Mercurial > projects > ldc
annotate gen/typinf.cpp @ 1161:f528e55fb32f
Force initialize the runtime module in Module::genLLVMModule. It is required
for all non-trivial D modules anyway, so why load it lazily? This fixes
run/typeid_83.d (DtoDeclareTypeInfo expects runtime to be initialized)
author | Christian Kamm <kamm incasoftware de> |
---|---|
date | Sat, 28 Mar 2009 20:01:37 +0100 |
parents | 19d4ded7204a |
children | 79758fd2f48a |
rev | line source |
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1 | 1 |
2 | |
3 // Copyright (c) 1999-2004 by Digital Mars | |
4 // All Rights Reserved | |
5 // written by Walter Bright | |
6 // www.digitalmars.com | |
7 // License for redistribution is by either the Artistic License | |
8 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
9 // See the included readme.txt for details. | |
10 | |
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11 // Modifications for LDC: |
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12 // Copyright (c) 2007 by Tomas Lindquist Olsen |
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13 // tomas at famolsen dk |
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14 |
1 | 15 #include <cstdio> |
16 #include <cassert> | |
17 | |
52 | 18 #include "gen/llvm.h" |
19 | |
1 | 20 #include "mars.h" |
21 #include "module.h" | |
22 #include "mtype.h" | |
23 #include "scope.h" | |
24 #include "init.h" | |
25 #include "expression.h" | |
26 #include "attrib.h" | |
27 #include "declaration.h" | |
28 #include "template.h" | |
29 #include "id.h" | |
30 #include "enum.h" | |
31 #include "import.h" | |
32 #include "aggregate.h" | |
33 | |
52 | 34 #include "gen/irstate.h" |
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35 #include "gen/logger.h" |
52 | 36 #include "gen/runtime.h" |
54
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37 #include "gen/tollvm.h" |
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38 #include "gen/llvmhelpers.h" |
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39 #include "gen/arrays.h" |
100 | 40 #include "gen/structs.h" |
106 | 41 #include "gen/classes.h" |
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42 #include "gen/linkage.h" |
1 | 43 |
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44 #include "ir/irvar.h" |
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45 |
1 | 46 /******************************************* |
47 * Get a canonicalized form of the TypeInfo for use with the internal | |
48 * runtime library routines. Canonicalized in that static arrays are | |
49 * represented as dynamic arrays, enums are represented by their | |
50 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
51 * so we can use the custom internal ones more. | |
52 */ | |
53 | |
54 Expression *Type::getInternalTypeInfo(Scope *sc) | |
55 { TypeInfoDeclaration *tid; | |
56 Expression *e; | |
57 Type *t; | |
58 static TypeInfoDeclaration *internalTI[TMAX]; | |
59 | |
60 //printf("Type::getInternalTypeInfo() %s\n", toChars()); | |
61 t = toBasetype(); | |
62 switch (t->ty) | |
63 { | |
64 case Tsarray: | |
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65 #if 0 |
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66 // convert to corresponding dynamic array type |
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67 t = t->nextOf()->mutableOf()->arrayOf(); |
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68 #endif |
1 | 69 break; |
70 | |
71 case Tclass: | |
72 if (((TypeClass *)t)->sym->isInterfaceDeclaration()) | |
73 break; | |
74 goto Linternal; | |
75 | |
76 case Tarray: | |
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77 #if DMDV2 |
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78 // convert to corresponding dynamic array type |
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79 t = t->nextOf()->mutableOf()->arrayOf(); |
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80 #endif |
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81 if (t->nextOf()->ty != Tclass) |
1 | 82 break; |
83 goto Linternal; | |
84 | |
85 case Tfunction: | |
86 case Tdelegate: | |
87 case Tpointer: | |
88 Linternal: | |
89 tid = internalTI[t->ty]; | |
90 if (!tid) | |
91 { tid = new TypeInfoDeclaration(t, 1); | |
92 internalTI[t->ty] = tid; | |
93 } | |
94 e = new VarExp(0, tid); | |
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95 e = e->addressOf(sc); |
1 | 96 e->type = tid->type; // do this so we don't get redundant dereference |
97 return e; | |
98 | |
99 default: | |
100 break; | |
101 } | |
102 //printf("\tcalling getTypeInfo() %s\n", t->toChars()); | |
103 return t->getTypeInfo(sc); | |
104 } | |
105 | |
106 /**************************************************** | |
107 * Get the exact TypeInfo. | |
108 */ | |
109 | |
110 Expression *Type::getTypeInfo(Scope *sc) | |
111 { | |
112 Expression *e; | |
113 Type *t; | |
114 | |
115 //printf("Type::getTypeInfo() %p, %s\n", this, toChars()); | |
116 t = merge(); // do this since not all Type's are merge'd | |
117 if (!t->vtinfo) | |
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118 { |
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119 #if DMDV2 |
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120 if (t->isConst()) |
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121 t->vtinfo = new TypeInfoConstDeclaration(t); |
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122 else if (t->isInvariant()) |
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123 t->vtinfo = new TypeInfoInvariantDeclaration(t); |
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124 else |
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125 #endif |
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126 t->vtinfo = t->getTypeInfoDeclaration(); |
1 | 127 assert(t->vtinfo); |
128 | |
129 /* If this has a custom implementation in std/typeinfo, then | |
130 * do not generate a COMDAT for it. | |
131 */ | |
132 if (!t->builtinTypeInfo()) | |
133 { // Generate COMDAT | |
134 if (sc) // if in semantic() pass | |
135 { // Find module that will go all the way to an object file | |
136 Module *m = sc->module->importedFrom; | |
137 m->members->push(t->vtinfo); | |
138 } | |
139 else // if in obj generation pass | |
140 { | |
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141 #if IN_DMD |
336 | 142 t->vtinfo->toObjFile(0); // TODO: multiobj |
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143 #else |
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144 t->vtinfo->codegen(sir); |
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145 #endif |
1 | 146 } |
147 } | |
148 } | |
149 e = new VarExp(0, t->vtinfo); | |
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150 e = e->addressOf(sc); |
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151 e->type = t->vtinfo->type; // do this so we don't get redundant dereference |
1 | 152 return e; |
153 } | |
154 | |
52 | 155 enum RET TypeFunction::retStyle() |
156 { | |
157 return RETstack; | |
158 } | |
1 | 159 |
160 TypeInfoDeclaration *Type::getTypeInfoDeclaration() | |
161 { | |
162 //printf("Type::getTypeInfoDeclaration() %s\n", toChars()); | |
163 return new TypeInfoDeclaration(this, 0); | |
164 } | |
165 | |
52 | 166 TypeInfoDeclaration *TypeTypedef::getTypeInfoDeclaration() |
1 | 167 { |
52 | 168 return new TypeInfoTypedefDeclaration(this); |
1 | 169 } |
170 | |
52 | 171 TypeInfoDeclaration *TypePointer::getTypeInfoDeclaration() |
172 { | |
173 return new TypeInfoPointerDeclaration(this); | |
174 } | |
1 | 175 |
176 TypeInfoDeclaration *TypeDArray::getTypeInfoDeclaration() | |
177 { | |
178 return new TypeInfoArrayDeclaration(this); | |
179 } | |
180 | |
181 TypeInfoDeclaration *TypeSArray::getTypeInfoDeclaration() | |
182 { | |
183 return new TypeInfoStaticArrayDeclaration(this); | |
184 } | |
185 | |
186 TypeInfoDeclaration *TypeAArray::getTypeInfoDeclaration() | |
187 { | |
188 return new TypeInfoAssociativeArrayDeclaration(this); | |
189 } | |
190 | |
52 | 191 TypeInfoDeclaration *TypeStruct::getTypeInfoDeclaration() |
192 { | |
193 return new TypeInfoStructDeclaration(this); | |
194 } | |
1 | 195 |
196 TypeInfoDeclaration *TypeClass::getTypeInfoDeclaration() | |
197 { | |
198 if (sym->isInterfaceDeclaration()) | |
199 return new TypeInfoInterfaceDeclaration(this); | |
200 else | |
201 return new TypeInfoClassDeclaration(this); | |
202 } | |
203 | |
204 TypeInfoDeclaration *TypeEnum::getTypeInfoDeclaration() | |
205 { | |
206 return new TypeInfoEnumDeclaration(this); | |
207 } | |
208 | |
209 TypeInfoDeclaration *TypeFunction::getTypeInfoDeclaration() | |
210 { | |
211 return new TypeInfoFunctionDeclaration(this); | |
212 } | |
213 | |
214 TypeInfoDeclaration *TypeDelegate::getTypeInfoDeclaration() | |
215 { | |
216 return new TypeInfoDelegateDeclaration(this); | |
217 } | |
218 | |
219 TypeInfoDeclaration *TypeTuple::getTypeInfoDeclaration() | |
220 { | |
221 return new TypeInfoTupleDeclaration(this); | |
222 } | |
223 | |
224 | |
225 /* ========================================================================= */ | |
226 | |
227 /* These decide if there's an instance for them already in std.typeinfo, | |
228 * because then the compiler doesn't need to build one. | |
229 */ | |
230 | |
231 int Type::builtinTypeInfo() | |
232 { | |
233 return 0; | |
234 } | |
235 | |
236 int TypeBasic::builtinTypeInfo() | |
237 { | |
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238 #if DMDV2 |
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239 return !mod; |
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240 #else |
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241 return 1; |
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242 #endif |
1 | 243 } |
244 | |
245 int TypeDArray::builtinTypeInfo() | |
246 { | |
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247 #if DMDV2 |
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248 return !mod && next->isTypeBasic() != NULL && !next->mod; |
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249 #else |
52 | 250 return next->isTypeBasic() != NULL; |
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251 #endif |
1 | 252 } |
253 | |
254 /* ========================================================================= */ | |
255 | |
256 /*************************************** | |
257 * Create a static array of TypeInfo references | |
258 * corresponding to an array of Expression's. | |
259 * Used to supply hidden _arguments[] value for variadic D functions. | |
260 */ | |
261 | |
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262 Expression *createTypeInfoArray(Scope *sc, Expression *exps[], int dim) |
1 | 263 { |
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264 assert(0); // done elsewhere in LDC |
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265 return NULL; |
1 | 266 } |
267 | |
52 | 268 /* ========================================================================= */ |
269 | |
270 ////////////////////////////////////////////////////////////////////////////// | |
271 // MAGIC PLACE | |
272 ////////////////////////////////////////////////////////////////////////////// | |
273 | |
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274 void DtoResolveTypeInfo(TypeInfoDeclaration* tid); |
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275 void DtoDeclareTypeInfo(TypeInfoDeclaration* tid); |
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276 void DtoConstInitTypeInfo(TypeInfoDeclaration* tid); |
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277 |
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278 void TypeInfoDeclaration::codegen(Ir*) |
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279 { |
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280 DtoResolveTypeInfo(this); |
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281 } |
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282 |
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283 void DtoResolveTypeInfo(TypeInfoDeclaration* tid) |
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284 { |
173
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285 if (tid->ir.resolved) return; |
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286 tid->ir.resolved = true; |
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287 |
132 | 288 Logger::println("DtoResolveTypeInfo(%s)", tid->toChars()); |
52 | 289 LOG_SCOPE; |
65 | 290 |
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291 IrGlobal* irg = new IrGlobal(tid); |
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292 |
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293 std::string mangle(tid->mangle()); |
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294 |
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295 irg->value = gIR->module->getGlobalVariable(mangle); |
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296 if (!irg->value) |
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297 irg->value = new llvm::GlobalVariable(irg->type.get(), true, |
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298 TYPEINFO_LINKAGE_TYPE, NULL, mangle, gIR->module); |
102
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299 |
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300 tid->ir.irGlobal = irg; |
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301 |
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302 DtoDeclareTypeInfo(tid); |
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303 } |
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304 |
102
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305 void DtoDeclareTypeInfo(TypeInfoDeclaration* tid) |
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306 { |
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307 DtoResolveTypeInfo(tid); |
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308 |
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309 if (tid->ir.declared) return; |
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310 tid->ir.declared = true; |
102
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311 |
132 | 312 Logger::println("DtoDeclareTypeInfo(%s)", tid->toChars()); |
102
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313 LOG_SCOPE; |
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314 |
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315 IrGlobal* irg = tid->ir.irGlobal; |
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316 |
102
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317 std::string mangled(tid->mangle()); |
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318 |
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319 Logger::println("type = '%s'", tid->tinfo->toChars()); |
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320 Logger::println("typeinfo mangle: %s", mangled.c_str()); |
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321 |
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322 assert(irg->value != NULL); |
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323 |
58
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324 // this is a declaration of a builtin __initZ var |
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325 if (tid->tinfo->builtinTypeInfo()) { |
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326 // fixup the global |
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327 const llvm::Type* rty = Type::typeinfo->type->ir.type->get(); |
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328 llvm::cast<llvm::OpaqueType>(irg->type.get())->refineAbstractTypeTo(rty); |
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329 LLGlobalVariable* g = isaGlobalVar(irg->value); |
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330 g->setLinkage(llvm::GlobalValue::ExternalLinkage); |
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331 return; |
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332 } |
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333 |
58
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334 // custom typedef |
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335 DtoConstInitTypeInfo(tid); |
52 | 336 } |
337 | |
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338 void DtoConstInitTypeInfo(TypeInfoDeclaration* tid) |
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339 { |
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340 if (tid->ir.initialized) return; |
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341 tid->ir.initialized = true; |
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342 |
132 | 343 Logger::println("DtoConstInitTypeInfo(%s)", tid->toChars()); |
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344 LOG_SCOPE; |
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345 |
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346 tid->llvmDefine(); |
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347 } |
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348 |
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349 void DtoDefineTypeInfo(TypeInfoDeclaration* tid) |
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350 { |
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351 if (tid->ir.defined) return; |
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352 tid->ir.defined = true; |
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353 |
132 | 354 Logger::println("DtoDefineTypeInfo(%s)", tid->toChars()); |
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355 LOG_SCOPE; |
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356 |
106 | 357 tid->llvmDefine(); |
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358 } |
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359 |
52 | 360 /* ========================================================================= */ |
361 | |
106 | 362 void TypeInfoDeclaration::llvmDefine() |
363 { | |
364 assert(0 && "TypeInfoDeclaration::llvmDeclare"); | |
52 | 365 } |
366 | |
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367 /* ========================================================================= */ |
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368 |
106 | 369 void TypeInfoTypedefDeclaration::llvmDefine() |
370 { | |
371 Logger::println("TypeInfoTypedefDeclaration::llvmDefine() %s", toChars()); | |
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372 LOG_SCOPE; |
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373 |
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374 ClassDeclaration* base = Type::typeinfotypedef; |
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375 base->codegen(Type::sir); |
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376 |
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377 // vtbl |
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378 std::vector<LLConstant*> sinits; |
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379 sinits.push_back(base->ir.irStruct->vtbl); |
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380 |
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381 // monitor |
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382 sinits.push_back(getNullPtr(getPtrToType(LLType::Int8Ty))); |
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383 |
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384 assert(tinfo->ty == Ttypedef); |
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385 TypeTypedef *tc = (TypeTypedef *)tinfo; |
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386 TypedefDeclaration *sd = tc->sym; |
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387 |
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388 // TypeInfo base |
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389 sd->basetype = sd->basetype->merge(); // DMD does this! |
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390 LLConstant* castbase = DtoTypeInfoOf(sd->basetype, true); |
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391 sinits.push_back(castbase); |
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392 |
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393 // char[] name |
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394 char *name = sd->toPrettyChars(); |
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395 sinits.push_back(DtoConstString(name)); |
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396 |
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397 // void[] init |
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398 const LLPointerType* initpt = getPtrToType(LLType::Int8Ty); |
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399 if (tinfo->isZeroInit() || !sd->init) // 0 initializer, or the same as the base type |
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400 { |
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401 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), getNullPtr(initpt))); |
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402 } |
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403 else |
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404 { |
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405 LLConstant* ci = DtoConstInitializer(sd->loc, sd->basetype, sd->init); |
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406 std::string ciname(sd->mangle()); |
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407 ciname.append("__init"); |
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408 llvm::GlobalVariable* civar = new llvm::GlobalVariable(DtoType(sd->basetype),true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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409 LLConstant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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410 size_t cisize = getTypeStoreSize(DtoType(sd->basetype)); |
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411 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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412 } |
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413 |
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414 // create the inititalizer |
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415 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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416 |
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417 // refine global type |
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418 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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419 |
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420 // set the initializer |
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421 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 422 } |
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423 |
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424 /* ========================================================================= */ |
52 | 425 |
106 | 426 void TypeInfoEnumDeclaration::llvmDefine() |
427 { | |
428 Logger::println("TypeInfoEnumDeclaration::llvmDefine() %s", toChars()); | |
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429 LOG_SCOPE; |
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430 |
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431 ClassDeclaration* base = Type::typeinfoenum; |
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432 base->codegen(Type::sir); |
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433 |
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434 // vtbl |
213
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435 std::vector<LLConstant*> sinits; |
173
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436 sinits.push_back(base->ir.irStruct->vtbl); |
58
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437 |
115
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438 // monitor |
244
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439 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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440 |
58
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441 assert(tinfo->ty == Tenum); |
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442 TypeEnum *tc = (TypeEnum *)tinfo; |
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443 EnumDeclaration *sd = tc->sym; |
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444 |
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445 // TypeInfo base |
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446 LLConstant* castbase = DtoTypeInfoOf(sd->memtype, true); |
58
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447 sinits.push_back(castbase); |
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448 |
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449 // char[] name |
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450 char *name = sd->toPrettyChars(); |
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451 sinits.push_back(DtoConstString(name)); |
58
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452 |
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453 // void[] init |
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454 const LLPointerType* initpt = getPtrToType(LLType::Int8Ty); |
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455 if (tinfo->isZeroInit() || !sd->defaultval) // 0 initializer, or the same as the base type |
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456 { |
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457 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
71
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458 } |
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459 else |
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460 { |
758
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461 #if DMDV2 |
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462 assert(0 && "initializer not implemented"); |
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463 #else |
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464 const LLType* memty = DtoType(sd->memtype); |
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465 LLConstant* ci = llvm::ConstantInt::get(memty, sd->defaultval, !sd->memtype->isunsigned()); |
71
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466 std::string ciname(sd->mangle()); |
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467 ciname.append("__init"); |
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468 llvm::GlobalVariable* civar = new llvm::GlobalVariable(memty,true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
213
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469 LLConstant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
133
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470 size_t cisize = getTypeStoreSize(memty); |
81
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471 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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472 #endif |
71
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473 } |
58
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474 |
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475 // create the inititalizer |
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476 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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477 |
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478 // refine global type |
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479 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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480 |
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481 // set the initializer |
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482 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 483 } |
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484 |
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485 /* ========================================================================= */ |
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486 |
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487 static void LLVM_D_Define_TypeInfoBase(Type* basetype, TypeInfoDeclaration* tid, ClassDeclaration* cd) |
58
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488 { |
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489 ClassDeclaration* base = cd; |
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490 base->codegen(Type::sir); |
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491 |
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492 // vtbl |
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493 std::vector<LLConstant*> sinits; |
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494 sinits.push_back(base->ir.irStruct->vtbl); |
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495 |
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496 // monitor |
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497 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
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498 |
58
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499 // TypeInfo base |
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500 LLConstant* castbase = DtoTypeInfoOf(basetype, true); |
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501 sinits.push_back(castbase); |
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502 |
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503 // create the inititalizer |
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504 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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505 |
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506 // refine global type |
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507 llvm::cast<llvm::OpaqueType>(tid->ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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508 |
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509 // set the initializer |
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510 isaGlobalVar(tid->ir.irGlobal->value)->setInitializer(tiInit); |
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511 } |
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512 |
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513 /* ========================================================================= */ |
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514 |
106 | 515 void TypeInfoPointerDeclaration::llvmDefine() |
516 { | |
517 Logger::println("TypeInfoPointerDeclaration::llvmDefine() %s", toChars()); | |
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518 LOG_SCOPE; |
52 | 519 |
520 assert(tinfo->ty == Tpointer); | |
521 TypePointer *tc = (TypePointer *)tinfo; | |
522 | |
106 | 523 LLVM_D_Define_TypeInfoBase(tc->next, this, Type::typeinfopointer); |
524 } | |
525 | |
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526 /* ========================================================================= */ |
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527 |
106 | 528 void TypeInfoArrayDeclaration::llvmDefine() |
529 { | |
530 Logger::println("TypeInfoArrayDeclaration::llvmDefine() %s", toChars()); | |
531 LOG_SCOPE; | |
532 | |
533 assert(tinfo->ty == Tarray); | |
534 TypeDArray *tc = (TypeDArray *)tinfo; | |
535 | |
536 LLVM_D_Define_TypeInfoBase(tc->next, this, Type::typeinfoarray); | |
537 } | |
538 | |
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539 /* ========================================================================= */ |
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540 |
106 | 541 void TypeInfoStaticArrayDeclaration::llvmDefine() |
52 | 542 { |
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543 Logger::println("TypeInfoStaticArrayDeclaration::llvmDefine() %s", toChars()); |
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544 LOG_SCOPE; |
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545 |
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546 // init typeinfo class |
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547 ClassDeclaration* base = Type::typeinfostaticarray; |
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548 base->codegen(Type::sir); |
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549 |
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550 // get type of typeinfo class |
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551 const LLStructType* stype = isaStruct(base->type->ir.type->get()); |
52 | 552 |
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553 // initializer vector |
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554 std::vector<LLConstant*> sinits; |
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555 // first is always the vtable |
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556 sinits.push_back(base->ir.irStruct->vtbl); |
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557 |
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558 // monitor |
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559 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
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560 |
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561 // value typeinfo |
52 | 562 assert(tinfo->ty == Tsarray); |
563 TypeSArray *tc = (TypeSArray *)tinfo; | |
275
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564 LLConstant* castbase = DtoTypeInfoOf(tc->next, true); |
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565 assert(castbase->getType() == stype->getElementType(2)); |
105
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566 sinits.push_back(castbase); |
52 | 567 |
105
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568 // length |
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569 sinits.push_back(DtoConstSize_t(tc->dim->toInteger())); |
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570 |
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571 // create the inititalizer |
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572 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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573 |
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574 // refine global type |
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575 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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576 |
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577 // set the initializer |
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578 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 579 } |
105
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580 |
58
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581 /* ========================================================================= */ |
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582 |
106 | 583 void TypeInfoAssociativeArrayDeclaration::llvmDefine() |
584 { | |
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585 Logger::println("TypeInfoAssociativeArrayDeclaration::llvmDefine() %s", toChars()); |
109
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586 LOG_SCOPE; |
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587 |
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588 // init typeinfo class |
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589 ClassDeclaration* base = Type::typeinfoassociativearray; |
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590 base->codegen(Type::sir); |
109
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591 |
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592 // initializer vector |
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593 std::vector<LLConstant*> sinits; |
109
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594 // first is always the vtable |
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595 sinits.push_back(base->ir.irStruct->vtbl); |
109
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596 |
115
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597 // monitor |
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598 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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599 |
109
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600 // get type |
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601 assert(tinfo->ty == Taarray); |
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602 TypeAArray *tc = (TypeAArray *)tinfo; |
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603 |
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604 // value typeinfo |
275
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605 LLConstant* castbase = DtoTypeInfoOf(tc->next, true); |
109
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606 sinits.push_back(castbase); |
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607 |
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608 // key typeinfo |
275
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609 castbase = DtoTypeInfoOf(tc->index, true); |
109
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610 sinits.push_back(castbase); |
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611 |
797
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612 // create the inititalizer |
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613 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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614 |
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615 // refine global type |
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616 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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617 |
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618 // set the initializer |
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619 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 620 } |
621 | |
58
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622 /* ========================================================================= */ |
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623 |
106 | 624 void TypeInfoFunctionDeclaration::llvmDefine() |
52 | 625 { |
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626 Logger::println("TypeInfoFunctionDeclaration::llvmDefine() %s", toChars()); |
58
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627 LOG_SCOPE; |
52 | 628 |
629 assert(tinfo->ty == Tfunction); | |
630 TypeFunction *tc = (TypeFunction *)tinfo; | |
631 | |
106 | 632 LLVM_D_Define_TypeInfoBase(tc->next, this, Type::typeinfofunction); |
633 } | |
634 | |
58
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635 /* ========================================================================= */ |
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636 |
106 | 637 void TypeInfoDelegateDeclaration::llvmDefine() |
52 | 638 { |
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639 Logger::println("TypeInfoDelegateDeclaration::llvmDefine() %s", toChars()); |
58
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640 LOG_SCOPE; |
52 | 641 |
642 assert(tinfo->ty == Tdelegate); | |
643 TypeDelegate *tc = (TypeDelegate *)tinfo; | |
644 | |
758
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645 LLVM_D_Define_TypeInfoBase(tc->nextOf()->nextOf(), this, Type::typeinfodelegate); |
106 | 646 } |
647 | |
58
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648 /* ========================================================================= */ |
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649 |
106 | 650 void TypeInfoStructDeclaration::llvmDefine() |
651 { | |
652 Logger::println("TypeInfoStructDeclaration::llvmDefine() %s", toChars()); | |
72 | 653 LOG_SCOPE; |
654 | |
655 assert(tinfo->ty == Tstruct); | |
656 TypeStruct *tc = (TypeStruct *)tinfo; | |
657 StructDeclaration *sd = tc->sym; | |
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658 sd->codegen(Type::sir); |
72 | 659 |
660 ClassDeclaration* base = Type::typeinfostruct; | |
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661 base->codegen(Type::sir); |
72 | 662 |
244
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663 const LLStructType* stype = isaStruct(base->type->ir.type->get()); |
72 | 664 |
115
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665 // vtbl |
213
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666 std::vector<LLConstant*> sinits; |
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667 sinits.push_back(base->ir.irStruct->vtbl); |
72 | 668 |
115
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669 // monitor |
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670 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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671 |
72 | 672 // char[] name |
673 char *name = sd->toPrettyChars(); | |
81
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674 sinits.push_back(DtoConstString(name)); |
110
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675 //Logger::println("************** A"); |
115
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676 assert(sinits.back()->getType() == stype->getElementType(2)); |
72 | 677 |
678 // void[] init | |
244
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679 const LLPointerType* initpt = getPtrToType(LLType::Int8Ty); |
213
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680 #if 0 |
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681 // the implementation of TypeInfo_Struct uses this to determine size. :/ |
72 | 682 if (sd->zeroInit) // 0 initializer, or the same as the base type |
683 { | |
81
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684 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
72 | 685 } |
686 else | |
213
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687 #endif |
72 | 688 { |
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689 size_t cisize = getTypeStoreSize(tc->ir.type->get()); |
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690 LLConstant* cicast = llvm::ConstantExpr::getBitCast(sd->ir.irStruct->init, initpt); |
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691 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
72 | 692 } |
693 | |
694 // toX functions ground work | |
695 FuncDeclaration *fd; | |
696 FuncDeclaration *fdx; | |
697 TypeFunction *tf; | |
698 Type *ta; | |
699 Dsymbol *s; | |
700 | |
701 static TypeFunction *tftohash; | |
702 static TypeFunction *tftostring; | |
703 | |
704 if (!tftohash) | |
705 { | |
706 Scope sc; | |
707 | |
708 tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd); | |
709 tftohash = (TypeFunction *)tftohash->semantic(0, &sc); | |
710 | |
711 tftostring = new TypeFunction(NULL, Type::tchar->arrayOf(), 0, LINKd); | |
712 tftostring = (TypeFunction *)tftostring->semantic(0, &sc); | |
713 } | |
714 | |
715 TypeFunction *tfeqptr; | |
716 { | |
717 Scope sc; | |
718 Arguments *arguments = new Arguments; | |
719 Argument *arg = new Argument(STCin, tc->pointerTo(), NULL, NULL); | |
720 | |
721 arguments->push(arg); | |
722 tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
723 tfeqptr = (TypeFunction *)tfeqptr->semantic(0, &sc); | |
724 } | |
725 | |
726 #if 0 | |
727 TypeFunction *tfeq; | |
728 { | |
729 Scope sc; | |
730 Array *arguments = new Array; | |
731 Argument *arg = new Argument(In, tc, NULL, NULL); | |
732 | |
733 arguments->push(arg); | |
734 tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
735 tfeq = (TypeFunction *)tfeq->semantic(0, &sc); | |
736 } | |
737 #endif | |
738 | |
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739 //Logger::println("************** B"); |
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740 const LLPointerType* ptty = isaPointer(stype->getElementType(4)); |
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741 assert(ptty); |
72 | 742 |
743 s = search_function(sd, Id::tohash); | |
744 fdx = s ? s->isFuncDeclaration() : NULL; | |
745 if (fdx) | |
746 { | |
747 fd = fdx->overloadExactMatch(tftohash); | |
748 if (fd) { | |
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749 fd->codegen(Type::sir); |
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750 assert(fd->ir.irFunc->func != 0); |
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751 LLConstant* c = isaConstant(fd->ir.irFunc->func); |
72 | 752 assert(c); |
753 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
754 sinits.push_back(c); | |
755 } | |
756 else { | |
757 //fdx->error("must be declared as extern (D) uint toHash()"); | |
758 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
759 } | |
760 } | |
761 else { | |
762 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
763 } | |
764 | |
765 s = search_function(sd, Id::eq); | |
766 fdx = s ? s->isFuncDeclaration() : NULL; | |
767 for (int i = 0; i < 2; i++) | |
768 { | |
110
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769 //Logger::println("************** C %d", i); |
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770 ptty = isaPointer(stype->getElementType(5+i)); |
72 | 771 if (fdx) |
772 { | |
773 fd = fdx->overloadExactMatch(tfeqptr); | |
774 if (fd) { | |
1148
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775 fd->codegen(Type::sir); |
173
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776 assert(fd->ir.irFunc->func != 0); |
213
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777 LLConstant* c = isaConstant(fd->ir.irFunc->func); |
72 | 778 assert(c); |
779 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
780 sinits.push_back(c); | |
781 } | |
782 else { | |
783 //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars()); | |
784 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
785 } | |
786 } | |
787 else { | |
788 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
789 } | |
790 | |
791 s = search_function(sd, Id::cmp); | |
792 fdx = s ? s->isFuncDeclaration() : NULL; | |
793 } | |
794 | |
110
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795 //Logger::println("************** D"); |
115
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796 ptty = isaPointer(stype->getElementType(7)); |
72 | 797 s = search_function(sd, Id::tostring); |
798 fdx = s ? s->isFuncDeclaration() : NULL; | |
799 if (fdx) | |
800 { | |
801 fd = fdx->overloadExactMatch(tftostring); | |
802 if (fd) { | |
1148
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803 fd->codegen(Type::sir); |
173
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804 assert(fd->ir.irFunc->func != 0); |
213
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805 LLConstant* c = isaConstant(fd->ir.irFunc->func); |
72 | 806 assert(c); |
807 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
808 sinits.push_back(c); | |
809 } | |
810 else { | |
811 //fdx->error("must be declared as extern (D) char[] toString()"); | |
812 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
813 } | |
814 } | |
815 else { | |
816 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
817 } | |
818 | |
819 // uint m_flags; | |
81
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820 sinits.push_back(DtoConstUint(tc->hasPointers())); |
72 | 821 |
758
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822 #if DMDV2 |
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823 |
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824 // const(MemberInfo[]) function(in char[]) xgetMembers; |
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825 sinits.push_back(LLConstant::getNullValue(stype->getElementType(sinits.size()))); |
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826 |
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827 //void function(void*) xdtor; |
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828 sinits.push_back(LLConstant::getNullValue(stype->getElementType(sinits.size()))); |
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829 |
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830 //void function(void*) xpostblit; |
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831 sinits.push_back(LLConstant::getNullValue(stype->getElementType(sinits.size()))); |
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832 |
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833 #endif |
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834 |
797
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835 // create the inititalizer |
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836 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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837 |
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838 // refine global type |
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839 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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840 |
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841 // set the initializer |
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842 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 843 } |
844 | |
58
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845 /* ========================================================================= */ |
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846 |
106 | 847 void TypeInfoClassDeclaration::llvmDefine() |
848 { | |
849 Logger::println("TypeInfoClassDeclaration::llvmDefine() %s", toChars()); | |
850 LOG_SCOPE; | |
851 | |
852 // init typeinfo class | |
853 ClassDeclaration* base = Type::typeinfoclass; | |
854 assert(base); | |
1148
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855 base->codegen(Type::sir); |
106 | 856 |
857 // initializer vector | |
213
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858 std::vector<LLConstant*> sinits; |
106 | 859 // first is always the vtable |
173
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860 sinits.push_back(base->ir.irStruct->vtbl); |
106 | 861 |
115
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862 // monitor |
244
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863 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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864 |
106 | 865 // get classinfo |
866 assert(tinfo->ty == Tclass); | |
867 TypeClass *tc = (TypeClass *)tinfo; | |
1148
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868 tc->sym->codegen(Type::sir);; |
173
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869 assert(tc->sym->ir.irStruct->classInfo); |
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870 sinits.push_back(tc->sym->ir.irStruct->classInfo); |
106 | 871 |
797
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872 // create the inititalizer |
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873 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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874 |
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875 // refine global type |
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876 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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877 |
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878 // set the initializer |
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879 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 880 } |
881 | |
58
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882 /* ========================================================================= */ |
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883 |
106 | 884 void TypeInfoInterfaceDeclaration::llvmDefine() |
885 { | |
113
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886 Logger::println("TypeInfoInterfaceDeclaration::llvmDefine() %s", toChars()); |
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887 LOG_SCOPE; |
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888 |
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889 // init typeinfo class |
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890 ClassDeclaration* base = Type::typeinfointerface; |
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891 assert(base); |
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892 base->codegen(Type::sir); |
113
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893 |
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894 // get type of typeinfo class |
244
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895 const LLStructType* stype = isaStruct(base->type->ir.type->get()); |
113
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896 |
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897 // initializer vector |
213
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898 std::vector<LLConstant*> sinits; |
113
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899 // first is always the vtable |
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900 sinits.push_back(base->ir.irStruct->vtbl); |
113
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901 |
115
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902 // monitor |
244
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903 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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904 |
113
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905 // get classinfo |
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906 assert(tinfo->ty == Tclass); |
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907 TypeClass *tc = (TypeClass *)tinfo; |
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908 assert(tc->sym->ir.irStruct->classInfo); |
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909 sinits.push_back(tc->sym->ir.irStruct->classInfo); |
113
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910 |
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911 // create the inititalizer |
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|
912 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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913 |
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914 // refine global type |
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915 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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916 |
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917 // set the initializer |
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918 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 919 } |
920 | |
58
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921 /* ========================================================================= */ |
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922 |
106 | 923 void TypeInfoTupleDeclaration::llvmDefine() |
924 { | |
113
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925 Logger::println("TypeInfoTupleDeclaration::llvmDefine() %s", toChars()); |
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926 LOG_SCOPE; |
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927 |
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928 // init typeinfo class |
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929 ClassDeclaration* base = Type::typeinfotypelist; |
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|
930 assert(base); |
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|
931 base->codegen(Type::sir); |
113
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|
932 |
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933 // get type of typeinfo class |
244
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|
934 const LLStructType* stype = isaStruct(base->type->ir.type->get()); |
113
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935 |
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|
936 // initializer vector |
213
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937 std::vector<LLConstant*> sinits; |
113
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938 // first is always the vtable |
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939 sinits.push_back(base->ir.irStruct->vtbl); |
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940 |
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941 // monitor |
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942 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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943 |
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944 // create elements array |
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945 assert(tinfo->ty == Ttuple); |
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946 TypeTuple *tu = (TypeTuple *)tinfo; |
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947 |
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948 size_t dim = tu->arguments->dim; |
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949 std::vector<LLConstant*> arrInits; |
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950 |
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951 const LLType* tiTy = Type::typeinfo->type->ir.type->get(); |
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952 tiTy = getPtrToType(tiTy); |
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953 |
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954 for (size_t i = 0; i < dim; i++) |
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955 { |
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956 Argument *arg = (Argument *)tu->arguments->data[i]; |
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957 LLConstant* castbase = DtoTypeInfoOf(arg->type, true); |
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958 assert(castbase->getType() == tiTy); |
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959 arrInits.push_back(castbase); |
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960 } |
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961 |
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962 // build array type |
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963 const LLArrayType* arrTy = LLArrayType::get(tiTy, dim); |
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964 LLConstant* arrC = llvm::ConstantArray::get(arrTy, arrInits); |
113
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965 |
522
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966 // need the pointer to the first element of arrC, so create a global for it |
918
a4fcc13da3cd
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967 llvm::GlobalValue::LinkageTypes _linkage = llvm::GlobalValue::InternalLinkage; |
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968 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(arrTy,true,_linkage,arrC,".tupleelements",gIR->module); |
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969 |
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970 // get pointer to first element |
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971 llvm::ConstantInt* zero = DtoConstSize_t(0); |
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972 LLConstant* idxs[2] = { zero, zero }; |
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973 LLConstant* arrptr = llvm::ConstantExpr::getGetElementPtr(gvar, idxs, 2); |
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974 |
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975 // build the slice |
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976 LLConstant* slice = DtoConstSlice(DtoConstSize_t(dim), arrptr); |
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977 sinits.push_back(slice); |
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978 |
797
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979 // create the inititalizer |
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980 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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981 |
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982 // refine global type |
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983 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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984 |
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985 // set the initializer |
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986 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 987 } |
988 | |
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989 /* ========================================================================= */ |
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990 |
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991 #if DMDV2 |
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992 |
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993 void TypeInfoConstDeclaration::llvmDefine() |
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994 { |
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995 Logger::println("TypeInfoConstDeclaration::llvmDefine() %s", toChars()); |
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996 LOG_SCOPE; |
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997 |
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998 Type *tm = tinfo->mutableOf(); |
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999 tm = tm->merge(); |
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1000 |
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1001 LLVM_D_Define_TypeInfoBase(tm, this, Type::typeinfoconst); |
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1002 } |
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1003 |
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1004 /* ========================================================================= */ |
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1005 |
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1006 void TypeInfoInvariantDeclaration::llvmDefine() |
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1007 { |
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1008 Logger::println("TypeInfoInvariantDeclaration::llvmDefine() %s", toChars()); |
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1009 LOG_SCOPE; |
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1010 |
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1011 Type *tm = tinfo->mutableOf(); |
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1012 tm = tm->merge(); |
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1013 |
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1014 LLVM_D_Define_TypeInfoBase(tm, this, Type::typeinfoinvariant); |
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1015 } |
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1016 |
766
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1017 #endif |