1 //===- Base.td - LLVMC toolchain descriptions --------------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains compilation graph description used by llvmc.
12 //===----------------------------------------------------------------------===//
14 include "llvm/CompilerDriver/Common.td"
18 def OptList : OptionList<[
19 (switch_option "emit-llvm",
20 (help "Emit LLVM .ll files instead of native object files")),
22 (help "Stop after the preprocessing stage, do not run the compiler")),
23 (switch_option "fsyntax-only",
24 (help "Stop after checking the input for syntax errors")),
28 (help "Turn off optimization"), (zero_or_more)),
30 (help "Optimization level 1"), (zero_or_more)),
32 (help "Optimization level 2"), (zero_or_more)),
34 (help "Optimization level 3"), (zero_or_more)),
36 (help "Stop after compilation, do not assemble")),
38 (help "Compile and assemble, but do not link")),
39 (switch_option "pthread",
40 (help "Enable threads")),
42 (help "Generate code for a 32-bit environment"), (hidden)),
44 (help "Generate code for a 64-bit environment"), (hidden)),
45 (switch_option "fPIC",
46 (help "Relocation model: PIC"), (hidden)),
47 (switch_option "mdynamic-no-pic",
48 (help "Relocation model: dynamic-no-pic"), (hidden)),
49 (switch_option "shared",
50 (help "Create a DLL instead of the regular executable")),
51 (parameter_option "linker",
52 (help "Choose linker (possible values: gcc, g++)")),
53 (parameter_option "mtune",
54 (help "Target a specific CPU type"), (hidden), (forward_not_split)),
56 // TODO: Add a conditional compilation mechanism to make Darwin-only options
57 // like '-arch' really Darwin-only.
59 (parameter_option "arch",
60 (help "Compile for the specified target architecture"), (hidden)),
61 (parameter_option "march",
62 (help "A synonym for -mtune"), (hidden), (forward_not_split)),
63 (parameter_option "mcpu",
64 (help "A deprecated synonym for -mtune"), (hidden), (forward_not_split)),
65 (switch_option "mfix-and-continue",
66 (help "Needed by gdb to load .o files dynamically"), (hidden)),
67 (parameter_option "MF",
68 (help "Specify a file to write dependencies to"), (hidden)),
69 (parameter_list_option "MT",
70 (help "Change the name of the rule emitted by dependency generation"),
72 (parameter_list_option "include",
73 (help "Include the named file prior to preprocessing")),
74 (parameter_list_option "iquote",
75 (help "Search dir only for files requested with #inlcude \"file\""),
77 (parameter_list_option "framework",
78 (help "Specifies a framework to link against")),
79 (parameter_list_option "weak_framework",
80 (help "Specifies a framework to weakly link against"), (hidden)),
81 (parameter_option "filelist", (hidden),
82 (help "Link the files listed in file")),
83 (prefix_list_option "F",
84 (help "Add a directory to framework search path")),
85 (prefix_list_option "I",
86 (help "Add a directory to include path")),
87 (prefix_list_option "D",
88 (help "Define a macro")),
89 (parameter_list_option "Xpreprocessor", (hidden),
90 (help "Pass options to preprocessor")),
91 (prefix_list_option "Wa,", (comma_separated),
92 (help "Pass options to assembler")),
93 (parameter_list_option "Xassembler", (hidden),
94 (help "Pass options to assembler")),
95 (prefix_list_option "Wllc,", (comma_separated),
96 (help "Pass options to llc")),
97 (prefix_list_option "L",
98 (help "Add a directory to link path")),
99 (prefix_list_option "l",
100 (help "Search a library when linking")),
101 (prefix_list_option "Wl,",
102 (help "Pass options to linker")),
103 (parameter_list_option "Xlinker", (hidden),
104 (help "Pass options to linker")),
105 (prefix_list_option "Wo,", (comma_separated),
106 (help "Pass options to opt")),
107 (prefix_list_option "m",
108 (help "Enable or disable various extensions (-mmmx, -msse, etc.)"),
110 (switch_option "dynamiclib", (hidden),
111 (help "Produce a dynamic library")),
112 (switch_option "prebind", (hidden),
113 (help "Prebind all undefined symbols")),
114 (switch_option "dead_strip", (hidden),
115 (help "Remove unreachable blocks of code")),
116 (switch_option "single_module", (hidden),
117 (help "Build the library so it contains only one module")),
118 (parameter_option "install_name", (hidden),
119 (help "File name the library will be installed in")),
120 (parameter_option "compatibility_version", (hidden),
121 (help "Compatibility version number")),
122 (parameter_option "current_version", (hidden),
123 (help "Current version number"))
126 // Option preprocessor.
128 def Preprocess : OptionPreprocessor<
129 (case (not (any_switch_on ["O0", "O1", "O2", "O3"])),
131 (and (switch_on "O3"), (any_switch_on ["O0", "O1", "O2"])),
132 (unset_option ["O0", "O1", "O2"]),
133 (and (switch_on "O2"), (any_switch_on ["O0", "O1"])),
134 (unset_option ["O0", "O1"]),
135 (switch_on ["O1", "O0"]),
141 class llvm_gcc_based <string cmd_prefix, string in_lang,
142 string E_ext, string out_lang> : Tool<
143 [(in_language in_lang),
144 (out_language "llvm-bitcode"),
145 (output_suffix out_lang),
146 (command cmd_prefix),
149 (and (not_empty "o"),
150 (multiple_input_files), (or (switch_on "S"), (switch_on "c"))),
151 (error "cannot specify -o with -c or -S with multiple files"),
153 [(forward "E"), (stop_compilation), (output_suffix E_ext)],
154 (and (switch_on "E"), (empty "o")), (no_out_file),
155 (switch_on ["emit-llvm", "S"]),
156 [(output_suffix "ll"), (stop_compilation)],
157 (switch_on ["emit-llvm", "c"]), (stop_compilation),
158 (switch_on "fsyntax-only"), [(forward "fsyntax-only"),
159 (no_out_file), (stop_compilation)],
160 (switch_on ["S", "emit-llvm"]), [(forward "S"), (forward "emit-llvm")],
161 (not (or (switch_on ["S", "emit-llvm"]), (switch_on "fsyntax-only"))),
162 [(append_cmd "-c"), (append_cmd "-emit-llvm")],
165 (not_empty "Xpreprocessor"), (forward "Xpreprocessor"),
166 (not_empty "include"), (forward "include"),
167 (not_empty "iquote"), (forward "iquote"),
168 (not_empty "save-temps"), (append_cmd "-save-temps"),
169 (not_empty "I"), (forward "I"),
170 (not_empty "F"), (forward "F"),
171 (not_empty "D"), (forward "D"),
172 (not_empty "arch"), (forward "arch"),
173 (not_empty "march"), (forward "march"),
174 (not_empty "mtune"), (forward "mtune"),
175 (not_empty "mcpu"), (forward "mcpu"),
176 (not_empty "m"), (forward "m"),
177 (switch_on "mfix-and-continue"), (forward "mfix-and-continue"),
178 (switch_on "m32"), (forward "m32"),
179 (switch_on "m64"), (forward "m64"),
180 (switch_on "O0"), (forward "O0"),
181 (switch_on "O1"), (forward "O1"),
182 (switch_on "O2"), (forward "O2"),
183 (switch_on "O3"), (forward "O3"),
184 (switch_on "fPIC"), (forward "fPIC"),
185 (switch_on "mdynamic-no-pic"), (forward "mdynamic-no-pic"),
186 (not_empty "MF"), (forward "MF"),
187 (not_empty "MT"), (forward "MT"))),
191 def llvm_gcc_c : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x c", "c", "i", "bc">;
192 def llvm_gcc_cpp : llvm_gcc_based<"@LLVMGXXCOMMAND@ -x c++", "c++", "i", "bc">;
193 def llvm_gcc_m : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x objective-c",
194 "objective-c", "mi", "bc">;
195 def llvm_gcc_mxx : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x objective-c++",
196 "objective-c++", "mi", "bc">;
198 def llvm_gcc_c_pch : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x c-header",
199 "c-header", "i", "gch">;
200 def llvm_gcc_cpp_pch : llvm_gcc_based<"@LLVMGXXCOMMAND@ -x c++-header",
203 def llvm_gcc_m_pch : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x objective-c-header",
204 "objective-c-header",
207 : llvm_gcc_based<"@LLVMGCCCOMMAND@ -x objective-c++-header",
208 "objective-c++-header", "mi", "gch">;
211 [(in_language "llvm-bitcode"),
212 (out_language "llvm-bitcode"),
213 (output_suffix "bc"),
214 (actions (case (not_empty "Wo,"), (forward_value "Wo,"),
215 (switch_on "O1"), (forward "O1"),
216 (switch_on "O2"), (forward "O2"),
217 (switch_on "O3"), (forward "O3"))),
222 [(in_language "llvm-assembler"),
223 (out_language "llvm-bitcode"),
224 (output_suffix "bc"),
226 (actions (case (switch_on "emit-llvm"), (stop_compilation)))
229 def llvm_gcc_assembler : Tool<
230 [(in_language "assembler"),
231 (out_language "object-code"),
233 (command "@LLVMGCCCOMMAND@ -c -x assembler"),
235 (switch_on "c"), (stop_compilation),
236 (not_empty "arch"), (forward "arch"),
237 (not_empty "Xassembler"), (forward "Xassembler"),
238 (switch_on "m32"), (forward "m32"),
239 (switch_on "m64"), (forward "m64"),
240 (not_empty "Wa,"), (forward "Wa,")))
244 [(in_language ["llvm-bitcode", "llvm-assembler"]),
245 (out_language "assembler"),
249 (switch_on "S"), (stop_compilation),
250 (switch_on "O0"), (forward "O0"),
251 (switch_on "O1"), (forward "O1"),
252 (switch_on "O2"), (forward "O2"),
253 (switch_on "O3"), (forward "O3"),
254 (switch_on "fPIC"), (append_cmd "-relocation-model=pic"),
255 (switch_on "mdynamic-no-pic"),
256 (append_cmd "-relocation-model=dynamic-no-pic"),
257 (not_empty "march"), (forward_as "mtune", "-mcpu"),
258 (not_empty "mtune"), (forward_as "mtune", "-mcpu"),
259 (not_empty "mcpu"), (forward "mcpu"),
260 (not_empty "m"), (forward_transformed_value "m", "ConvertToMAttr"),
261 (not_empty "Wllc,"), (forward_value "Wllc,")))
264 // Base class for linkers
265 class llvm_gcc_based_linker <string cmd_prefix> : Tool<
266 [(in_language ["object-code", "static-library"]),
267 (out_language "executable"),
268 (output_suffix "out"),
269 (command cmd_prefix),
270 (works_on_empty (case (not_empty "filelist"), true,
274 (switch_on "pthread"), (append_cmd "-lpthread"),
275 (not_empty "L"), (forward "L"),
276 (not_empty "F"), (forward "F"),
277 (not_empty "arch"), (forward "arch"),
278 (not_empty "framework"), (forward "framework"),
279 (not_empty "weak_framework"), (forward "weak_framework"),
280 (not_empty "filelist"), (forward "filelist"),
281 (switch_on "m32"), (forward "m32"),
282 (switch_on "m64"), (forward "m64"),
283 (not_empty "l"), (forward "l"),
284 (not_empty "Xlinker"), (forward "Xlinker"),
285 (not_empty "Wl,"), (forward "Wl,"),
286 (switch_on "shared"), (forward "shared"),
287 (switch_on "dynamiclib"), (forward "dynamiclib"),
288 (switch_on "prebind"), (forward "prebind"),
289 (switch_on "dead_strip"), (forward "dead_strip"),
290 (switch_on "single_module"), (forward "single_module"),
291 (not_empty "compatibility_version"),
292 (forward "compatibility_version"),
293 (not_empty "current_version"), (forward "current_version"),
294 (not_empty "install_name"), (forward "install_name")))
298 def llvm_gcc_linker : llvm_gcc_based_linker<"@LLVMGCCCOMMAND@">;
299 // Alternative linker for C++
300 def llvm_gcc_cpp_linker : llvm_gcc_based_linker<"@LLVMGXXCOMMAND@">;
304 def LanguageMap : LanguageMap<
305 [LangToSuffixes<"c++", ["cc", "cp", "cxx", "cpp", "CPP", "c++", "C"]>,
306 LangToSuffixes<"c++-header", ["hpp"]>,
307 LangToSuffixes<"c", ["c"]>,
308 LangToSuffixes<"c-header", ["h"]>,
309 LangToSuffixes<"c-cpp-output", ["i"]>,
310 LangToSuffixes<"objective-c-cpp-output", ["mi"]>,
311 LangToSuffixes<"objective-c++", ["mm"]>,
312 LangToSuffixes<"objective-c++-header", ["hmm"]>,
313 LangToSuffixes<"objective-c", ["m"]>,
314 LangToSuffixes<"objective-c-header", ["hm"]>,
315 LangToSuffixes<"assembler", ["s"]>,
316 LangToSuffixes<"assembler-with-cpp", ["S"]>,
317 LangToSuffixes<"llvm-assembler", ["ll"]>,
318 LangToSuffixes<"llvm-bitcode", ["bc"]>,
319 LangToSuffixes<"object-code", ["o", "*empty*"]>,
320 LangToSuffixes<"static-library", ["a", "lib"]>,
321 LangToSuffixes<"executable", ["out"]>
326 def CompilationGraph : CompilationGraph<[
327 Edge<"root", "llvm_gcc_c">,
328 Edge<"root", "llvm_gcc_assembler">,
329 Edge<"root", "llvm_gcc_cpp">,
330 Edge<"root", "llvm_gcc_m">,
331 Edge<"root", "llvm_gcc_mxx">,
334 Edge<"root", "llvm_gcc_c_pch">,
335 Edge<"root", "llvm_gcc_cpp_pch">,
336 Edge<"root", "llvm_gcc_m_pch">,
337 Edge<"root", "llvm_gcc_mxx_pch">,
339 Edge<"llvm_gcc_c", "llc">,
340 Edge<"llvm_gcc_cpp", "llc">,
341 Edge<"llvm_gcc_m", "llc">,
342 Edge<"llvm_gcc_mxx", "llc">,
343 Edge<"llvm_as", "llc">,
345 OptionalEdge<"root", "llvm_as",
346 (case (switch_on "emit-llvm"), (inc_weight))>,
347 OptionalEdge<"llvm_gcc_c", "opt", (case (switch_on "opt"), (inc_weight))>,
348 OptionalEdge<"llvm_gcc_cpp", "opt", (case (switch_on "opt"), (inc_weight))>,
349 OptionalEdge<"llvm_gcc_m", "opt", (case (switch_on "opt"), (inc_weight))>,
350 OptionalEdge<"llvm_gcc_mxx", "opt", (case (switch_on "opt"), (inc_weight))>,
351 OptionalEdge<"llvm_as", "opt", (case (switch_on "opt"), (inc_weight))>,
354 Edge<"llc", "llvm_gcc_assembler">,
355 Edge<"llvm_gcc_assembler", "llvm_gcc_linker">,
356 OptionalEdge<"llvm_gcc_assembler", "llvm_gcc_cpp_linker",
358 (or (input_languages_contain "c++"),
359 (input_languages_contain "objective-c++")),
361 (or (parameter_equals "linker", "g++"),
362 (parameter_equals "linker", "c++")), (inc_weight))>,
365 Edge<"root", "llvm_gcc_linker">,
366 OptionalEdge<"root", "llvm_gcc_cpp_linker",
368 (or (input_languages_contain "c++"),
369 (input_languages_contain "objective-c++")),
371 (or (parameter_equals "linker", "g++"),
372 (parameter_equals "linker", "c++")), (inc_weight))>