Mercurial > projects > ldc
annotate gen/tollvm.c @ 8:5e69b77a5c51 trunk
[svn r12] fixed accessing aggregate fields of aggregates
removed some useless branches for successive scopes ala {}{}{}
| author | lindquist |
|---|---|
| date | Thu, 27 Sep 2007 06:03:06 +0200 |
| parents | 35d93ce68cf4 |
| children | dafae18f9c08 |
| rev | line source |
|---|---|
| 1 | 1 #include <iostream> |
| 2 | |
| 3 #include "llvm/Constants.h" | |
| 4 #include "llvm/Type.h" | |
| 5 #include "llvm/DerivedTypes.h" | |
| 6 #include "llvm/GlobalValue.h" | |
| 7 #include "llvm/Instructions.h" | |
| 8 #include "llvm/CallingConv.h" | |
| 9 | |
| 10 #include "mtype.h" | |
| 11 #include "dsymbol.h" | |
| 12 #include "aggregate.h" | |
| 13 #include "declaration.h" | |
| 14 #include "init.h" | |
| 15 | |
|
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16 #include "gen/tollvm.h" |
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17 #include "gen/irstate.h" |
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18 #include "gen/logger.h" |
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19 #include "gen/runtime.h" |
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20 #include "gen/elem.h" |
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21 #include "gen/arrays.h" |
| 1 | 22 |
| 23 const llvm::Type* LLVM_DtoType(Type* t) | |
| 24 { | |
| 25 assert(t); | |
| 26 switch (t->ty) | |
| 27 { | |
| 28 // integers | |
| 29 case Tint8: | |
| 30 case Tuns8: | |
| 31 case Tchar: | |
| 32 return (const llvm::Type*)llvm::Type::Int8Ty; | |
| 33 case Tint16: | |
| 34 case Tuns16: | |
| 35 case Twchar: | |
| 36 return (const llvm::Type*)llvm::Type::Int16Ty; | |
| 37 case Tint32: | |
| 38 case Tuns32: | |
| 39 case Tdchar: | |
| 40 return (const llvm::Type*)llvm::Type::Int32Ty; | |
| 41 case Tint64: | |
| 42 case Tuns64: | |
| 43 return (const llvm::Type*)llvm::Type::Int64Ty; | |
| 44 | |
| 45 case Tbool: | |
| 46 return (const llvm::Type*)llvm::ConstantInt::getTrue()->getType(); | |
| 47 | |
| 48 // floats | |
| 49 case Tfloat32: | |
| 50 return llvm::Type::FloatTy; | |
| 51 case Tfloat64: | |
| 52 case Tfloat80: | |
| 53 return llvm::Type::DoubleTy; | |
| 54 | |
| 55 // pointers | |
| 56 case Tpointer: { | |
| 57 assert(t->next); | |
| 58 if (t->next->ty == Tvoid) | |
| 59 return (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 60 else | |
| 61 return (const llvm::Type*)llvm::PointerType::get(LLVM_DtoType(t->next)); | |
| 62 } | |
| 63 | |
| 64 // arrays | |
| 65 case Tarray: | |
| 66 return LLVM_DtoArrayType(t); | |
| 67 case Tsarray: | |
| 68 return LLVM_DtoStaticArrayType(t); | |
| 69 | |
| 70 // void | |
| 71 case Tvoid: | |
| 72 return llvm::Type::VoidTy; | |
| 73 | |
| 74 // aggregates | |
| 75 case Tstruct: { | |
| 76 if (t->llvmType == 0) | |
| 77 { | |
| 78 // recursive or cyclic declaration | |
| 79 if (!gIR->structs.empty()) | |
| 80 { | |
| 81 IRStruct* found = 0; | |
| 82 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 83 { | |
| 84 if (t == i->type) | |
| 85 { | |
| 86 return i->recty.get(); | |
| 87 } | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 // forward declaration | |
| 92 TypeStruct* ts = (TypeStruct*)t; | |
| 93 assert(ts->sym); | |
| 94 ts->sym->toObjFile(); | |
| 95 } | |
| 96 return t->llvmType; | |
| 97 } | |
| 98 | |
| 99 case Tclass: { | |
| 100 if (t->llvmType == 0) | |
| 101 { | |
| 6 | 102 // recursive or cyclic declaration |
| 103 if (!gIR->structs.empty()) | |
| 104 { | |
| 105 IRStruct* found = 0; | |
| 106 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 107 { | |
| 108 if (t == i->type) | |
| 109 { | |
| 110 return llvm::PointerType::get(i->recty.get()); | |
| 111 } | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 // forward declaration | |
| 1 | 116 TypeClass* tc = (TypeClass*)t; |
| 117 assert(tc->sym); | |
| 6 | 118 tc->sym->toObjFile(); |
| 1 | 119 } |
| 120 return llvm::PointerType::get(t->llvmType); | |
| 121 } | |
| 122 | |
| 123 // functions | |
| 124 case Tfunction: | |
| 125 { | |
| 126 if (t->llvmType == 0) { | |
| 127 return LLVM_DtoFunctionType(t); | |
| 128 } | |
| 129 else { | |
| 130 return t->llvmType; | |
| 131 } | |
| 132 } | |
| 6 | 133 |
| 1 | 134 // delegates |
| 135 case Tdelegate: | |
| 136 { | |
| 137 if (t->llvmType == 0) { | |
| 138 return LLVM_DtoDelegateType(t); | |
| 139 } | |
| 140 else { | |
| 141 return t->llvmType; | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 // typedefs | |
| 146 case Ttypedef: | |
| 147 { | |
| 148 Type* bt = t->toBasetype(); | |
| 149 assert(bt); | |
| 150 return LLVM_DtoType(bt); | |
| 151 } | |
| 152 | |
| 153 default: | |
| 154 printf("trying to convert unknown type with value %d\n", t->ty); | |
| 155 assert(0); | |
| 156 } | |
| 157 return 0; | |
| 158 } | |
| 159 | |
| 160 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 161 | |
| 162 llvm::FunctionType* LLVM_DtoFunctionType(Type* t, const llvm::Type* thisparam) | |
| 163 { | |
| 164 TypeFunction* f = (TypeFunction*)t; | |
| 165 | |
| 166 // parameter types | |
| 167 const llvm::Type* rettype; | |
| 168 std::vector<const llvm::Type*> paramvec; | |
| 169 | |
| 170 TY retty = f->next->ty; | |
| 171 | |
| 172 if (retty == Tstruct || retty == Tdelegate || retty == Tarray) { | |
| 173 rettype = llvm::PointerType::get(LLVM_DtoType(f->next)); | |
| 174 paramvec.push_back(rettype); | |
| 175 rettype = llvm::Type::VoidTy; | |
| 176 } | |
| 177 else { | |
| 178 Type* rt = f->next; | |
| 179 if (rt) | |
| 180 rettype = LLVM_DtoType(rt); | |
| 181 else | |
| 182 assert(0); | |
| 183 } | |
| 184 | |
| 185 if (thisparam) { | |
| 186 paramvec.push_back(thisparam); | |
| 187 } | |
| 188 | |
| 189 size_t n = Argument::dim(f->parameters); | |
| 190 for (int i=0; i < n; ++i) { | |
| 191 Argument* arg = Argument::getNth(f->parameters, i); | |
| 192 // ensure scalar | |
| 193 Type* argT = arg->type; | |
| 194 assert(argT); | |
| 195 paramvec.push_back(LLVM_DtoType(argT)); | |
| 196 } | |
| 197 | |
| 198 Logger::cout() << "Return type: " << *rettype << '\n'; | |
| 199 | |
| 200 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, f->varargs); | |
| 201 return functype; | |
| 202 } | |
| 203 | |
| 204 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 205 | |
| 206 llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl) | |
| 207 { | |
| 208 TypeFunction* f = (TypeFunction*)fdecl->type; | |
| 209 assert(f != 0); | |
| 210 | |
| 211 // has already been pulled in by a reference to ( | |
| 212 if (f->llvmType != 0) { | |
| 213 return llvm::cast<llvm::FunctionType>(f->llvmType); | |
| 214 } | |
| 215 | |
| 216 // return value type | |
| 217 const llvm::Type* rettype; | |
| 218 const llvm::Type* actualRettype; | |
| 219 Type* rt = f->next; | |
| 220 bool retinptr = false; | |
| 221 bool usesthis = false; | |
| 222 | |
| 223 if (fdecl->isMain()) { | |
| 224 rettype = llvm::Type::Int32Ty; | |
| 225 actualRettype = rettype; | |
| 226 } | |
| 227 else if (rt) { | |
| 228 if (rt->ty == Tstruct || rt->ty == Tdelegate || rt->ty == Tarray) { | |
| 229 rettype = llvm::PointerType::get(LLVM_DtoType(rt)); | |
| 230 actualRettype = llvm::Type::VoidTy; | |
| 231 f->llvmRetInPtr = retinptr = true; | |
| 232 } | |
| 233 else { | |
| 234 rettype = LLVM_DtoType(rt); | |
| 235 actualRettype = rettype; | |
| 236 } | |
| 237 } | |
| 238 else { | |
| 239 assert(0); | |
| 240 } | |
| 241 | |
| 242 // parameter types | |
| 243 std::vector<const llvm::Type*> paramvec; | |
| 244 | |
| 245 if (retinptr) { | |
| 246 Logger::print("returning through pointer parameter\n"); | |
| 247 paramvec.push_back(rettype); | |
| 248 } | |
| 249 | |
| 250 if (fdecl->needThis() && fdecl->vthis) { | |
| 251 Logger::print("this is: %s\n", fdecl->vthis->type->toChars()); | |
| 252 paramvec.push_back(LLVM_DtoType(fdecl->vthis->type)); | |
| 253 usesthis = true; | |
| 254 } | |
| 255 | |
| 256 size_t n = Argument::dim(f->parameters); | |
| 257 for (int i=0; i < n; ++i) { | |
| 258 Argument* arg = Argument::getNth(f->parameters, i); | |
| 259 // ensure scalar | |
| 260 Type* argT = arg->type; | |
| 261 assert(argT); | |
| 262 | |
| 263 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { | |
| 264 //assert(arg->vardecl); | |
| 265 //arg->vardecl->refparam = true; | |
| 266 } | |
| 267 else | |
| 268 arg->llvmCopy = true; | |
| 269 | |
| 270 const llvm::Type* at = LLVM_DtoType(argT); | |
| 271 if (llvm::isa<llvm::StructType>(at)) { | |
| 272 Logger::println("struct param"); | |
| 273 paramvec.push_back(llvm::PointerType::get(at)); | |
| 274 } | |
| 275 else if (llvm::isa<llvm::ArrayType>(at)) { | |
| 276 Logger::println("sarray param"); | |
| 277 assert(argT->ty == Tsarray); | |
| 278 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); | |
| 279 paramvec.push_back(llvm::PointerType::get(at)); | |
| 280 } | |
| 281 else { | |
| 282 if (!arg->llvmCopy) { | |
| 283 Logger::println("ref param"); | |
| 284 at = llvm::PointerType::get(at); | |
| 285 } | |
| 286 else { | |
| 287 Logger::println("in param"); | |
| 288 } | |
| 289 paramvec.push_back(at); | |
| 290 } | |
| 291 } | |
| 292 | |
| 293 // construct function type | |
| 294 bool isvararg = f->varargs; | |
| 295 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); | |
| 296 | |
| 297 f->llvmType = functype; | |
| 298 return functype; | |
| 299 } | |
| 300 | |
| 301 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 302 | |
| 303 llvm::StructType* LLVM_DtoDelegateType(Type* t) | |
| 304 { | |
| 305 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 306 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
| 307 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
| 308 | |
| 309 std::vector<const llvm::Type*> types; | |
| 310 types.push_back(i8ptr); | |
| 311 types.push_back(funcptr); | |
| 312 return llvm::StructType::get(types); | |
| 313 } | |
| 314 | |
| 315 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 316 | |
| 317 llvm::Type* LLVM_DtoStructType(Type* t) | |
| 318 { | |
| 319 assert(0); | |
| 320 std::vector<const llvm::Type*> types; | |
| 321 return llvm::StructType::get(types); | |
| 322 } | |
| 323 | |
| 324 | |
| 325 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 326 | |
| 327 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
| 328 { | |
| 329 assert(bits == 32 || bits == 64); | |
| 330 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 331 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 332 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 333 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 334 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 335 | |
| 336 assert(gIR); | |
| 337 assert(gIR->module); | |
| 338 | |
| 339 // parameter types | |
| 340 std::vector<const llvm::Type*> pvec; | |
| 341 pvec.push_back(int8ptrty); | |
| 342 pvec.push_back(set?int8ty:int8ptrty); | |
| 343 pvec.push_back(bits==32?int32ty:int64ty); | |
| 344 pvec.push_back(int32ty); | |
| 345 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 346 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 347 } | |
| 348 | |
| 349 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 350 | |
| 351 // llvm.memset.i32 | |
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352 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 353 { |
| 354 static llvm::Function* _func = 0; | |
| 355 if (_func == 0) { | |
| 356 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 357 } | |
| 358 return _func; | |
| 359 } | |
| 360 | |
| 361 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 362 | |
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363 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 364 { |
| 365 static llvm::Function* _func = 0; | |
| 366 if (_func == 0) { | |
| 367 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 368 } | |
| 369 return _func; | |
| 370 } | |
| 371 | |
| 372 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 373 | |
| 374 // llvm.memcpy.i32 | |
|
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375 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 376 { |
| 377 static llvm::Function* _func = 0; | |
| 378 if (_func == 0) { | |
| 379 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 380 } | |
| 381 return _func; | |
| 382 } | |
| 383 | |
| 384 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 385 | |
| 386 // llvm.memcpy.i64 | |
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387 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 388 { |
| 389 static llvm::Function* _func = 0; | |
| 390 if (_func == 0) { | |
| 391 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 392 } | |
| 393 return _func; | |
| 394 } | |
| 395 | |
| 396 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 397 | |
| 398 llvm::Value* LLVM_DtoStructZeroInit(TypeStruct* t, llvm::Value* v) | |
| 399 { | |
| 400 assert(gIR); | |
| 401 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 402 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 403 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 404 | |
| 405 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
| 406 | |
| 407 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 408 std::vector<llvm::Value*> llargs; | |
| 409 llargs.resize(4); | |
| 410 llargs[0] = sarr; | |
| 411 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 412 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 413 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 414 | |
| 415 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 416 | |
| 417 return ret; | |
| 418 } | |
| 419 | |
| 420 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 421 | |
| 422 llvm::Value* LLVM_DtoStructCopy(TypeStruct* t, llvm::Value* dst, llvm::Value* src) | |
| 423 { | |
| 424 assert(dst->getType() == src->getType()); | |
| 425 assert(gIR); | |
| 426 | |
| 427 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 428 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 429 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 430 | |
| 431 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 432 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 433 | |
| 434 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 435 std::vector<llvm::Value*> llargs; | |
| 436 llargs.resize(4); | |
| 437 llargs[0] = dstarr; | |
| 438 llargs[1] = srcarr; | |
| 439 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 440 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 441 | |
| 442 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 443 } | |
| 444 | |
| 445 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 446 llvm::Constant* LLVM_DtoStructInitializer(StructInitializer* si) | |
| 447 { | |
| 448 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
| 449 size_t n = structtype->getNumElements(); | |
| 450 | |
| 451 assert(si->value.dim == si->vars.dim); | |
| 452 | |
| 453 std::vector<llvm::Constant*> inits; | |
| 454 inits.resize(n, NULL); | |
| 455 for (int i = 0; i < si->value.dim; ++i) | |
| 456 { | |
| 457 Initializer* ini = (Initializer*)si->value.data[i]; | |
| 458 assert(ini); | |
| 459 | |
| 460 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
| 461 assert(vd); | |
| 462 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
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463 |
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464 std::vector<unsigned> idxs; |
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465 si->ad->offsetToIndex(vd->offset, idxs); |
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466 assert(idxs.size() == 1); |
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467 unsigned idx = idxs[0]; |
| 1 | 468 |
| 469 llvm::Constant* v = 0; | |
| 470 | |
| 471 if (ExpInitializer* ex = ini->isExpInitializer()) | |
| 472 { | |
| 473 elem* e = ex->exp->toElem(gIR); | |
| 474 v = llvm::cast<llvm::Constant>(e->val); | |
| 475 delete e; | |
| 476 } | |
| 477 else if (StructInitializer* si = ini->isStructInitializer()) | |
| 478 { | |
| 479 v = LLVM_DtoStructInitializer(si); | |
| 480 } | |
| 481 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
| 482 { | |
| 483 v = LLVM_DtoArrayInitializer(ai); | |
| 484 } | |
| 485 else if (ini->isVoidInitializer()) | |
| 486 { | |
| 487 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
| 488 } | |
| 489 else | |
| 490 assert(v); | |
| 491 | |
| 492 inits[idx] = v; | |
| 493 } | |
| 494 | |
| 495 // fill out nulls | |
| 496 assert(si->ad->llvmInitZ); | |
| 497 if (si->ad->llvmInitZ->isNullValue()) | |
| 498 { | |
| 499 for (int i = 0; i < n; ++i) | |
| 500 { | |
| 501 if (inits[i] == 0) | |
| 502 { | |
| 503 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
| 504 } | |
| 505 } | |
| 506 } | |
| 507 else | |
| 508 { | |
| 509 for (int i = 0; i < n; ++i) | |
| 510 { | |
| 511 if (inits[i] == 0) | |
| 512 { | |
| 513 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
| 514 } | |
| 515 } | |
| 516 } | |
| 517 | |
| 518 return llvm::ConstantStruct::get(structtype, inits); | |
| 519 } | |
| 520 | |
| 521 | |
| 522 | |
| 523 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 524 | |
| 525 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
| 526 { | |
| 527 assert(gIR); | |
| 528 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 529 | |
| 530 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 531 | |
| 532 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 533 | |
| 534 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 535 std::vector<llvm::Value*> llargs; | |
| 536 llargs.resize(4); | |
| 537 llargs[0] = arr; | |
| 538 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 539 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 540 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 541 | |
| 542 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 543 | |
| 544 return ret; | |
| 545 } | |
| 546 | |
| 547 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 548 | |
| 549 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
| 550 { | |
| 551 assert(dst->getType() == src->getType()); | |
| 552 assert(gIR); | |
| 553 | |
| 554 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 555 | |
| 556 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 557 | |
| 558 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 559 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 560 | |
| 561 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 562 std::vector<llvm::Value*> llargs; | |
| 563 llargs.resize(4); | |
| 564 llargs[0] = dstarr; | |
| 565 llargs[1] = srcarr; | |
| 566 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 567 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 568 | |
| 569 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 570 } | |
| 571 | |
| 572 | |
| 573 | |
| 574 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 575 | |
| 576 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
| 577 { | |
| 578 switch(prot) | |
| 579 { | |
| 580 case PROTprivate: | |
| 581 return llvm::GlobalValue::InternalLinkage; | |
| 582 | |
| 583 case PROTpublic: | |
| 584 case PROTpackage: | |
| 585 case PROTprotected: | |
| 586 case PROTexport: | |
| 587 return llvm::GlobalValue::ExternalLinkage; | |
| 588 | |
| 589 case PROTundefined: | |
| 590 case PROTnone: | |
| 591 assert(0 && "Unsupported linkage type"); | |
| 592 } | |
| 593 return llvm::GlobalValue::ExternalLinkage; | |
| 594 | |
| 595 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 596 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 597 GhostLinkage */ | |
| 598 } | |
| 599 | |
| 600 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 601 | |
| 602 unsigned LLVM_DtoCallingConv(LINK l) | |
| 603 { | |
| 604 if (l == LINKc) | |
| 605 return llvm::CallingConv::C; | |
| 606 else if (l == LINKd || l == LINKdefault) | |
| 607 return llvm::CallingConv::Fast; | |
| 608 else if (l == LINKwindows) | |
| 609 return llvm::CallingConv::X86_StdCall; | |
| 610 else | |
| 611 assert(0 && "Unsupported calling convention"); | |
| 612 } | |
| 613 | |
| 614 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 615 | |
| 616 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
| 617 { | |
| 618 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 619 const llvm::Type* valTy = val->getType(); | |
| 620 // ptr points to val's type | |
| 621 if (ptrTy == valTy) | |
| 622 { | |
| 623 return val; | |
| 624 } | |
| 625 // ptr is integer pointer | |
| 626 else if (ptrTy->isInteger()) | |
| 627 { | |
| 628 // val is integer | |
| 629 assert(valTy->isInteger()); | |
| 630 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 631 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 632 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 633 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 634 } | |
| 635 else | |
| 636 assert(0); | |
| 637 } | |
| 638 // something else unsupported | |
| 639 else | |
| 640 { | |
| 641 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 642 assert(0); | |
| 643 } | |
| 644 return 0; | |
| 645 } | |
| 646 | |
| 647 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 648 | |
| 649 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
| 650 { | |
| 651 const llvm::Type* t = val->getType(); | |
| 652 if (t->isInteger()) | |
| 653 { | |
| 654 if (t == llvm::Type::Int1Ty) | |
| 655 return val; | |
| 656 else { | |
| 657 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 658 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 659 } | |
| 660 } | |
| 661 else if (llvm::isa<llvm::PointerType>(t)) { | |
| 662 const llvm::Type* st = LLVM_DtoSize_t(); | |
| 663 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
| 664 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 665 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 666 } | |
| 667 else | |
| 668 { | |
| 669 Logger::cout() << *t << '\n'; | |
| 670 } | |
| 671 assert(0); | |
| 672 return 0; | |
| 673 } | |
| 674 | |
| 675 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 676 | |
| 677 const llvm::Type* LLVM_DtoSize_t() | |
| 678 { | |
| 679 if (global.params.is64bit) | |
| 680 return llvm::Type::Int64Ty; | |
| 681 else | |
| 682 return llvm::Type::Int32Ty; | |
| 683 } | |
| 684 | |
| 685 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 686 | |
| 687 void LLVM_DtoMain() | |
| 688 { | |
| 689 // emit main function llvm style | |
| 690 // int main(int argc, char**argv, char**env); | |
| 691 | |
| 692 assert(gIR != 0); | |
| 693 IRState& ir = *gIR; | |
| 694 | |
| 695 assert(ir.emitMain && ir.mainFunc); | |
| 696 | |
| 697 // parameter types | |
| 698 std::vector<const llvm::Type*> pvec; | |
| 699 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 700 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 701 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 702 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 703 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 704 | |
| 705 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 706 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 707 | |
| 708 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 709 | |
| 710 // call static ctors | |
| 711 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 712 new llvm::CallInst(fn,"",bb); | |
| 713 | |
| 714 // call user main function | |
| 715 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 716 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
| 717 | |
| 718 // call static dtors | |
| 719 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 720 new llvm::CallInst(fn,"",bb); | |
| 721 | |
| 722 // return | |
| 723 new llvm::ReturnInst(call,bb); | |
| 724 | |
| 725 /* | |
| 726 // return value type | |
| 727 const llvm::Type* rettype; | |
| 728 Type* rt = f->next; | |
| 729 if (rt) { | |
| 730 rettype = LLVM_DtoType(rt); | |
| 731 } | |
| 732 else { | |
| 733 assert(0); | |
| 734 } | |
| 735 | |
| 736 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, false); | |
| 737 */ | |
| 738 } | |
| 739 | |
| 740 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 741 | |
| 742 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
| 743 { | |
| 744 Array* arr = &tc->sym->dtors; | |
| 745 for (size_t i=0; i<arr->dim; i++) | |
| 746 { | |
| 747 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 748 assert(fd->llvmValue); | |
| 749 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 750 } | |
| 751 } | |
| 752 | |
| 753 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 754 | |
| 755 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
| 756 { | |
| 757 assert(tc->llvmInit); | |
| 758 assert(dst->getType() == tc->llvmInit->getType()); | |
| 759 assert(gIR); | |
| 760 | |
| 761 assert(tc->llvmType); | |
| 762 uint64_t n = gTargetData->getTypeSize(tc->llvmType); | |
| 763 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 764 | |
| 765 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 766 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); | |
| 767 | |
| 768 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 769 std::vector<llvm::Value*> llargs; | |
| 770 llargs.resize(4); | |
| 771 llargs[0] = dstarr; | |
| 772 llargs[1] = srcarr; | |
| 773 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 774 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 775 | |
| 776 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 777 } | |
| 778 | |
| 779 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 780 | |
| 781 llvm::Constant* LLVM_DtoInitializer(Type* type, Initializer* init) | |
| 782 { | |
| 783 llvm::Constant* _init = 0; | |
| 784 if (!init) | |
| 785 { | |
| 786 elem* e = type->defaultInit()->toElem(gIR); | |
| 787 if (!e->inplace && !e->isNull()) { | |
| 788 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 789 } | |
| 790 delete e; | |
| 791 } | |
| 792 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 793 { | |
| 794 elem* e = ex->exp->toElem(gIR); | |
| 795 if (!e->inplace && !e->isNull()) { | |
| 796 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 797 } | |
| 798 delete e; | |
| 799 } | |
| 800 else if (StructInitializer* si = init->isStructInitializer()) | |
| 801 { | |
| 802 _init = LLVM_DtoStructInitializer(si); | |
| 803 } | |
| 804 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 805 { | |
| 806 _init = LLVM_DtoArrayInitializer(ai); | |
| 807 } | |
| 808 else if (init->isVoidInitializer()) | |
| 809 { | |
| 810 const llvm::Type* ty = LLVM_DtoType(type); | |
| 811 _init = llvm::Constant::getNullValue(ty); | |
| 812 } | |
| 813 else { | |
| 814 Logger::println("unsupported initializer: %s", init->toChars()); | |
| 815 } | |
| 816 return _init; | |
| 817 } | |
| 6 | 818 |
| 819 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) | |
| 820 { | |
| 821 std::vector<llvm::Value*> v(2); | |
| 822 v[0] = i0; | |
| 823 v[1] = i1; | |
| 824 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb); | |
| 825 } | |
|
8
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826 |
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827 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
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828 { |
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829 size_t n = src.size(); |
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830 std::vector<llvm::Value*> dst(n); |
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831 Logger::cout() << "indices:"; |
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832 for (size_t i=0; i<n; ++i) |
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833 { |
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834 Logger::cout() << ' ' << i; |
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835 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
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836 } |
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837 Logger::cout() << '\n'; |
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838 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb); |
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839 } |