (stop_compilation), 263 (switch_on "emit-llvm", "S"), 264 [(append_cmd "-S"), (output_suffix "ll")], 265 (not_empty "Wo,"), (forward_value "Wo,"), 266 (switch_on "O1"), (forward "O1"), 267 (switch_on "O2"), (forward "O2"), 268 (switch_on "O3"), (forward "O3"))), 269 (command "opt -f") 270]>; 271 272def llvm_as : Tool< 273[(in_language "llvm-assembler"), 274 (out_language "llvm-bitcode"), 275 (output_suffix "bc"), 276 (command "llvm-as"), 277 (actions (case (and (switch_on "emit-llvm"), (not (switch_on "opt"))), 278 (stop_compilation))) 279]>; 280 281def llvm_gcc_assembler : Tool< 282[(in_language "assembler"), 283 (out_language "object-code"), 284 (output_suffix "o"), 285 (command "@LLVMGCCCOMMAND@ -c -x assembler"), 286 (actions (case 287 (switch_on "c"), (stop_compilation), 288 (not_empty "arch"), (forward "arch"), 289 (not_empty "Xassembler"), (forward "Xassembler"), 290 (not_empty "march"), (forward "march"), 291 (not_empty "mcpu"), (forward "mcpu"), 292 (not_empty "mtune"), (forward "mtune"), 293 (not_empty "mabi"), (forward "mabi"), 294 (not_empty "mfloat-abi"), (forward "mfloat-abi"), 295 (switch_on "m32"), (forward "m32"), 296 (switch_on "m64"), (forward "m64"), 297 (not_empty "Wa,"), (forward "Wa,"))) 298]>; 299 300def llc : Tool< 301[(in_language "llvm-bitcode", "llvm-assembler"), 302 (out_language "assembler"), 303 (output_suffix "s"), 304 (command "llc -disable-cfi"), 305 (actions (case 306 (switch_on "S"), (stop_compilation), 307 (switch_on "O0"), (forward "O0"), 308 (switch_on "O1"), (forward "O1"), 309 (switch_on "O2"), (forward "O2"), 310 (switch_on "O3"), (forward "O3"), 311 (switch_on "fPIC"), (append_cmd "-relocation-model=pic"), 312 (switch_on "mdynamic-no-pic"), 313 (append_cmd "-relocation-model=dynamic-no-pic"), 314 (not_empty "march"), (forward_transformed_value 315 "march", "ConvertMArchToMAttr"), 316 (not_empty "mcpu"), (forward_transformed_value "mcpu", "ConvertMCpu"), 317 (and (not_empty "mtune"), (empty "mcpu")), 318 (forward_as "mtune", "-mcpu"), 319 (not_empty "mfpu"), (forward_transformed_value "mfpu", "ConvertMFpu"), 320 (not_empty "m"), (forward_transformed_value "m", "ConvertToMAttr"), 321 (not_empty "Wllc,"), (forward_value "Wllc,"))) 322]>; 323 324// Base class for linkers 325class llvm_gcc_based_linker <string cmd, dag on_empty> : Tool< 326[(in_language "object-code", "static-library", "dynamic-library"), 327 (out_language "executable"), 328 (output_suffix "out"), 329 (command cmd), 330 (works_on_empty (case (and (not_empty "filelist"), on_empty), true, 331 (default), false)), 332 (join), 333 (actions (case 334 (switch_on "pthread"), (append_cmd "-lpthread"), 335 (not_empty "L"), (forward "L"), 336 (not_empty "F"), (forward "F"), 337 (not_empty "arch"), (forward "arch"), 338 (not_empty "framework"), (forward "framework"), 339 (not_empty "weak_framework"), (forward "weak_framework"), 340 (not_empty "filelist"), (forward "filelist"), 341 (not_empty "march"), (forward "march"), 342 (not_empty "mcpu"), (forward "mcpu"), 343 (not_empty "mtune"), (forward "mtune"), 344 (not_empty "mabi"), (forward "mabi"), 345 (not_empty "mfloat-abi"), (forward "mfloat-abi"), 346 (switch_on "m32"), (forward "m32"), 347 (switch_on "m64"), (forward "m64"), 348 (not_empty "l"), (forward "l"), 349 (not_empty "Xlinker"), (forward "Xlinker"), 350 (not_empty "Wl,"), (forward "Wl,"), 351 (switch_on "nostartfiles"), (forward "nostartfiles"), 352 (switch_on "nodefaultlibs"), (forward "nodefaultlibs"), 353 (switch_on "nostdlib"), (forward "nostdlib"), 354 (switch_on "pie"), (forward "pie"), 355 (switch_on "rdynamic"), (forward "rdynamic"), 356 (switch_on "s"), (forward "s"), 357 (switch_on "static"), (forward "static"), 358 (switch_on "static-libgcc"), (forward "static-libgcc"), 359 (switch_on "shared"), (forward "shared"), 360 (switch_on "shared-libgcc"), (forward "shared-libgcc"), 361 (not_empty "T"), (forward "T"), 362 (not_empty "u"), (forward "u"), 363 (switch_on "dynamiclib"), (forward "dynamiclib"), 364 (switch_on "prebind"), (forward "prebind"), 365 (switch_on "dead_strip"), (forward "dead_strip"), 366 (switch_on "single_module"), (forward "single_module"), 367 (not_empty "compatibility_version"), 368 (forward "compatibility_version"), 369 (not_empty "current_version"), (forward "current_version"), 370 (not_empty "install_name"), (forward "install_name"))) 371]>; 372 373// Default linker 374def llvm_gcc_linker : llvm_gcc_based_linker<"@LLVMGCCCOMMAND@", 375 (not (or (parameter_equals "linker", "g++"), 376 (parameter_equals "linker", "c++")))>; 377// Alternative linker for C++ 378def llvm_gcc_cpp_linker : llvm_gcc_based_linker<"@LLVMGXXCOMMAND@", 379 (or (parameter_equals "linker", "g++"), 380 (parameter_equals "linker", "c++"))>; 381 382// Language map 383 384def LanguageMap : LanguageMap<[ 385 (lang_to_suffixes "precompiled-header", ["gch", "pch"]), 386 (lang_to_suffixes "c++", ["cc", "cp", "cxx", "cpp", "CPP", "c++", "C"]), 387 (lang_to_suffixes "c++-header", "hpp"), 388 (lang_to_suffixes "c", "c"), 389 (lang_to_suffixes "c-header", "h"), 390 (lang_to_suffixes "c-cpp-output", "i"), 391 (lang_to_suffixes "objective-c-cpp-output", "mi"), 392 (lang_to_suffixes "objective-c++", "mm"), 393 (lang_to_suffixes "objective-c++-header", "hmm"), 394 (lang_to_suffixes "objective-c", "m"), 395 (lang_to_suffixes "objective-c-header", "hm"), 396 (lang_to_suffixes "assembler", "s"), 397 (lang_to_suffixes "assembler-with-cpp", "S"), 398 (lang_to_suffixes "llvm-assembler", "ll"), 399 (lang_to_suffixes "llvm-bitcode", "bc"), 400 (lang_to_suffixes "object-code", ["o", "*empty*"]), 401 (lang_to_suffixes "static-library", ["a", "lib"]), 402 (lang_to_suffixes "dynamic-library", ["so", "dylib", "dll"]), 403 (lang_to_suffixes "executable", "out") 404]>; 405 406// Compilation graph 407 408def CompilationGraph : CompilationGraph<[ 409 (edge "root", "llvm_gcc_c"), 410 (edge "root", "llvm_gcc_assembler"), 411 (edge "root", "llvm_gcc_cpp"), 412 (edge "root", "llvm_gcc_m"), 413 (edge "root", "llvm_gcc_mxx"), 414 (edge "root", "llc"), 415 416 (edge "root", "llvm_gcc_c_pch"), 417 (edge "root", "llvm_gcc_cpp_pch"), 418 (edge "root", "llvm_gcc_m_pch"), 419 (edge "root", "llvm_gcc_mxx_pch"), 420 421 (edge "llvm_gcc_c", "llc"), 422 (edge "llvm_gcc_cpp", "llc"), 423 (edge "llvm_gcc_m", "llc"), 424 (edge "llvm_gcc_mxx", "llc"), 425 (edge "llvm_as", "llc"), 426 427 (optional_edge "root", "llvm_as", 428 (case (or (switch_on "emit-llvm"), 429 (switch_on "opt")), (inc_weight))), 430 (optional_edge "llvm_gcc_c", "opt", 431 (case (switch_on "opt"), (inc_weight))), 432 (optional_edge "llvm_gcc_cpp", "opt", 433 (case (switch_on "opt"), (inc_weight))), 434 (optional_edge "llvm_gcc_m", "opt", 435 (case (switch_on "opt"), (inc_weight))), 436 (optional_edge "llvm_gcc_mxx", "opt", 437 (case (switch_on "opt"), (inc_weight))), 438 (optional_edge "llvm_as", "opt", 439 (case (switch_on "opt"), (inc_weight))), 440 (edge "opt", "llc"), 441 442 (edge "llc", "llvm_gcc_assembler"), 443 (edge "llvm_gcc_assembler", "llvm_gcc_linker"), 444 (optional_edge "llvm_gcc_assembler", "llvm_gcc_cpp_linker", 445 (case 446 (or (input_languages_contain "c++"), 447 (input_languages_contain "objective-c++")), 448 (inc_weight), 449 (or (parameter_equals "linker", "g++"), 450 (parameter_equals "linker", "c++")), (inc_weight))), 451 452 453 (edge "root", "llvm_gcc_linker"), 454 (optional_edge "root", "llvm_gcc_cpp_linker", 455 (case 456 (or (input_languages_contain "c++"), 457 (input_languages_contain "objective-c++")), 458 (inc_weight), 459 (or (parameter_equals "linker", "g++"), 460 (parameter_equals "linker", "c++")), (inc_weight))) 461]>; 462