Mercurial > projects > ldc
annotate gen/typinf.cpp @ 1364:46f6365a50d7
Added IrTypeFunction and IrTypeDelegate and eliminated IrDType. This means the Type::ir field can be removed. It's the final part needed for the move to a slightly more sane type system. Now the whole thing just needs to be cleaned up :P
Added -v-cg switch, which right now just prints "codegen: module.name (module/name.d)" to stdout, this can really help figuring out where, in some complex build command, things go wrong.
author | Tomas Lindquist Olsen <tomas.l.olsen gmail com> |
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date | Sat, 16 May 2009 18:19:52 +0200 |
parents | 78038e540342 |
children | 8026319762be |
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" |
54
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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" |
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43 #include "gen/metadata.h" |
1 | 44 |
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45 #include "ir/irvar.h" |
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46 #include "ir/irtype.h" |
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47 |
1 | 48 /******************************************* |
49 * Get a canonicalized form of the TypeInfo for use with the internal | |
50 * runtime library routines. Canonicalized in that static arrays are | |
51 * represented as dynamic arrays, enums are represented by their | |
52 * underlying type, etc. This reduces the number of TypeInfo's needed, | |
53 * so we can use the custom internal ones more. | |
54 */ | |
55 | |
56 Expression *Type::getInternalTypeInfo(Scope *sc) | |
57 { TypeInfoDeclaration *tid; | |
58 Expression *e; | |
59 Type *t; | |
60 static TypeInfoDeclaration *internalTI[TMAX]; | |
61 | |
62 //printf("Type::getInternalTypeInfo() %s\n", toChars()); | |
63 t = toBasetype(); | |
64 switch (t->ty) | |
65 { | |
66 case Tsarray: | |
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67 #if 0 |
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68 // convert to corresponding dynamic array type |
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69 t = t->nextOf()->mutableOf()->arrayOf(); |
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70 #endif |
1 | 71 break; |
72 | |
73 case Tclass: | |
74 if (((TypeClass *)t)->sym->isInterfaceDeclaration()) | |
75 break; | |
76 goto Linternal; | |
77 | |
78 case Tarray: | |
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79 #if DMDV2 |
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80 // convert to corresponding dynamic array type |
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81 t = t->nextOf()->mutableOf()->arrayOf(); |
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82 #endif |
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83 if (t->nextOf()->ty != Tclass) |
1 | 84 break; |
85 goto Linternal; | |
86 | |
87 case Tfunction: | |
88 case Tdelegate: | |
89 case Tpointer: | |
90 Linternal: | |
91 tid = internalTI[t->ty]; | |
92 if (!tid) | |
93 { tid = new TypeInfoDeclaration(t, 1); | |
94 internalTI[t->ty] = tid; | |
95 } | |
96 e = new VarExp(0, tid); | |
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97 e = e->addressOf(sc); |
1 | 98 e->type = tid->type; // do this so we don't get redundant dereference |
99 return e; | |
100 | |
101 default: | |
102 break; | |
103 } | |
104 //printf("\tcalling getTypeInfo() %s\n", t->toChars()); | |
105 return t->getTypeInfo(sc); | |
106 } | |
107 | |
108 /**************************************************** | |
109 * Get the exact TypeInfo. | |
110 */ | |
111 | |
112 Expression *Type::getTypeInfo(Scope *sc) | |
113 { | |
114 Expression *e; | |
115 Type *t; | |
116 | |
117 //printf("Type::getTypeInfo() %p, %s\n", this, toChars()); | |
118 t = merge(); // do this since not all Type's are merge'd | |
119 if (!t->vtinfo) | |
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120 { |
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121 #if DMDV2 |
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122 if (t->isConst()) |
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123 t->vtinfo = new TypeInfoConstDeclaration(t); |
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124 else if (t->isInvariant()) |
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125 t->vtinfo = new TypeInfoInvariantDeclaration(t); |
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126 else |
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127 #endif |
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128 t->vtinfo = t->getTypeInfoDeclaration(); |
1 | 129 assert(t->vtinfo); |
130 | |
131 /* If this has a custom implementation in std/typeinfo, then | |
132 * do not generate a COMDAT for it. | |
133 */ | |
134 if (!t->builtinTypeInfo()) | |
135 { // Generate COMDAT | |
136 if (sc) // if in semantic() pass | |
137 { // Find module that will go all the way to an object file | |
138 Module *m = sc->module->importedFrom; | |
139 m->members->push(t->vtinfo); | |
140 } | |
141 else // if in obj generation pass | |
142 { | |
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143 #if IN_DMD |
336 | 144 t->vtinfo->toObjFile(0); // TODO: multiobj |
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145 #else |
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146 t->vtinfo->codegen(sir); |
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147 #endif |
1 | 148 } |
149 } | |
150 } | |
151 e = new VarExp(0, t->vtinfo); | |
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152 e = e->addressOf(sc); |
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153 e->type = t->vtinfo->type; // do this so we don't get redundant dereference |
1 | 154 return e; |
155 } | |
156 | |
52 | 157 enum RET TypeFunction::retStyle() |
158 { | |
159 return RETstack; | |
160 } | |
1 | 161 |
162 TypeInfoDeclaration *Type::getTypeInfoDeclaration() | |
163 { | |
164 //printf("Type::getTypeInfoDeclaration() %s\n", toChars()); | |
165 return new TypeInfoDeclaration(this, 0); | |
166 } | |
167 | |
52 | 168 TypeInfoDeclaration *TypeTypedef::getTypeInfoDeclaration() |
1 | 169 { |
52 | 170 return new TypeInfoTypedefDeclaration(this); |
1 | 171 } |
172 | |
52 | 173 TypeInfoDeclaration *TypePointer::getTypeInfoDeclaration() |
174 { | |
175 return new TypeInfoPointerDeclaration(this); | |
176 } | |
1 | 177 |
178 TypeInfoDeclaration *TypeDArray::getTypeInfoDeclaration() | |
179 { | |
180 return new TypeInfoArrayDeclaration(this); | |
181 } | |
182 | |
183 TypeInfoDeclaration *TypeSArray::getTypeInfoDeclaration() | |
184 { | |
185 return new TypeInfoStaticArrayDeclaration(this); | |
186 } | |
187 | |
188 TypeInfoDeclaration *TypeAArray::getTypeInfoDeclaration() | |
189 { | |
190 return new TypeInfoAssociativeArrayDeclaration(this); | |
191 } | |
192 | |
52 | 193 TypeInfoDeclaration *TypeStruct::getTypeInfoDeclaration() |
194 { | |
195 return new TypeInfoStructDeclaration(this); | |
196 } | |
1 | 197 |
198 TypeInfoDeclaration *TypeClass::getTypeInfoDeclaration() | |
199 { | |
200 if (sym->isInterfaceDeclaration()) | |
201 return new TypeInfoInterfaceDeclaration(this); | |
202 else | |
203 return new TypeInfoClassDeclaration(this); | |
204 } | |
205 | |
206 TypeInfoDeclaration *TypeEnum::getTypeInfoDeclaration() | |
207 { | |
208 return new TypeInfoEnumDeclaration(this); | |
209 } | |
210 | |
211 TypeInfoDeclaration *TypeFunction::getTypeInfoDeclaration() | |
212 { | |
213 return new TypeInfoFunctionDeclaration(this); | |
214 } | |
215 | |
216 TypeInfoDeclaration *TypeDelegate::getTypeInfoDeclaration() | |
217 { | |
218 return new TypeInfoDelegateDeclaration(this); | |
219 } | |
220 | |
221 TypeInfoDeclaration *TypeTuple::getTypeInfoDeclaration() | |
222 { | |
223 return new TypeInfoTupleDeclaration(this); | |
224 } | |
225 | |
226 | |
227 /* ========================================================================= */ | |
228 | |
229 /* These decide if there's an instance for them already in std.typeinfo, | |
230 * because then the compiler doesn't need to build one. | |
231 */ | |
232 | |
233 int Type::builtinTypeInfo() | |
234 { | |
235 return 0; | |
236 } | |
237 | |
238 int TypeBasic::builtinTypeInfo() | |
239 { | |
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240 #if DMDV2 |
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241 return !mod; |
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242 #else |
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243 return 1; |
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244 #endif |
1 | 245 } |
246 | |
247 int TypeDArray::builtinTypeInfo() | |
248 { | |
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249 #if DMDV2 |
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250 return !mod && next->isTypeBasic() != NULL && !next->mod; |
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251 #else |
52 | 252 return next->isTypeBasic() != NULL; |
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253 #endif |
1 | 254 } |
255 | |
256 /* ========================================================================= */ | |
257 | |
52 | 258 ////////////////////////////////////////////////////////////////////////////// |
259 // MAGIC PLACE | |
260 ////////////////////////////////////////////////////////////////////////////// | |
261 | |
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262 void DtoResolveTypeInfo(TypeInfoDeclaration* tid); |
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263 void DtoDeclareTypeInfo(TypeInfoDeclaration* tid); |
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264 void DtoConstInitTypeInfo(TypeInfoDeclaration* tid); |
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265 |
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266 void TypeInfoDeclaration::codegen(Ir*) |
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267 { |
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268 DtoResolveTypeInfo(this); |
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269 } |
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270 |
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271 void DtoResolveTypeInfo(TypeInfoDeclaration* tid) |
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272 { |
173
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273 if (tid->ir.resolved) return; |
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274 tid->ir.resolved = true; |
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275 |
132 | 276 Logger::println("DtoResolveTypeInfo(%s)", tid->toChars()); |
52 | 277 LOG_SCOPE; |
65 | 278 |
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279 IrGlobal* irg = new IrGlobal(tid); |
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280 |
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281 std::string mangle(tid->mangle()); |
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282 |
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283 irg->value = gIR->module->getGlobalVariable(mangle); |
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284 if (!irg->value) |
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285 irg->value = new llvm::GlobalVariable(irg->type.get(), true, |
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286 TYPEINFO_LINKAGE_TYPE, NULL, mangle, gIR->module); |
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287 |
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288 tid->ir.irGlobal = irg; |
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289 |
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290 #ifdef USE_METADATA |
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291 // Add some metadata for use by optimization passes. |
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292 std::string metaname = std::string(TD_PREFIX) + mangle; |
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293 LLGlobalVariable* meta = gIR->module->getGlobalVariable(metaname); |
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294 // Don't generate metadata for non-concrete types |
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295 // (such as tuple types, slice types, typeof(expr), etc.) |
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296 if (!meta && tid->tinfo->toBasetype()->ty < Terror) { |
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297 // Construct the fields |
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298 MDNodeField* mdVals[TD_NumFields]; |
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299 if (TD_Confirm >= 0) |
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300 mdVals[TD_Confirm] = llvm::cast<MDNodeField>(irg->value); |
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301 mdVals[TD_Type] = llvm::UndefValue::get(DtoType(tid->tinfo)); |
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302 // Construct the metadata |
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303 llvm::MDNode* metadata = llvm::MDNode::get(mdVals, TD_NumFields); |
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304 // Insert it into the module |
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305 new llvm::GlobalVariable(metadata->getType(), true, |
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306 METADATA_LINKAGE_TYPE, metadata, metaname, gIR->module); |
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307 } |
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308 #endif |
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309 |
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310 DtoDeclareTypeInfo(tid); |
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311 } |
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312 |
102
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313 void DtoDeclareTypeInfo(TypeInfoDeclaration* tid) |
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314 { |
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315 DtoResolveTypeInfo(tid); |
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316 |
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317 if (tid->ir.declared) return; |
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318 tid->ir.declared = true; |
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319 |
132 | 320 Logger::println("DtoDeclareTypeInfo(%s)", tid->toChars()); |
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321 LOG_SCOPE; |
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322 |
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323 IrGlobal* irg = tid->ir.irGlobal; |
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324 |
102
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325 std::string mangled(tid->mangle()); |
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326 |
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327 Logger::println("type = '%s'", tid->tinfo->toChars()); |
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328 Logger::println("typeinfo mangle: %s", mangled.c_str()); |
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329 |
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330 assert(irg->value != NULL); |
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331 |
58
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332 // this is a declaration of a builtin __initZ var |
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333 if (tid->tinfo->builtinTypeInfo()) { |
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334 // fixup the global |
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335 const llvm::Type* rty = Type::typeinfo->type->irtype->getPA().get(); |
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336 llvm::cast<llvm::OpaqueType>(irg->type.get())->refineAbstractTypeTo(rty); |
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337 LLGlobalVariable* g = isaGlobalVar(irg->value); |
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338 g->setLinkage(llvm::GlobalValue::ExternalLinkage); |
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339 return; |
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340 } |
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341 |
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342 // custom typedef |
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343 DtoConstInitTypeInfo(tid); |
52 | 344 } |
345 | |
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346 void DtoConstInitTypeInfo(TypeInfoDeclaration* tid) |
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347 { |
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348 if (tid->ir.initialized) return; |
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349 tid->ir.initialized = true; |
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350 |
132 | 351 Logger::println("DtoConstInitTypeInfo(%s)", tid->toChars()); |
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352 LOG_SCOPE; |
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353 |
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354 tid->llvmDefine(); |
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355 } |
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356 |
52 | 357 /* ========================================================================= */ |
358 | |
106 | 359 void TypeInfoDeclaration::llvmDefine() |
360 { | |
361 assert(0 && "TypeInfoDeclaration::llvmDeclare"); | |
52 | 362 } |
363 | |
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364 /* ========================================================================= */ |
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365 |
106 | 366 void TypeInfoTypedefDeclaration::llvmDefine() |
367 { | |
368 Logger::println("TypeInfoTypedefDeclaration::llvmDefine() %s", toChars()); | |
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369 LOG_SCOPE; |
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370 |
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371 ClassDeclaration* base = Type::typeinfotypedef; |
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372 base->codegen(Type::sir); |
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373 |
115
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374 // vtbl |
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375 std::vector<LLConstant*> sinits; |
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376 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
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377 |
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378 // monitor |
244
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379 sinits.push_back(getNullPtr(getPtrToType(LLType::Int8Ty))); |
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380 |
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381 assert(tinfo->ty == Ttypedef); |
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382 TypeTypedef *tc = (TypeTypedef *)tinfo; |
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383 TypedefDeclaration *sd = tc->sym; |
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384 |
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385 // TypeInfo base |
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386 sd->basetype = sd->basetype->merge(); // DMD does this! |
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387 LLConstant* castbase = DtoTypeInfoOf(sd->basetype, true); |
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388 sinits.push_back(castbase); |
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389 |
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390 // char[] name |
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391 char *name = sd->toPrettyChars(); |
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392 sinits.push_back(DtoConstString(name)); |
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393 |
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394 // void[] init |
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395 const LLPointerType* initpt = getPtrToType(LLType::Int8Ty); |
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396 if (tinfo->isZeroInit() || !sd->init) // 0 initializer, or the same as the base type |
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397 { |
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398 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), getNullPtr(initpt))); |
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399 } |
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400 else |
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401 { |
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402 LLConstant* ci = DtoConstInitializer(sd->loc, sd->basetype, sd->init); |
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403 std::string ciname(sd->mangle()); |
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404 ciname.append("__init"); |
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405 llvm::GlobalVariable* civar = new llvm::GlobalVariable(DtoType(sd->basetype),true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
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406 LLConstant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
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407 size_t cisize = getTypeStoreSize(DtoType(sd->basetype)); |
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408 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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409 } |
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410 |
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411 // create the inititalizer |
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412 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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413 |
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414 // refine global type |
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415 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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416 |
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417 // set the initializer |
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418 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 419 } |
54
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420 |
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421 /* ========================================================================= */ |
52 | 422 |
106 | 423 void TypeInfoEnumDeclaration::llvmDefine() |
424 { | |
425 Logger::println("TypeInfoEnumDeclaration::llvmDefine() %s", toChars()); | |
58
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426 LOG_SCOPE; |
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427 |
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428 ClassDeclaration* base = Type::typeinfoenum; |
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429 base->codegen(Type::sir); |
58
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430 |
115
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431 // vtbl |
213
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432 std::vector<LLConstant*> sinits; |
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433 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
58
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434 |
115
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435 // monitor |
244
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436 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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437 |
58
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438 assert(tinfo->ty == Tenum); |
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439 TypeEnum *tc = (TypeEnum *)tinfo; |
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440 EnumDeclaration *sd = tc->sym; |
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441 |
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442 // TypeInfo base |
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443 LLConstant* castbase = DtoTypeInfoOf(sd->memtype, true); |
58
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444 sinits.push_back(castbase); |
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445 |
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446 // char[] name |
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447 char *name = sd->toPrettyChars(); |
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448 sinits.push_back(DtoConstString(name)); |
58
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449 |
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450 // void[] init |
244
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451 const LLPointerType* initpt = getPtrToType(LLType::Int8Ty); |
71
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452 if (tinfo->isZeroInit() || !sd->defaultval) // 0 initializer, or the same as the base type |
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453 { |
81
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454 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
71
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455 } |
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456 else |
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457 { |
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458 #if DMDV2 |
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459 assert(0 && "initializer not implemented"); |
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460 #else |
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461 const LLType* memty = DtoType(sd->memtype); |
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462 LLConstant* ci = llvm::ConstantInt::get(memty, sd->defaultval, !sd->memtype->isunsigned()); |
71
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463 std::string ciname(sd->mangle()); |
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464 ciname.append("__init"); |
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465 llvm::GlobalVariable* civar = new llvm::GlobalVariable(memty,true,llvm::GlobalValue::InternalLinkage,ci,ciname,gIR->module); |
213
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466 LLConstant* cicast = llvm::ConstantExpr::getBitCast(civar, initpt); |
133
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467 size_t cisize = getTypeStoreSize(memty); |
81
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468 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
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469 #endif |
71
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470 } |
58
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471 |
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472 // create the inititalizer |
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473 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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474 |
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475 // refine global type |
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476 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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477 |
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478 // set the initializer |
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479 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 480 } |
58
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481 |
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482 /* ========================================================================= */ |
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483 |
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484 static void LLVM_D_Define_TypeInfoBase(Type* basetype, TypeInfoDeclaration* tid, ClassDeclaration* cd) |
58
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485 { |
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486 ClassDeclaration* base = cd; |
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487 base->codegen(Type::sir); |
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488 |
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489 // vtbl |
213
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490 std::vector<LLConstant*> sinits; |
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491 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
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492 |
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493 // monitor |
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494 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
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495 |
58
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496 // TypeInfo base |
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497 LLConstant* castbase = DtoTypeInfoOf(basetype, true); |
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498 sinits.push_back(castbase); |
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499 |
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500 // create the inititalizer |
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501 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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502 |
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503 // refine global type |
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504 llvm::cast<llvm::OpaqueType>(tid->ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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505 |
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506 // set the initializer |
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507 isaGlobalVar(tid->ir.irGlobal->value)->setInitializer(tiInit); |
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508 } |
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509 |
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510 /* ========================================================================= */ |
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511 |
106 | 512 void TypeInfoPointerDeclaration::llvmDefine() |
513 { | |
514 Logger::println("TypeInfoPointerDeclaration::llvmDefine() %s", toChars()); | |
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515 LOG_SCOPE; |
52 | 516 |
517 assert(tinfo->ty == Tpointer); | |
518 TypePointer *tc = (TypePointer *)tinfo; | |
519 | |
106 | 520 LLVM_D_Define_TypeInfoBase(tc->next, this, Type::typeinfopointer); |
521 } | |
522 | |
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523 /* ========================================================================= */ |
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524 |
106 | 525 void TypeInfoArrayDeclaration::llvmDefine() |
526 { | |
527 Logger::println("TypeInfoArrayDeclaration::llvmDefine() %s", toChars()); | |
528 LOG_SCOPE; | |
529 | |
530 assert(tinfo->ty == Tarray); | |
531 TypeDArray *tc = (TypeDArray *)tinfo; | |
532 | |
533 LLVM_D_Define_TypeInfoBase(tc->next, this, Type::typeinfoarray); | |
534 } | |
535 | |
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536 /* ========================================================================= */ |
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537 |
106 | 538 void TypeInfoStaticArrayDeclaration::llvmDefine() |
52 | 539 { |
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540 Logger::println("TypeInfoStaticArrayDeclaration::llvmDefine() %s", toChars()); |
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541 LOG_SCOPE; |
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542 |
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543 // init typeinfo class |
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544 ClassDeclaration* base = Type::typeinfostaticarray; |
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545 base->codegen(Type::sir); |
58
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546 |
105
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547 // get type of typeinfo class |
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548 const LLStructType* stype = isaStruct(base->type->irtype->getPA().get()); |
52 | 549 |
105
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550 // initializer vector |
213
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551 std::vector<LLConstant*> sinits; |
105
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552 // first is always the vtable |
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553 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
105
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554 |
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555 // monitor |
244
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556 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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557 |
105
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558 // value typeinfo |
52 | 559 assert(tinfo->ty == Tsarray); |
560 TypeSArray *tc = (TypeSArray *)tinfo; | |
275
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561 LLConstant* castbase = DtoTypeInfoOf(tc->next, true); |
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562 assert(castbase->getType() == stype->getElementType(2)); |
105
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563 sinits.push_back(castbase); |
52 | 564 |
105
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565 // length |
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566 sinits.push_back(DtoConstSize_t(tc->dim->toInteger())); |
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567 |
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568 // create the inititalizer |
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569 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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570 |
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571 // refine global type |
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572 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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573 |
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574 // set the initializer |
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575 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 576 } |
105
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577 |
58
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578 /* ========================================================================= */ |
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579 |
106 | 580 void TypeInfoAssociativeArrayDeclaration::llvmDefine() |
581 { | |
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582 Logger::println("TypeInfoAssociativeArrayDeclaration::llvmDefine() %s", toChars()); |
109
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583 LOG_SCOPE; |
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584 |
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585 // init typeinfo class |
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586 ClassDeclaration* base = Type::typeinfoassociativearray; |
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587 base->codegen(Type::sir); |
109
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588 |
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589 // initializer vector |
213
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590 std::vector<LLConstant*> sinits; |
109
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591 // first is always the vtable |
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592 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
109
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593 |
115
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594 // monitor |
244
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595 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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596 |
109
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597 // get type |
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598 assert(tinfo->ty == Taarray); |
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599 TypeAArray *tc = (TypeAArray *)tinfo; |
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600 |
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601 // value typeinfo |
275
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602 LLConstant* castbase = DtoTypeInfoOf(tc->next, true); |
109
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603 sinits.push_back(castbase); |
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604 |
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605 // key typeinfo |
275
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606 castbase = DtoTypeInfoOf(tc->index, true); |
109
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607 sinits.push_back(castbase); |
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608 |
797
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609 // create the inititalizer |
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610 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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611 |
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612 // refine global type |
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613 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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614 |
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615 // set the initializer |
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616 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 617 } |
618 | |
58
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619 /* ========================================================================= */ |
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620 |
106 | 621 void TypeInfoFunctionDeclaration::llvmDefine() |
52 | 622 { |
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623 Logger::println("TypeInfoFunctionDeclaration::llvmDefine() %s", toChars()); |
58
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624 LOG_SCOPE; |
52 | 625 |
626 assert(tinfo->ty == Tfunction); | |
627 TypeFunction *tc = (TypeFunction *)tinfo; | |
628 | |
106 | 629 LLVM_D_Define_TypeInfoBase(tc->next, this, Type::typeinfofunction); |
630 } | |
631 | |
58
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632 /* ========================================================================= */ |
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633 |
106 | 634 void TypeInfoDelegateDeclaration::llvmDefine() |
52 | 635 { |
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636 Logger::println("TypeInfoDelegateDeclaration::llvmDefine() %s", toChars()); |
58
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637 LOG_SCOPE; |
52 | 638 |
639 assert(tinfo->ty == Tdelegate); | |
640 TypeDelegate *tc = (TypeDelegate *)tinfo; | |
641 | |
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642 LLVM_D_Define_TypeInfoBase(tc->nextOf()->nextOf(), this, Type::typeinfodelegate); |
106 | 643 } |
644 | |
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645 /* ========================================================================= */ |
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646 |
106 | 647 void TypeInfoStructDeclaration::llvmDefine() |
648 { | |
649 Logger::println("TypeInfoStructDeclaration::llvmDefine() %s", toChars()); | |
72 | 650 LOG_SCOPE; |
651 | |
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652 // make sure struct is resolved |
72 | 653 assert(tinfo->ty == Tstruct); |
654 TypeStruct *tc = (TypeStruct *)tinfo; | |
655 StructDeclaration *sd = tc->sym; | |
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656 |
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657 // can't emit typeinfo for forward declarations |
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658 if (sd->sizeok != 1) |
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659 { |
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660 sd->error("cannot emit TypeInfo for forward declaration"); |
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661 fatal(); |
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662 } |
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663 |
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664 sd->codegen(Type::sir); |
72 | 665 |
666 ClassDeclaration* base = Type::typeinfostruct; | |
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667 base->codegen(Type::sir); |
72 | 668 |
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669 const LLStructType* stype = isaStruct(base->type->irtype->getPA()); |
72 | 670 |
115
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671 // vtbl |
213
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672 std::vector<LLConstant*> sinits; |
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673 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
72 | 674 |
115
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675 // monitor |
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676 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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677 |
72 | 678 // char[] name |
679 char *name = sd->toPrettyChars(); | |
81
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680 sinits.push_back(DtoConstString(name)); |
110
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681 //Logger::println("************** A"); |
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682 assert(sinits.back()->getType() == stype->getElementType(2)); |
72 | 683 |
684 // void[] init | |
244
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685 const LLPointerType* initpt = getPtrToType(LLType::Int8Ty); |
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686 #if 0 |
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687 // the implementation of TypeInfo_Struct uses this to determine size. :/ |
72 | 688 if (sd->zeroInit) // 0 initializer, or the same as the base type |
689 { | |
81
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690 sinits.push_back(DtoConstSlice(DtoConstSize_t(0), llvm::ConstantPointerNull::get(initpt))); |
72 | 691 } |
692 else | |
213
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693 #endif |
72 | 694 { |
1364
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695 size_t cisize = getTypeStoreSize(tc->irtype->getPA().get()); |
1228
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696 LLConstant* cicast = llvm::ConstantExpr::getBitCast(sd->ir.irStruct->getInitSymbol(), initpt); |
81
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697 sinits.push_back(DtoConstSlice(DtoConstSize_t(cisize), cicast)); |
72 | 698 } |
699 | |
700 // toX functions ground work | |
701 FuncDeclaration *fd; | |
702 FuncDeclaration *fdx; | |
703 TypeFunction *tf; | |
704 Type *ta; | |
705 Dsymbol *s; | |
706 | |
707 static TypeFunction *tftohash; | |
708 static TypeFunction *tftostring; | |
709 | |
710 if (!tftohash) | |
711 { | |
712 Scope sc; | |
713 | |
714 tftohash = new TypeFunction(NULL, Type::thash_t, 0, LINKd); | |
715 tftohash = (TypeFunction *)tftohash->semantic(0, &sc); | |
716 | |
717 tftostring = new TypeFunction(NULL, Type::tchar->arrayOf(), 0, LINKd); | |
718 tftostring = (TypeFunction *)tftostring->semantic(0, &sc); | |
719 } | |
720 | |
721 TypeFunction *tfeqptr; | |
722 { | |
723 Scope sc; | |
724 Arguments *arguments = new Arguments; | |
725 Argument *arg = new Argument(STCin, tc->pointerTo(), NULL, NULL); | |
726 | |
727 arguments->push(arg); | |
728 tfeqptr = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
729 tfeqptr = (TypeFunction *)tfeqptr->semantic(0, &sc); | |
730 } | |
731 | |
732 #if 0 | |
733 TypeFunction *tfeq; | |
734 { | |
735 Scope sc; | |
736 Array *arguments = new Array; | |
737 Argument *arg = new Argument(In, tc, NULL, NULL); | |
738 | |
739 arguments->push(arg); | |
740 tfeq = new TypeFunction(arguments, Type::tint32, 0, LINKd); | |
741 tfeq = (TypeFunction *)tfeq->semantic(0, &sc); | |
742 } | |
743 #endif | |
744 | |
110
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745 //Logger::println("************** B"); |
244
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746 const LLPointerType* ptty = isaPointer(stype->getElementType(4)); |
115
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747 assert(ptty); |
72 | 748 |
749 s = search_function(sd, Id::tohash); | |
750 fdx = s ? s->isFuncDeclaration() : NULL; | |
751 if (fdx) | |
752 { | |
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753 fd = fdx->overloadExactMatch(tftohash, getModule()); |
72 | 754 if (fd) { |
1148
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755 fd->codegen(Type::sir); |
173
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756 assert(fd->ir.irFunc->func != 0); |
213
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757 LLConstant* c = isaConstant(fd->ir.irFunc->func); |
72 | 758 assert(c); |
759 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
760 sinits.push_back(c); | |
761 } | |
762 else { | |
763 //fdx->error("must be declared as extern (D) uint toHash()"); | |
764 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
765 } | |
766 } | |
767 else { | |
768 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
769 } | |
770 | |
771 s = search_function(sd, Id::eq); | |
772 fdx = s ? s->isFuncDeclaration() : NULL; | |
773 for (int i = 0; i < 2; i++) | |
774 { | |
110
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775 //Logger::println("************** C %d", i); |
115
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776 ptty = isaPointer(stype->getElementType(5+i)); |
72 | 777 if (fdx) |
778 { | |
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779 fd = fdx->overloadExactMatch(tfeqptr, getModule()); |
72 | 780 if (fd) { |
1148
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781 fd->codegen(Type::sir); |
173
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782 assert(fd->ir.irFunc->func != 0); |
213
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783 LLConstant* c = isaConstant(fd->ir.irFunc->func); |
72 | 784 assert(c); |
785 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
786 sinits.push_back(c); | |
787 } | |
788 else { | |
789 //fdx->error("must be declared as extern (D) int %s(%s*)", fdx->toChars(), sd->toChars()); | |
790 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
791 } | |
792 } | |
793 else { | |
794 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
795 } | |
796 | |
797 s = search_function(sd, Id::cmp); | |
798 fdx = s ? s->isFuncDeclaration() : NULL; | |
799 } | |
800 | |
110
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801 //Logger::println("************** D"); |
115
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802 ptty = isaPointer(stype->getElementType(7)); |
72 | 803 s = search_function(sd, Id::tostring); |
804 fdx = s ? s->isFuncDeclaration() : NULL; | |
805 if (fdx) | |
806 { | |
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807 fd = fdx->overloadExactMatch(tftostring, getModule()); |
72 | 808 if (fd) { |
1148
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809 fd->codegen(Type::sir); |
173
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810 assert(fd->ir.irFunc->func != 0); |
213
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811 LLConstant* c = isaConstant(fd->ir.irFunc->func); |
72 | 812 assert(c); |
813 c = llvm::ConstantExpr::getBitCast(c, ptty); | |
814 sinits.push_back(c); | |
815 } | |
816 else { | |
817 //fdx->error("must be declared as extern (D) char[] toString()"); | |
818 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
819 } | |
820 } | |
821 else { | |
822 sinits.push_back(llvm::ConstantPointerNull::get(ptty)); | |
823 } | |
824 | |
825 // uint m_flags; | |
81
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826 sinits.push_back(DtoConstUint(tc->hasPointers())); |
72 | 827 |
758
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828 #if DMDV2 |
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829 |
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830 // const(MemberInfo[]) function(in char[]) xgetMembers; |
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831 sinits.push_back(LLConstant::getNullValue(stype->getElementType(sinits.size()))); |
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832 |
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833 //void function(void*) xdtor; |
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834 sinits.push_back(LLConstant::getNullValue(stype->getElementType(sinits.size()))); |
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835 |
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836 //void function(void*) xpostblit; |
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837 sinits.push_back(LLConstant::getNullValue(stype->getElementType(sinits.size()))); |
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838 |
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839 #endif |
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840 |
797
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841 // create the inititalizer |
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842 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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843 |
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844 // refine global type |
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845 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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846 |
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847 // set the initializer |
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848 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 849 } |
850 | |
58
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851 /* ========================================================================= */ |
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852 |
106 | 853 void TypeInfoClassDeclaration::llvmDefine() |
854 { | |
855 Logger::println("TypeInfoClassDeclaration::llvmDefine() %s", toChars()); | |
856 LOG_SCOPE; | |
857 | |
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858 // make sure class is resolved |
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859 assert(tinfo->ty == Tclass); |
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860 TypeClass *tc = (TypeClass *)tinfo; |
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861 tc->sym->codegen(Type::sir); |
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862 |
106 | 863 // init typeinfo class |
864 ClassDeclaration* base = Type::typeinfoclass; | |
865 assert(base); | |
1148
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866 base->codegen(Type::sir); |
106 | 867 |
868 // initializer vector | |
213
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869 std::vector<LLConstant*> sinits; |
106 | 870 // first is always the vtable |
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871 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
106 | 872 |
115
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873 // monitor |
244
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874 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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875 |
106 | 876 // get classinfo |
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877 sinits.push_back(tc->sym->ir.irStruct->getClassInfoSymbol()); |
106 | 878 |
797
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879 // create the inititalizer |
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880 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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881 |
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882 // refine global type |
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883 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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884 |
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885 // set the initializer |
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886 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 887 } |
888 | |
58
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889 /* ========================================================================= */ |
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890 |
106 | 891 void TypeInfoInterfaceDeclaration::llvmDefine() |
892 { | |
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893 Logger::println("TypeInfoInterfaceDeclaration::llvmDefine() %s", toChars()); |
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894 LOG_SCOPE; |
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895 |
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896 // make sure interface is resolved |
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897 assert(tinfo->ty == Tclass); |
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898 TypeClass *tc = (TypeClass *)tinfo; |
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899 tc->sym->codegen(Type::sir); |
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900 |
113
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901 // init typeinfo class |
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902 ClassDeclaration* base = Type::typeinfointerface; |
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903 assert(base); |
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904 base->codegen(Type::sir); |
113
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905 |
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|
906 // get type of typeinfo class |
1364
46f6365a50d7
Added IrTypeFunction and IrTypeDelegate and eliminated IrDType. This means the Type::ir field can be removed. It's the final part needed for the move to a slightly more sane type system. Now the whole thing just needs to be cleaned up :P
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|
907 const LLStructType* stype = isaStruct(base->type->irtype->getPA()); |
113
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|
908 |
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|
909 // initializer vector |
213
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|
910 std::vector<LLConstant*> sinits; |
113
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|
911 // first is always the vtable |
1228
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Added Doxygen file.
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|
912 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
113
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913 |
115
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914 // monitor |
244
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|
915 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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916 |
113
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917 // get classinfo |
1228
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Added Doxygen file.
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|
918 sinits.push_back(tc->sym->ir.irStruct->getClassInfoSymbol()); |
113
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919 |
797
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|
920 // create the inititalizer |
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|
921 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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|
922 |
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|
923 // refine global type |
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|
924 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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|
925 |
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|
926 // set the initializer |
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|
927 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 928 } |
929 | |
58
2c3cd3596187
[svn r62] Added support for TypeInfo _Array, _Function, _Pointer, _Delegate, _Enum
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|
930 /* ========================================================================= */ |
2c3cd3596187
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|
931 |
106 | 932 void TypeInfoTupleDeclaration::llvmDefine() |
933 { | |
113
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934 Logger::println("TypeInfoTupleDeclaration::llvmDefine() %s", toChars()); |
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|
935 LOG_SCOPE; |
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|
936 |
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|
937 // init typeinfo class |
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|
938 ClassDeclaration* base = Type::typeinfotypelist; |
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|
939 assert(base); |
1148
3d1b16dabd25
Eliminated the need for resolve, declare, const-init and define lists to drive code generation.
Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
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|
940 base->codegen(Type::sir); |
113
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|
941 |
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|
942 // get type of typeinfo class |
1364
46f6365a50d7
Added IrTypeFunction and IrTypeDelegate and eliminated IrDType. This means the Type::ir field can be removed. It's the final part needed for the move to a slightly more sane type system. Now the whole thing just needs to be cleaned up :P
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
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|
943 const LLStructType* stype = isaStruct(base->type->irtype->getPA()); |
113
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944 |
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|
945 // initializer vector |
213
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|
946 std::vector<LLConstant*> sinits; |
113
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|
947 // first is always the vtable |
1228
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Added Doxygen file.
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|
948 sinits.push_back(base->ir.irStruct->getVtblSymbol()); |
113
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949 |
115
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950 // monitor |
244
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|
951 sinits.push_back(llvm::ConstantPointerNull::get(getPtrToType(LLType::Int8Ty))); |
115
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|
952 |
113
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|
953 // create elements array |
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|
954 assert(tinfo->ty == Ttuple); |
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955 TypeTuple *tu = (TypeTuple *)tinfo; |
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|
956 |
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|
957 size_t dim = tu->arguments->dim; |
213
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958 std::vector<LLConstant*> arrInits; |
113
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|
959 |
1364
46f6365a50d7
Added IrTypeFunction and IrTypeDelegate and eliminated IrDType. This means the Type::ir field can be removed. It's the final part needed for the move to a slightly more sane type system. Now the whole thing just needs to be cleaned up :P
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|
960 const LLType* tiTy = Type::typeinfo->type->irtype->getPA(); |
133
44a95ac7368a
[svn r137] Many fixes towards tango.io.Console working, but not quite there yet...
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|
961 tiTy = getPtrToType(tiTy); |
113
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|
962 |
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963 for (size_t i = 0; i < dim; i++) |
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964 { |
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965 Argument *arg = (Argument *)tu->arguments->data[i]; |
275
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966 LLConstant* castbase = DtoTypeInfoOf(arg->type, true); |
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967 assert(castbase->getType() == tiTy); |
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|
968 arrInits.push_back(castbase); |
113
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969 } |
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|
970 |
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|
971 // build array type |
244
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|
972 const LLArrayType* arrTy = LLArrayType::get(tiTy, dim); |
213
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973 LLConstant* arrC = llvm::ConstantArray::get(arrTy, arrInits); |
113
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974 |
522
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
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|
975 // need the pointer to the first element of arrC, so create a global for it |
918
a4fcc13da3cd
Changed templates and typeinfo to use linkonce linkage instead of weak linkage, this should fix inlining problems, fixing bug #197 . If problems show up, it's easy to change it back by changing the define in mars.h . I'm 95% sure this is safe, given how we handle templates.
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diff
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|
976 llvm::GlobalValue::LinkageTypes _linkage = llvm::GlobalValue::InternalLinkage; |
522
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
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parents:
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changeset
|
977 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(arrTy,true,_linkage,arrC,".tupleelements",gIR->module); |
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
Christian Kamm <kamm incasoftware de>
parents:
508
diff
changeset
|
978 |
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
Christian Kamm <kamm incasoftware de>
parents:
508
diff
changeset
|
979 // get pointer to first element |
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
Christian Kamm <kamm incasoftware de>
parents:
508
diff
changeset
|
980 llvm::ConstantInt* zero = DtoConstSize_t(0); |
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
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508
diff
changeset
|
981 LLConstant* idxs[2] = { zero, zero }; |
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
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parents:
508
diff
changeset
|
982 LLConstant* arrptr = llvm::ConstantExpr::getGetElementPtr(gvar, idxs, 2); |
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
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parents:
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|
983 |
113
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|
984 // build the slice |
522
cd4eeb6cc5f6
Fix TypeInfo_Tuple array initialization.
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parents:
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diff
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|
985 LLConstant* slice = DtoConstSlice(DtoConstSize_t(dim), arrptr); |
113
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|
986 sinits.push_back(slice); |
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|
987 |
797
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|
988 // create the inititalizer |
340acf1535d0
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|
989 LLConstant* tiInit = llvm::ConstantStruct::get(sinits); |
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|
990 |
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|
991 // refine global type |
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|
992 llvm::cast<llvm::OpaqueType>(ir.irGlobal->type.get())->refineAbstractTypeTo(tiInit->getType()); |
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|
993 |
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|
994 // set the initializer |
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|
995 isaGlobalVar(ir.irGlobal->value)->setInitializer(tiInit); |
106 | 996 } |
997 | |
758
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|
998 /* ========================================================================= */ |
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|
999 |
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|
1000 #if DMDV2 |
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1001 |
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|
1002 void TypeInfoConstDeclaration::llvmDefine() |
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|
1003 { |
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|
1004 Logger::println("TypeInfoConstDeclaration::llvmDefine() %s", toChars()); |
758
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1005 LOG_SCOPE; |
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1006 |
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|
1007 Type *tm = tinfo->mutableOf(); |
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1008 tm = tm->merge(); |
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1009 |
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|
1010 LLVM_D_Define_TypeInfoBase(tm, this, Type::typeinfoconst); |
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1011 } |
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1012 |
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1013 /* ========================================================================= */ |
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1014 |
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1015 void TypeInfoInvariantDeclaration::llvmDefine() |
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1016 { |
1146
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|
1017 Logger::println("TypeInfoInvariantDeclaration::llvmDefine() %s", toChars()); |
761
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1018 LOG_SCOPE; |
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1019 |
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1020 Type *tm = tinfo->mutableOf(); |
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1021 tm = tm->merge(); |
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changeset
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1022 |
fa306ca8843b
Applied fvbommel's patch from #112
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
758
diff
changeset
|
1023 LLVM_D_Define_TypeInfoBase(tm, this, Type::typeinfoinvariant); |
758
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
663
diff
changeset
|
1024 } |
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
663
diff
changeset
|
1025 |
766
af04bbae8553
D2: Fixed global constants not initialized until module constructor.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
764
diff
changeset
|
1026 #endif |