Mercurial > projects > ldc
annotate gen/tollvm.c @ 11:d3ee9efe20e2 trunk
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
* Now 50/51 tests compile.
* Added a simple runalltests.d scripts that should be run with 'gdmd -run runalltests.d' - LLVMDC will not compile it yet.
| author | lindquist |
|---|---|
| date | Tue, 02 Oct 2007 05:10:18 +0200 |
| parents | dafae18f9c08 |
| children | c05ef76f1c20 |
| 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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d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
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diff
changeset
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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
|
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) { | |
| 246 Logger::print("returning through pointer parameter\n"); | |
| 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); | |
| 254 if (llvm::isa<llvm::StructType>(thisty)) | |
| 255 thisty = llvm::PointerType::get(thisty); | |
| 256 paramvec.push_back(thisty); | |
| 257 usesthis = true; | |
| 258 } | |
| 259 else | |
| 260 assert(0); | |
| 1 | 261 } |
| 262 | |
| 263 size_t n = Argument::dim(f->parameters); | |
| 264 for (int i=0; i < n; ++i) { | |
| 265 Argument* arg = Argument::getNth(f->parameters, i); | |
| 266 // ensure scalar | |
| 267 Type* argT = arg->type; | |
| 268 assert(argT); | |
| 269 | |
| 270 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { | |
| 271 //assert(arg->vardecl); | |
| 272 //arg->vardecl->refparam = true; | |
| 273 } | |
| 274 else | |
| 275 arg->llvmCopy = true; | |
| 276 | |
| 277 const llvm::Type* at = LLVM_DtoType(argT); | |
| 278 if (llvm::isa<llvm::StructType>(at)) { | |
| 279 Logger::println("struct param"); | |
| 280 paramvec.push_back(llvm::PointerType::get(at)); | |
| 281 } | |
| 282 else if (llvm::isa<llvm::ArrayType>(at)) { | |
| 283 Logger::println("sarray param"); | |
| 284 assert(argT->ty == Tsarray); | |
| 285 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); | |
| 286 paramvec.push_back(llvm::PointerType::get(at)); | |
| 287 } | |
| 288 else { | |
| 289 if (!arg->llvmCopy) { | |
| 290 Logger::println("ref param"); | |
| 291 at = llvm::PointerType::get(at); | |
| 292 } | |
| 293 else { | |
| 294 Logger::println("in param"); | |
| 295 } | |
| 296 paramvec.push_back(at); | |
| 297 } | |
| 298 } | |
| 299 | |
| 300 // construct function type | |
| 301 bool isvararg = f->varargs; | |
| 302 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); | |
| 303 | |
| 304 f->llvmType = functype; | |
| 9 | 305 f->llvmRetInPtr = retinptr; |
| 306 f->llvmUsesThis = usesthis; | |
| 1 | 307 return functype; |
| 308 } | |
| 309 | |
| 310 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 311 | |
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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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312 const llvm::StructType* LLVM_DtoDelegateType(Type* t) |
| 1 | 313 { |
| 314 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 315 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
| 316 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
| 317 | |
| 318 std::vector<const llvm::Type*> types; | |
| 319 types.push_back(i8ptr); | |
| 320 types.push_back(funcptr); | |
| 321 return llvm::StructType::get(types); | |
| 322 } | |
| 323 | |
| 324 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 325 | |
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d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
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diff
changeset
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326 const llvm::Type* LLVM_DtoStructType(Type* t) |
| 1 | 327 { |
| 328 assert(0); | |
| 329 std::vector<const llvm::Type*> types; | |
| 330 return llvm::StructType::get(types); | |
| 331 } | |
| 332 | |
| 333 | |
| 334 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 335 | |
| 336 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
| 337 { | |
| 338 assert(bits == 32 || bits == 64); | |
| 339 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 340 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 341 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 342 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 343 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 344 | |
| 345 assert(gIR); | |
| 346 assert(gIR->module); | |
| 347 | |
| 348 // parameter types | |
| 349 std::vector<const llvm::Type*> pvec; | |
| 350 pvec.push_back(int8ptrty); | |
| 351 pvec.push_back(set?int8ty:int8ptrty); | |
| 352 pvec.push_back(bits==32?int32ty:int64ty); | |
| 353 pvec.push_back(int32ty); | |
| 354 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 355 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 356 } | |
| 357 | |
| 358 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 359 | |
| 360 // llvm.memset.i32 | |
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361 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 362 { |
| 363 static llvm::Function* _func = 0; | |
| 364 if (_func == 0) { | |
| 365 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 366 } | |
| 367 return _func; | |
| 368 } | |
| 369 | |
| 370 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 371 | |
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372 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 373 { |
| 374 static llvm::Function* _func = 0; | |
| 375 if (_func == 0) { | |
| 376 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 377 } | |
| 378 return _func; | |
| 379 } | |
| 380 | |
| 381 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 382 | |
| 383 // llvm.memcpy.i32 | |
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384 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 385 { |
| 386 static llvm::Function* _func = 0; | |
| 387 if (_func == 0) { | |
| 388 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 389 } | |
| 390 return _func; | |
| 391 } | |
| 392 | |
| 393 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 394 | |
| 395 // llvm.memcpy.i64 | |
|
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396 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 397 { |
| 398 static llvm::Function* _func = 0; | |
| 399 if (_func == 0) { | |
| 400 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 401 } | |
| 402 return _func; | |
| 403 } | |
| 404 | |
| 405 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 406 | |
| 407 llvm::Value* LLVM_DtoStructZeroInit(TypeStruct* t, llvm::Value* v) | |
| 408 { | |
| 409 assert(gIR); | |
| 410 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 411 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 412 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 413 | |
| 414 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
| 415 | |
| 416 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 417 std::vector<llvm::Value*> llargs; | |
| 418 llargs.resize(4); | |
| 419 llargs[0] = sarr; | |
| 420 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 421 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 422 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 423 | |
| 424 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 425 | |
| 426 return ret; | |
| 427 } | |
| 428 | |
| 429 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 430 | |
| 431 llvm::Value* LLVM_DtoStructCopy(TypeStruct* t, llvm::Value* dst, llvm::Value* src) | |
| 432 { | |
| 433 assert(dst->getType() == src->getType()); | |
| 434 assert(gIR); | |
| 435 | |
| 436 uint64_t n = gTargetData->getTypeSize(t->llvmType); | |
| 437 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); | |
| 438 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 439 | |
| 440 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 441 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 442 | |
| 443 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 444 std::vector<llvm::Value*> llargs; | |
| 445 llargs.resize(4); | |
| 446 llargs[0] = dstarr; | |
| 447 llargs[1] = srcarr; | |
| 448 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 449 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 450 | |
| 451 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 452 } | |
| 453 | |
| 454 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 455 llvm::Constant* LLVM_DtoStructInitializer(StructInitializer* si) | |
| 456 { | |
| 457 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
| 458 size_t n = structtype->getNumElements(); | |
| 459 | |
| 460 assert(si->value.dim == si->vars.dim); | |
| 461 | |
| 462 std::vector<llvm::Constant*> inits; | |
| 463 inits.resize(n, NULL); | |
| 464 for (int i = 0; i < si->value.dim; ++i) | |
| 465 { | |
| 466 Initializer* ini = (Initializer*)si->value.data[i]; | |
| 467 assert(ini); | |
| 468 | |
| 469 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
| 470 assert(vd); | |
| 471 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
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472 |
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473 std::vector<unsigned> idxs; |
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474 si->ad->offsetToIndex(vd->offset, idxs); |
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475 assert(idxs.size() == 1); |
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476 unsigned idx = idxs[0]; |
| 1 | 477 |
| 478 llvm::Constant* v = 0; | |
| 479 | |
| 480 if (ExpInitializer* ex = ini->isExpInitializer()) | |
| 481 { | |
| 482 elem* e = ex->exp->toElem(gIR); | |
| 483 v = llvm::cast<llvm::Constant>(e->val); | |
| 484 delete e; | |
| 485 } | |
| 486 else if (StructInitializer* si = ini->isStructInitializer()) | |
| 487 { | |
| 488 v = LLVM_DtoStructInitializer(si); | |
| 489 } | |
| 490 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
| 491 { | |
| 492 v = LLVM_DtoArrayInitializer(ai); | |
| 493 } | |
| 494 else if (ini->isVoidInitializer()) | |
| 495 { | |
| 496 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
| 497 } | |
| 498 else | |
| 499 assert(v); | |
| 500 | |
| 501 inits[idx] = v; | |
| 502 } | |
| 503 | |
| 504 // fill out nulls | |
| 505 assert(si->ad->llvmInitZ); | |
| 506 if (si->ad->llvmInitZ->isNullValue()) | |
| 507 { | |
| 508 for (int i = 0; i < n; ++i) | |
| 509 { | |
| 510 if (inits[i] == 0) | |
| 511 { | |
| 512 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
| 513 } | |
| 514 } | |
| 515 } | |
| 516 else | |
| 517 { | |
| 518 for (int i = 0; i < n; ++i) | |
| 519 { | |
| 520 if (inits[i] == 0) | |
| 521 { | |
| 522 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
| 523 } | |
| 524 } | |
| 525 } | |
| 526 | |
| 527 return llvm::ConstantStruct::get(structtype, inits); | |
| 528 } | |
| 529 | |
| 530 | |
| 531 | |
| 532 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 533 | |
| 534 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
| 535 { | |
| 536 assert(gIR); | |
| 537 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 538 | |
| 539 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 540 | |
| 541 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 542 | |
| 543 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 544 std::vector<llvm::Value*> llargs; | |
| 545 llargs.resize(4); | |
| 546 llargs[0] = arr; | |
| 547 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 548 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 549 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 550 | |
| 551 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 552 | |
| 553 return ret; | |
| 554 } | |
| 555 | |
| 556 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 557 | |
| 558 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
| 559 { | |
| 560 assert(dst->getType() == src->getType()); | |
| 561 assert(gIR); | |
| 562 | |
| 563 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 564 | |
| 565 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 566 | |
| 567 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 568 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 569 | |
| 570 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 571 std::vector<llvm::Value*> llargs; | |
| 572 llargs.resize(4); | |
| 573 llargs[0] = dstarr; | |
| 574 llargs[1] = srcarr; | |
| 575 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 576 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 577 | |
| 578 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 579 } | |
| 580 | |
| 581 | |
| 582 | |
| 583 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 584 | |
| 585 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
| 586 { | |
| 587 switch(prot) | |
| 588 { | |
| 589 case PROTprivate: | |
| 590 return llvm::GlobalValue::InternalLinkage; | |
| 591 | |
| 592 case PROTpublic: | |
| 593 case PROTpackage: | |
| 594 case PROTprotected: | |
| 595 case PROTexport: | |
| 596 return llvm::GlobalValue::ExternalLinkage; | |
| 597 | |
| 598 case PROTundefined: | |
| 599 case PROTnone: | |
| 600 assert(0 && "Unsupported linkage type"); | |
| 601 } | |
| 602 return llvm::GlobalValue::ExternalLinkage; | |
| 603 | |
| 604 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 605 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 606 GhostLinkage */ | |
| 607 } | |
| 608 | |
| 609 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 610 | |
| 611 unsigned LLVM_DtoCallingConv(LINK l) | |
| 612 { | |
| 613 if (l == LINKc) | |
| 614 return llvm::CallingConv::C; | |
| 615 else if (l == LINKd || l == LINKdefault) | |
| 616 return llvm::CallingConv::Fast; | |
| 617 else if (l == LINKwindows) | |
| 618 return llvm::CallingConv::X86_StdCall; | |
| 619 else | |
| 620 assert(0 && "Unsupported calling convention"); | |
| 621 } | |
| 622 | |
| 623 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 624 | |
| 625 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
| 626 { | |
| 627 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 628 const llvm::Type* valTy = val->getType(); | |
| 629 // ptr points to val's type | |
| 630 if (ptrTy == valTy) | |
| 631 { | |
| 632 return val; | |
| 633 } | |
| 634 // ptr is integer pointer | |
| 635 else if (ptrTy->isInteger()) | |
| 636 { | |
| 637 // val is integer | |
| 638 assert(valTy->isInteger()); | |
| 639 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 640 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 641 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 642 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 643 } | |
| 644 else | |
| 645 assert(0); | |
| 646 } | |
| 647 // something else unsupported | |
| 648 else | |
| 649 { | |
| 650 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 651 assert(0); | |
| 652 } | |
| 653 return 0; | |
| 654 } | |
| 655 | |
| 656 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 657 | |
| 658 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
| 659 { | |
| 660 const llvm::Type* t = val->getType(); | |
| 661 if (t->isInteger()) | |
| 662 { | |
| 663 if (t == llvm::Type::Int1Ty) | |
| 664 return val; | |
| 665 else { | |
| 666 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 667 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 668 } | |
| 669 } | |
| 670 else if (llvm::isa<llvm::PointerType>(t)) { | |
| 671 const llvm::Type* st = LLVM_DtoSize_t(); | |
| 672 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
| 673 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 674 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 675 } | |
| 676 else | |
| 677 { | |
| 678 Logger::cout() << *t << '\n'; | |
| 679 } | |
| 680 assert(0); | |
| 681 return 0; | |
| 682 } | |
| 683 | |
| 684 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 685 | |
| 686 const llvm::Type* LLVM_DtoSize_t() | |
| 687 { | |
| 688 if (global.params.is64bit) | |
| 689 return llvm::Type::Int64Ty; | |
| 690 else | |
| 691 return llvm::Type::Int32Ty; | |
| 692 } | |
| 693 | |
| 694 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 695 | |
| 696 void LLVM_DtoMain() | |
| 697 { | |
| 698 // emit main function llvm style | |
| 699 // int main(int argc, char**argv, char**env); | |
| 700 | |
| 701 assert(gIR != 0); | |
| 702 IRState& ir = *gIR; | |
| 703 | |
| 704 assert(ir.emitMain && ir.mainFunc); | |
| 705 | |
| 706 // parameter types | |
| 707 std::vector<const llvm::Type*> pvec; | |
| 708 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 709 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 710 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 711 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 712 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 713 | |
| 714 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 715 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 716 | |
| 717 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 718 | |
| 719 // call static ctors | |
| 720 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 721 new llvm::CallInst(fn,"",bb); | |
| 722 | |
| 723 // call user main function | |
| 724 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 725 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
| 726 | |
| 727 // call static dtors | |
| 728 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 729 new llvm::CallInst(fn,"",bb); | |
| 730 | |
| 731 // return | |
| 732 new llvm::ReturnInst(call,bb); | |
| 733 | |
| 734 /* | |
| 735 // return value type | |
| 736 const llvm::Type* rettype; | |
| 737 Type* rt = f->next; | |
| 738 if (rt) { | |
| 739 rettype = LLVM_DtoType(rt); | |
| 740 } | |
| 741 else { | |
| 742 assert(0); | |
| 743 } | |
| 744 | |
| 745 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, paramvec, false); | |
| 746 */ | |
| 747 } | |
| 748 | |
| 749 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 750 | |
| 751 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
| 752 { | |
| 753 Array* arr = &tc->sym->dtors; | |
| 754 for (size_t i=0; i<arr->dim; i++) | |
| 755 { | |
| 756 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 757 assert(fd->llvmValue); | |
| 758 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 759 } | |
| 760 } | |
| 761 | |
| 762 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 763 | |
| 764 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
| 765 { | |
| 766 assert(gIR); | |
| 767 | |
| 768 assert(tc->llvmType); | |
|
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769 uint64_t size_t_size = gTargetData->getTypeSize(LLVM_DtoSize_t()); |
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770 uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size; |
| 1 | 771 |
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772 // set vtable field |
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773 llvm::Value* vtblvar = LLVM_DtoGEPi(dst,0,0,"tmp",gIR->scopebb()); |
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774 assert(tc->sym->llvmVtbl); |
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775 new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb()); |
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776 |
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777 // copy the static initializer |
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778 if (n > 0) { |
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779 assert(tc->llvmInit); |
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780 assert(dst->getType() == tc->llvmInit->getType()); |
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781 |
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782 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
| 1 | 783 |
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784 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
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785 dstarr = LLVM_DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb()); |
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786 |
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787 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); |
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788 srcarr = LLVM_DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb()); |
| 1 | 789 |
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790 llvm::Function* fn = LLVM_DeclareMemCpy32(); |
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791 std::vector<llvm::Value*> llargs; |
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792 llargs.resize(4); |
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793 llargs[0] = dstarr; |
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794 llargs[1] = srcarr; |
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795 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); |
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796 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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797 |
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798 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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799 } |
| 1 | 800 } |
| 801 | |
| 802 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 803 | |
| 804 llvm::Constant* LLVM_DtoInitializer(Type* type, Initializer* init) | |
| 805 { | |
| 806 llvm::Constant* _init = 0; | |
| 807 if (!init) | |
| 808 { | |
| 809 elem* e = type->defaultInit()->toElem(gIR); | |
| 810 if (!e->inplace && !e->isNull()) { | |
| 811 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 812 } | |
| 813 delete e; | |
| 814 } | |
| 815 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 816 { | |
| 817 elem* e = ex->exp->toElem(gIR); | |
| 818 if (!e->inplace && !e->isNull()) { | |
| 819 _init = llvm::cast<llvm::Constant>(e->getValue()); | |
| 820 } | |
| 821 delete e; | |
| 822 } | |
| 823 else if (StructInitializer* si = init->isStructInitializer()) | |
| 824 { | |
| 825 _init = LLVM_DtoStructInitializer(si); | |
| 826 } | |
| 827 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 828 { | |
| 829 _init = LLVM_DtoArrayInitializer(ai); | |
| 830 } | |
| 831 else if (init->isVoidInitializer()) | |
| 832 { | |
| 833 const llvm::Type* ty = LLVM_DtoType(type); | |
| 834 _init = llvm::Constant::getNullValue(ty); | |
| 835 } | |
| 836 else { | |
| 837 Logger::println("unsupported initializer: %s", init->toChars()); | |
| 838 } | |
| 839 return _init; | |
| 840 } | |
| 6 | 841 |
|
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842 ////////////////////////////////////////////////////////////////////////////////////////// |
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843 |
| 6 | 844 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) |
| 845 { | |
| 846 std::vector<llvm::Value*> v(2); | |
| 847 v[0] = i0; | |
| 848 v[1] = i1; | |
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849 Logger::cout() << "DtoGEP: " << *ptr << '\n'; |
| 6 | 850 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb); |
| 851 } | |
|
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852 |
|
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853 ////////////////////////////////////////////////////////////////////////////////////////// |
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854 |
|
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855 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
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856 { |
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857 size_t n = src.size(); |
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858 std::vector<llvm::Value*> dst(n); |
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859 Logger::cout() << "indices:"; |
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860 for (size_t i=0; i<n; ++i) |
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861 { |
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862 Logger::cout() << ' ' << i; |
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863 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
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864 } |
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865 Logger::cout() << '\n'; |
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866 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb); |
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867 } |
| 9 | 868 |
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869 ////////////////////////////////////////////////////////////////////////////////////////// |
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870 |
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871 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb) |
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872 { |
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873 return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb); |
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874 } |
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875 |
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876 ////////////////////////////////////////////////////////////////////////////////////////// |
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877 |
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878 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb) |
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879 { |
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880 std::vector<llvm::Value*> v(2); |
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881 v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false); |
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882 v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false); |
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883 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb); |
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884 } |
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885 |
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886 ////////////////////////////////////////////////////////////////////////////////////////// |
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887 |
| 9 | 888 llvm::Function* LLVM_DtoDeclareFunction(FuncDeclaration* fdecl) |
| 889 { | |
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890 TypeFunction* f = (TypeFunction*)fdecl->type; |
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891 assert(f != 0); |
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892 |
| 9 | 893 if (fdecl->llvmValue != 0) { |
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894 assert(llvm::isa<llvm::Function>(fdecl->llvmValue)); |
| 9 | 895 return llvm::cast<llvm::Function>(fdecl->llvmValue); |
| 896 } | |
| 897 | |
| 898 static int fdi = 0; | |
| 899 Logger::print("FuncDeclaration::toObjFile(%d,%s): %s\n", fdi++, fdecl->needThis()?"this":"static",fdecl->toChars()); | |
| 900 LOG_SCOPE; | |
| 901 | |
| 902 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { | |
| 903 error("intrinsics cannot have function bodies"); | |
| 904 fatal(); | |
| 905 } | |
| 906 | |
| 907 // construct function | |
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908 const llvm::FunctionType* functype = (f->llvmType == 0) ? LLVM_DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType); |
| 9 | 909 |
| 910 // mangled name | |
| 911 char* mangled_name = (fdecl->llvmInternal == LLVMintrinsic) ? fdecl->llvmInternal1 : fdecl->mangle(); | |
| 912 | |
| 913 // make the function | |
| 914 llvm::Function* func = gIR->module->getFunction(mangled_name); | |
| 915 if (func == 0) { | |
| 916 func = new llvm::Function(functype,LLVM_DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module); | |
| 917 } | |
| 918 | |
| 919 if (fdecl->llvmInternal != LLVMintrinsic) | |
| 920 func->setCallingConv(LLVM_DtoCallingConv(f->linkage)); | |
| 921 | |
| 922 fdecl->llvmValue = func; | |
| 923 f->llvmType = functype; | |
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924 assert(llvm::isa<llvm::FunctionType>(f->llvmType)); |
| 9 | 925 |
| 926 if (fdecl->isMain()) { | |
| 927 gIR->mainFunc = func; | |
| 928 } | |
| 929 | |
| 930 // name parameters | |
| 931 llvm::Function::arg_iterator iarg = func->arg_begin(); | |
| 932 int k = 0; | |
| 933 if (f->llvmRetInPtr) { | |
| 934 iarg->setName("retval"); | |
| 935 f->llvmRetArg = iarg; | |
| 936 ++iarg; | |
| 937 } | |
| 938 if (f->llvmUsesThis) { | |
| 939 iarg->setName("this"); | |
| 940 ++iarg; | |
| 941 } | |
| 942 for (; iarg != func->arg_end(); ++iarg) | |
| 943 { | |
| 944 Argument* arg = Argument::getNth(f->parameters, k++); | |
| 945 assert(arg != 0); | |
| 946 //arg->llvmValue = iarg; | |
| 947 //printf("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident); | |
| 948 if (arg->ident != 0) { | |
| 949 if (arg->vardecl) { | |
| 950 arg->vardecl->llvmValue = iarg; | |
| 951 } | |
| 952 iarg->setName(arg->ident->toChars()); | |
| 953 } | |
| 954 else { | |
| 955 iarg->setName("unnamed"); | |
| 956 } | |
| 957 } | |
| 958 | |
| 959 return func; | |
| 960 } |