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annotate gen/tollvm.c @ 4:e116aa1488e6 trunk
[svn r8] changed backend includes to always use the gen/<foo>.h prefix
fixed passing string literals as array parameters
few other fixes
moved some array routines into gen/arrays
| author | lindquist |
|---|---|
| date | Mon, 03 Sep 2007 17:34:30 +0200 |
| parents | c53b6e3fe49a |
| children | 35d93ce68cf4 |
| 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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[svn r8] changed backend includes to always use the gen/<foo>.h prefix
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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 { | |
| 102 TypeClass* tc = (TypeClass*)t; | |
| 103 assert(tc->sym); | |
| 104 if (!tc->sym->llvmInProgress) { | |
| 105 tc->sym->toObjFile(); | |
| 106 } | |
| 107 else { | |
| 108 //assert(0 && "circular class referencing"); | |
| 109 return llvm::OpaqueType::get(); | |
| 110 } | |
| 111 } | |
| 112 return llvm::PointerType::get(t->llvmType); | |
| 113 } | |
| 114 | |
| 115 // functions | |
| 116 case Tfunction: | |
| 117 { | |
| 118 if (t->llvmType == 0) { | |
| 119 return LLVM_DtoFunctionType(t); | |
| 120 } | |
| 121 else { | |
| 122 return t->llvmType; | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 // delegates | |
| 127 case Tdelegate: | |
| 128 { | |
| 129 if (t->llvmType == 0) { | |
| 130 return LLVM_DtoDelegateType(t); | |
| 131 } | |
| 132 else { | |
| 133 return t->llvmType; | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 // typedefs | |
| 138 case Ttypedef: | |
| 139 { | |
| 140 Type* bt = t->toBasetype(); | |
| 141 assert(bt); | |
| 142 return LLVM_DtoType(bt); | |
| 143 } | |
| 144 | |
| 145 default: | |
| 146 printf("trying to convert unknown type with value %d\n", t->ty); | |
| 147 assert(0); | |
| 148 } | |
| 149 return 0; | |
| 150 } | |
| 151 | |
| 152 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 153 | |
| 154 llvm::FunctionType* LLVM_DtoFunctionType(Type* t, const llvm::Type* thisparam) | |
| 155 { | |
| 156 TypeFunction* f = (TypeFunction*)t; | |
| 157 | |
| 158 // parameter types | |
| 159 const llvm::Type* rettype; | |
| 160 std::vector<const llvm::Type*> paramvec; | |
| 161 | |
| 162 TY retty = f->next->ty; | |
| 163 | |
| 164 if (retty == Tstruct || retty == Tdelegate || retty == Tarray) { | |
| 165 rettype = llvm::PointerType::get(LLVM_DtoType(f->next)); | |
| 166 paramvec.push_back(rettype); | |
| 167 rettype = llvm::Type::VoidTy; | |
| 168 } | |
| 169 else { | |
| 170 Type* rt = f->next; | |
| 171 if (rt) | |
| 172 rettype = LLVM_DtoType(rt); | |
| 173 else | |
| 174 assert(0); | |
| 175 } | |
| 176 | |
| 177 if (thisparam) { | |
| 178 paramvec.push_back(thisparam); | |
| 179 } | |
| 180 | |
| 181 size_t n = Argument::dim(f->parameters); | |
| 182 for (int i=0; i < n; ++i) { | |
| 183 Argument* arg = Argument::getNth(f->parameters, i); | |
| 184 // ensure scalar | |
| 185 Type* argT = arg->type; | |
| 186 assert(argT); | |
| 187 paramvec.push_back(LLVM_DtoType(argT)); | |
| 188 } | |
| 189 | |
| 190 Logger::cout() << "Return type: " << *rettype << '\n'; | |
| 191 | |
| 192 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, f->varargs); | |
| 193 return functype; | |
| 194 } | |
| 195 | |
| 196 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 197 | |
| 198 llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl) | |
| 199 { | |
| 200 TypeFunction* f = (TypeFunction*)fdecl->type; | |
| 201 assert(f != 0); | |
| 202 | |
| 203 // has already been pulled in by a reference to ( | |
| 204 if (f->llvmType != 0) { | |
| 205 return llvm::cast<llvm::FunctionType>(f->llvmType); | |
| 206 } | |
| 207 | |
| 208 // return value type | |
| 209 const llvm::Type* rettype; | |
| 210 const llvm::Type* actualRettype; | |
| 211 Type* rt = f->next; | |
| 212 bool retinptr = false; | |
| 213 bool usesthis = false; | |
| 214 | |
| 215 if (fdecl->isMain()) { | |
| 216 rettype = llvm::Type::Int32Ty; | |
| 217 actualRettype = rettype; | |
| 218 } | |
| 219 else if (rt) { | |
| 220 if (rt->ty == Tstruct || rt->ty == Tdelegate || rt->ty == Tarray) { | |
| 221 rettype = llvm::PointerType::get(LLVM_DtoType(rt)); | |
| 222 actualRettype = llvm::Type::VoidTy; | |
| 223 f->llvmRetInPtr = retinptr = true; | |
| 224 } | |
| 225 else { | |
| 226 rettype = LLVM_DtoType(rt); | |
| 227 actualRettype = rettype; | |
| 228 } | |
| 229 } | |
| 230 else { | |
| 231 assert(0); | |
| 232 } | |
| 233 | |
| 234 // parameter types | |
| 235 std::vector<const llvm::Type*> paramvec; | |
| 236 | |
| 237 if (retinptr) { | |
| 238 Logger::print("returning through pointer parameter\n"); | |
| 239 paramvec.push_back(rettype); | |
| 240 } | |
| 241 | |
| 242 if (fdecl->needThis() && fdecl->vthis) { | |
| 243 Logger::print("this is: %s\n", fdecl->vthis->type->toChars()); | |
| 244 paramvec.push_back(LLVM_DtoType(fdecl->vthis->type)); | |
| 245 usesthis = true; | |
| 246 } | |
| 247 | |
| 248 size_t n = Argument::dim(f->parameters); | |
| 249 for (int i=0; i < n; ++i) { | |
| 250 Argument* arg = Argument::getNth(f->parameters, i); | |
| 251 // ensure scalar | |
| 252 Type* argT = arg->type; | |
| 253 assert(argT); | |
| 254 | |
| 255 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { | |
| 256 //assert(arg->vardecl); | |
| 257 //arg->vardecl->refparam = true; | |
| 258 } | |
| 259 else | |
| 260 arg->llvmCopy = true; | |
| 261 | |
| 262 const llvm::Type* at = LLVM_DtoType(argT); | |
| 263 if (llvm::isa<llvm::StructType>(at)) { | |
| 264 Logger::println("struct param"); | |
| 265 paramvec.push_back(llvm::PointerType::get(at)); | |
| 266 } | |
| 267 else if (llvm::isa<llvm::ArrayType>(at)) { | |
| 268 Logger::println("sarray param"); | |
| 269 assert(argT->ty == Tsarray); | |
| 270 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); | |
| 271 paramvec.push_back(llvm::PointerType::get(at)); | |
| 272 } | |
| 273 else { | |
| 274 if (!arg->llvmCopy) { | |
| 275 Logger::println("ref param"); | |
| 276 at = llvm::PointerType::get(at); | |
| 277 } | |
| 278 else { | |
| 279 Logger::println("in param"); | |
| 280 } | |
| 281 paramvec.push_back(at); | |
| 282 } | |
| 283 } | |
| 284 | |
| 285 // construct function type | |
| 286 bool isvararg = f->varargs; | |
| 287 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); | |
| 288 | |
| 289 f->llvmType = functype; | |
| 290 return functype; | |
| 291 } | |
| 292 | |
| 293 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 294 | |
| 295 llvm::StructType* LLVM_DtoDelegateType(Type* t) | |
| 296 { | |
| 297 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 298 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
| 299 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
| 300 | |
| 301 std::vector<const llvm::Type*> types; | |
| 302 types.push_back(i8ptr); | |
| 303 types.push_back(funcptr); | |
| 304 return llvm::StructType::get(types); | |
| 305 } | |
| 306 | |
| 307 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 308 | |
| 309 llvm::Type* LLVM_DtoStructType(Type* t) | |
| 310 { | |
| 311 assert(0); | |
| 312 std::vector<const llvm::Type*> types; | |
| 313 return llvm::StructType::get(types); | |
| 314 } | |
| 315 | |
| 316 | |
| 317 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 318 | |
| 319 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
| 320 { | |
| 321 assert(bits == 32 || bits == 64); | |
| 322 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 323 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 324 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 325 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 326 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 327 | |
| 328 assert(gIR); | |
| 329 assert(gIR->module); | |
| 330 | |
| 331 // parameter types | |
| 332 std::vector<const llvm::Type*> pvec; | |
| 333 pvec.push_back(int8ptrty); | |
| 334 pvec.push_back(set?int8ty:int8ptrty); | |
| 335 pvec.push_back(bits==32?int32ty:int64ty); | |
| 336 pvec.push_back(int32ty); | |
| 337 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 338 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 339 } | |
| 340 | |
| 341 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 342 | |
| 343 // llvm.memset.i32 | |
|
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344 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 345 { |
| 346 static llvm::Function* _func = 0; | |
| 347 if (_func == 0) { | |
| 348 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 349 } | |
| 350 return _func; | |
| 351 } | |
| 352 | |
| 353 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 354 | |
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355 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 356 { |
| 357 static llvm::Function* _func = 0; | |
| 358 if (_func == 0) { | |
| 359 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 360 } | |
| 361 return _func; | |
| 362 } | |
| 363 | |
| 364 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 365 | |
| 366 // llvm.memcpy.i32 | |
|
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367 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 368 { |
| 369 static llvm::Function* _func = 0; | |
| 370 if (_func == 0) { | |
| 371 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 372 } | |
| 373 return _func; | |
| 374 } | |
| 375 | |
| 376 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 377 | |
| 378 // llvm.memcpy.i64 | |
|
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379 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 380 { |
| 381 static llvm::Function* _func = 0; | |
| 382 if (_func == 0) { | |
| 383 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 384 } | |
| 385 return _func; | |
| 386 } | |
| 387 | |
| 388 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 389 | |
| 390 llvm::Value* LLVM_DtoStructZeroInit(TypeStruct* t, llvm::Value* v) | |
| 391 { | |
| 392 assert(gIR); | |
| 393 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 394 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 395 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 396 | |
| 397 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
| 398 | |
| 399 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 400 std::vector<llvm::Value*> llargs; | |
| 401 llargs.resize(4); | |
| 402 llargs[0] = sarr; | |
| 403 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 404 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 405 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 406 | |
| 407 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 408 | |
| 409 return ret; | |
| 410 } | |
| 411 | |
| 412 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 413 | |
| 414 llvm::Value* LLVM_DtoStructCopy(TypeStruct* t, llvm::Value* dst, llvm::Value* src) | |
| 415 { | |
| 416 assert(dst->getType() == src->getType()); | |
| 417 assert(gIR); | |
| 418 | |
| 419 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 420 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 421 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 422 | |
| 423 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 424 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 425 | |
| 426 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 427 std::vector<llvm::Value*> llargs; | |
| 428 llargs.resize(4); | |
| 429 llargs[0] = dstarr; | |
| 430 llargs[1] = srcarr; | |
| 431 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 432 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 433 | |
| 434 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 435 } | |
| 436 | |
| 437 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 438 llvm::Constant* LLVM_DtoStructInitializer(StructInitializer* si) | |
| 439 { | |
| 440 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
| 441 size_t n = structtype->getNumElements(); | |
| 442 | |
| 443 assert(si->value.dim == si->vars.dim); | |
| 444 | |
| 445 std::vector<llvm::Constant*> inits; | |
| 446 inits.resize(n, NULL); | |
| 447 for (int i = 0; i < si->value.dim; ++i) | |
| 448 { | |
| 449 Initializer* ini = (Initializer*)si->value.data[i]; | |
| 450 assert(ini); | |
| 451 | |
| 452 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
| 453 assert(vd); | |
| 454 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
| 455 unsigned idx = si->ad->offsetToIndex(vd->offset); | |
| 456 | |
| 457 llvm::Constant* v = 0; | |
| 458 | |
| 459 if (ExpInitializer* ex = ini->isExpInitializer()) | |
| 460 { | |
| 461 elem* e = ex->exp->toElem(gIR); | |
| 462 v = llvm::cast<llvm::Constant>(e->val); | |
| 463 delete e; | |
| 464 } | |
| 465 else if (StructInitializer* si = ini->isStructInitializer()) | |
| 466 { | |
| 467 v = LLVM_DtoStructInitializer(si); | |
| 468 } | |
| 469 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
| 470 { | |
| 471 v = LLVM_DtoArrayInitializer(ai); | |
| 472 } | |
| 473 else if (ini->isVoidInitializer()) | |
| 474 { | |
| 475 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
| 476 } | |
| 477 else | |
| 478 assert(v); | |
| 479 | |
| 480 inits[idx] = v; | |
| 481 } | |
| 482 | |
| 483 // fill out nulls | |
| 484 assert(si->ad->llvmInitZ); | |
| 485 if (si->ad->llvmInitZ->isNullValue()) | |
| 486 { | |
| 487 for (int i = 0; i < n; ++i) | |
| 488 { | |
| 489 if (inits[i] == 0) | |
| 490 { | |
| 491 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
| 492 } | |
| 493 } | |
| 494 } | |
| 495 else | |
| 496 { | |
| 497 for (int i = 0; i < n; ++i) | |
| 498 { | |
| 499 if (inits[i] == 0) | |
| 500 { | |
| 501 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
| 502 } | |
| 503 } | |
| 504 } | |
| 505 | |
| 506 return llvm::ConstantStruct::get(structtype, inits); | |
| 507 } | |
| 508 | |
| 509 | |
| 510 | |
| 511 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 512 | |
| 513 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
| 514 { | |
| 515 assert(gIR); | |
| 516 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 517 | |
| 518 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 519 | |
| 520 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 521 | |
| 522 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 523 std::vector<llvm::Value*> llargs; | |
| 524 llargs.resize(4); | |
| 525 llargs[0] = arr; | |
| 526 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 527 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 528 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 529 | |
| 530 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 531 | |
| 532 return ret; | |
| 533 } | |
| 534 | |
| 535 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 536 | |
| 537 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
| 538 { | |
| 539 assert(dst->getType() == src->getType()); | |
| 540 assert(gIR); | |
| 541 | |
| 542 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 543 | |
| 544 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 545 | |
| 546 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 547 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 548 | |
| 549 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 550 std::vector<llvm::Value*> llargs; | |
| 551 llargs.resize(4); | |
| 552 llargs[0] = dstarr; | |
| 553 llargs[1] = srcarr; | |
| 554 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 555 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 556 | |
| 557 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 558 } | |
| 559 | |
| 560 | |
| 561 | |
| 562 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 563 | |
| 564 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
| 565 { | |
| 566 switch(prot) | |
| 567 { | |
| 568 case PROTprivate: | |
| 569 return llvm::GlobalValue::InternalLinkage; | |
| 570 | |
| 571 case PROTpublic: | |
| 572 case PROTpackage: | |
| 573 case PROTprotected: | |
| 574 case PROTexport: | |
| 575 return llvm::GlobalValue::ExternalLinkage; | |
| 576 | |
| 577 case PROTundefined: | |
| 578 case PROTnone: | |
| 579 assert(0 && "Unsupported linkage type"); | |
| 580 } | |
| 581 return llvm::GlobalValue::ExternalLinkage; | |
| 582 | |
| 583 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 584 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 585 GhostLinkage */ | |
| 586 } | |
| 587 | |
| 588 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 589 | |
| 590 unsigned LLVM_DtoCallingConv(LINK l) | |
| 591 { | |
| 592 if (l == LINKc) | |
| 593 return llvm::CallingConv::C; | |
| 594 else if (l == LINKd || l == LINKdefault) | |
| 595 return llvm::CallingConv::Fast; | |
| 596 else if (l == LINKwindows) | |
| 597 return llvm::CallingConv::X86_StdCall; | |
| 598 else | |
| 599 assert(0 && "Unsupported calling convention"); | |
| 600 } | |
| 601 | |
| 602 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 603 | |
| 604 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
| 605 { | |
| 606 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 607 const llvm::Type* valTy = val->getType(); | |
| 608 // ptr points to val's type | |
| 609 if (ptrTy == valTy) | |
| 610 { | |
| 611 return val; | |
| 612 } | |
| 613 // ptr is integer pointer | |
| 614 else if (ptrTy->isInteger()) | |
| 615 { | |
| 616 // val is integer | |
| 617 assert(valTy->isInteger()); | |
| 618 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 619 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 620 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 621 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 622 } | |
| 623 else | |
| 624 assert(0); | |
| 625 } | |
| 626 // something else unsupported | |
| 627 else | |
| 628 { | |
| 629 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 630 assert(0); | |
| 631 } | |
| 632 return 0; | |
| 633 } | |
| 634 | |
| 635 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 636 | |
| 637 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
| 638 { | |
| 639 const llvm::Type* t = val->getType(); | |
| 640 if (t->isInteger()) | |
| 641 { | |
| 642 if (t == llvm::Type::Int1Ty) | |
| 643 return val; | |
| 644 else { | |
| 645 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 646 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 647 } | |
| 648 } | |
| 649 else if (llvm::isa<llvm::PointerType>(t)) { | |
| 650 const llvm::Type* st = LLVM_DtoSize_t(); | |
| 651 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
| 652 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 653 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 654 } | |
| 655 else | |
| 656 { | |
| 657 Logger::cout() << *t << '\n'; | |
| 658 } | |
| 659 assert(0); | |
| 660 return 0; | |
| 661 } | |
| 662 | |
| 663 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 664 | |
| 665 const llvm::Type* LLVM_DtoSize_t() | |
| 666 { | |
| 667 if (global.params.is64bit) | |
| 668 return llvm::Type::Int64Ty; | |
| 669 else | |
| 670 return llvm::Type::Int32Ty; | |
| 671 } | |
| 672 | |
| 673 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 674 | |
| 675 void LLVM_DtoMain() | |
| 676 { | |
| 677 // emit main function llvm style | |
| 678 // int main(int argc, char**argv, char**env); | |
| 679 | |
| 680 assert(gIR != 0); | |
| 681 IRState& ir = *gIR; | |
| 682 | |
| 683 assert(ir.emitMain && ir.mainFunc); | |
| 684 | |
| 685 // parameter types | |
| 686 std::vector<const llvm::Type*> pvec; | |
| 687 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 688 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 689 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 690 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 691 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 692 | |
| 693 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 694 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 695 | |
| 696 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 697 | |
| 698 // call static ctors | |
| 699 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 700 new llvm::CallInst(fn,"",bb); | |
| 701 | |
| 702 // call user main function | |
| 703 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 704 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
| 705 | |
| 706 // call static dtors | |
| 707 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 708 new llvm::CallInst(fn,"",bb); | |
| 709 | |
| 710 // return | |
| 711 new llvm::ReturnInst(call,bb); | |
| 712 | |
| 713 /* | |
| 714 // return value type | |
| 715 const llvm::Type* rettype; | |
| 716 Type* rt = f->next; | |
| 717 if (rt) { | |
| 718 rettype = LLVM_DtoType(rt); | |
| 719 } | |
| 720 else { | |
| 721 assert(0); | |
| 722 } | |
| 723 | |
| 724 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, false); | |
| 725 */ | |
| 726 } | |
| 727 | |
| 728 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 729 | |
| 730 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
| 731 { | |
| 732 Array* arr = &tc->sym->dtors; | |
| 733 for (size_t i=0; i<arr->dim; i++) | |
| 734 { | |
| 735 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 736 assert(fd->llvmValue); | |
| 737 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 738 } | |
| 739 } | |
| 740 | |
| 741 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 742 | |
| 743 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
| 744 { | |
| 745 assert(tc->llvmInit); | |
| 746 assert(dst->getType() == tc->llvmInit->getType()); | |
| 747 assert(gIR); | |
| 748 | |
| 749 assert(tc->llvmType); | |
| 750 uint64_t n = gTargetData->getTypeSize(tc->llvmType); | |
| 751 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 752 | |
| 753 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 754 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); | |
| 755 | |
| 756 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 757 std::vector<llvm::Value*> llargs; | |
| 758 llargs.resize(4); | |
| 759 llargs[0] = dstarr; | |
| 760 llargs[1] = srcarr; | |
| 761 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 762 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 763 | |
| 764 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 765 } | |
| 766 | |
| 767 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 768 | |
| 769 llvm::Constant* LLVM_DtoInitializer(Type* type, Initializer* init) | |
| 770 { | |
| 771 llvm::Constant* _init = 0; | |
| 772 if (!init) | |
| 773 { | |
| 774 elem* e = type->defaultInit()->toElem(gIR); | |
| 775 if (!e->inplace && !e->isNull()) { | |
| 776 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 777 } | |
| 778 delete e; | |
| 779 } | |
| 780 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 781 { | |
| 782 elem* e = ex->exp->toElem(gIR); | |
| 783 if (!e->inplace && !e->isNull()) { | |
| 784 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 785 } | |
| 786 delete e; | |
| 787 } | |
| 788 else if (StructInitializer* si = init->isStructInitializer()) | |
| 789 { | |
| 790 _init = LLVM_DtoStructInitializer(si); | |
| 791 } | |
| 792 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 793 { | |
| 794 _init = LLVM_DtoArrayInitializer(ai); | |
| 795 } | |
| 796 else if (init->isVoidInitializer()) | |
| 797 { | |
| 798 const llvm::Type* ty = LLVM_DtoType(type); | |
| 799 _init = llvm::Constant::getNullValue(ty); | |
| 800 } | |
| 801 else { | |
| 802 Logger::println("unsupported initializer: %s", init->toChars()); | |
| 803 } | |
| 804 return _init; | |
| 805 } |