Mercurial > projects > ldc
annotate gen/tollvm.c @ 54:28e99b04a132 trunk
[svn r58] Fixed cond expression resulting in a non-basic type.
Fixed identity expression for dynamic arrays.
Revamped the system to keep track of lvalues and rvalues and their relations.
Typedef declaration now generate the custom typeinfo.
Other bugfixes.
| author | lindquist |
|---|---|
| date | Wed, 24 Oct 2007 01:37:34 +0200 |
| parents | 06ccc817acd4 |
| children | 0ccfae271c45 |
| 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 | |
| 52 | 164 // enum |
| 1 | 165 case Ttypedef: |
| 52 | 166 case Tenum: |
| 1 | 167 { |
| 168 Type* bt = t->toBasetype(); | |
| 169 assert(bt); | |
| 170 return LLVM_DtoType(bt); | |
| 171 } | |
| 172 | |
| 173 default: | |
| 174 printf("trying to convert unknown type with value %d\n", t->ty); | |
| 175 assert(0); | |
| 176 } | |
| 177 return 0; | |
| 178 } | |
| 179 | |
| 180 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 181 | |
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182 const llvm::FunctionType* LLVM_DtoFunctionType(Type* t, const llvm::Type* thisparam) |
| 1 | 183 { |
| 184 TypeFunction* f = (TypeFunction*)t; | |
| 185 | |
| 186 // parameter types | |
| 187 const llvm::Type* rettype; | |
| 188 std::vector<const llvm::Type*> paramvec; | |
| 189 | |
| 40 | 190 if (LLVM_DtoIsPassedByRef(f->next)) { |
| 1 | 191 rettype = llvm::PointerType::get(LLVM_DtoType(f->next)); |
| 192 paramvec.push_back(rettype); | |
| 193 rettype = llvm::Type::VoidTy; | |
| 194 } | |
| 195 else { | |
| 196 Type* rt = f->next; | |
| 197 if (rt) | |
| 198 rettype = LLVM_DtoType(rt); | |
| 199 else | |
| 200 assert(0); | |
| 201 } | |
| 202 | |
| 203 if (thisparam) { | |
| 204 paramvec.push_back(thisparam); | |
| 205 } | |
| 206 | |
| 207 size_t n = Argument::dim(f->parameters); | |
| 208 for (int i=0; i < n; ++i) { | |
| 209 Argument* arg = Argument::getNth(f->parameters, i); | |
| 210 // ensure scalar | |
| 211 Type* argT = arg->type; | |
| 212 assert(argT); | |
| 213 paramvec.push_back(LLVM_DtoType(argT)); | |
| 214 } | |
| 215 | |
| 216 Logger::cout() << "Return type: " << *rettype << '\n'; | |
| 217 | |
| 218 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, f->varargs); | |
| 219 return functype; | |
| 220 } | |
| 221 | |
| 222 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 223 | |
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224 const llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl) |
| 1 | 225 { |
| 226 TypeFunction* f = (TypeFunction*)fdecl->type; | |
| 227 assert(f != 0); | |
| 228 | |
| 9 | 229 // type has already been resolved |
| 1 | 230 if (f->llvmType != 0) { |
| 231 return llvm::cast<llvm::FunctionType>(f->llvmType); | |
| 232 } | |
| 233 | |
| 234 // return value type | |
| 235 const llvm::Type* rettype; | |
| 236 const llvm::Type* actualRettype; | |
| 237 Type* rt = f->next; | |
| 238 bool retinptr = false; | |
| 239 bool usesthis = false; | |
| 240 | |
| 241 if (fdecl->isMain()) { | |
| 242 rettype = llvm::Type::Int32Ty; | |
| 243 actualRettype = rettype; | |
| 244 } | |
| 245 else if (rt) { | |
| 40 | 246 if (LLVM_DtoIsPassedByRef(rt)) { |
| 1 | 247 rettype = llvm::PointerType::get(LLVM_DtoType(rt)); |
| 248 actualRettype = llvm::Type::VoidTy; | |
| 249 f->llvmRetInPtr = retinptr = true; | |
| 250 } | |
| 251 else { | |
| 252 rettype = LLVM_DtoType(rt); | |
| 253 actualRettype = rettype; | |
| 254 } | |
| 255 } | |
| 256 else { | |
| 257 assert(0); | |
| 258 } | |
| 259 | |
| 260 // parameter types | |
| 261 std::vector<const llvm::Type*> paramvec; | |
| 262 | |
| 263 if (retinptr) { | |
|
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264 Logger::cout() << "returning through pointer parameter: " << *rettype << '\n'; |
| 1 | 265 paramvec.push_back(rettype); |
| 266 } | |
| 267 | |
| 9 | 268 if (fdecl->needThis()) { |
| 269 if (AggregateDeclaration* ad = fdecl->isMember()) { | |
| 270 Logger::print("isMember = this is: %s\n", ad->type->toChars()); | |
| 271 const llvm::Type* thisty = LLVM_DtoType(ad->type); | |
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272 Logger::cout() << "this llvm type: " << *thisty << '\n'; |
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273 if (llvm::isa<llvm::StructType>(thisty) || thisty == gIR->topstruct().recty.get()) |
| 9 | 274 thisty = llvm::PointerType::get(thisty); |
| 275 paramvec.push_back(thisty); | |
| 276 usesthis = true; | |
| 277 } | |
| 278 else | |
| 279 assert(0); | |
| 1 | 280 } |
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281 else if (fdecl->isNested()) { |
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282 paramvec.push_back(llvm::PointerType::get(llvm::Type::Int8Ty)); |
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283 usesthis = true; |
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284 } |
| 1 | 285 |
| 286 size_t n = Argument::dim(f->parameters); | |
| 287 for (int i=0; i < n; ++i) { | |
| 288 Argument* arg = Argument::getNth(f->parameters, i); | |
| 289 // ensure scalar | |
| 40 | 290 Type* argT = LLVM_DtoDType(arg->type); |
| 1 | 291 assert(argT); |
| 292 | |
| 293 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { | |
| 294 //assert(arg->vardecl); | |
| 295 //arg->vardecl->refparam = true; | |
| 296 } | |
| 297 else | |
| 298 arg->llvmCopy = true; | |
| 299 | |
| 300 const llvm::Type* at = LLVM_DtoType(argT); | |
| 301 if (llvm::isa<llvm::StructType>(at)) { | |
| 302 Logger::println("struct param"); | |
| 303 paramvec.push_back(llvm::PointerType::get(at)); | |
| 304 } | |
| 305 else if (llvm::isa<llvm::ArrayType>(at)) { | |
| 306 Logger::println("sarray param"); | |
| 307 assert(argT->ty == Tsarray); | |
| 308 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); | |
| 309 paramvec.push_back(llvm::PointerType::get(at)); | |
| 310 } | |
| 40 | 311 else if (llvm::isa<llvm::OpaqueType>(at)) { |
| 312 Logger::println("opaque param"); | |
| 313 if (argT->ty == Tstruct || argT->ty == Tclass) | |
| 314 paramvec.push_back(llvm::PointerType::get(at)); | |
| 315 else | |
| 316 assert(0); | |
| 317 } | |
| 318 /*if (llvm::isa<llvm::StructType>(at) || argT->ty == Tstruct || argT->ty == Tsarray) { | |
| 319 paramvec.push_back(llvm::PointerType::get(at)); | |
| 320 }*/ | |
| 1 | 321 else { |
| 322 if (!arg->llvmCopy) { | |
| 323 Logger::println("ref param"); | |
| 324 at = llvm::PointerType::get(at); | |
| 325 } | |
| 326 else { | |
| 327 Logger::println("in param"); | |
| 328 } | |
| 329 paramvec.push_back(at); | |
| 330 } | |
| 331 } | |
| 332 | |
| 333 // construct function type | |
| 334 bool isvararg = f->varargs; | |
| 335 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); | |
| 336 | |
| 337 f->llvmType = functype; | |
| 9 | 338 f->llvmRetInPtr = retinptr; |
| 339 f->llvmUsesThis = usesthis; | |
| 1 | 340 return functype; |
| 341 } | |
| 342 | |
| 343 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 344 | |
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345 const llvm::StructType* LLVM_DtoDelegateType(Type* t) |
| 1 | 346 { |
| 347 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 348 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
| 349 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
| 350 | |
| 351 std::vector<const llvm::Type*> types; | |
| 352 types.push_back(i8ptr); | |
| 353 types.push_back(funcptr); | |
| 354 return llvm::StructType::get(types); | |
| 355 } | |
| 356 | |
| 357 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 358 | |
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359 const llvm::Type* LLVM_DtoStructType(Type* t) |
| 1 | 360 { |
| 361 assert(0); | |
| 362 std::vector<const llvm::Type*> types; | |
| 363 return llvm::StructType::get(types); | |
| 364 } | |
| 365 | |
| 366 | |
| 367 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 368 | |
| 369 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
| 370 { | |
| 371 assert(bits == 32 || bits == 64); | |
| 372 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 373 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 374 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 375 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 376 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 377 | |
| 378 assert(gIR); | |
| 379 assert(gIR->module); | |
| 380 | |
| 381 // parameter types | |
| 382 std::vector<const llvm::Type*> pvec; | |
| 383 pvec.push_back(int8ptrty); | |
| 384 pvec.push_back(set?int8ty:int8ptrty); | |
| 385 pvec.push_back(bits==32?int32ty:int64ty); | |
| 386 pvec.push_back(int32ty); | |
| 387 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 388 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 389 } | |
| 390 | |
| 391 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 392 | |
| 393 // llvm.memset.i32 | |
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394 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 395 { |
| 396 static llvm::Function* _func = 0; | |
| 397 if (_func == 0) { | |
| 398 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 399 } | |
| 400 return _func; | |
| 401 } | |
| 402 | |
| 403 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 404 | |
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405 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 406 { |
| 407 static llvm::Function* _func = 0; | |
| 408 if (_func == 0) { | |
| 409 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 410 } | |
| 411 return _func; | |
| 412 } | |
| 413 | |
| 414 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 415 | |
| 416 // llvm.memcpy.i32 | |
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417 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 418 { |
| 419 static llvm::Function* _func = 0; | |
| 420 if (_func == 0) { | |
| 421 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 422 } | |
| 423 return _func; | |
| 424 } | |
| 425 | |
| 426 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 427 | |
| 428 // llvm.memcpy.i64 | |
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429 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 430 { |
| 431 static llvm::Function* _func = 0; | |
| 432 if (_func == 0) { | |
| 433 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 434 } | |
| 435 return _func; | |
| 436 } | |
| 437 | |
| 438 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 439 | |
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440 llvm::Value* LLVM_DtoStructZeroInit(llvm::Value* v) |
| 1 | 441 { |
| 442 assert(gIR); | |
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443 uint64_t n = gTargetData->getTypeSize(v->getType()->getContainedType(0)); |
| 1 | 444 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); |
| 445 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 446 | |
| 447 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
| 448 | |
| 449 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 450 std::vector<llvm::Value*> llargs; | |
| 451 llargs.resize(4); | |
| 452 llargs[0] = sarr; | |
| 453 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 454 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 455 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 456 | |
| 457 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 458 | |
| 459 return ret; | |
| 460 } | |
| 461 | |
| 462 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 463 | |
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464 llvm::Value* LLVM_DtoStructCopy(llvm::Value* dst, llvm::Value* src) |
| 1 | 465 { |
| 466 assert(dst->getType() == src->getType()); | |
| 467 assert(gIR); | |
| 468 | |
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469 uint64_t n = gTargetData->getTypeSize(dst->getType()->getContainedType(0)); |
| 1 | 470 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); |
| 471 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 472 | |
| 473 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 474 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 475 | |
| 476 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 477 std::vector<llvm::Value*> llargs; | |
| 478 llargs.resize(4); | |
| 479 llargs[0] = dstarr; | |
| 480 llargs[1] = srcarr; | |
| 481 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 482 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 483 | |
| 484 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 485 } | |
| 486 | |
| 487 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 40 | 488 llvm::Constant* LLVM_DtoConstStructInitializer(StructInitializer* si) |
| 1 | 489 { |
| 490 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
| 491 size_t n = structtype->getNumElements(); | |
| 492 | |
| 493 assert(si->value.dim == si->vars.dim); | |
| 494 | |
| 495 std::vector<llvm::Constant*> inits; | |
| 496 inits.resize(n, NULL); | |
| 497 for (int i = 0; i < si->value.dim; ++i) | |
| 498 { | |
| 499 Initializer* ini = (Initializer*)si->value.data[i]; | |
| 500 assert(ini); | |
| 501 | |
| 502 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
| 40 | 503 Type* vdtype = LLVM_DtoDType(vd->type); |
| 1 | 504 assert(vd); |
| 505 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
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506 |
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507 std::vector<unsigned> idxs; |
| 40 | 508 si->ad->offsetToIndex(vdtype, vd->offset, idxs); |
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509 assert(idxs.size() == 1); |
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510 unsigned idx = idxs[0]; |
| 1 | 511 |
| 512 llvm::Constant* v = 0; | |
| 513 | |
| 514 if (ExpInitializer* ex = ini->isExpInitializer()) | |
| 515 { | |
| 40 | 516 v = ex->exp->toConstElem(gIR); |
| 1 | 517 } |
| 518 else if (StructInitializer* si = ini->isStructInitializer()) | |
| 519 { | |
| 40 | 520 v = LLVM_DtoConstStructInitializer(si); |
| 1 | 521 } |
| 522 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
| 523 { | |
| 40 | 524 v = LLVM_DtoConstArrayInitializer(ai); |
| 1 | 525 } |
| 526 else if (ini->isVoidInitializer()) | |
| 527 { | |
| 528 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
| 529 } | |
| 530 else | |
| 531 assert(v); | |
| 532 | |
| 533 inits[idx] = v; | |
| 534 } | |
| 535 | |
| 536 // fill out nulls | |
| 537 assert(si->ad->llvmInitZ); | |
| 538 if (si->ad->llvmInitZ->isNullValue()) | |
| 539 { | |
| 540 for (int i = 0; i < n; ++i) | |
| 541 { | |
| 542 if (inits[i] == 0) | |
| 543 { | |
| 544 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
| 545 } | |
| 546 } | |
| 547 } | |
| 548 else | |
| 549 { | |
| 550 for (int i = 0; i < n; ++i) | |
| 551 { | |
| 552 if (inits[i] == 0) | |
| 553 { | |
| 554 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
| 555 } | |
| 556 } | |
| 557 } | |
| 558 | |
| 559 return llvm::ConstantStruct::get(structtype, inits); | |
| 560 } | |
| 561 | |
| 562 | |
| 563 | |
| 564 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 565 | |
| 566 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
| 567 { | |
| 568 assert(gIR); | |
| 569 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 570 | |
| 571 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 572 | |
| 573 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 574 | |
| 575 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 576 std::vector<llvm::Value*> llargs; | |
| 577 llargs.resize(4); | |
| 578 llargs[0] = arr; | |
| 579 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 580 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 581 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 582 | |
| 583 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 584 | |
| 585 return ret; | |
| 586 } | |
| 587 | |
| 588 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 589 | |
| 590 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
| 591 { | |
| 592 assert(dst->getType() == src->getType()); | |
| 593 assert(gIR); | |
| 594 | |
| 595 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 596 | |
| 597 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 598 | |
| 599 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 600 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 601 | |
| 602 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 603 std::vector<llvm::Value*> llargs; | |
| 604 llargs.resize(4); | |
| 605 llargs[0] = dstarr; | |
| 606 llargs[1] = srcarr; | |
| 607 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 608 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 609 | |
| 610 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 611 } | |
| 612 | |
|
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613 ////////////////////////////////////////////////////////////////////////////////////////// |
| 1 | 614 |
|
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615 llvm::Value* LLVM_DtoCompareDelegate(TOK op, llvm::Value* lhs, llvm::Value* rhs) |
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616 { |
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617 llvm::ICmpInst::Predicate pred = (op == TOKequal) ? llvm::ICmpInst::ICMP_EQ : llvm::ICmpInst::ICMP_NE; |
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618 llvm::Value* l = gIR->ir->CreateLoad(LLVM_DtoGEPi(lhs,0,0,"tmp"),"tmp"); |
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619 llvm::Value* r = gIR->ir->CreateLoad(LLVM_DtoGEPi(rhs,0,0,"tmp"),"tmp"); |
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620 llvm::Value* b1 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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621 l = gIR->ir->CreateLoad(LLVM_DtoGEPi(lhs,0,1,"tmp"),"tmp"); |
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622 r = gIR->ir->CreateLoad(LLVM_DtoGEPi(rhs,0,1,"tmp"),"tmp"); |
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623 llvm::Value* b2 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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624 llvm::Value* b = gIR->ir->CreateAnd(b1,b2,"tmp"); |
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625 if (op == TOKnotequal) |
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626 return gIR->ir->CreateNot(b,"tmp"); |
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627 return b; |
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628 } |
| 1 | 629 |
| 630 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 631 | |
| 632 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
| 633 { | |
| 634 switch(prot) | |
| 635 { | |
| 636 case PROTprivate: | |
| 637 return llvm::GlobalValue::InternalLinkage; | |
| 638 | |
| 639 case PROTpublic: | |
| 640 case PROTpackage: | |
| 641 case PROTprotected: | |
| 642 case PROTexport: | |
| 643 return llvm::GlobalValue::ExternalLinkage; | |
| 644 | |
| 645 case PROTundefined: | |
| 646 case PROTnone: | |
| 647 assert(0 && "Unsupported linkage type"); | |
| 648 } | |
| 649 return llvm::GlobalValue::ExternalLinkage; | |
| 650 | |
| 651 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 652 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 653 GhostLinkage */ | |
| 654 } | |
| 655 | |
| 656 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 657 | |
| 658 unsigned LLVM_DtoCallingConv(LINK l) | |
| 659 { | |
| 660 if (l == LINKc) | |
| 661 return llvm::CallingConv::C; | |
| 662 else if (l == LINKd || l == LINKdefault) | |
| 663 return llvm::CallingConv::Fast; | |
| 664 else if (l == LINKwindows) | |
| 665 return llvm::CallingConv::X86_StdCall; | |
| 666 else | |
| 667 assert(0 && "Unsupported calling convention"); | |
| 668 } | |
| 669 | |
| 670 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 671 | |
| 672 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
| 673 { | |
| 674 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 675 const llvm::Type* valTy = val->getType(); | |
| 676 // ptr points to val's type | |
| 677 if (ptrTy == valTy) | |
| 678 { | |
| 679 return val; | |
| 680 } | |
| 681 // ptr is integer pointer | |
| 682 else if (ptrTy->isInteger()) | |
| 683 { | |
| 684 // val is integer | |
| 685 assert(valTy->isInteger()); | |
| 686 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 687 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 688 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 689 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 690 } | |
| 691 else | |
| 692 assert(0); | |
| 693 } | |
| 694 // something else unsupported | |
| 695 else | |
| 696 { | |
| 697 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 698 assert(0); | |
| 699 } | |
| 700 return 0; | |
| 701 } | |
| 702 | |
| 703 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 704 | |
| 705 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
| 706 { | |
| 707 const llvm::Type* t = val->getType(); | |
| 708 if (t->isInteger()) | |
| 709 { | |
| 710 if (t == llvm::Type::Int1Ty) | |
| 711 return val; | |
| 712 else { | |
| 713 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 714 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 715 } | |
| 716 } | |
| 717 else if (llvm::isa<llvm::PointerType>(t)) { | |
| 718 const llvm::Type* st = LLVM_DtoSize_t(); | |
| 719 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
| 720 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 721 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 722 } | |
| 723 else | |
| 724 { | |
| 725 Logger::cout() << *t << '\n'; | |
| 726 } | |
| 727 assert(0); | |
| 728 return 0; | |
| 729 } | |
| 730 | |
| 731 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 732 | |
| 733 const llvm::Type* LLVM_DtoSize_t() | |
| 734 { | |
| 735 if (global.params.is64bit) | |
| 736 return llvm::Type::Int64Ty; | |
| 737 else | |
| 738 return llvm::Type::Int32Ty; | |
| 739 } | |
| 740 | |
| 741 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 742 | |
| 743 void LLVM_DtoMain() | |
| 744 { | |
| 745 // emit main function llvm style | |
| 746 // int main(int argc, char**argv, char**env); | |
| 747 | |
| 748 assert(gIR != 0); | |
| 749 IRState& ir = *gIR; | |
| 750 | |
| 751 assert(ir.emitMain && ir.mainFunc); | |
| 752 | |
| 753 // parameter types | |
| 754 std::vector<const llvm::Type*> pvec; | |
| 755 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 756 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 757 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 758 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 759 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 760 | |
| 761 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 762 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 763 | |
| 764 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 765 | |
| 766 // call static ctors | |
| 767 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 768 new llvm::CallInst(fn,"",bb); | |
| 769 | |
| 770 // call user main function | |
| 771 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 772 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
| 773 | |
| 774 // call static dtors | |
| 775 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 776 new llvm::CallInst(fn,"",bb); | |
| 777 | |
| 778 // return | |
| 779 new llvm::ReturnInst(call,bb); | |
| 780 } | |
| 781 | |
| 782 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 783 | |
| 784 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
| 785 { | |
| 786 Array* arr = &tc->sym->dtors; | |
| 787 for (size_t i=0; i<arr->dim; i++) | |
| 788 { | |
| 789 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 790 assert(fd->llvmValue); | |
| 791 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 792 } | |
| 793 } | |
| 794 | |
| 795 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 796 | |
| 797 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
| 798 { | |
| 799 assert(gIR); | |
| 800 | |
| 801 assert(tc->llvmType); | |
|
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802 uint64_t size_t_size = gTargetData->getTypeSize(LLVM_DtoSize_t()); |
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803 uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size; |
| 1 | 804 |
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805 // set vtable field |
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806 llvm::Value* vtblvar = LLVM_DtoGEPi(dst,0,0,"tmp",gIR->scopebb()); |
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807 assert(tc->sym->llvmVtbl); |
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808 new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb()); |
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809 |
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810 // copy the static initializer |
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811 if (n > 0) { |
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812 assert(tc->llvmInit); |
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813 assert(dst->getType() == tc->llvmInit->getType()); |
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814 |
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815 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
| 1 | 816 |
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817 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
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818 dstarr = LLVM_DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb()); |
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819 |
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820 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); |
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821 srcarr = LLVM_DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb()); |
| 1 | 822 |
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823 llvm::Function* fn = LLVM_DeclareMemCpy32(); |
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824 std::vector<llvm::Value*> llargs; |
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825 llargs.resize(4); |
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826 llargs[0] = dstarr; |
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827 llargs[1] = srcarr; |
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828 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); |
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829 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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830 |
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831 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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832 } |
| 1 | 833 } |
| 834 | |
| 835 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 836 | |
| 40 | 837 llvm::Constant* LLVM_DtoConstInitializer(Type* type, Initializer* init) |
| 1 | 838 { |
|
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|
839 llvm::Constant* _init = 0; // may return zero |
| 1 | 840 if (!init) |
| 841 { | |
| 40 | 842 Logger::println("const default initializer for %s", type->toChars()); |
| 843 _init = type->defaultInit()->toConstElem(gIR); | |
| 1 | 844 } |
| 845 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 846 { | |
| 40 | 847 Logger::println("const expression initializer"); |
| 848 _init = ex->exp->toConstElem(gIR); | |
| 1 | 849 } |
| 850 else if (StructInitializer* si = init->isStructInitializer()) | |
| 851 { | |
| 40 | 852 Logger::println("const struct initializer"); |
| 853 _init = LLVM_DtoConstStructInitializer(si); | |
| 1 | 854 } |
| 855 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 856 { | |
| 40 | 857 Logger::println("const array initializer"); |
| 858 _init = LLVM_DtoConstArrayInitializer(ai); | |
| 1 | 859 } |
| 860 else if (init->isVoidInitializer()) | |
| 861 { | |
| 40 | 862 Logger::println("const void initializer"); |
| 1 | 863 const llvm::Type* ty = LLVM_DtoType(type); |
| 864 _init = llvm::Constant::getNullValue(ty); | |
| 865 } | |
| 866 else { | |
| 40 | 867 Logger::println("unsupported const initializer: %s", init->toChars()); |
| 868 } | |
| 869 return _init; | |
| 870 } | |
| 871 | |
| 872 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 873 | |
| 874 void LLVM_DtoInitializer(Initializer* init) | |
| 875 { | |
| 876 if (ExpInitializer* ex = init->isExpInitializer()) | |
| 877 { | |
| 878 Logger::println("expression initializer"); | |
| 879 elem* e = ex->exp->toElem(gIR); | |
| 880 delete e; | |
| 881 } | |
| 882 else { | |
| 1 | 883 Logger::println("unsupported initializer: %s", init->toChars()); |
| 884 } | |
| 885 } | |
| 6 | 886 |
|
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887 ////////////////////////////////////////////////////////////////////////////////////////// |
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888 |
| 6 | 889 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) |
| 890 { | |
| 891 std::vector<llvm::Value*> v(2); | |
| 892 v[0] = i0; | |
| 893 v[1] = i1; | |
|
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894 Logger::cout() << "DtoGEP: " << *ptr << '\n'; |
|
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895 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
| 6 | 896 } |
|
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897 |
|
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898 ////////////////////////////////////////////////////////////////////////////////////////// |
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899 |
|
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900 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
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901 { |
|
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902 size_t n = src.size(); |
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903 std::vector<llvm::Value*> dst(n); |
| 40 | 904 std::ostream& ostr = Logger::cout(); |
| 905 ostr << "indices for '" << *ptr << "':"; | |
|
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906 for (size_t i=0; i<n; ++i) |
|
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907 { |
| 40 | 908 ostr << ' ' << i; |
|
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909 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
|
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910 } |
| 40 | 911 ostr << '\n'; |
|
50
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912 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb?bb:gIR->scopebb()); |
|
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913 } |
| 9 | 914 |
|
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915 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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916 |
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917 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb) |
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918 { |
|
50
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919 return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb?bb:gIR->scopebb()); |
|
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920 } |
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921 |
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922 ////////////////////////////////////////////////////////////////////////////////////////// |
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923 |
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924 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb) |
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925 { |
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926 std::vector<llvm::Value*> v(2); |
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927 v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false); |
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928 v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false); |
|
50
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929 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
|
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930 } |
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931 |
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|
932 ////////////////////////////////////////////////////////////////////////////////////////// |
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933 |
| 9 | 934 llvm::Function* LLVM_DtoDeclareFunction(FuncDeclaration* fdecl) |
| 935 { | |
|
27
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936 // mangled name |
|
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937 char* mangled_name = (fdecl->llvmInternal == LLVMintrinsic) ? fdecl->llvmInternal1 : fdecl->mangle(); |
|
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938 |
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939 // unit test special handling |
|
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940 if (fdecl->isUnitTestDeclaration()) |
|
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941 { |
|
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942 assert(0 && "no unittests yet"); |
|
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943 /*const llvm::FunctionType* fnty = llvm::FunctionType::get(llvm::Type::VoidTy, std::vector<const llvm::Type*>(), false); |
|
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944 // make the function |
|
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945 llvm::Function* func = gIR->module->getFunction(mangled_name); |
|
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946 if (func == 0) |
|
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947 func = new llvm::Function(fnty,llvm::GlobalValue::InternalLinkage,mangled_name,gIR->module); |
|
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948 func->setCallingConv(llvm::CallingConv::Fast); |
|
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949 fdecl->llvmValue = func; |
|
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950 return func; |
|
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|
951 */ |
|
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|
952 } |
|
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|
953 |
|
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|
954 // regular function |
| 40 | 955 TypeFunction* f = (TypeFunction*)LLVM_DtoDType(fdecl->type); |
|
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|
956 assert(f != 0); |
|
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|
957 |
| 9 | 958 if (fdecl->llvmValue != 0) { |
| 18 | 959 if (!llvm::isa<llvm::Function>(fdecl->llvmValue)) |
| 960 { | |
| 961 Logger::cout() << *fdecl->llvmValue << '\n'; | |
| 962 assert(0); | |
| 963 } | |
| 9 | 964 return llvm::cast<llvm::Function>(fdecl->llvmValue); |
| 965 } | |
| 966 | |
| 18 | 967 Logger::print("FuncDeclaration::toObjFile(%s): %s\n", fdecl->needThis()?"this":"static",fdecl->toChars()); |
| 9 | 968 LOG_SCOPE; |
| 969 | |
| 970 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { | |
| 971 error("intrinsics cannot have function bodies"); | |
| 972 fatal(); | |
| 973 } | |
| 974 | |
| 975 // construct function | |
|
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976 const llvm::FunctionType* functype = (f->llvmType == 0) ? LLVM_DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType); |
| 9 | 977 |
| 978 // make the function | |
| 979 llvm::Function* func = gIR->module->getFunction(mangled_name); | |
| 980 if (func == 0) { | |
| 981 func = new llvm::Function(functype,LLVM_DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module); | |
| 982 } | |
| 983 | |
| 984 if (fdecl->llvmInternal != LLVMintrinsic) | |
| 985 func->setCallingConv(LLVM_DtoCallingConv(f->linkage)); | |
| 986 | |
| 987 fdecl->llvmValue = func; | |
| 988 f->llvmType = functype; | |
|
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989 assert(llvm::isa<llvm::FunctionType>(f->llvmType)); |
| 9 | 990 |
| 991 if (fdecl->isMain()) { | |
| 992 gIR->mainFunc = func; | |
| 993 } | |
| 994 | |
| 995 // name parameters | |
| 996 llvm::Function::arg_iterator iarg = func->arg_begin(); | |
| 997 int k = 0; | |
| 998 if (f->llvmRetInPtr) { | |
| 999 iarg->setName("retval"); | |
| 1000 f->llvmRetArg = iarg; | |
| 1001 ++iarg; | |
| 1002 } | |
| 1003 if (f->llvmUsesThis) { | |
| 1004 iarg->setName("this"); | |
| 1005 ++iarg; | |
| 1006 } | |
| 1007 for (; iarg != func->arg_end(); ++iarg) | |
| 1008 { | |
| 1009 Argument* arg = Argument::getNth(f->parameters, k++); | |
| 1010 assert(arg != 0); | |
| 1011 //arg->llvmValue = iarg; | |
| 1012 //printf("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident); | |
| 1013 if (arg->ident != 0) { | |
| 1014 if (arg->vardecl) { | |
| 1015 arg->vardecl->llvmValue = iarg; | |
| 1016 } | |
| 1017 iarg->setName(arg->ident->toChars()); | |
| 1018 } | |
| 1019 else { | |
| 1020 iarg->setName("unnamed"); | |
| 1021 } | |
| 1022 } | |
| 1023 | |
| 1024 return func; | |
| 1025 } | |
|
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1026 |
|
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1027 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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1028 |
|
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1029 void LLVM_DtoGiveArgumentStorage(elem* l) |
|
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1030 { |
|
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|
1031 assert(l->mem == 0); |
|
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|
1032 assert(l->val); |
|
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|
1033 assert(llvm::isa<llvm::Argument>(l->val)); |
|
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|
1034 assert(l->vardecl != 0); |
|
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1035 |
|
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1036 llvm::AllocaInst* allocainst = new llvm::AllocaInst(l->val->getType(), l->val->getName()+"_storage", gIR->topallocapoint()); |
|
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1037 l->mem = allocainst; |
|
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1038 l->vardecl->llvmValue = l->mem; |
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1039 } |
| 34 | 1040 |
| 1041 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1042 | |
| 1043 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, const llvm::Type* ty) | |
| 1044 { | |
| 1045 /*size_t sz = gTargetData->getTypeSize(ty); | |
| 1046 llvm::ConstantInt* n = llvm::ConstantInt::get(LLVM_DtoSize_t(), sz, false); | |
| 1047 if (ptr == 0) { | |
| 1048 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1049 ptr = llvm::ConstantPointerNull::get(i8pty); | |
| 1050 } | |
| 1051 return LLVM_DtoRealloc(ptr, n);*/ | |
| 1052 return NULL; | |
| 1053 } | |
| 1054 | |
| 1055 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1056 | |
| 1057 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, llvm::Value* n) | |
| 1058 { | |
| 1059 assert(ptr); | |
| 1060 assert(n); | |
| 1061 | |
| 1062 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_realloc"); | |
| 1063 assert(fn); | |
| 1064 | |
| 1065 llvm::Value* newptr = ptr; | |
| 1066 | |
| 1067 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1068 if (ptr->getType() != i8pty) { | |
| 1069 newptr = new llvm::BitCastInst(ptr,i8pty,"tmp",gIR->scopebb()); | |
| 1070 } | |
| 1071 | |
| 1072 std::vector<llvm::Value*> args; | |
| 1073 args.push_back(newptr); | |
| 1074 args.push_back(n); | |
| 1075 llvm::Value* ret = new llvm::CallInst(fn, args.begin(), args.end(), "tmprealloc", gIR->scopebb()); | |
| 1076 | |
| 1077 return ret->getType() == ptr->getType() ? ret : new llvm::BitCastInst(ret,ptr->getType(),"tmp",gIR->scopebb()); | |
| 1078 } | |
| 1079 | |
| 1080 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1081 | |
| 1082 void LLVM_DtoAssert(llvm::Value* cond, llvm::Value* loc, llvm::Value* msg) | |
| 1083 { | |
| 1084 assert(loc); | |
| 1085 std::vector<llvm::Value*> llargs; | |
| 1086 llargs.resize(3); | |
| 1087 llargs[0] = cond ? LLVM_DtoBoolean(cond) : llvm::ConstantInt::getFalse(); | |
| 1088 llargs[1] = loc; | |
| 1089 llargs[2] = msg ? msg : llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty)); | |
| 1090 | |
| 1091 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_assert"); | |
| 1092 assert(fn); | |
| 1093 llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 1094 call->setCallingConv(llvm::CallingConv::C); | |
| 1095 } | |
| 1096 | |
| 40 | 1097 ////////////////////////////////////////////////////////////////////////////////////////// |
| 34 | 1098 |
| 40 | 1099 llvm::Value* LLVM_DtoArgument(const llvm::Type* paramtype, Argument* fnarg, Expression* argexp) |
| 1100 { | |
| 1101 llvm::Value* retval = 0; | |
| 1102 | |
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1103 bool haslvals = !gIR->exps.empty(); |
| 40 | 1104 if (haslvals) |
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1105 gIR->exps.push_back(IRExp(NULL,NULL,NULL)); |
| 40 | 1106 |
| 1107 elem* arg = argexp->toElem(gIR); | |
| 1108 | |
| 1109 if (haslvals) | |
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1110 gIR->exps.pop_back(); |
| 40 | 1111 |
| 1112 if (arg->inplace) { | |
| 1113 assert(arg->mem != 0); | |
| 1114 retval = arg->mem; | |
| 1115 delete arg; | |
| 1116 return retval; | |
| 1117 } | |
| 1118 | |
| 1119 Type* realtype = LLVM_DtoDType(argexp->type); | |
| 1120 TY argty = realtype->ty; | |
| 1121 if (LLVM_DtoIsPassedByRef(realtype)) { | |
| 1122 if (!fnarg || !fnarg->llvmCopy) { | |
| 1123 retval = arg->getValue(); | |
| 1124 assert(retval != 0); | |
| 1125 } | |
| 1126 else { | |
| 1127 llvm::Value* allocaInst = 0; | |
| 1128 llvm::BasicBlock* entryblock = &gIR->topfunc()->front(); | |
| 1129 //const llvm::PointerType* pty = llvm::cast<llvm::PointerType>(arg->mem->getType()); | |
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1130 const llvm::Type* realtypell = LLVM_DtoType(realtype); |
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1131 const llvm::PointerType* pty = llvm::PointerType::get(realtypell); |
| 40 | 1132 if (argty == Tstruct) { |
| 1133 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
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1134 LLVM_DtoStructCopy(allocaInst,arg->mem); |
| 40 | 1135 } |
| 1136 else if (argty == Tdelegate) { | |
| 1137 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1138 LLVM_DtoDelegateCopy(allocaInst,arg->mem); | |
| 1139 } | |
| 1140 else if (argty == Tarray) { | |
| 1141 if (arg->type == elem::SLICE) { | |
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1142 allocaInst = new llvm::AllocaInst(realtypell, "tmpparam", gIR->topallocapoint()); |
| 40 | 1143 LLVM_DtoSetArray(allocaInst, arg->arg, arg->mem); |
| 1144 } | |
| 1145 else { | |
| 1146 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1147 LLVM_DtoArrayAssign(allocaInst,arg->mem); | |
| 1148 } | |
| 1149 } | |
| 1150 else | |
| 1151 assert(0); | |
| 1152 | |
| 1153 assert(allocaInst != 0); | |
| 1154 retval = allocaInst; | |
| 1155 } | |
| 1156 } | |
| 1157 else if (!fnarg || fnarg->llvmCopy) { | |
| 1158 Logger::println("regular arg"); | |
| 1159 assert(arg->type != elem::SLICE); | |
| 1160 if (arg->mem) Logger::cout() << "mem = " << *arg->mem << '\n'; | |
| 1161 if (arg->val) Logger::cout() << "val = " << *arg->val << '\n'; | |
| 1162 if (arg->arg) Logger::cout() << "arg = " << *arg->arg << '\n'; | |
| 1163 retval = arg->arg ? arg->arg : arg->field ? arg->mem : arg->getValue(); | |
| 1164 } | |
| 1165 else { | |
| 1166 Logger::println("as ptr arg"); | |
| 1167 retval = arg->mem ? arg->mem : arg->val; | |
| 1168 if (retval->getType() != paramtype) | |
| 1169 { | |
| 1170 assert(retval->getType() == paramtype->getContainedType(0)); | |
| 1171 LLVM_DtoGiveArgumentStorage(arg); | |
| 1172 new llvm::StoreInst(retval, arg->mem, gIR->scopebb()); | |
| 1173 retval = arg->mem; | |
| 1174 } | |
| 1175 } | |
| 1176 | |
| 1177 delete arg; | |
| 1178 | |
| 1179 if (fnarg && retval->getType() != paramtype) { | |
| 1180 Logger::cout() << "got '" << *retval->getType() << "' expected '" << *paramtype << "'\n"; | |
| 1181 assert(0 && "parameter type that was actually passed is invalid"); | |
| 1182 } | |
| 1183 return retval; | |
| 1184 } | |
| 34 | 1185 |
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1186 ////////////////////////////////////////////////////////////////////////////////////////// |
| 34 | 1187 |
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1188 llvm::Value* LLVM_DtoNestedVariable(VarDeclaration* vd) |
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1189 { |
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1190 FuncDeclaration* fd = vd->toParent()->isFuncDeclaration(); |
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1191 assert(fd != NULL); |
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1192 |
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1193 IRFunction* fcur = &gIR->func(); |
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1194 FuncDeclaration* f = fcur->decl; |
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1195 |
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1196 // on this stack |
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1197 if (fd == f) { |
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1198 return LLVM_DtoGEPi(vd->llvmValue,0,unsigned(vd->llvmNestedIndex),"tmp"); |
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1199 } |
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1200 |
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1201 // on a caller stack |
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1202 llvm::Value* ptr = f->llvmThisVar; |
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1203 assert(ptr); |
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1204 |
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1205 f = f->toParent()->isFuncDeclaration(); |
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1206 assert(f); |
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1207 assert(f->llvmNested); |
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1208 const llvm::Type* nesttype = f->llvmNested->getType(); |
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1209 assert(nesttype); |
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1210 |
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1211 ptr = gIR->ir->CreateBitCast(ptr, nesttype, "tmp"); |
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1212 |
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1213 Logger::cout() << "nested var reference:" << '\n' << *ptr << *nesttype << '\n'; |
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1214 |
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1215 while (f) { |
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1216 if (fd == f) { |
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1217 return LLVM_DtoGEPi(ptr,0,vd->llvmNestedIndex,"tmp"); |
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1218 } |
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1219 else { |
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1220 ptr = LLVM_DtoGEPi(ptr,0,0,"tmp"); |
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1221 ptr = gIR->ir->CreateLoad(ptr,"tmp"); |
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1222 } |
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1223 f = f->toParent()->isFuncDeclaration(); |
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1224 } |
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1225 |
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1226 assert(0 && "nested var not found"); |
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1227 return NULL; |
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1228 } |
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1229 |
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1230 ////////////////////////////////////////////////////////////////////////////////////////// |
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1231 |
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1232 void LLVM_DtoAssign(Type* t, llvm::Value* lhs, llvm::Value* rhs) |
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1233 { |
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1234 Logger::cout() << "assignment:" << '\n' << *lhs << *rhs << '\n'; |
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1235 |
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1236 if (t->ty == Tstruct) { |
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1237 assert(lhs->getType() == rhs->getType()); |
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1238 LLVM_DtoStructCopy(lhs,rhs); |
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1239 } |
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1240 else if (t->ty == Tarray) { |
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1241 assert(lhs->getType() == rhs->getType()); |
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1242 LLVM_DtoArrayAssign(lhs,rhs); |
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1243 } |
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1244 else if (t->ty == Tsarray) { |
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1245 assert(lhs->getType() == rhs->getType()); |
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1246 LLVM_DtoStaticArrayCopy(lhs,rhs); |
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1247 } |
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1248 else if (t->ty == Tdelegate) { |
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1249 assert(lhs->getType() == rhs->getType()); |
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1250 LLVM_DtoDelegateCopy(lhs,rhs); |
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1251 } |
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1252 else { |
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1253 assert(lhs->getType()->getContainedType(0) == rhs->getType()); |
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1254 gIR->ir->CreateStore(rhs, lhs); |
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1255 } |
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1256 } |
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1257 |
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1258 ////////////////////////////////////////////////////////////////////////////////////////// |
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1259 |
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1260 llvm::ConstantInt* LLVM_DtoConstSize_t(size_t i) |
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1261 { |
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1262 return llvm::ConstantInt::get(LLVM_DtoSize_t(), i, false); |
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1263 } |
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1264 llvm::ConstantInt* LLVM_DtoConstUint(unsigned i) |
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1265 { |
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1266 return llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false); |
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1267 } |
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1268 |
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1269 ////////////////////////////////////////////////////////////////////////////////////////// |
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1270 |
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1271 llvm::Constant* LLVM_DtoConstString(const char* str) |
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1272 { |
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1273 std::string s(str); |
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1274 llvm::Constant* init = llvm::ConstantArray::get(s, true); |
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1275 llvm::GlobalVariable* gvar = new llvm::GlobalVariable( |
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1276 init->getType(), true,llvm::GlobalValue::InternalLinkage, init, "stringliteral", gIR->module); |
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1277 llvm::Constant* idxs[2] = { LLVM_DtoConstUint(0), LLVM_DtoConstUint(0) }; |
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1278 return LLVM_DtoConstantSlice( |
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1279 LLVM_DtoConstSize_t(s.length()), |
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1280 llvm::ConstantExpr::getGetElementPtr(gvar,idxs,2) |
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1281 ); |
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1282 } |