Mercurial > projects > ldc
annotate gen/tollvm.c @ 40:8b0e809563df trunk
[svn r44] Lots of bug fixes.
New array literal support
New array ~= operator support (for single element)
New with statement support
More...
| author | lindquist |
|---|---|
| date | Fri, 19 Oct 2007 07:43:21 +0200 |
| parents | 4648206ca213 |
| children | e5c4bece7fa1 |
| rev | line source |
|---|---|
| 1 | 1 #include <iostream> |
| 2 | |
| 40 | 3 #include "gen/llvm.h" |
| 1 | 4 |
| 5 #include "mtype.h" | |
| 6 #include "dsymbol.h" | |
| 7 #include "aggregate.h" | |
| 8 #include "declaration.h" | |
| 9 #include "init.h" | |
| 10 | |
|
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11 #include "gen/tollvm.h" |
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12 #include "gen/irstate.h" |
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13 #include "gen/logger.h" |
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14 #include "gen/runtime.h" |
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15 #include "gen/elem.h" |
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16 #include "gen/arrays.h" |
| 1 | 17 |
| 40 | 18 bool LLVM_DtoIsPassedByRef(Type* type) |
| 19 { | |
| 20 TY t = type->ty; | |
| 21 if (t == Tstruct || t == Tarray || t == Tdelegate) | |
| 22 return true; | |
| 23 else if (t == Ttypedef) { | |
| 24 Type* bt = type->toBasetype(); | |
| 25 assert(bt); | |
| 26 return LLVM_DtoIsPassedByRef(bt); | |
| 27 } | |
| 28 return false; | |
| 29 } | |
| 30 | |
| 31 Type* LLVM_DtoDType(Type* t) | |
| 32 { | |
| 33 if (t->ty == Ttypedef) { | |
| 34 Type* bt = t->toBasetype(); | |
| 35 assert(bt); | |
| 36 return LLVM_DtoDType(bt); | |
| 37 } | |
| 38 return t; | |
| 39 } | |
| 40 | |
| 1 | 41 const llvm::Type* LLVM_DtoType(Type* t) |
| 42 { | |
| 43 assert(t); | |
| 44 switch (t->ty) | |
| 45 { | |
| 46 // integers | |
| 47 case Tint8: | |
| 48 case Tuns8: | |
| 49 case Tchar: | |
| 50 return (const llvm::Type*)llvm::Type::Int8Ty; | |
| 51 case Tint16: | |
| 52 case Tuns16: | |
| 53 case Twchar: | |
| 54 return (const llvm::Type*)llvm::Type::Int16Ty; | |
| 55 case Tint32: | |
| 56 case Tuns32: | |
| 57 case Tdchar: | |
| 58 return (const llvm::Type*)llvm::Type::Int32Ty; | |
| 59 case Tint64: | |
| 60 case Tuns64: | |
| 61 return (const llvm::Type*)llvm::Type::Int64Ty; | |
| 62 | |
| 63 case Tbool: | |
| 64 return (const llvm::Type*)llvm::ConstantInt::getTrue()->getType(); | |
| 65 | |
| 66 // floats | |
| 67 case Tfloat32: | |
| 68 return llvm::Type::FloatTy; | |
| 69 case Tfloat64: | |
| 70 case Tfloat80: | |
| 71 return llvm::Type::DoubleTy; | |
| 72 | |
| 73 // pointers | |
| 74 case Tpointer: { | |
| 75 assert(t->next); | |
| 76 if (t->next->ty == Tvoid) | |
| 77 return (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 78 else | |
| 79 return (const llvm::Type*)llvm::PointerType::get(LLVM_DtoType(t->next)); | |
| 80 } | |
| 81 | |
| 82 // arrays | |
| 83 case Tarray: | |
| 84 return LLVM_DtoArrayType(t); | |
| 85 case Tsarray: | |
| 86 return LLVM_DtoStaticArrayType(t); | |
| 87 | |
| 88 // void | |
| 89 case Tvoid: | |
| 90 return llvm::Type::VoidTy; | |
| 91 | |
| 92 // aggregates | |
| 93 case Tstruct: { | |
| 94 if (t->llvmType == 0) | |
| 95 { | |
| 96 // recursive or cyclic declaration | |
| 97 if (!gIR->structs.empty()) | |
| 98 { | |
| 99 IRStruct* found = 0; | |
| 100 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 101 { | |
| 102 if (t == i->type) | |
| 103 { | |
| 104 return i->recty.get(); | |
| 105 } | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 // forward declaration | |
| 110 TypeStruct* ts = (TypeStruct*)t; | |
| 111 assert(ts->sym); | |
| 112 ts->sym->toObjFile(); | |
| 113 } | |
| 114 return t->llvmType; | |
| 115 } | |
| 116 | |
| 117 case Tclass: { | |
| 118 if (t->llvmType == 0) | |
| 119 { | |
| 6 | 120 // recursive or cyclic declaration |
| 121 if (!gIR->structs.empty()) | |
| 122 { | |
| 123 IRStruct* found = 0; | |
| 124 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 125 { | |
| 126 if (t == i->type) | |
| 127 { | |
| 128 return llvm::PointerType::get(i->recty.get()); | |
| 129 } | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 // forward declaration | |
| 1 | 134 TypeClass* tc = (TypeClass*)t; |
| 135 assert(tc->sym); | |
| 6 | 136 tc->sym->toObjFile(); |
| 1 | 137 } |
| 138 return llvm::PointerType::get(t->llvmType); | |
| 139 } | |
| 140 | |
| 141 // functions | |
| 142 case Tfunction: | |
| 143 { | |
| 144 if (t->llvmType == 0) { | |
| 145 return LLVM_DtoFunctionType(t); | |
| 146 } | |
| 147 else { | |
| 148 return t->llvmType; | |
| 149 } | |
| 150 } | |
| 6 | 151 |
| 1 | 152 // delegates |
| 153 case Tdelegate: | |
| 154 { | |
| 155 if (t->llvmType == 0) { | |
| 156 return LLVM_DtoDelegateType(t); | |
| 157 } | |
| 158 else { | |
| 159 return t->llvmType; | |
| 160 } | |
| 161 } | |
| 162 | |
| 163 // typedefs | |
| 164 case Ttypedef: | |
| 165 { | |
| 166 Type* bt = t->toBasetype(); | |
| 167 assert(bt); | |
| 168 return LLVM_DtoType(bt); | |
| 169 } | |
| 170 | |
| 171 default: | |
| 172 printf("trying to convert unknown type with value %d\n", t->ty); | |
| 173 assert(0); | |
| 174 } | |
| 175 return 0; | |
| 176 } | |
| 177 | |
| 178 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 179 | |
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180 const llvm::FunctionType* LLVM_DtoFunctionType(Type* t, const llvm::Type* thisparam) |
| 1 | 181 { |
| 182 TypeFunction* f = (TypeFunction*)t; | |
| 183 | |
| 184 // parameter types | |
| 185 const llvm::Type* rettype; | |
| 186 std::vector<const llvm::Type*> paramvec; | |
| 187 | |
| 40 | 188 if (LLVM_DtoIsPassedByRef(f->next)) { |
| 1 | 189 rettype = llvm::PointerType::get(LLVM_DtoType(f->next)); |
| 190 paramvec.push_back(rettype); | |
| 191 rettype = llvm::Type::VoidTy; | |
| 192 } | |
| 193 else { | |
| 194 Type* rt = f->next; | |
| 195 if (rt) | |
| 196 rettype = LLVM_DtoType(rt); | |
| 197 else | |
| 198 assert(0); | |
| 199 } | |
| 200 | |
| 201 if (thisparam) { | |
| 202 paramvec.push_back(thisparam); | |
| 203 } | |
| 204 | |
| 205 size_t n = Argument::dim(f->parameters); | |
| 206 for (int i=0; i < n; ++i) { | |
| 207 Argument* arg = Argument::getNth(f->parameters, i); | |
| 208 // ensure scalar | |
| 209 Type* argT = arg->type; | |
| 210 assert(argT); | |
| 211 paramvec.push_back(LLVM_DtoType(argT)); | |
| 212 } | |
| 213 | |
| 214 Logger::cout() << "Return type: " << *rettype << '\n'; | |
| 215 | |
| 216 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, f->varargs); | |
| 217 return functype; | |
| 218 } | |
| 219 | |
| 220 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 221 | |
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222 const llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl) |
| 1 | 223 { |
| 224 TypeFunction* f = (TypeFunction*)fdecl->type; | |
| 225 assert(f != 0); | |
| 226 | |
| 9 | 227 // type has already been resolved |
| 1 | 228 if (f->llvmType != 0) { |
| 229 return llvm::cast<llvm::FunctionType>(f->llvmType); | |
| 230 } | |
| 231 | |
| 232 // return value type | |
| 233 const llvm::Type* rettype; | |
| 234 const llvm::Type* actualRettype; | |
| 235 Type* rt = f->next; | |
| 236 bool retinptr = false; | |
| 237 bool usesthis = false; | |
| 238 | |
| 239 if (fdecl->isMain()) { | |
| 240 rettype = llvm::Type::Int32Ty; | |
| 241 actualRettype = rettype; | |
| 242 } | |
| 243 else if (rt) { | |
| 40 | 244 if (LLVM_DtoIsPassedByRef(rt)) { |
| 1 | 245 rettype = llvm::PointerType::get(LLVM_DtoType(rt)); |
| 246 actualRettype = llvm::Type::VoidTy; | |
| 247 f->llvmRetInPtr = retinptr = true; | |
| 248 } | |
| 249 else { | |
| 250 rettype = LLVM_DtoType(rt); | |
| 251 actualRettype = rettype; | |
| 252 } | |
| 253 } | |
| 254 else { | |
| 255 assert(0); | |
| 256 } | |
| 257 | |
| 258 // parameter types | |
| 259 std::vector<const llvm::Type*> paramvec; | |
| 260 | |
| 261 if (retinptr) { | |
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262 Logger::cout() << "returning through pointer parameter: " << *rettype << '\n'; |
| 1 | 263 paramvec.push_back(rettype); |
| 264 } | |
| 265 | |
| 9 | 266 if (fdecl->needThis()) { |
| 267 if (AggregateDeclaration* ad = fdecl->isMember()) { | |
| 268 Logger::print("isMember = this is: %s\n", ad->type->toChars()); | |
| 269 const llvm::Type* thisty = LLVM_DtoType(ad->type); | |
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270 Logger::cout() << "this llvm type: " << *thisty << '\n'; |
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271 if (llvm::isa<llvm::StructType>(thisty) || thisty == gIR->topstruct().recty.get()) |
| 9 | 272 thisty = llvm::PointerType::get(thisty); |
| 273 paramvec.push_back(thisty); | |
| 274 usesthis = true; | |
| 275 } | |
| 276 else | |
| 277 assert(0); | |
| 1 | 278 } |
| 279 | |
| 280 size_t n = Argument::dim(f->parameters); | |
| 281 for (int i=0; i < n; ++i) { | |
| 282 Argument* arg = Argument::getNth(f->parameters, i); | |
| 283 // ensure scalar | |
| 40 | 284 Type* argT = LLVM_DtoDType(arg->type); |
| 1 | 285 assert(argT); |
| 286 | |
| 287 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { | |
| 288 //assert(arg->vardecl); | |
| 289 //arg->vardecl->refparam = true; | |
| 290 } | |
| 291 else | |
| 292 arg->llvmCopy = true; | |
| 293 | |
| 294 const llvm::Type* at = LLVM_DtoType(argT); | |
| 295 if (llvm::isa<llvm::StructType>(at)) { | |
| 296 Logger::println("struct param"); | |
| 297 paramvec.push_back(llvm::PointerType::get(at)); | |
| 298 } | |
| 299 else if (llvm::isa<llvm::ArrayType>(at)) { | |
| 300 Logger::println("sarray param"); | |
| 301 assert(argT->ty == Tsarray); | |
| 302 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); | |
| 303 paramvec.push_back(llvm::PointerType::get(at)); | |
| 304 } | |
| 40 | 305 else if (llvm::isa<llvm::OpaqueType>(at)) { |
| 306 Logger::println("opaque param"); | |
| 307 if (argT->ty == Tstruct || argT->ty == Tclass) | |
| 308 paramvec.push_back(llvm::PointerType::get(at)); | |
| 309 else | |
| 310 assert(0); | |
| 311 } | |
| 312 /*if (llvm::isa<llvm::StructType>(at) || argT->ty == Tstruct || argT->ty == Tsarray) { | |
| 313 paramvec.push_back(llvm::PointerType::get(at)); | |
| 314 }*/ | |
| 1 | 315 else { |
| 316 if (!arg->llvmCopy) { | |
| 317 Logger::println("ref param"); | |
| 318 at = llvm::PointerType::get(at); | |
| 319 } | |
| 320 else { | |
| 321 Logger::println("in param"); | |
| 322 } | |
| 323 paramvec.push_back(at); | |
| 324 } | |
| 325 } | |
| 326 | |
| 327 // construct function type | |
| 328 bool isvararg = f->varargs; | |
| 329 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); | |
| 330 | |
| 331 f->llvmType = functype; | |
| 9 | 332 f->llvmRetInPtr = retinptr; |
| 333 f->llvmUsesThis = usesthis; | |
| 1 | 334 return functype; |
| 335 } | |
| 336 | |
| 337 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 338 | |
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339 const llvm::StructType* LLVM_DtoDelegateType(Type* t) |
| 1 | 340 { |
| 341 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 342 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
| 343 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
| 344 | |
| 345 std::vector<const llvm::Type*> types; | |
| 346 types.push_back(i8ptr); | |
| 347 types.push_back(funcptr); | |
| 348 return llvm::StructType::get(types); | |
| 349 } | |
| 350 | |
| 351 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 352 | |
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353 const llvm::Type* LLVM_DtoStructType(Type* t) |
| 1 | 354 { |
| 355 assert(0); | |
| 356 std::vector<const llvm::Type*> types; | |
| 357 return llvm::StructType::get(types); | |
| 358 } | |
| 359 | |
| 360 | |
| 361 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 362 | |
| 363 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
| 364 { | |
| 365 assert(bits == 32 || bits == 64); | |
| 366 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 367 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 368 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 369 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 370 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 371 | |
| 372 assert(gIR); | |
| 373 assert(gIR->module); | |
| 374 | |
| 375 // parameter types | |
| 376 std::vector<const llvm::Type*> pvec; | |
| 377 pvec.push_back(int8ptrty); | |
| 378 pvec.push_back(set?int8ty:int8ptrty); | |
| 379 pvec.push_back(bits==32?int32ty:int64ty); | |
| 380 pvec.push_back(int32ty); | |
| 381 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 382 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 383 } | |
| 384 | |
| 385 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 386 | |
| 387 // llvm.memset.i32 | |
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388 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 389 { |
| 390 static llvm::Function* _func = 0; | |
| 391 if (_func == 0) { | |
| 392 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 393 } | |
| 394 return _func; | |
| 395 } | |
| 396 | |
| 397 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 398 | |
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399 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 400 { |
| 401 static llvm::Function* _func = 0; | |
| 402 if (_func == 0) { | |
| 403 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 404 } | |
| 405 return _func; | |
| 406 } | |
| 407 | |
| 408 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 409 | |
| 410 // llvm.memcpy.i32 | |
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411 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 412 { |
| 413 static llvm::Function* _func = 0; | |
| 414 if (_func == 0) { | |
| 415 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 416 } | |
| 417 return _func; | |
| 418 } | |
| 419 | |
| 420 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 421 | |
| 422 // llvm.memcpy.i64 | |
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423 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 424 { |
| 425 static llvm::Function* _func = 0; | |
| 426 if (_func == 0) { | |
| 427 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 428 } | |
| 429 return _func; | |
| 430 } | |
| 431 | |
| 432 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 433 | |
| 434 llvm::Value* LLVM_DtoStructZeroInit(TypeStruct* t, llvm::Value* v) | |
| 435 { | |
| 436 assert(gIR); | |
| 437 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 438 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 439 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 440 | |
| 441 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
| 442 | |
| 443 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 444 std::vector<llvm::Value*> llargs; | |
| 445 llargs.resize(4); | |
| 446 llargs[0] = sarr; | |
| 447 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 448 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 449 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 450 | |
| 451 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 452 | |
| 453 return ret; | |
| 454 } | |
| 455 | |
| 456 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 457 | |
| 458 llvm::Value* LLVM_DtoStructCopy(TypeStruct* t, llvm::Value* dst, llvm::Value* src) | |
| 459 { | |
| 460 assert(dst->getType() == src->getType()); | |
| 461 assert(gIR); | |
| 462 | |
| 463 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 464 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 465 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 466 | |
| 467 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 468 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 469 | |
| 470 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 471 std::vector<llvm::Value*> llargs; | |
| 472 llargs.resize(4); | |
| 473 llargs[0] = dstarr; | |
| 474 llargs[1] = srcarr; | |
| 475 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 476 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 477 | |
| 478 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 479 } | |
| 480 | |
| 481 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 40 | 482 llvm::Constant* LLVM_DtoConstStructInitializer(StructInitializer* si) |
| 1 | 483 { |
| 484 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
| 485 size_t n = structtype->getNumElements(); | |
| 486 | |
| 487 assert(si->value.dim == si->vars.dim); | |
| 488 | |
| 489 std::vector<llvm::Constant*> inits; | |
| 490 inits.resize(n, NULL); | |
| 491 for (int i = 0; i < si->value.dim; ++i) | |
| 492 { | |
| 493 Initializer* ini = (Initializer*)si->value.data[i]; | |
| 494 assert(ini); | |
| 495 | |
| 496 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
| 40 | 497 Type* vdtype = LLVM_DtoDType(vd->type); |
| 1 | 498 assert(vd); |
| 499 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
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500 |
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501 std::vector<unsigned> idxs; |
| 40 | 502 si->ad->offsetToIndex(vdtype, vd->offset, idxs); |
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503 assert(idxs.size() == 1); |
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504 unsigned idx = idxs[0]; |
| 1 | 505 |
| 506 llvm::Constant* v = 0; | |
| 507 | |
| 508 if (ExpInitializer* ex = ini->isExpInitializer()) | |
| 509 { | |
| 40 | 510 v = ex->exp->toConstElem(gIR); |
| 1 | 511 } |
| 512 else if (StructInitializer* si = ini->isStructInitializer()) | |
| 513 { | |
| 40 | 514 v = LLVM_DtoConstStructInitializer(si); |
| 1 | 515 } |
| 516 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
| 517 { | |
| 40 | 518 v = LLVM_DtoConstArrayInitializer(ai); |
| 1 | 519 } |
| 520 else if (ini->isVoidInitializer()) | |
| 521 { | |
| 522 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
| 523 } | |
| 524 else | |
| 525 assert(v); | |
| 526 | |
| 527 inits[idx] = v; | |
| 528 } | |
| 529 | |
| 530 // fill out nulls | |
| 531 assert(si->ad->llvmInitZ); | |
| 532 if (si->ad->llvmInitZ->isNullValue()) | |
| 533 { | |
| 534 for (int i = 0; i < n; ++i) | |
| 535 { | |
| 536 if (inits[i] == 0) | |
| 537 { | |
| 538 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
| 539 } | |
| 540 } | |
| 541 } | |
| 542 else | |
| 543 { | |
| 544 for (int i = 0; i < n; ++i) | |
| 545 { | |
| 546 if (inits[i] == 0) | |
| 547 { | |
| 548 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
| 549 } | |
| 550 } | |
| 551 } | |
| 552 | |
| 553 return llvm::ConstantStruct::get(structtype, inits); | |
| 554 } | |
| 555 | |
| 556 | |
| 557 | |
| 558 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 559 | |
| 560 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
| 561 { | |
| 562 assert(gIR); | |
| 563 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 564 | |
| 565 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 566 | |
| 567 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 568 | |
| 569 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 570 std::vector<llvm::Value*> llargs; | |
| 571 llargs.resize(4); | |
| 572 llargs[0] = arr; | |
| 573 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 574 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 575 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 576 | |
| 577 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 578 | |
| 579 return ret; | |
| 580 } | |
| 581 | |
| 582 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 583 | |
| 584 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
| 585 { | |
| 586 assert(dst->getType() == src->getType()); | |
| 587 assert(gIR); | |
| 588 | |
| 589 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 590 | |
| 591 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 592 | |
| 593 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 594 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 595 | |
| 596 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 597 std::vector<llvm::Value*> llargs; | |
| 598 llargs.resize(4); | |
| 599 llargs[0] = dstarr; | |
| 600 llargs[1] = srcarr; | |
| 601 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 602 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 603 | |
| 604 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 605 } | |
| 606 | |
| 607 | |
| 608 | |
| 609 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 610 | |
| 611 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
| 612 { | |
| 613 switch(prot) | |
| 614 { | |
| 615 case PROTprivate: | |
| 616 return llvm::GlobalValue::InternalLinkage; | |
| 617 | |
| 618 case PROTpublic: | |
| 619 case PROTpackage: | |
| 620 case PROTprotected: | |
| 621 case PROTexport: | |
| 622 return llvm::GlobalValue::ExternalLinkage; | |
| 623 | |
| 624 case PROTundefined: | |
| 625 case PROTnone: | |
| 626 assert(0 && "Unsupported linkage type"); | |
| 627 } | |
| 628 return llvm::GlobalValue::ExternalLinkage; | |
| 629 | |
| 630 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 631 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 632 GhostLinkage */ | |
| 633 } | |
| 634 | |
| 635 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 636 | |
| 637 unsigned LLVM_DtoCallingConv(LINK l) | |
| 638 { | |
| 639 if (l == LINKc) | |
| 640 return llvm::CallingConv::C; | |
| 641 else if (l == LINKd || l == LINKdefault) | |
| 642 return llvm::CallingConv::Fast; | |
| 643 else if (l == LINKwindows) | |
| 644 return llvm::CallingConv::X86_StdCall; | |
| 645 else | |
| 646 assert(0 && "Unsupported calling convention"); | |
| 647 } | |
| 648 | |
| 649 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 650 | |
| 651 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
| 652 { | |
| 653 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 654 const llvm::Type* valTy = val->getType(); | |
| 655 // ptr points to val's type | |
| 656 if (ptrTy == valTy) | |
| 657 { | |
| 658 return val; | |
| 659 } | |
| 660 // ptr is integer pointer | |
| 661 else if (ptrTy->isInteger()) | |
| 662 { | |
| 663 // val is integer | |
| 664 assert(valTy->isInteger()); | |
| 665 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 666 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 667 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 668 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 669 } | |
| 670 else | |
| 671 assert(0); | |
| 672 } | |
| 673 // something else unsupported | |
| 674 else | |
| 675 { | |
| 676 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 677 assert(0); | |
| 678 } | |
| 679 return 0; | |
| 680 } | |
| 681 | |
| 682 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 683 | |
| 684 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
| 685 { | |
| 686 const llvm::Type* t = val->getType(); | |
| 687 if (t->isInteger()) | |
| 688 { | |
| 689 if (t == llvm::Type::Int1Ty) | |
| 690 return val; | |
| 691 else { | |
| 692 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 693 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 694 } | |
| 695 } | |
| 696 else if (llvm::isa<llvm::PointerType>(t)) { | |
| 697 const llvm::Type* st = LLVM_DtoSize_t(); | |
| 698 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
| 699 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 700 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 701 } | |
| 702 else | |
| 703 { | |
| 704 Logger::cout() << *t << '\n'; | |
| 705 } | |
| 706 assert(0); | |
| 707 return 0; | |
| 708 } | |
| 709 | |
| 710 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 711 | |
| 712 const llvm::Type* LLVM_DtoSize_t() | |
| 713 { | |
| 714 if (global.params.is64bit) | |
| 715 return llvm::Type::Int64Ty; | |
| 716 else | |
| 717 return llvm::Type::Int32Ty; | |
| 718 } | |
| 719 | |
| 720 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 721 | |
| 722 void LLVM_DtoMain() | |
| 723 { | |
| 724 // emit main function llvm style | |
| 725 // int main(int argc, char**argv, char**env); | |
| 726 | |
| 727 assert(gIR != 0); | |
| 728 IRState& ir = *gIR; | |
| 729 | |
| 730 assert(ir.emitMain && ir.mainFunc); | |
| 731 | |
| 732 // parameter types | |
| 733 std::vector<const llvm::Type*> pvec; | |
| 734 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 735 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 736 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 737 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 738 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 739 | |
| 740 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 741 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 742 | |
| 743 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 744 | |
| 745 // call static ctors | |
| 746 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 747 new llvm::CallInst(fn,"",bb); | |
| 748 | |
| 749 // call user main function | |
| 750 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 751 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
| 752 | |
| 753 // call static dtors | |
| 754 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 755 new llvm::CallInst(fn,"",bb); | |
| 756 | |
| 757 // return | |
| 758 new llvm::ReturnInst(call,bb); | |
| 759 } | |
| 760 | |
| 761 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 762 | |
| 763 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
| 764 { | |
| 765 Array* arr = &tc->sym->dtors; | |
| 766 for (size_t i=0; i<arr->dim; i++) | |
| 767 { | |
| 768 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 769 assert(fd->llvmValue); | |
| 770 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 771 } | |
| 772 } | |
| 773 | |
| 774 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 775 | |
| 776 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
| 777 { | |
| 778 assert(gIR); | |
| 779 | |
| 780 assert(tc->llvmType); | |
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781 uint64_t size_t_size = gTargetData->getTypeSize(LLVM_DtoSize_t()); |
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782 uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size; |
| 1 | 783 |
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784 // set vtable field |
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785 llvm::Value* vtblvar = LLVM_DtoGEPi(dst,0,0,"tmp",gIR->scopebb()); |
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786 assert(tc->sym->llvmVtbl); |
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787 new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb()); |
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788 |
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789 // copy the static initializer |
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790 if (n > 0) { |
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791 assert(tc->llvmInit); |
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792 assert(dst->getType() == tc->llvmInit->getType()); |
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793 |
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794 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
| 1 | 795 |
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796 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
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797 dstarr = LLVM_DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb()); |
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798 |
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799 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); |
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800 srcarr = LLVM_DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb()); |
| 1 | 801 |
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802 llvm::Function* fn = LLVM_DeclareMemCpy32(); |
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803 std::vector<llvm::Value*> llargs; |
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804 llargs.resize(4); |
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805 llargs[0] = dstarr; |
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806 llargs[1] = srcarr; |
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807 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); |
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808 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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809 |
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810 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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811 } |
| 1 | 812 } |
| 813 | |
| 814 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 815 | |
| 40 | 816 llvm::Constant* LLVM_DtoConstInitializer(Type* type, Initializer* init) |
| 1 | 817 { |
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818 llvm::Constant* _init = 0; // may return zero |
| 1 | 819 if (!init) |
| 820 { | |
| 40 | 821 Logger::println("const default initializer for %s", type->toChars()); |
| 822 _init = type->defaultInit()->toConstElem(gIR); | |
| 1 | 823 } |
| 824 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 825 { | |
| 40 | 826 Logger::println("const expression initializer"); |
| 827 _init = ex->exp->toConstElem(gIR); | |
| 1 | 828 } |
| 829 else if (StructInitializer* si = init->isStructInitializer()) | |
| 830 { | |
| 40 | 831 Logger::println("const struct initializer"); |
| 832 _init = LLVM_DtoConstStructInitializer(si); | |
| 1 | 833 } |
| 834 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 835 { | |
| 40 | 836 Logger::println("const array initializer"); |
| 837 _init = LLVM_DtoConstArrayInitializer(ai); | |
| 1 | 838 } |
| 839 else if (init->isVoidInitializer()) | |
| 840 { | |
| 40 | 841 Logger::println("const void initializer"); |
| 1 | 842 const llvm::Type* ty = LLVM_DtoType(type); |
| 843 _init = llvm::Constant::getNullValue(ty); | |
| 844 } | |
| 845 else { | |
| 40 | 846 Logger::println("unsupported const initializer: %s", init->toChars()); |
| 847 } | |
| 848 return _init; | |
| 849 } | |
| 850 | |
| 851 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 852 | |
| 853 void LLVM_DtoInitializer(Initializer* init) | |
| 854 { | |
| 855 if (ExpInitializer* ex = init->isExpInitializer()) | |
| 856 { | |
| 857 Logger::println("expression initializer"); | |
| 858 elem* e = ex->exp->toElem(gIR); | |
| 859 delete e; | |
| 860 } | |
| 861 else { | |
| 1 | 862 Logger::println("unsupported initializer: %s", init->toChars()); |
| 863 } | |
| 864 } | |
| 6 | 865 |
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866 ////////////////////////////////////////////////////////////////////////////////////////// |
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867 |
| 6 | 868 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) |
| 869 { | |
| 870 std::vector<llvm::Value*> v(2); | |
| 871 v[0] = i0; | |
| 872 v[1] = i1; | |
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873 Logger::cout() << "DtoGEP: " << *ptr << '\n'; |
| 6 | 874 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb); |
| 875 } | |
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876 |
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877 ////////////////////////////////////////////////////////////////////////////////////////// |
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878 |
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879 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
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880 { |
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881 size_t n = src.size(); |
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882 std::vector<llvm::Value*> dst(n); |
| 40 | 883 std::ostream& ostr = Logger::cout(); |
| 884 ostr << "indices for '" << *ptr << "':"; | |
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885 for (size_t i=0; i<n; ++i) |
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886 { |
| 40 | 887 ostr << ' ' << i; |
|
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888 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
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889 } |
| 40 | 890 ostr << '\n'; |
|
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891 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb); |
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892 } |
| 9 | 893 |
|
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894 ////////////////////////////////////////////////////////////////////////////////////////// |
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895 |
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896 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb) |
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897 { |
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898 return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb); |
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899 } |
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900 |
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901 ////////////////////////////////////////////////////////////////////////////////////////// |
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902 |
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903 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb) |
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904 { |
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905 std::vector<llvm::Value*> v(2); |
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906 v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false); |
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907 v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false); |
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908 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb); |
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909 } |
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910 |
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911 ////////////////////////////////////////////////////////////////////////////////////////// |
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912 |
| 9 | 913 llvm::Function* LLVM_DtoDeclareFunction(FuncDeclaration* fdecl) |
| 914 { | |
|
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915 // mangled name |
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916 char* mangled_name = (fdecl->llvmInternal == LLVMintrinsic) ? fdecl->llvmInternal1 : fdecl->mangle(); |
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917 |
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918 // unit test special handling |
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919 if (fdecl->isUnitTestDeclaration()) |
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920 { |
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921 assert(0 && "no unittests yet"); |
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922 /*const llvm::FunctionType* fnty = llvm::FunctionType::get(llvm::Type::VoidTy, std::vector<const llvm::Type*>(), false); |
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923 // make the function |
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924 llvm::Function* func = gIR->module->getFunction(mangled_name); |
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925 if (func == 0) |
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926 func = new llvm::Function(fnty,llvm::GlobalValue::InternalLinkage,mangled_name,gIR->module); |
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927 func->setCallingConv(llvm::CallingConv::Fast); |
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928 fdecl->llvmValue = func; |
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929 return func; |
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930 */ |
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931 } |
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932 |
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933 // regular function |
| 40 | 934 TypeFunction* f = (TypeFunction*)LLVM_DtoDType(fdecl->type); |
|
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935 assert(f != 0); |
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936 |
| 9 | 937 if (fdecl->llvmValue != 0) { |
| 18 | 938 if (!llvm::isa<llvm::Function>(fdecl->llvmValue)) |
| 939 { | |
| 940 Logger::cout() << *fdecl->llvmValue << '\n'; | |
| 941 assert(0); | |
| 942 } | |
| 9 | 943 return llvm::cast<llvm::Function>(fdecl->llvmValue); |
| 944 } | |
| 945 | |
| 18 | 946 Logger::print("FuncDeclaration::toObjFile(%s): %s\n", fdecl->needThis()?"this":"static",fdecl->toChars()); |
| 9 | 947 LOG_SCOPE; |
| 948 | |
| 949 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { | |
| 950 error("intrinsics cannot have function bodies"); | |
| 951 fatal(); | |
| 952 } | |
| 953 | |
| 954 // construct function | |
|
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955 const llvm::FunctionType* functype = (f->llvmType == 0) ? LLVM_DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType); |
| 9 | 956 |
| 957 // make the function | |
| 958 llvm::Function* func = gIR->module->getFunction(mangled_name); | |
| 959 if (func == 0) { | |
| 960 func = new llvm::Function(functype,LLVM_DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module); | |
| 961 } | |
| 962 | |
| 963 if (fdecl->llvmInternal != LLVMintrinsic) | |
| 964 func->setCallingConv(LLVM_DtoCallingConv(f->linkage)); | |
| 965 | |
| 966 fdecl->llvmValue = func; | |
| 967 f->llvmType = functype; | |
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968 assert(llvm::isa<llvm::FunctionType>(f->llvmType)); |
| 9 | 969 |
| 970 if (fdecl->isMain()) { | |
| 971 gIR->mainFunc = func; | |
| 972 } | |
| 973 | |
| 974 // name parameters | |
| 975 llvm::Function::arg_iterator iarg = func->arg_begin(); | |
| 976 int k = 0; | |
| 977 if (f->llvmRetInPtr) { | |
| 978 iarg->setName("retval"); | |
| 979 f->llvmRetArg = iarg; | |
| 980 ++iarg; | |
| 981 } | |
| 982 if (f->llvmUsesThis) { | |
| 983 iarg->setName("this"); | |
| 984 ++iarg; | |
| 985 } | |
| 986 for (; iarg != func->arg_end(); ++iarg) | |
| 987 { | |
| 988 Argument* arg = Argument::getNth(f->parameters, k++); | |
| 989 assert(arg != 0); | |
| 990 //arg->llvmValue = iarg; | |
| 991 //printf("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident); | |
| 992 if (arg->ident != 0) { | |
| 993 if (arg->vardecl) { | |
| 994 arg->vardecl->llvmValue = iarg; | |
| 995 } | |
| 996 iarg->setName(arg->ident->toChars()); | |
| 997 } | |
| 998 else { | |
| 999 iarg->setName("unnamed"); | |
| 1000 } | |
| 1001 } | |
| 1002 | |
| 1003 return func; | |
| 1004 } | |
|
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1005 |
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1006 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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1007 |
|
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1008 void LLVM_DtoGiveArgumentStorage(elem* l) |
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1009 { |
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1010 assert(l->mem == 0); |
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1011 assert(l->val); |
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1012 assert(llvm::isa<llvm::Argument>(l->val)); |
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1013 assert(l->vardecl != 0); |
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1014 |
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1015 llvm::AllocaInst* allocainst = new llvm::AllocaInst(l->val->getType(), l->val->getName()+"_storage", gIR->topallocapoint()); |
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1016 l->mem = allocainst; |
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1017 l->vardecl->llvmValue = l->mem; |
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1018 } |
| 34 | 1019 |
| 1020 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1021 | |
| 1022 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, const llvm::Type* ty) | |
| 1023 { | |
| 1024 /*size_t sz = gTargetData->getTypeSize(ty); | |
| 1025 llvm::ConstantInt* n = llvm::ConstantInt::get(LLVM_DtoSize_t(), sz, false); | |
| 1026 if (ptr == 0) { | |
| 1027 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1028 ptr = llvm::ConstantPointerNull::get(i8pty); | |
| 1029 } | |
| 1030 return LLVM_DtoRealloc(ptr, n);*/ | |
| 1031 return NULL; | |
| 1032 } | |
| 1033 | |
| 1034 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1035 | |
| 1036 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, llvm::Value* n) | |
| 1037 { | |
| 1038 assert(ptr); | |
| 1039 assert(n); | |
| 1040 | |
| 1041 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_realloc"); | |
| 1042 assert(fn); | |
| 1043 | |
| 1044 llvm::Value* newptr = ptr; | |
| 1045 | |
| 1046 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1047 if (ptr->getType() != i8pty) { | |
| 1048 newptr = new llvm::BitCastInst(ptr,i8pty,"tmp",gIR->scopebb()); | |
| 1049 } | |
| 1050 | |
| 1051 std::vector<llvm::Value*> args; | |
| 1052 args.push_back(newptr); | |
| 1053 args.push_back(n); | |
| 1054 llvm::Value* ret = new llvm::CallInst(fn, args.begin(), args.end(), "tmprealloc", gIR->scopebb()); | |
| 1055 | |
| 1056 return ret->getType() == ptr->getType() ? ret : new llvm::BitCastInst(ret,ptr->getType(),"tmp",gIR->scopebb()); | |
| 1057 } | |
| 1058 | |
| 1059 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1060 | |
| 1061 void LLVM_DtoAssert(llvm::Value* cond, llvm::Value* loc, llvm::Value* msg) | |
| 1062 { | |
| 1063 assert(loc); | |
| 1064 std::vector<llvm::Value*> llargs; | |
| 1065 llargs.resize(3); | |
| 1066 llargs[0] = cond ? LLVM_DtoBoolean(cond) : llvm::ConstantInt::getFalse(); | |
| 1067 llargs[1] = loc; | |
| 1068 llargs[2] = msg ? msg : llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty)); | |
| 1069 | |
| 1070 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_assert"); | |
| 1071 assert(fn); | |
| 1072 llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 1073 call->setCallingConv(llvm::CallingConv::C); | |
| 1074 } | |
| 1075 | |
| 40 | 1076 ////////////////////////////////////////////////////////////////////////////////////////// |
| 34 | 1077 |
| 40 | 1078 llvm::Value* LLVM_DtoArgument(const llvm::Type* paramtype, Argument* fnarg, Expression* argexp) |
| 1079 { | |
| 1080 llvm::Value* retval = 0; | |
| 1081 | |
| 1082 bool haslvals = !gIR->lvals.empty(); | |
| 1083 if (haslvals) | |
| 1084 gIR->lvals.push_back(NULL); | |
| 1085 | |
| 1086 elem* arg = argexp->toElem(gIR); | |
| 1087 | |
| 1088 if (haslvals) | |
| 1089 gIR->lvals.pop_back(); | |
| 1090 | |
| 1091 if (arg->inplace) { | |
| 1092 assert(arg->mem != 0); | |
| 1093 retval = arg->mem; | |
| 1094 delete arg; | |
| 1095 return retval; | |
| 1096 } | |
| 1097 | |
| 1098 Type* realtype = LLVM_DtoDType(argexp->type); | |
| 1099 TY argty = realtype->ty; | |
| 1100 if (LLVM_DtoIsPassedByRef(realtype)) { | |
| 1101 if (!fnarg || !fnarg->llvmCopy) { | |
| 1102 retval = arg->getValue(); | |
| 1103 assert(retval != 0); | |
| 1104 } | |
| 1105 else { | |
| 1106 llvm::Value* allocaInst = 0; | |
| 1107 llvm::BasicBlock* entryblock = &gIR->topfunc()->front(); | |
| 1108 //const llvm::PointerType* pty = llvm::cast<llvm::PointerType>(arg->mem->getType()); | |
| 1109 const llvm::PointerType* pty = llvm::PointerType::get(LLVM_DtoType(argexp->type)); | |
| 1110 if (argty == Tstruct) { | |
| 1111 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1112 TypeStruct* ts = (TypeStruct*)LLVM_DtoDType(argexp->type); | |
| 1113 LLVM_DtoStructCopy(ts,allocaInst,arg->mem); | |
| 1114 } | |
| 1115 else if (argty == Tdelegate) { | |
| 1116 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1117 LLVM_DtoDelegateCopy(allocaInst,arg->mem); | |
| 1118 } | |
| 1119 else if (argty == Tarray) { | |
| 1120 if (arg->type == elem::SLICE) { | |
| 1121 allocaInst = new llvm::AllocaInst(LLVM_DtoType(argexp->type), "tmpparam", gIR->topallocapoint()); | |
| 1122 LLVM_DtoSetArray(allocaInst, arg->arg, arg->mem); | |
| 1123 } | |
| 1124 else { | |
| 1125 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1126 LLVM_DtoArrayAssign(allocaInst,arg->mem); | |
| 1127 } | |
| 1128 } | |
| 1129 else | |
| 1130 assert(0); | |
| 1131 | |
| 1132 assert(allocaInst != 0); | |
| 1133 retval = allocaInst; | |
| 1134 } | |
| 1135 } | |
| 1136 else if (!fnarg || fnarg->llvmCopy) { | |
| 1137 Logger::println("regular arg"); | |
| 1138 assert(arg->type != elem::SLICE); | |
| 1139 if (arg->mem) Logger::cout() << "mem = " << *arg->mem << '\n'; | |
| 1140 if (arg->val) Logger::cout() << "val = " << *arg->val << '\n'; | |
| 1141 if (arg->arg) Logger::cout() << "arg = " << *arg->arg << '\n'; | |
| 1142 retval = arg->arg ? arg->arg : arg->field ? arg->mem : arg->getValue(); | |
| 1143 } | |
| 1144 else { | |
| 1145 Logger::println("as ptr arg"); | |
| 1146 retval = arg->mem ? arg->mem : arg->val; | |
| 1147 if (retval->getType() != paramtype) | |
| 1148 { | |
| 1149 assert(retval->getType() == paramtype->getContainedType(0)); | |
| 1150 LLVM_DtoGiveArgumentStorage(arg); | |
| 1151 new llvm::StoreInst(retval, arg->mem, gIR->scopebb()); | |
| 1152 retval = arg->mem; | |
| 1153 } | |
| 1154 } | |
| 1155 | |
| 1156 delete arg; | |
| 1157 | |
| 1158 if (fnarg && retval->getType() != paramtype) { | |
| 1159 Logger::cout() << "got '" << *retval->getType() << "' expected '" << *paramtype << "'\n"; | |
| 1160 assert(0 && "parameter type that was actually passed is invalid"); | |
| 1161 } | |
| 1162 return retval; | |
| 1163 } | |
| 34 | 1164 |
| 1165 |