Mercurial > projects > ldc
annotate gen/tollvm.c @ 31:2841234d2aea trunk
[svn r35] * Attributes on struct fields/methods now work
* Updated object.d to 1.021
* Added -novalidate command line option. this is sometimes useful when debugging as it may let you read the .ll even if it's invalid.
| author | lindquist |
|---|---|
| date | Thu, 04 Oct 2007 16:44:07 +0200 |
| parents | 253a5fc4033a |
| children | 4648206ca213 |
| rev | line source |
|---|---|
| 1 | 1 #include <iostream> |
| 2 | |
| 3 #include "llvm/Constants.h" | |
| 4 #include "llvm/Type.h" | |
| 5 #include "llvm/DerivedTypes.h" | |
| 6 #include "llvm/GlobalValue.h" | |
| 7 #include "llvm/Instructions.h" | |
| 8 #include "llvm/CallingConv.h" | |
| 9 | |
| 10 #include "mtype.h" | |
| 11 #include "dsymbol.h" | |
| 12 #include "aggregate.h" | |
| 13 #include "declaration.h" | |
| 14 #include "init.h" | |
| 15 | |
|
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16 #include "gen/tollvm.h" |
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17 #include "gen/irstate.h" |
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18 #include "gen/logger.h" |
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19 #include "gen/runtime.h" |
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20 #include "gen/elem.h" |
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21 #include "gen/arrays.h" |
| 1 | 22 |
| 23 const llvm::Type* LLVM_DtoType(Type* t) | |
| 24 { | |
| 25 assert(t); | |
| 26 switch (t->ty) | |
| 27 { | |
| 28 // integers | |
| 29 case Tint8: | |
| 30 case Tuns8: | |
| 31 case Tchar: | |
| 32 return (const llvm::Type*)llvm::Type::Int8Ty; | |
| 33 case Tint16: | |
| 34 case Tuns16: | |
| 35 case Twchar: | |
| 36 return (const llvm::Type*)llvm::Type::Int16Ty; | |
| 37 case Tint32: | |
| 38 case Tuns32: | |
| 39 case Tdchar: | |
| 40 return (const llvm::Type*)llvm::Type::Int32Ty; | |
| 41 case Tint64: | |
| 42 case Tuns64: | |
| 43 return (const llvm::Type*)llvm::Type::Int64Ty; | |
| 44 | |
| 45 case Tbool: | |
| 46 return (const llvm::Type*)llvm::ConstantInt::getTrue()->getType(); | |
| 47 | |
| 48 // floats | |
| 49 case Tfloat32: | |
| 50 return llvm::Type::FloatTy; | |
| 51 case Tfloat64: | |
| 52 case Tfloat80: | |
| 53 return llvm::Type::DoubleTy; | |
| 54 | |
| 55 // pointers | |
| 56 case Tpointer: { | |
| 57 assert(t->next); | |
| 58 if (t->next->ty == Tvoid) | |
| 59 return (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 60 else | |
| 61 return (const llvm::Type*)llvm::PointerType::get(LLVM_DtoType(t->next)); | |
| 62 } | |
| 63 | |
| 64 // arrays | |
| 65 case Tarray: | |
| 66 return LLVM_DtoArrayType(t); | |
| 67 case Tsarray: | |
| 68 return LLVM_DtoStaticArrayType(t); | |
| 69 | |
| 70 // void | |
| 71 case Tvoid: | |
| 72 return llvm::Type::VoidTy; | |
| 73 | |
| 74 // aggregates | |
| 75 case Tstruct: { | |
| 76 if (t->llvmType == 0) | |
| 77 { | |
| 78 // recursive or cyclic declaration | |
| 79 if (!gIR->structs.empty()) | |
| 80 { | |
| 81 IRStruct* found = 0; | |
| 82 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 83 { | |
| 84 if (t == i->type) | |
| 85 { | |
| 86 return i->recty.get(); | |
| 87 } | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 // forward declaration | |
| 92 TypeStruct* ts = (TypeStruct*)t; | |
| 93 assert(ts->sym); | |
| 94 ts->sym->toObjFile(); | |
| 95 } | |
| 96 return t->llvmType; | |
| 97 } | |
| 98 | |
| 99 case Tclass: { | |
| 100 if (t->llvmType == 0) | |
| 101 { | |
| 6 | 102 // recursive or cyclic declaration |
| 103 if (!gIR->structs.empty()) | |
| 104 { | |
| 105 IRStruct* found = 0; | |
| 106 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 107 { | |
| 108 if (t == i->type) | |
| 109 { | |
| 110 return llvm::PointerType::get(i->recty.get()); | |
| 111 } | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 // forward declaration | |
| 1 | 116 TypeClass* tc = (TypeClass*)t; |
| 117 assert(tc->sym); | |
| 6 | 118 tc->sym->toObjFile(); |
| 1 | 119 } |
| 120 return llvm::PointerType::get(t->llvmType); | |
| 121 } | |
| 122 | |
| 123 // functions | |
| 124 case Tfunction: | |
| 125 { | |
| 126 if (t->llvmType == 0) { | |
| 127 return LLVM_DtoFunctionType(t); | |
| 128 } | |
| 129 else { | |
| 130 return t->llvmType; | |
| 131 } | |
| 132 } | |
| 6 | 133 |
| 1 | 134 // delegates |
| 135 case Tdelegate: | |
| 136 { | |
| 137 if (t->llvmType == 0) { | |
| 138 return LLVM_DtoDelegateType(t); | |
| 139 } | |
| 140 else { | |
| 141 return t->llvmType; | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 // typedefs | |
| 146 case Ttypedef: | |
| 147 { | |
| 148 Type* bt = t->toBasetype(); | |
| 149 assert(bt); | |
| 150 return LLVM_DtoType(bt); | |
| 151 } | |
| 152 | |
| 153 default: | |
| 154 printf("trying to convert unknown type with value %d\n", t->ty); | |
| 155 assert(0); | |
| 156 } | |
| 157 return 0; | |
| 158 } | |
| 159 | |
| 160 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 161 | |
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162 const llvm::FunctionType* LLVM_DtoFunctionType(Type* t, const llvm::Type* thisparam) |
| 1 | 163 { |
| 164 TypeFunction* f = (TypeFunction*)t; | |
| 165 | |
| 166 // parameter types | |
| 167 const llvm::Type* rettype; | |
| 168 std::vector<const llvm::Type*> paramvec; | |
| 169 | |
| 170 TY retty = f->next->ty; | |
| 171 | |
| 172 if (retty == Tstruct || retty == Tdelegate || retty == Tarray) { | |
| 173 rettype = llvm::PointerType::get(LLVM_DtoType(f->next)); | |
| 174 paramvec.push_back(rettype); | |
| 175 rettype = llvm::Type::VoidTy; | |
| 176 } | |
| 177 else { | |
| 178 Type* rt = f->next; | |
| 179 if (rt) | |
| 180 rettype = LLVM_DtoType(rt); | |
| 181 else | |
| 182 assert(0); | |
| 183 } | |
| 184 | |
| 185 if (thisparam) { | |
| 186 paramvec.push_back(thisparam); | |
| 187 } | |
| 188 | |
| 189 size_t n = Argument::dim(f->parameters); | |
| 190 for (int i=0; i < n; ++i) { | |
| 191 Argument* arg = Argument::getNth(f->parameters, i); | |
| 192 // ensure scalar | |
| 193 Type* argT = arg->type; | |
| 194 assert(argT); | |
| 195 paramvec.push_back(LLVM_DtoType(argT)); | |
| 196 } | |
| 197 | |
| 198 Logger::cout() << "Return type: " << *rettype << '\n'; | |
| 199 | |
| 200 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, f->varargs); | |
| 201 return functype; | |
| 202 } | |
| 203 | |
| 204 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 205 | |
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11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
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206 const llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl) |
| 1 | 207 { |
| 208 TypeFunction* f = (TypeFunction*)fdecl->type; | |
| 209 assert(f != 0); | |
| 210 | |
| 9 | 211 // type has already been resolved |
| 1 | 212 if (f->llvmType != 0) { |
| 213 return llvm::cast<llvm::FunctionType>(f->llvmType); | |
| 214 } | |
| 215 | |
| 216 // return value type | |
| 217 const llvm::Type* rettype; | |
| 218 const llvm::Type* actualRettype; | |
| 219 Type* rt = f->next; | |
| 220 bool retinptr = false; | |
| 221 bool usesthis = false; | |
| 222 | |
| 223 if (fdecl->isMain()) { | |
| 224 rettype = llvm::Type::Int32Ty; | |
| 225 actualRettype = rettype; | |
| 226 } | |
| 227 else if (rt) { | |
| 228 if (rt->ty == Tstruct || rt->ty == Tdelegate || rt->ty == Tarray) { | |
| 229 rettype = llvm::PointerType::get(LLVM_DtoType(rt)); | |
| 230 actualRettype = llvm::Type::VoidTy; | |
| 231 f->llvmRetInPtr = retinptr = true; | |
| 232 } | |
| 233 else { | |
| 234 rettype = LLVM_DtoType(rt); | |
| 235 actualRettype = rettype; | |
| 236 } | |
| 237 } | |
| 238 else { | |
| 239 assert(0); | |
| 240 } | |
| 241 | |
| 242 // parameter types | |
| 243 std::vector<const llvm::Type*> paramvec; | |
| 244 | |
| 245 if (retinptr) { | |
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246 Logger::cout() << "returning through pointer parameter: " << *rettype << '\n'; |
| 1 | 247 paramvec.push_back(rettype); |
| 248 } | |
| 249 | |
| 9 | 250 if (fdecl->needThis()) { |
| 251 if (AggregateDeclaration* ad = fdecl->isMember()) { | |
| 252 Logger::print("isMember = this is: %s\n", ad->type->toChars()); | |
| 253 const llvm::Type* thisty = LLVM_DtoType(ad->type); | |
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254 Logger::cout() << "this llvm type: " << *thisty << '\n'; |
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255 if (llvm::isa<llvm::StructType>(thisty) || thisty == gIR->topstruct().recty.get()) |
| 9 | 256 thisty = llvm::PointerType::get(thisty); |
| 257 paramvec.push_back(thisty); | |
| 258 usesthis = true; | |
| 259 } | |
| 260 else | |
| 261 assert(0); | |
| 1 | 262 } |
| 263 | |
| 264 size_t n = Argument::dim(f->parameters); | |
| 265 for (int i=0; i < n; ++i) { | |
| 266 Argument* arg = Argument::getNth(f->parameters, i); | |
| 267 // ensure scalar | |
| 268 Type* argT = arg->type; | |
| 269 assert(argT); | |
| 270 | |
| 271 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { | |
| 272 //assert(arg->vardecl); | |
| 273 //arg->vardecl->refparam = true; | |
| 274 } | |
| 275 else | |
| 276 arg->llvmCopy = true; | |
| 277 | |
| 278 const llvm::Type* at = LLVM_DtoType(argT); | |
| 279 if (llvm::isa<llvm::StructType>(at)) { | |
| 280 Logger::println("struct param"); | |
| 281 paramvec.push_back(llvm::PointerType::get(at)); | |
| 282 } | |
| 283 else if (llvm::isa<llvm::ArrayType>(at)) { | |
| 284 Logger::println("sarray param"); | |
| 285 assert(argT->ty == Tsarray); | |
| 286 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); | |
| 287 paramvec.push_back(llvm::PointerType::get(at)); | |
| 288 } | |
| 289 else { | |
| 290 if (!arg->llvmCopy) { | |
| 291 Logger::println("ref param"); | |
| 292 at = llvm::PointerType::get(at); | |
| 293 } | |
| 294 else { | |
| 295 Logger::println("in param"); | |
| 296 } | |
| 297 paramvec.push_back(at); | |
| 298 } | |
| 299 } | |
| 300 | |
| 301 // construct function type | |
| 302 bool isvararg = f->varargs; | |
| 303 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); | |
| 304 | |
| 305 f->llvmType = functype; | |
| 9 | 306 f->llvmRetInPtr = retinptr; |
| 307 f->llvmUsesThis = usesthis; | |
| 1 | 308 return functype; |
| 309 } | |
| 310 | |
| 311 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 312 | |
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lindquist
parents:
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diff
changeset
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313 const llvm::StructType* LLVM_DtoDelegateType(Type* t) |
| 1 | 314 { |
| 315 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 316 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
| 317 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
| 318 | |
| 319 std::vector<const llvm::Type*> types; | |
| 320 types.push_back(i8ptr); | |
| 321 types.push_back(funcptr); | |
| 322 return llvm::StructType::get(types); | |
| 323 } | |
| 324 | |
| 325 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 326 | |
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diff
changeset
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327 const llvm::Type* LLVM_DtoStructType(Type* t) |
| 1 | 328 { |
| 329 assert(0); | |
| 330 std::vector<const llvm::Type*> types; | |
| 331 return llvm::StructType::get(types); | |
| 332 } | |
| 333 | |
| 334 | |
| 335 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 336 | |
| 337 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
| 338 { | |
| 339 assert(bits == 32 || bits == 64); | |
| 340 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 341 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 342 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 343 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 344 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 345 | |
| 346 assert(gIR); | |
| 347 assert(gIR->module); | |
| 348 | |
| 349 // parameter types | |
| 350 std::vector<const llvm::Type*> pvec; | |
| 351 pvec.push_back(int8ptrty); | |
| 352 pvec.push_back(set?int8ty:int8ptrty); | |
| 353 pvec.push_back(bits==32?int32ty:int64ty); | |
| 354 pvec.push_back(int32ty); | |
| 355 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 356 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 357 } | |
| 358 | |
| 359 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 360 | |
| 361 // llvm.memset.i32 | |
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362 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 363 { |
| 364 static llvm::Function* _func = 0; | |
| 365 if (_func == 0) { | |
| 366 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 367 } | |
| 368 return _func; | |
| 369 } | |
| 370 | |
| 371 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 372 | |
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373 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 374 { |
| 375 static llvm::Function* _func = 0; | |
| 376 if (_func == 0) { | |
| 377 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 378 } | |
| 379 return _func; | |
| 380 } | |
| 381 | |
| 382 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 383 | |
| 384 // llvm.memcpy.i32 | |
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385 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 386 { |
| 387 static llvm::Function* _func = 0; | |
| 388 if (_func == 0) { | |
| 389 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 390 } | |
| 391 return _func; | |
| 392 } | |
| 393 | |
| 394 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 395 | |
| 396 // llvm.memcpy.i64 | |
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397 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 398 { |
| 399 static llvm::Function* _func = 0; | |
| 400 if (_func == 0) { | |
| 401 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 402 } | |
| 403 return _func; | |
| 404 } | |
| 405 | |
| 406 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 407 | |
| 408 llvm::Value* LLVM_DtoStructZeroInit(TypeStruct* t, llvm::Value* v) | |
| 409 { | |
| 410 assert(gIR); | |
| 411 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 412 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 413 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 414 | |
| 415 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
| 416 | |
| 417 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 418 std::vector<llvm::Value*> llargs; | |
| 419 llargs.resize(4); | |
| 420 llargs[0] = sarr; | |
| 421 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 422 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 423 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 424 | |
| 425 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 426 | |
| 427 return ret; | |
| 428 } | |
| 429 | |
| 430 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 431 | |
| 432 llvm::Value* LLVM_DtoStructCopy(TypeStruct* t, llvm::Value* dst, llvm::Value* src) | |
| 433 { | |
| 434 assert(dst->getType() == src->getType()); | |
| 435 assert(gIR); | |
| 436 | |
| 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* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 440 | |
| 441 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 442 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 443 | |
| 444 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 445 std::vector<llvm::Value*> llargs; | |
| 446 llargs.resize(4); | |
| 447 llargs[0] = dstarr; | |
| 448 llargs[1] = srcarr; | |
| 449 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 450 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 451 | |
| 452 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 453 } | |
| 454 | |
| 455 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 456 llvm::Constant* LLVM_DtoStructInitializer(StructInitializer* si) | |
| 457 { | |
| 458 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
| 459 size_t n = structtype->getNumElements(); | |
| 460 | |
| 461 assert(si->value.dim == si->vars.dim); | |
| 462 | |
| 463 std::vector<llvm::Constant*> inits; | |
| 464 inits.resize(n, NULL); | |
| 465 for (int i = 0; i < si->value.dim; ++i) | |
| 466 { | |
| 467 Initializer* ini = (Initializer*)si->value.data[i]; | |
| 468 assert(ini); | |
| 469 | |
| 470 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
| 471 assert(vd); | |
| 472 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
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473 |
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474 std::vector<unsigned> idxs; |
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[svn r28] * Fixed accessing aggregate fields. it was still not quite right. hopefully is now :)
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475 si->ad->offsetToIndex(vd->type, vd->offset, idxs); |
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476 assert(idxs.size() == 1); |
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477 unsigned idx = idxs[0]; |
| 1 | 478 |
| 479 llvm::Constant* v = 0; | |
| 480 | |
| 481 if (ExpInitializer* ex = ini->isExpInitializer()) | |
| 482 { | |
| 483 elem* e = ex->exp->toElem(gIR); | |
| 484 v = llvm::cast<llvm::Constant>(e->val); | |
| 485 delete e; | |
| 486 } | |
| 487 else if (StructInitializer* si = ini->isStructInitializer()) | |
| 488 { | |
| 489 v = LLVM_DtoStructInitializer(si); | |
| 490 } | |
| 491 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
| 492 { | |
| 493 v = LLVM_DtoArrayInitializer(ai); | |
| 494 } | |
| 495 else if (ini->isVoidInitializer()) | |
| 496 { | |
| 497 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
| 498 } | |
| 499 else | |
| 500 assert(v); | |
| 501 | |
| 502 inits[idx] = v; | |
| 503 } | |
| 504 | |
| 505 // fill out nulls | |
| 506 assert(si->ad->llvmInitZ); | |
| 507 if (si->ad->llvmInitZ->isNullValue()) | |
| 508 { | |
| 509 for (int i = 0; i < n; ++i) | |
| 510 { | |
| 511 if (inits[i] == 0) | |
| 512 { | |
| 513 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
| 514 } | |
| 515 } | |
| 516 } | |
| 517 else | |
| 518 { | |
| 519 for (int i = 0; i < n; ++i) | |
| 520 { | |
| 521 if (inits[i] == 0) | |
| 522 { | |
| 523 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
| 524 } | |
| 525 } | |
| 526 } | |
| 527 | |
| 528 return llvm::ConstantStruct::get(structtype, inits); | |
| 529 } | |
| 530 | |
| 531 | |
| 532 | |
| 533 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 534 | |
| 535 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
| 536 { | |
| 537 assert(gIR); | |
| 538 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 539 | |
| 540 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 541 | |
| 542 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 543 | |
| 544 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 545 std::vector<llvm::Value*> llargs; | |
| 546 llargs.resize(4); | |
| 547 llargs[0] = arr; | |
| 548 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 549 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 550 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 551 | |
| 552 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 553 | |
| 554 return ret; | |
| 555 } | |
| 556 | |
| 557 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 558 | |
| 559 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
| 560 { | |
| 561 assert(dst->getType() == src->getType()); | |
| 562 assert(gIR); | |
| 563 | |
| 564 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 565 | |
| 566 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 567 | |
| 568 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 569 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 570 | |
| 571 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 572 std::vector<llvm::Value*> llargs; | |
| 573 llargs.resize(4); | |
| 574 llargs[0] = dstarr; | |
| 575 llargs[1] = srcarr; | |
| 576 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 577 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 578 | |
| 579 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 580 } | |
| 581 | |
| 582 | |
| 583 | |
| 584 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 585 | |
| 586 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
| 587 { | |
| 588 switch(prot) | |
| 589 { | |
| 590 case PROTprivate: | |
| 591 return llvm::GlobalValue::InternalLinkage; | |
| 592 | |
| 593 case PROTpublic: | |
| 594 case PROTpackage: | |
| 595 case PROTprotected: | |
| 596 case PROTexport: | |
| 597 return llvm::GlobalValue::ExternalLinkage; | |
| 598 | |
| 599 case PROTundefined: | |
| 600 case PROTnone: | |
| 601 assert(0 && "Unsupported linkage type"); | |
| 602 } | |
| 603 return llvm::GlobalValue::ExternalLinkage; | |
| 604 | |
| 605 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 606 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 607 GhostLinkage */ | |
| 608 } | |
| 609 | |
| 610 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 611 | |
| 612 unsigned LLVM_DtoCallingConv(LINK l) | |
| 613 { | |
| 614 if (l == LINKc) | |
| 615 return llvm::CallingConv::C; | |
| 616 else if (l == LINKd || l == LINKdefault) | |
| 617 return llvm::CallingConv::Fast; | |
| 618 else if (l == LINKwindows) | |
| 619 return llvm::CallingConv::X86_StdCall; | |
| 620 else | |
| 621 assert(0 && "Unsupported calling convention"); | |
| 622 } | |
| 623 | |
| 624 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 625 | |
| 626 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
| 627 { | |
| 628 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 629 const llvm::Type* valTy = val->getType(); | |
| 630 // ptr points to val's type | |
| 631 if (ptrTy == valTy) | |
| 632 { | |
| 633 return val; | |
| 634 } | |
| 635 // ptr is integer pointer | |
| 636 else if (ptrTy->isInteger()) | |
| 637 { | |
| 638 // val is integer | |
| 639 assert(valTy->isInteger()); | |
| 640 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 641 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 642 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 643 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 644 } | |
| 645 else | |
| 646 assert(0); | |
| 647 } | |
| 648 // something else unsupported | |
| 649 else | |
| 650 { | |
| 651 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 652 assert(0); | |
| 653 } | |
| 654 return 0; | |
| 655 } | |
| 656 | |
| 657 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 658 | |
| 659 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
| 660 { | |
| 661 const llvm::Type* t = val->getType(); | |
| 662 if (t->isInteger()) | |
| 663 { | |
| 664 if (t == llvm::Type::Int1Ty) | |
| 665 return val; | |
| 666 else { | |
| 667 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 668 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 669 } | |
| 670 } | |
| 671 else if (llvm::isa<llvm::PointerType>(t)) { | |
| 672 const llvm::Type* st = LLVM_DtoSize_t(); | |
| 673 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
| 674 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 675 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 676 } | |
| 677 else | |
| 678 { | |
| 679 Logger::cout() << *t << '\n'; | |
| 680 } | |
| 681 assert(0); | |
| 682 return 0; | |
| 683 } | |
| 684 | |
| 685 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 686 | |
| 687 const llvm::Type* LLVM_DtoSize_t() | |
| 688 { | |
| 689 if (global.params.is64bit) | |
| 690 return llvm::Type::Int64Ty; | |
| 691 else | |
| 692 return llvm::Type::Int32Ty; | |
| 693 } | |
| 694 | |
| 695 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 696 | |
| 697 void LLVM_DtoMain() | |
| 698 { | |
| 699 // emit main function llvm style | |
| 700 // int main(int argc, char**argv, char**env); | |
| 701 | |
| 702 assert(gIR != 0); | |
| 703 IRState& ir = *gIR; | |
| 704 | |
| 705 assert(ir.emitMain && ir.mainFunc); | |
| 706 | |
| 707 // parameter types | |
| 708 std::vector<const llvm::Type*> pvec; | |
| 709 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 710 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 711 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 712 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 713 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 714 | |
| 715 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 716 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 717 | |
| 718 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 719 | |
| 720 // call static ctors | |
| 721 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 722 new llvm::CallInst(fn,"",bb); | |
| 723 | |
| 724 // call user main function | |
| 725 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 726 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
| 727 | |
| 728 // call static dtors | |
| 729 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 730 new llvm::CallInst(fn,"",bb); | |
| 731 | |
| 732 // return | |
| 733 new llvm::ReturnInst(call,bb); | |
| 734 | |
| 735 /* | |
| 736 // return value type | |
| 737 const llvm::Type* rettype; | |
| 738 Type* rt = f->next; | |
| 739 if (rt) { | |
| 740 rettype = LLVM_DtoType(rt); | |
| 741 } | |
| 742 else { | |
| 743 assert(0); | |
| 744 } | |
| 745 | |
| 746 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, false); | |
| 747 */ | |
| 748 } | |
| 749 | |
| 750 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 751 | |
| 752 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
| 753 { | |
| 754 Array* arr = &tc->sym->dtors; | |
| 755 for (size_t i=0; i<arr->dim; i++) | |
| 756 { | |
| 757 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 758 assert(fd->llvmValue); | |
| 759 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 760 } | |
| 761 } | |
| 762 | |
| 763 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 764 | |
| 765 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
| 766 { | |
| 767 assert(gIR); | |
| 768 | |
| 769 assert(tc->llvmType); | |
|
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770 uint64_t size_t_size = gTargetData->getTypeSize(LLVM_DtoSize_t()); |
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771 uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size; |
| 1 | 772 |
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773 // set vtable field |
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774 llvm::Value* vtblvar = LLVM_DtoGEPi(dst,0,0,"tmp",gIR->scopebb()); |
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775 assert(tc->sym->llvmVtbl); |
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776 new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb()); |
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777 |
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778 // copy the static initializer |
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779 if (n > 0) { |
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780 assert(tc->llvmInit); |
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781 assert(dst->getType() == tc->llvmInit->getType()); |
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782 |
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783 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
| 1 | 784 |
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785 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
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786 dstarr = LLVM_DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb()); |
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787 |
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788 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); |
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789 srcarr = LLVM_DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb()); |
| 1 | 790 |
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791 llvm::Function* fn = LLVM_DeclareMemCpy32(); |
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792 std::vector<llvm::Value*> llargs; |
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793 llargs.resize(4); |
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794 llargs[0] = dstarr; |
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795 llargs[1] = srcarr; |
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796 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); |
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797 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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798 |
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799 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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800 } |
| 1 | 801 } |
| 802 | |
| 803 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 804 | |
| 805 llvm::Constant* LLVM_DtoInitializer(Type* type, Initializer* init) | |
| 806 { | |
|
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807 llvm::Constant* _init = 0; // may return zero |
| 1 | 808 if (!init) |
| 809 { | |
|
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810 Logger::println("default initializer"); |
| 1 | 811 elem* e = type->defaultInit()->toElem(gIR); |
| 812 if (!e->inplace && !e->isNull()) { | |
| 813 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 814 } | |
| 815 delete e; | |
| 816 } | |
| 817 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 818 { | |
|
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819 Logger::println("expression initializer"); |
| 1 | 820 elem* e = ex->exp->toElem(gIR); |
| 821 if (!e->inplace && !e->isNull()) { | |
| 822 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 823 } | |
| 824 delete e; | |
| 825 } | |
| 826 else if (StructInitializer* si = init->isStructInitializer()) | |
| 827 { | |
|
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828 Logger::println("struct initializer"); |
| 1 | 829 _init = LLVM_DtoStructInitializer(si); |
| 830 } | |
| 831 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 832 { | |
|
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833 Logger::println("array initializer"); |
| 1 | 834 _init = LLVM_DtoArrayInitializer(ai); |
| 835 } | |
| 836 else if (init->isVoidInitializer()) | |
| 837 { | |
|
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838 Logger::println("void initializer"); |
| 1 | 839 const llvm::Type* ty = LLVM_DtoType(type); |
| 840 _init = llvm::Constant::getNullValue(ty); | |
| 841 } | |
| 842 else { | |
| 843 Logger::println("unsupported initializer: %s", init->toChars()); | |
| 844 } | |
| 845 return _init; | |
| 846 } | |
| 6 | 847 |
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848 ////////////////////////////////////////////////////////////////////////////////////////// |
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849 |
| 6 | 850 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) |
| 851 { | |
| 852 std::vector<llvm::Value*> v(2); | |
| 853 v[0] = i0; | |
| 854 v[1] = i1; | |
|
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855 Logger::cout() << "DtoGEP: " << *ptr << '\n'; |
| 6 | 856 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb); |
| 857 } | |
|
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858 |
|
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859 ////////////////////////////////////////////////////////////////////////////////////////// |
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860 |
|
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861 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
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862 { |
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863 size_t n = src.size(); |
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864 std::vector<llvm::Value*> dst(n); |
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865 Logger::cout() << "indices:"; |
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866 for (size_t i=0; i<n; ++i) |
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867 { |
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868 Logger::cout() << ' ' << i; |
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869 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
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870 } |
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871 Logger::cout() << '\n'; |
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872 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb); |
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873 } |
| 9 | 874 |
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875 ////////////////////////////////////////////////////////////////////////////////////////// |
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876 |
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877 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb) |
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878 { |
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879 return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb); |
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880 } |
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881 |
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882 ////////////////////////////////////////////////////////////////////////////////////////// |
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883 |
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884 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb) |
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885 { |
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886 std::vector<llvm::Value*> v(2); |
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887 v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false); |
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888 v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false); |
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889 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb); |
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890 } |
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891 |
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892 ////////////////////////////////////////////////////////////////////////////////////////// |
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893 |
| 9 | 894 llvm::Function* LLVM_DtoDeclareFunction(FuncDeclaration* fdecl) |
| 895 { | |
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896 // mangled name |
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897 char* mangled_name = (fdecl->llvmInternal == LLVMintrinsic) ? fdecl->llvmInternal1 : fdecl->mangle(); |
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898 |
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899 // unit test special handling |
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900 if (fdecl->isUnitTestDeclaration()) |
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901 { |
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902 assert(0 && "no unittests yet"); |
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903 /*const llvm::FunctionType* fnty = llvm::FunctionType::get(llvm::Type::VoidTy, std::vector<const llvm::Type*>(), false); |
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904 // make the function |
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905 llvm::Function* func = gIR->module->getFunction(mangled_name); |
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906 if (func == 0) |
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907 func = new llvm::Function(fnty,llvm::GlobalValue::InternalLinkage,mangled_name,gIR->module); |
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908 func->setCallingConv(llvm::CallingConv::Fast); |
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909 fdecl->llvmValue = func; |
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910 return func; |
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911 */ |
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912 } |
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913 |
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914 // regular function |
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915 TypeFunction* f = (TypeFunction*)fdecl->type; |
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916 assert(f != 0); |
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917 |
| 9 | 918 if (fdecl->llvmValue != 0) { |
| 18 | 919 if (!llvm::isa<llvm::Function>(fdecl->llvmValue)) |
| 920 { | |
| 921 Logger::cout() << *fdecl->llvmValue << '\n'; | |
| 922 assert(0); | |
| 923 } | |
| 9 | 924 return llvm::cast<llvm::Function>(fdecl->llvmValue); |
| 925 } | |
| 926 | |
| 18 | 927 Logger::print("FuncDeclaration::toObjFile(%s): %s\n", fdecl->needThis()?"this":"static",fdecl->toChars()); |
| 9 | 928 LOG_SCOPE; |
| 929 | |
| 930 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { | |
| 931 error("intrinsics cannot have function bodies"); | |
| 932 fatal(); | |
| 933 } | |
| 934 | |
| 935 // construct function | |
|
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936 const llvm::FunctionType* functype = (f->llvmType == 0) ? LLVM_DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType); |
| 9 | 937 |
| 938 // make the function | |
| 939 llvm::Function* func = gIR->module->getFunction(mangled_name); | |
| 940 if (func == 0) { | |
| 941 func = new llvm::Function(functype,LLVM_DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module); | |
| 942 } | |
| 943 | |
| 944 if (fdecl->llvmInternal != LLVMintrinsic) | |
| 945 func->setCallingConv(LLVM_DtoCallingConv(f->linkage)); | |
| 946 | |
| 947 fdecl->llvmValue = func; | |
| 948 f->llvmType = functype; | |
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949 assert(llvm::isa<llvm::FunctionType>(f->llvmType)); |
| 9 | 950 |
| 951 if (fdecl->isMain()) { | |
| 952 gIR->mainFunc = func; | |
| 953 } | |
| 954 | |
| 955 // name parameters | |
| 956 llvm::Function::arg_iterator iarg = func->arg_begin(); | |
| 957 int k = 0; | |
| 958 if (f->llvmRetInPtr) { | |
| 959 iarg->setName("retval"); | |
| 960 f->llvmRetArg = iarg; | |
| 961 ++iarg; | |
| 962 } | |
| 963 if (f->llvmUsesThis) { | |
| 964 iarg->setName("this"); | |
| 965 ++iarg; | |
| 966 } | |
| 967 for (; iarg != func->arg_end(); ++iarg) | |
| 968 { | |
| 969 Argument* arg = Argument::getNth(f->parameters, k++); | |
| 970 assert(arg != 0); | |
| 971 //arg->llvmValue = iarg; | |
| 972 //printf("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident); | |
| 973 if (arg->ident != 0) { | |
| 974 if (arg->vardecl) { | |
| 975 arg->vardecl->llvmValue = iarg; | |
| 976 } | |
| 977 iarg->setName(arg->ident->toChars()); | |
| 978 } | |
| 979 else { | |
| 980 iarg->setName("unnamed"); | |
| 981 } | |
| 982 } | |
| 983 | |
| 984 return func; | |
| 985 } | |
|
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986 |
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987 ////////////////////////////////////////////////////////////////////////////////////////// |
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988 |
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989 void LLVM_DtoGiveArgumentStorage(elem* l) |
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990 { |
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991 assert(l->mem == 0); |
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992 assert(l->val); |
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993 assert(llvm::isa<llvm::Argument>(l->val)); |
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994 assert(l->vardecl != 0); |
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995 |
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996 llvm::AllocaInst* allocainst = new llvm::AllocaInst(l->val->getType(), l->val->getName()+"_storage", gIR->topallocapoint()); |
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997 l->mem = allocainst; |
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998 l->vardecl->llvmValue = l->mem; |
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999 } |