Mercurial > projects > ldc
annotate gen/tollvm.c @ 72:d7e764e62462 trunk
[svn r76] Fixed: TypeInfo for structs.
Fixed: PostExp was unable to allocate storage for parameters.
Fixed: Many types of functions and delegates were broken.
Misc cleanups.
| author | lindquist |
|---|---|
| date | Mon, 29 Oct 2007 03:28:12 +0100 |
| parents | 2b5a2eaa88be |
| children | b706170e24a9 |
| 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: | |
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68 case Timaginary32: |
| 1 | 69 return llvm::Type::FloatTy; |
| 70 case Tfloat64: | |
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71 case Timaginary64: |
| 1 | 72 case Tfloat80: |
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73 case Timaginary80: |
| 1 | 74 return llvm::Type::DoubleTy; |
| 75 | |
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76 // complex |
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77 case Tcomplex32: |
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78 case Tcomplex64: |
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79 case Tcomplex80: |
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80 assert(0 && "complex number types not yet implemented"); |
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81 |
| 1 | 82 // pointers |
| 83 case Tpointer: { | |
| 84 assert(t->next); | |
| 85 if (t->next->ty == Tvoid) | |
| 86 return (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 87 else | |
| 88 return (const llvm::Type*)llvm::PointerType::get(LLVM_DtoType(t->next)); | |
| 89 } | |
| 90 | |
| 91 // arrays | |
| 92 case Tarray: | |
| 93 return LLVM_DtoArrayType(t); | |
| 94 case Tsarray: | |
| 95 return LLVM_DtoStaticArrayType(t); | |
| 96 | |
| 97 // void | |
| 98 case Tvoid: | |
| 99 return llvm::Type::VoidTy; | |
| 100 | |
| 101 // aggregates | |
| 102 case Tstruct: { | |
| 103 if (t->llvmType == 0) | |
| 104 { | |
| 105 // recursive or cyclic declaration | |
| 106 if (!gIR->structs.empty()) | |
| 107 { | |
| 108 IRStruct* found = 0; | |
| 109 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 110 { | |
| 111 if (t == i->type) | |
| 112 { | |
| 113 return i->recty.get(); | |
| 114 } | |
| 115 } | |
| 116 } | |
| 117 | |
| 118 // forward declaration | |
| 119 TypeStruct* ts = (TypeStruct*)t; | |
| 120 assert(ts->sym); | |
| 121 ts->sym->toObjFile(); | |
| 122 } | |
| 123 return t->llvmType; | |
| 124 } | |
| 125 | |
| 126 case Tclass: { | |
| 127 if (t->llvmType == 0) | |
| 128 { | |
| 6 | 129 // recursive or cyclic declaration |
| 130 if (!gIR->structs.empty()) | |
| 131 { | |
| 132 IRStruct* found = 0; | |
| 133 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 134 { | |
| 135 if (t == i->type) | |
| 136 { | |
| 137 return llvm::PointerType::get(i->recty.get()); | |
| 138 } | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 // forward declaration | |
| 1 | 143 TypeClass* tc = (TypeClass*)t; |
| 144 assert(tc->sym); | |
| 6 | 145 tc->sym->toObjFile(); |
| 1 | 146 } |
| 147 return llvm::PointerType::get(t->llvmType); | |
| 148 } | |
| 149 | |
| 150 // functions | |
| 151 case Tfunction: | |
| 152 { | |
| 153 if (t->llvmType == 0) { | |
| 72 | 154 return LLVM_DtoFunctionType(t,NULL); |
| 1 | 155 } |
| 156 else { | |
| 157 return t->llvmType; | |
| 158 } | |
| 159 } | |
| 6 | 160 |
| 1 | 161 // delegates |
| 162 case Tdelegate: | |
| 163 { | |
| 164 if (t->llvmType == 0) { | |
| 165 return LLVM_DtoDelegateType(t); | |
| 166 } | |
| 167 else { | |
| 168 return t->llvmType; | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 // typedefs | |
| 52 | 173 // enum |
| 1 | 174 case Ttypedef: |
| 52 | 175 case Tenum: |
| 1 | 176 { |
| 177 Type* bt = t->toBasetype(); | |
| 178 assert(bt); | |
| 179 return LLVM_DtoType(bt); | |
| 180 } | |
| 181 | |
| 182 default: | |
| 183 printf("trying to convert unknown type with value %d\n", t->ty); | |
| 184 assert(0); | |
| 185 } | |
| 186 return 0; | |
| 187 } | |
| 188 | |
| 189 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 190 | |
| 72 | 191 const llvm::FunctionType* LLVM_DtoFunctionType(Type* type, const llvm::Type* thistype, bool ismain) |
| 1 | 192 { |
| 72 | 193 TypeFunction* f = (TypeFunction*)type; |
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194 assert(f != 0); |
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195 |
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196 bool typesafeVararg = false; |
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197 if (f->linkage == LINKd && f->varargs == 1) { |
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198 typesafeVararg = true; |
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199 } |
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200 |
| 1 | 201 // return value type |
| 202 const llvm::Type* rettype; | |
| 203 const llvm::Type* actualRettype; | |
| 204 Type* rt = f->next; | |
| 205 bool retinptr = false; | |
| 206 bool usesthis = false; | |
| 207 | |
| 72 | 208 if (ismain) { |
| 1 | 209 rettype = llvm::Type::Int32Ty; |
| 210 actualRettype = rettype; | |
| 211 } | |
| 72 | 212 else { |
| 213 assert(rt); | |
| 40 | 214 if (LLVM_DtoIsPassedByRef(rt)) { |
| 1 | 215 rettype = llvm::PointerType::get(LLVM_DtoType(rt)); |
| 216 actualRettype = llvm::Type::VoidTy; | |
| 217 f->llvmRetInPtr = retinptr = true; | |
| 218 } | |
| 219 else { | |
| 220 rettype = LLVM_DtoType(rt); | |
| 221 actualRettype = rettype; | |
| 222 } | |
| 223 } | |
| 224 | |
| 225 // parameter types | |
| 226 std::vector<const llvm::Type*> paramvec; | |
| 227 | |
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228 if (retinptr) { |
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229 Logger::cout() << "returning through pointer parameter: " << *rettype << '\n'; |
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230 paramvec.push_back(rettype); |
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231 } |
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232 |
| 72 | 233 if (thistype) { |
| 234 paramvec.push_back(thistype); | |
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235 usesthis = true; |
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236 } |
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237 |
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238 if (typesafeVararg) { |
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239 ClassDeclaration* ti = Type::typeinfo; |
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240 if (!ti->llvmInitZ) |
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241 ti->toObjFile(); |
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242 assert(ti->llvmInitZ); |
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243 std::vector<const llvm::Type*> types; |
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244 types.push_back(LLVM_DtoSize_t()); |
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245 types.push_back(llvm::PointerType::get(llvm::PointerType::get(ti->llvmInitZ->getType()))); |
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246 const llvm::Type* t1 = llvm::StructType::get(types); |
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247 paramvec.push_back(llvm::PointerType::get(t1)); |
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248 paramvec.push_back(llvm::PointerType::get(llvm::Type::Int8Ty)); |
| 1 | 249 } |
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250 |
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251 size_t n = Argument::dim(f->parameters); |
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252 |
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253 for (int i=0; i < n; ++i) { |
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254 Argument* arg = Argument::getNth(f->parameters, i); |
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255 // ensure scalar |
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256 Type* argT = LLVM_DtoDType(arg->type); |
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257 assert(argT); |
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258 |
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259 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { |
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260 //assert(arg->vardecl); |
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261 //arg->vardecl->refparam = true; |
| 9 | 262 } |
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263 else |
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264 arg->llvmCopy = true; |
| 1 | 265 |
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266 const llvm::Type* at = LLVM_DtoType(argT); |
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267 if (llvm::isa<llvm::StructType>(at)) { |
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268 Logger::println("struct param"); |
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269 paramvec.push_back(llvm::PointerType::get(at)); |
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270 } |
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271 else if (llvm::isa<llvm::ArrayType>(at)) { |
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272 Logger::println("sarray param"); |
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273 assert(argT->ty == Tsarray); |
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274 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); |
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275 paramvec.push_back(llvm::PointerType::get(at)); |
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276 } |
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277 else if (llvm::isa<llvm::OpaqueType>(at)) { |
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278 Logger::println("opaque param"); |
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279 if (argT->ty == Tstruct || argT->ty == Tclass) |
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280 paramvec.push_back(llvm::PointerType::get(at)); |
| 40 | 281 else |
| 282 assert(0); | |
| 283 } | |
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284 /*if (llvm::isa<llvm::StructType>(at) || argT->ty == Tstruct || argT->ty == Tsarray) { |
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285 paramvec.push_back(llvm::PointerType::get(at)); |
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286 }*/ |
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287 else { |
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288 if (!arg->llvmCopy) { |
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289 Logger::println("ref param"); |
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290 at = llvm::PointerType::get(at); |
| 1 | 291 } |
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292 else { |
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293 Logger::println("in param"); |
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294 } |
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[svn r61] Added support for D-style variadic functions :)
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295 paramvec.push_back(at); |
| 1 | 296 } |
| 297 } | |
| 298 | |
| 299 // construct function type | |
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300 bool isvararg = !typesafeVararg && f->varargs; |
| 1 | 301 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); |
| 302 | |
| 9 | 303 f->llvmRetInPtr = retinptr; |
| 304 f->llvmUsesThis = usesthis; | |
| 1 | 305 return functype; |
| 306 } | |
| 307 | |
| 308 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 309 | |
| 72 | 310 static const llvm::FunctionType* LLVM_DtoVaFunctionType(FuncDeclaration* fdecl) |
| 311 { | |
| 312 TypeFunction* f = (TypeFunction*)fdecl->type; | |
| 313 assert(f != 0); | |
| 314 | |
| 315 const llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 316 std::vector<const llvm::Type*> args; | |
| 317 | |
| 318 if (fdecl->llvmInternal == LLVMva_start) { | |
| 319 args.push_back(i8pty); | |
| 320 } | |
| 321 else if (fdecl->llvmInternal == LLVMva_intrinsic) { | |
| 322 size_t n = Argument::dim(f->parameters); | |
| 323 for (size_t i=0; i<n; ++i) { | |
| 324 args.push_back(i8pty); | |
| 325 } | |
| 326 } | |
| 327 else | |
| 328 assert(0); | |
| 329 | |
| 330 const llvm::FunctionType* fty = llvm::FunctionType::get(llvm::Type::VoidTy, args, false); | |
| 331 f->llvmType = fty; | |
| 332 return fty; | |
| 333 } | |
| 334 | |
| 335 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 336 | |
| 337 const llvm::FunctionType* LLVM_DtoFunctionType(FuncDeclaration* fdecl) | |
| 338 { | |
| 339 if ((fdecl->llvmInternal == LLVMva_start) || (fdecl->llvmInternal == LLVMva_intrinsic)) { | |
| 340 return LLVM_DtoVaFunctionType(fdecl); | |
| 341 } | |
| 342 | |
| 343 // type has already been resolved | |
| 344 if (fdecl->type->llvmType != 0) { | |
| 345 return llvm::cast<llvm::FunctionType>(fdecl->type->llvmType); | |
| 346 } | |
| 347 | |
| 348 const llvm::Type* thisty = NULL; | |
| 349 if (fdecl->needThis()) { | |
| 350 if (AggregateDeclaration* ad = fdecl->isMember()) { | |
| 351 Logger::print("isMember = this is: %s\n", ad->type->toChars()); | |
| 352 thisty = LLVM_DtoType(ad->type); | |
| 353 Logger::cout() << "this llvm type: " << *thisty << '\n'; | |
| 354 if (llvm::isa<llvm::StructType>(thisty) || thisty == gIR->topstruct().recty.get()) | |
| 355 thisty = llvm::PointerType::get(thisty); | |
| 356 } | |
| 357 else | |
| 358 assert(0); | |
| 359 } | |
| 360 else if (fdecl->isNested()) { | |
| 361 thisty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 362 } | |
| 363 | |
| 364 const llvm::FunctionType* functype = LLVM_DtoFunctionType(fdecl->type, thisty, fdecl->isMain()); | |
| 365 fdecl->type->llvmType = functype; | |
| 366 return functype; | |
| 367 } | |
| 368 | |
| 369 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 370 | |
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371 const llvm::StructType* LLVM_DtoDelegateType(Type* t) |
| 1 | 372 { |
| 373 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 374 const llvm::Type* func = LLVM_DtoFunctionType(t->next, i8ptr); | |
| 375 const llvm::Type* funcptr = llvm::PointerType::get(func); | |
| 376 | |
| 377 std::vector<const llvm::Type*> types; | |
| 378 types.push_back(i8ptr); | |
| 379 types.push_back(funcptr); | |
| 380 return llvm::StructType::get(types); | |
| 381 } | |
| 382 | |
| 383 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 384 | |
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385 const llvm::Type* LLVM_DtoStructType(Type* t) |
| 1 | 386 { |
| 387 assert(0); | |
| 388 std::vector<const llvm::Type*> types; | |
| 389 return llvm::StructType::get(types); | |
| 390 } | |
| 391 | |
| 392 | |
| 393 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 394 | |
| 395 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) | |
| 396 { | |
| 397 assert(bits == 32 || bits == 64); | |
| 398 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 399 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 400 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 401 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 402 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 403 | |
| 404 assert(gIR); | |
| 405 assert(gIR->module); | |
| 406 | |
| 407 // parameter types | |
| 408 std::vector<const llvm::Type*> pvec; | |
| 409 pvec.push_back(int8ptrty); | |
| 410 pvec.push_back(set?int8ty:int8ptrty); | |
| 411 pvec.push_back(bits==32?int32ty:int64ty); | |
| 412 pvec.push_back(int32ty); | |
| 413 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 414 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 415 } | |
| 416 | |
| 417 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 418 | |
| 419 // llvm.memset.i32 | |
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420 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 421 { |
| 422 static llvm::Function* _func = 0; | |
| 423 if (_func == 0) { | |
| 424 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 425 } | |
| 426 return _func; | |
| 427 } | |
| 428 | |
| 429 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 430 | |
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431 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 432 { |
| 433 static llvm::Function* _func = 0; | |
| 434 if (_func == 0) { | |
| 435 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 436 } | |
| 437 return _func; | |
| 438 } | |
| 439 | |
| 440 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 441 | |
| 442 // llvm.memcpy.i32 | |
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443 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 444 { |
| 445 static llvm::Function* _func = 0; | |
| 446 if (_func == 0) { | |
| 447 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 448 } | |
| 449 return _func; | |
| 450 } | |
| 451 | |
| 452 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 453 | |
| 454 // llvm.memcpy.i64 | |
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455 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 456 { |
| 457 static llvm::Function* _func = 0; | |
| 458 if (_func == 0) { | |
| 459 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 460 } | |
| 461 return _func; | |
| 462 } | |
| 463 | |
| 464 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 465 | |
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466 llvm::Value* LLVM_DtoStructZeroInit(llvm::Value* v) |
| 1 | 467 { |
| 468 assert(gIR); | |
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469 uint64_t n = gTargetData->getTypeSize(v->getType()->getContainedType(0)); |
| 1 | 470 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); |
| 471 llvm::Type* sarrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 472 | |
| 473 llvm::Value* sarr = new llvm::BitCastInst(v,sarrty,"tmp",gIR->scopebb()); | |
| 474 | |
| 475 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 476 std::vector<llvm::Value*> llargs; | |
| 477 llargs.resize(4); | |
| 478 llargs[0] = sarr; | |
| 479 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 480 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 481 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 482 | |
| 483 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 484 | |
| 485 return ret; | |
| 486 } | |
| 487 | |
| 488 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 489 | |
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490 llvm::Value* LLVM_DtoStructCopy(llvm::Value* dst, llvm::Value* src) |
| 1 | 491 { |
| 492 assert(dst->getType() == src->getType()); | |
| 493 assert(gIR); | |
| 494 | |
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495 uint64_t n = gTargetData->getTypeSize(dst->getType()->getContainedType(0)); |
| 1 | 496 //llvm::Type* sarrty = llvm::PointerType::get(llvm::ArrayType::get(llvm::Type::Int8Ty, n)); |
| 497 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 498 | |
| 499 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 500 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 501 | |
| 502 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 503 std::vector<llvm::Value*> llargs; | |
| 504 llargs.resize(4); | |
| 505 llargs[0] = dstarr; | |
| 506 llargs[1] = srcarr; | |
| 507 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 508 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 509 | |
| 510 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 511 } | |
| 512 | |
| 513 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 40 | 514 llvm::Constant* LLVM_DtoConstStructInitializer(StructInitializer* si) |
| 1 | 515 { |
| 516 llvm::StructType* structtype = llvm::cast<llvm::StructType>(si->ad->llvmType); | |
| 517 size_t n = structtype->getNumElements(); | |
| 518 | |
| 519 assert(si->value.dim == si->vars.dim); | |
| 520 | |
| 521 std::vector<llvm::Constant*> inits; | |
| 522 inits.resize(n, NULL); | |
| 523 for (int i = 0; i < si->value.dim; ++i) | |
| 524 { | |
| 525 Initializer* ini = (Initializer*)si->value.data[i]; | |
| 526 assert(ini); | |
| 527 | |
| 528 VarDeclaration* vd = (VarDeclaration*)si->vars.data[i]; | |
| 40 | 529 Type* vdtype = LLVM_DtoDType(vd->type); |
| 1 | 530 assert(vd); |
| 531 Logger::println("vars[%d] = %s", i, vd->toChars()); | |
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533 std::vector<unsigned> idxs; |
| 40 | 534 si->ad->offsetToIndex(vdtype, vd->offset, idxs); |
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535 assert(idxs.size() == 1); |
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536 unsigned idx = idxs[0]; |
| 1 | 537 |
| 538 llvm::Constant* v = 0; | |
| 539 | |
| 540 if (ExpInitializer* ex = ini->isExpInitializer()) | |
| 541 { | |
| 40 | 542 v = ex->exp->toConstElem(gIR); |
| 1 | 543 } |
| 544 else if (StructInitializer* si = ini->isStructInitializer()) | |
| 545 { | |
| 40 | 546 v = LLVM_DtoConstStructInitializer(si); |
| 1 | 547 } |
| 548 else if (ArrayInitializer* ai = ini->isArrayInitializer()) | |
| 549 { | |
| 40 | 550 v = LLVM_DtoConstArrayInitializer(ai); |
| 1 | 551 } |
| 552 else if (ini->isVoidInitializer()) | |
| 553 { | |
| 554 v = llvm::UndefValue::get(structtype->getElementType(idx)); | |
| 555 } | |
| 556 else | |
| 557 assert(v); | |
| 558 | |
| 559 inits[idx] = v; | |
| 560 } | |
| 561 | |
| 562 // fill out nulls | |
| 563 assert(si->ad->llvmInitZ); | |
| 564 if (si->ad->llvmInitZ->isNullValue()) | |
| 565 { | |
| 566 for (int i = 0; i < n; ++i) | |
| 567 { | |
| 568 if (inits[i] == 0) | |
| 569 { | |
| 570 inits[i] = llvm::Constant::getNullValue(structtype->getElementType(i)); | |
| 571 } | |
| 572 } | |
| 573 } | |
| 574 else | |
| 575 { | |
| 576 for (int i = 0; i < n; ++i) | |
| 577 { | |
| 578 if (inits[i] == 0) | |
| 579 { | |
| 580 inits[i] = si->ad->llvmInitZ->getOperand(i); | |
| 581 } | |
| 582 } | |
| 583 } | |
| 584 | |
| 585 return llvm::ConstantStruct::get(structtype, inits); | |
| 586 } | |
| 587 | |
| 588 | |
| 589 | |
| 590 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 591 | |
| 592 llvm::Value* LLVM_DtoNullDelegate(llvm::Value* v) | |
| 593 { | |
| 594 assert(gIR); | |
| 595 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 596 | |
| 597 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 598 | |
| 599 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 600 | |
| 601 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 602 std::vector<llvm::Value*> llargs; | |
| 603 llargs.resize(4); | |
| 604 llargs[0] = arr; | |
| 605 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 606 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 607 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 608 | |
| 609 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 610 | |
| 611 return ret; | |
| 612 } | |
| 613 | |
| 614 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 615 | |
| 616 llvm::Value* LLVM_DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) | |
| 617 { | |
| 618 assert(dst->getType() == src->getType()); | |
| 619 assert(gIR); | |
| 620 | |
| 621 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 622 | |
| 623 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 624 | |
| 625 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 626 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 627 | |
| 628 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 629 std::vector<llvm::Value*> llargs; | |
| 630 llargs.resize(4); | |
| 631 llargs[0] = dstarr; | |
| 632 llargs[1] = srcarr; | |
| 633 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 634 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 635 | |
| 636 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 637 } | |
| 638 | |
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639 ////////////////////////////////////////////////////////////////////////////////////////// |
| 1 | 640 |
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641 llvm::Value* LLVM_DtoCompareDelegate(TOK op, llvm::Value* lhs, llvm::Value* rhs) |
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642 { |
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643 llvm::ICmpInst::Predicate pred = (op == TOKequal) ? llvm::ICmpInst::ICMP_EQ : llvm::ICmpInst::ICMP_NE; |
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644 llvm::Value* l = gIR->ir->CreateLoad(LLVM_DtoGEPi(lhs,0,0,"tmp"),"tmp"); |
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645 llvm::Value* r = gIR->ir->CreateLoad(LLVM_DtoGEPi(rhs,0,0,"tmp"),"tmp"); |
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646 llvm::Value* b1 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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647 l = gIR->ir->CreateLoad(LLVM_DtoGEPi(lhs,0,1,"tmp"),"tmp"); |
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648 r = gIR->ir->CreateLoad(LLVM_DtoGEPi(rhs,0,1,"tmp"),"tmp"); |
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649 llvm::Value* b2 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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650 llvm::Value* b = gIR->ir->CreateAnd(b1,b2,"tmp"); |
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651 if (op == TOKnotequal) |
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652 return gIR->ir->CreateNot(b,"tmp"); |
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653 return b; |
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654 } |
| 1 | 655 |
| 656 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 657 | |
| 658 llvm::GlobalValue::LinkageTypes LLVM_DtoLinkage(PROT prot, uint stc) | |
| 659 { | |
| 660 switch(prot) | |
| 661 { | |
| 662 case PROTprivate: | |
| 663 return llvm::GlobalValue::InternalLinkage; | |
| 664 | |
| 665 case PROTpublic: | |
| 666 case PROTpackage: | |
| 667 case PROTprotected: | |
| 668 case PROTexport: | |
| 669 return llvm::GlobalValue::ExternalLinkage; | |
| 670 | |
| 671 case PROTundefined: | |
| 672 case PROTnone: | |
| 673 assert(0 && "Unsupported linkage type"); | |
| 674 } | |
| 675 return llvm::GlobalValue::ExternalLinkage; | |
| 676 | |
| 677 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 678 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 679 GhostLinkage */ | |
| 680 } | |
| 681 | |
| 682 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 683 | |
| 684 unsigned LLVM_DtoCallingConv(LINK l) | |
| 685 { | |
| 686 if (l == LINKc) | |
| 687 return llvm::CallingConv::C; | |
| 688 else if (l == LINKd || l == LINKdefault) | |
| 689 return llvm::CallingConv::Fast; | |
| 690 else if (l == LINKwindows) | |
| 691 return llvm::CallingConv::X86_StdCall; | |
| 692 else | |
| 693 assert(0 && "Unsupported calling convention"); | |
| 694 } | |
| 695 | |
| 696 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 697 | |
| 698 llvm::Value* LLVM_DtoPointedType(llvm::Value* ptr, llvm::Value* val) | |
| 699 { | |
| 700 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 701 const llvm::Type* valTy = val->getType(); | |
| 702 // ptr points to val's type | |
| 703 if (ptrTy == valTy) | |
| 704 { | |
| 705 return val; | |
| 706 } | |
| 707 // ptr is integer pointer | |
| 708 else if (ptrTy->isInteger()) | |
| 709 { | |
| 710 // val is integer | |
| 711 assert(valTy->isInteger()); | |
| 712 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 713 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 714 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 715 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 716 } | |
| 717 else | |
| 718 assert(0); | |
| 719 } | |
| 720 // something else unsupported | |
| 721 else | |
| 722 { | |
| 723 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 724 assert(0); | |
| 725 } | |
| 726 return 0; | |
| 727 } | |
| 728 | |
| 729 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 730 | |
| 731 llvm::Value* LLVM_DtoBoolean(llvm::Value* val) | |
| 732 { | |
| 733 const llvm::Type* t = val->getType(); | |
| 734 if (t->isInteger()) | |
| 735 { | |
| 736 if (t == llvm::Type::Int1Ty) | |
| 737 return val; | |
| 738 else { | |
| 739 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 740 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 741 } | |
| 742 } | |
| 743 else if (llvm::isa<llvm::PointerType>(t)) { | |
| 744 const llvm::Type* st = LLVM_DtoSize_t(); | |
| 745 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); | |
| 746 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 747 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 748 } | |
| 749 else | |
| 750 { | |
| 751 Logger::cout() << *t << '\n'; | |
| 752 } | |
| 753 assert(0); | |
| 754 return 0; | |
| 755 } | |
| 756 | |
| 757 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 758 | |
| 759 const llvm::Type* LLVM_DtoSize_t() | |
| 760 { | |
| 761 if (global.params.is64bit) | |
| 762 return llvm::Type::Int64Ty; | |
| 763 else | |
| 764 return llvm::Type::Int32Ty; | |
| 765 } | |
| 766 | |
| 767 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 768 | |
| 769 void LLVM_DtoMain() | |
| 770 { | |
| 771 // emit main function llvm style | |
| 772 // int main(int argc, char**argv, char**env); | |
| 773 | |
| 774 assert(gIR != 0); | |
| 775 IRState& ir = *gIR; | |
| 776 | |
| 777 assert(ir.emitMain && ir.mainFunc); | |
| 778 | |
| 779 // parameter types | |
| 780 std::vector<const llvm::Type*> pvec; | |
| 781 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 782 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 783 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 784 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 785 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 786 | |
| 787 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 788 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 789 | |
| 790 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 791 | |
| 792 // call static ctors | |
| 793 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 794 new llvm::CallInst(fn,"",bb); | |
| 795 | |
| 796 // call user main function | |
| 797 llvm::CallInst* call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 798 call->setCallingConv(ir.mainFunc->getCallingConv()); | |
| 799 | |
| 800 // call static dtors | |
| 801 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 802 new llvm::CallInst(fn,"",bb); | |
| 803 | |
| 804 // return | |
| 805 new llvm::ReturnInst(call,bb); | |
| 806 } | |
| 807 | |
| 808 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 809 | |
| 810 void LLVM_DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) | |
| 811 { | |
| 812 Array* arr = &tc->sym->dtors; | |
| 813 for (size_t i=0; i<arr->dim; i++) | |
| 814 { | |
| 815 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 816 assert(fd->llvmValue); | |
| 817 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 818 } | |
| 819 } | |
| 820 | |
| 821 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 822 | |
| 823 void LLVM_DtoInitClass(TypeClass* tc, llvm::Value* dst) | |
| 824 { | |
| 825 assert(gIR); | |
| 826 | |
| 827 assert(tc->llvmType); | |
|
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828 uint64_t size_t_size = gTargetData->getTypeSize(LLVM_DtoSize_t()); |
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829 uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size; |
| 1 | 830 |
|
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831 // set vtable field |
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832 llvm::Value* vtblvar = LLVM_DtoGEPi(dst,0,0,"tmp",gIR->scopebb()); |
|
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833 assert(tc->sym->llvmVtbl); |
|
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834 new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb()); |
|
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835 |
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836 // copy the static initializer |
|
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837 if (n > 0) { |
|
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|
838 assert(tc->llvmInit); |
|
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839 assert(dst->getType() == tc->llvmInit->getType()); |
|
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840 |
|
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|
841 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
| 1 | 842 |
|
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843 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
|
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844 dstarr = LLVM_DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb()); |
|
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845 |
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846 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); |
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|
847 srcarr = LLVM_DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb()); |
| 1 | 848 |
|
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849 llvm::Function* fn = LLVM_DeclareMemCpy32(); |
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850 std::vector<llvm::Value*> llargs; |
|
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851 llargs.resize(4); |
|
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852 llargs[0] = dstarr; |
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853 llargs[1] = srcarr; |
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854 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); |
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855 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
|
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856 |
|
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857 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
|
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858 } |
| 1 | 859 } |
| 860 | |
| 861 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 862 | |
| 40 | 863 llvm::Constant* LLVM_DtoConstInitializer(Type* type, Initializer* init) |
| 1 | 864 { |
|
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|
865 llvm::Constant* _init = 0; // may return zero |
| 1 | 866 if (!init) |
| 867 { | |
| 40 | 868 Logger::println("const default initializer for %s", type->toChars()); |
| 869 _init = type->defaultInit()->toConstElem(gIR); | |
| 1 | 870 } |
| 871 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 872 { | |
| 40 | 873 Logger::println("const expression initializer"); |
| 874 _init = ex->exp->toConstElem(gIR); | |
| 1 | 875 } |
| 876 else if (StructInitializer* si = init->isStructInitializer()) | |
| 877 { | |
| 40 | 878 Logger::println("const struct initializer"); |
| 879 _init = LLVM_DtoConstStructInitializer(si); | |
| 1 | 880 } |
| 881 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 882 { | |
| 40 | 883 Logger::println("const array initializer"); |
| 884 _init = LLVM_DtoConstArrayInitializer(ai); | |
| 1 | 885 } |
| 886 else if (init->isVoidInitializer()) | |
| 887 { | |
| 40 | 888 Logger::println("const void initializer"); |
| 1 | 889 const llvm::Type* ty = LLVM_DtoType(type); |
| 890 _init = llvm::Constant::getNullValue(ty); | |
| 891 } | |
| 892 else { | |
| 40 | 893 Logger::println("unsupported const initializer: %s", init->toChars()); |
| 894 } | |
| 895 return _init; | |
| 896 } | |
| 897 | |
| 898 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 899 | |
| 900 void LLVM_DtoInitializer(Initializer* init) | |
| 901 { | |
| 902 if (ExpInitializer* ex = init->isExpInitializer()) | |
| 903 { | |
| 904 Logger::println("expression initializer"); | |
| 905 elem* e = ex->exp->toElem(gIR); | |
| 906 delete e; | |
| 907 } | |
| 908 else { | |
| 1 | 909 Logger::println("unsupported initializer: %s", init->toChars()); |
| 910 } | |
| 911 } | |
| 6 | 912 |
|
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913 ////////////////////////////////////////////////////////////////////////////////////////// |
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914 |
| 6 | 915 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) |
| 916 { | |
| 917 std::vector<llvm::Value*> v(2); | |
| 918 v[0] = i0; | |
| 919 v[1] = i1; | |
|
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920 Logger::cout() << "DtoGEP: " << *ptr << '\n'; |
|
50
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921 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
| 6 | 922 } |
|
8
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|
923 |
|
11
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924 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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925 |
|
8
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926 llvm::Value* LLVM_DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
|
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|
927 { |
|
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|
928 size_t n = src.size(); |
|
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|
929 std::vector<llvm::Value*> dst(n); |
| 40 | 930 std::ostream& ostr = Logger::cout(); |
| 931 ostr << "indices for '" << *ptr << "':"; | |
|
8
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932 for (size_t i=0; i<n; ++i) |
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933 { |
| 40 | 934 ostr << ' ' << i; |
|
8
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|
935 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
|
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|
936 } |
| 40 | 937 ostr << '\n'; |
|
50
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938 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb?bb:gIR->scopebb()); |
|
8
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939 } |
| 9 | 940 |
|
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941 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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942 |
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943 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb) |
|
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944 { |
|
50
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945 return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb?bb:gIR->scopebb()); |
|
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946 } |
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947 |
|
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948 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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949 |
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950 llvm::Value* LLVM_DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb) |
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951 { |
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952 std::vector<llvm::Value*> v(2); |
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|
953 v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false); |
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|
954 v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false); |
|
50
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955 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
|
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956 } |
|
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|
957 |
|
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|
958 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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|
959 |
|
55
0ccfae271c45
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|
960 static llvm::Function* LLVM_DtoDeclareVaFunction(FuncDeclaration* fdecl) |
|
0ccfae271c45
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|
961 { |
|
0ccfae271c45
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|
962 TypeFunction* f = (TypeFunction*)LLVM_DtoDType(fdecl->type); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
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diff
changeset
|
963 const llvm::FunctionType* fty = LLVM_DtoVaFunctionType(fdecl); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
964 llvm::Constant* fn = 0; |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
965 |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
966 if (fdecl->llvmInternal == LLVMva_start) { |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
967 fn = gIR->module->getOrInsertFunction("llvm.va_start", fty); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
968 assert(fn); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
969 } |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
970 else if (fdecl->llvmInternal == LLVMva_intrinsic) { |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
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diff
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|
971 fn = gIR->module->getOrInsertFunction(fdecl->llvmInternal1, fty); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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parents:
54
diff
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|
972 assert(fn); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
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54
diff
changeset
|
973 } |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
changeset
|
974 else |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
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|
975 assert(0); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
54
diff
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|
976 |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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54
diff
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|
977 llvm::Function* func = llvm::cast_or_null<llvm::Function>(fn); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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diff
changeset
|
978 assert(func); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
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diff
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|
979 assert(func->isIntrinsic()); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
lindquist
parents:
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diff
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|
980 fdecl->llvmValue = func; |
|
0ccfae271c45
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lindquist
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diff
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|
981 return func; |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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diff
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|
982 } |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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54
diff
changeset
|
983 |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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diff
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|
984 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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parents:
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diff
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|
985 |
| 9 | 986 llvm::Function* LLVM_DtoDeclareFunction(FuncDeclaration* fdecl) |
| 987 { | |
|
55
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[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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|
988 if ((fdecl->llvmInternal == LLVMva_start) || (fdecl->llvmInternal == LLVMva_intrinsic)) { |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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diff
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|
989 return LLVM_DtoDeclareVaFunction(fdecl); |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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|
990 } |
|
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|
991 |
|
27
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[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
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24
diff
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|
992 // mangled name |
|
55
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|
993 char* mangled_name; |
|
0ccfae271c45
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
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|
994 if (fdecl->llvmInternal == LLVMintrinsic) |
|
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|
995 mangled_name = fdecl->llvmInternal1; |
|
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|
996 else |
|
0ccfae271c45
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|
997 mangled_name = fdecl->mangle(); |
|
27
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diff
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|
998 |
|
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diff
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|
999 // unit test special handling |
|
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|
1000 if (fdecl->isUnitTestDeclaration()) |
|
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|
1001 { |
|
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|
1002 assert(0 && "no unittests yet"); |
|
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|
1003 /*const llvm::FunctionType* fnty = llvm::FunctionType::get(llvm::Type::VoidTy, std::vector<const llvm::Type*>(), false); |
|
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|
1004 // make the function |
|
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1005 llvm::Function* func = gIR->module->getFunction(mangled_name); |
|
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|
1006 if (func == 0) |
|
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|
1007 func = new llvm::Function(fnty,llvm::GlobalValue::InternalLinkage,mangled_name,gIR->module); |
|
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|
1008 func->setCallingConv(llvm::CallingConv::Fast); |
|
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|
1009 fdecl->llvmValue = func; |
|
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|
1010 return func; |
|
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|
1011 */ |
|
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|
1012 } |
|
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|
1013 |
|
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|
1014 // regular function |
| 40 | 1015 TypeFunction* f = (TypeFunction*)LLVM_DtoDType(fdecl->type); |
|
11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
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diff
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|
1016 assert(f != 0); |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
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|
1017 |
| 9 | 1018 if (fdecl->llvmValue != 0) { |
| 18 | 1019 if (!llvm::isa<llvm::Function>(fdecl->llvmValue)) |
| 1020 { | |
| 1021 Logger::cout() << *fdecl->llvmValue << '\n'; | |
| 1022 assert(0); | |
| 1023 } | |
| 9 | 1024 return llvm::cast<llvm::Function>(fdecl->llvmValue); |
| 1025 } | |
| 1026 | |
| 18 | 1027 Logger::print("FuncDeclaration::toObjFile(%s): %s\n", fdecl->needThis()?"this":"static",fdecl->toChars()); |
| 9 | 1028 LOG_SCOPE; |
| 1029 | |
| 1030 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { | |
| 1031 error("intrinsics cannot have function bodies"); | |
| 1032 fatal(); | |
| 1033 } | |
| 1034 | |
| 1035 // construct function | |
|
11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
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diff
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|
1036 const llvm::FunctionType* functype = (f->llvmType == 0) ? LLVM_DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType); |
| 9 | 1037 |
| 1038 // make the function | |
| 1039 llvm::Function* func = gIR->module->getFunction(mangled_name); | |
| 1040 if (func == 0) { | |
| 1041 func = new llvm::Function(functype,LLVM_DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module); | |
| 1042 } | |
| 1043 | |
| 1044 if (fdecl->llvmInternal != LLVMintrinsic) | |
| 1045 func->setCallingConv(LLVM_DtoCallingConv(f->linkage)); | |
| 1046 | |
| 1047 fdecl->llvmValue = func; | |
| 1048 f->llvmType = functype; | |
|
11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
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diff
changeset
|
1049 assert(llvm::isa<llvm::FunctionType>(f->llvmType)); |
| 9 | 1050 |
| 1051 if (fdecl->isMain()) { | |
| 1052 gIR->mainFunc = func; | |
| 1053 } | |
| 1054 | |
| 1055 // name parameters | |
| 1056 llvm::Function::arg_iterator iarg = func->arg_begin(); | |
| 1057 int k = 0; | |
| 1058 if (f->llvmRetInPtr) { | |
| 1059 iarg->setName("retval"); | |
| 1060 f->llvmRetArg = iarg; | |
| 1061 ++iarg; | |
| 1062 } | |
| 1063 if (f->llvmUsesThis) { | |
| 1064 iarg->setName("this"); | |
| 1065 ++iarg; | |
| 1066 } | |
|
57
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[svn r61] Added support for D-style variadic functions :)
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|
1067 int varargs = -1; |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
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|
1068 if (f->linkage == LINKd && f->varargs == 1) |
|
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[svn r61] Added support for D-style variadic functions :)
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|
1069 varargs = 0; |
| 9 | 1070 for (; iarg != func->arg_end(); ++iarg) |
| 1071 { | |
| 1072 Argument* arg = Argument::getNth(f->parameters, k++); | |
| 1073 //arg->llvmValue = iarg; | |
| 1074 //printf("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident); | |
|
57
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[svn r61] Added support for D-style variadic functions :)
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|
1075 if (arg && arg->ident != 0) { |
| 9 | 1076 if (arg->vardecl) { |
| 1077 arg->vardecl->llvmValue = iarg; | |
| 1078 } | |
| 1079 iarg->setName(arg->ident->toChars()); | |
| 1080 } | |
|
57
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|
1081 else if (!arg && varargs >= 0) { |
|
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[svn r61] Added support for D-style variadic functions :)
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|
1082 if (varargs == 0) { |
|
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[svn r61] Added support for D-style variadic functions :)
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|
1083 iarg->setName("_arguments"); |
|
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|
1084 fdecl->llvmArguments = iarg; |
|
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[svn r61] Added support for D-style variadic functions :)
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|
1085 } |
|
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|
1086 else if (varargs == 1) { |
|
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|
1087 iarg->setName("_argptr"); |
|
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|
1088 fdecl->llvmArgPtr = iarg; |
|
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|
1089 } |
|
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[svn r61] Added support for D-style variadic functions :)
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|
1090 else |
|
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[svn r61] Added support for D-style variadic functions :)
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|
1091 assert(0); |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
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|
1092 varargs++; |
|
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|
1093 } |
| 9 | 1094 else { |
| 1095 iarg->setName("unnamed"); | |
| 1096 } | |
| 1097 } | |
| 1098 | |
| 1099 return func; | |
| 1100 } | |
|
29
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[svn r33] * Added support for assignment to function arguments
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diff
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|
1101 |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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|
1102 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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[svn r33] * Added support for assignment to function arguments
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|
1103 |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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|
1104 void LLVM_DtoGiveArgumentStorage(elem* l) |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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|
1105 { |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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diff
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|
1106 assert(l->mem == 0); |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
lindquist
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diff
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|
1107 assert(l->val); |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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diff
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|
1108 assert(llvm::isa<llvm::Argument>(l->val)); |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
lindquist
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diff
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|
1109 assert(l->vardecl != 0); |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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diff
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|
1110 |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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diff
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|
1111 llvm::AllocaInst* allocainst = new llvm::AllocaInst(l->val->getType(), l->val->getName()+"_storage", gIR->topallocapoint()); |
|
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[svn r33] * Added support for assignment to function arguments
lindquist
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diff
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|
1112 l->mem = allocainst; |
|
253a5fc4033a
[svn r33] * Added support for assignment to function arguments
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diff
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|
1113 l->vardecl->llvmValue = l->mem; |
|
253a5fc4033a
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|
1114 } |
| 34 | 1115 |
| 1116 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1117 | |
| 1118 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, const llvm::Type* ty) | |
| 1119 { | |
| 1120 /*size_t sz = gTargetData->getTypeSize(ty); | |
| 1121 llvm::ConstantInt* n = llvm::ConstantInt::get(LLVM_DtoSize_t(), sz, false); | |
| 1122 if (ptr == 0) { | |
| 1123 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1124 ptr = llvm::ConstantPointerNull::get(i8pty); | |
| 1125 } | |
| 1126 return LLVM_DtoRealloc(ptr, n);*/ | |
| 1127 return NULL; | |
| 1128 } | |
| 1129 | |
| 1130 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1131 | |
| 1132 llvm::Value* LLVM_DtoRealloc(llvm::Value* ptr, llvm::Value* n) | |
| 1133 { | |
| 1134 assert(ptr); | |
| 1135 assert(n); | |
| 1136 | |
| 1137 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_realloc"); | |
| 1138 assert(fn); | |
| 1139 | |
| 1140 llvm::Value* newptr = ptr; | |
| 1141 | |
| 1142 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1143 if (ptr->getType() != i8pty) { | |
| 1144 newptr = new llvm::BitCastInst(ptr,i8pty,"tmp",gIR->scopebb()); | |
| 1145 } | |
| 1146 | |
| 1147 std::vector<llvm::Value*> args; | |
| 1148 args.push_back(newptr); | |
| 1149 args.push_back(n); | |
| 1150 llvm::Value* ret = new llvm::CallInst(fn, args.begin(), args.end(), "tmprealloc", gIR->scopebb()); | |
| 1151 | |
| 1152 return ret->getType() == ptr->getType() ? ret : new llvm::BitCastInst(ret,ptr->getType(),"tmp",gIR->scopebb()); | |
| 1153 } | |
| 1154 | |
| 1155 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1156 | |
| 1157 void LLVM_DtoAssert(llvm::Value* cond, llvm::Value* loc, llvm::Value* msg) | |
| 1158 { | |
| 1159 assert(loc); | |
| 1160 std::vector<llvm::Value*> llargs; | |
| 1161 llargs.resize(3); | |
| 1162 llargs[0] = cond ? LLVM_DtoBoolean(cond) : llvm::ConstantInt::getFalse(); | |
| 1163 llargs[1] = loc; | |
| 1164 llargs[2] = msg ? msg : llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty)); | |
| 1165 | |
| 1166 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_assert"); | |
| 1167 assert(fn); | |
| 1168 llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 1169 call->setCallingConv(llvm::CallingConv::C); | |
| 1170 } | |
| 1171 | |
| 40 | 1172 ////////////////////////////////////////////////////////////////////////////////////////// |
| 34 | 1173 |
| 40 | 1174 llvm::Value* LLVM_DtoArgument(const llvm::Type* paramtype, Argument* fnarg, Expression* argexp) |
| 1175 { | |
| 1176 llvm::Value* retval = 0; | |
| 1177 | |
|
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1178 bool haslvals = !gIR->exps.empty(); |
| 40 | 1179 if (haslvals) |
|
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1180 gIR->exps.push_back(IRExp(NULL,NULL,NULL)); |
| 40 | 1181 |
| 1182 elem* arg = argexp->toElem(gIR); | |
| 1183 | |
| 1184 if (haslvals) | |
|
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1185 gIR->exps.pop_back(); |
| 40 | 1186 |
| 1187 if (arg->inplace) { | |
| 1188 assert(arg->mem != 0); | |
| 1189 retval = arg->mem; | |
| 1190 delete arg; | |
| 1191 return retval; | |
| 1192 } | |
| 1193 | |
| 1194 Type* realtype = LLVM_DtoDType(argexp->type); | |
| 1195 TY argty = realtype->ty; | |
| 1196 if (LLVM_DtoIsPassedByRef(realtype)) { | |
| 1197 if (!fnarg || !fnarg->llvmCopy) { | |
| 1198 retval = arg->getValue(); | |
| 1199 assert(retval != 0); | |
| 1200 } | |
| 1201 else { | |
| 1202 llvm::Value* allocaInst = 0; | |
| 1203 llvm::BasicBlock* entryblock = &gIR->topfunc()->front(); | |
| 1204 //const llvm::PointerType* pty = llvm::cast<llvm::PointerType>(arg->mem->getType()); | |
|
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1205 const llvm::Type* realtypell = LLVM_DtoType(realtype); |
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1206 const llvm::PointerType* pty = llvm::PointerType::get(realtypell); |
| 40 | 1207 if (argty == Tstruct) { |
| 1208 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
|
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1209 LLVM_DtoStructCopy(allocaInst,arg->mem); |
| 40 | 1210 } |
| 1211 else if (argty == Tdelegate) { | |
| 1212 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1213 LLVM_DtoDelegateCopy(allocaInst,arg->mem); | |
| 1214 } | |
| 1215 else if (argty == Tarray) { | |
| 1216 if (arg->type == elem::SLICE) { | |
|
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1217 allocaInst = new llvm::AllocaInst(realtypell, "tmpparam", gIR->topallocapoint()); |
| 40 | 1218 LLVM_DtoSetArray(allocaInst, arg->arg, arg->mem); |
| 1219 } | |
| 1220 else { | |
| 1221 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1222 LLVM_DtoArrayAssign(allocaInst,arg->mem); | |
| 1223 } | |
| 1224 } | |
| 1225 else | |
| 1226 assert(0); | |
| 1227 | |
| 1228 assert(allocaInst != 0); | |
| 1229 retval = allocaInst; | |
| 1230 } | |
| 1231 } | |
| 1232 else if (!fnarg || fnarg->llvmCopy) { | |
| 1233 Logger::println("regular arg"); | |
| 1234 assert(arg->type != elem::SLICE); | |
| 1235 if (arg->mem) Logger::cout() << "mem = " << *arg->mem << '\n'; | |
| 1236 if (arg->val) Logger::cout() << "val = " << *arg->val << '\n'; | |
| 1237 if (arg->arg) Logger::cout() << "arg = " << *arg->arg << '\n'; | |
| 1238 retval = arg->arg ? arg->arg : arg->field ? arg->mem : arg->getValue(); | |
| 1239 } | |
| 1240 else { | |
| 1241 Logger::println("as ptr arg"); | |
| 1242 retval = arg->mem ? arg->mem : arg->val; | |
|
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1243 if (paramtype && retval->getType() != paramtype) |
| 40 | 1244 { |
| 1245 assert(retval->getType() == paramtype->getContainedType(0)); | |
| 1246 LLVM_DtoGiveArgumentStorage(arg); | |
| 1247 new llvm::StoreInst(retval, arg->mem, gIR->scopebb()); | |
| 1248 retval = arg->mem; | |
| 1249 } | |
| 1250 } | |
| 1251 | |
| 1252 delete arg; | |
| 1253 | |
|
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1254 if (fnarg && paramtype && retval->getType() != paramtype) { |
| 40 | 1255 Logger::cout() << "got '" << *retval->getType() << "' expected '" << *paramtype << "'\n"; |
| 1256 assert(0 && "parameter type that was actually passed is invalid"); | |
| 1257 } | |
| 1258 return retval; | |
| 1259 } | |
| 34 | 1260 |
|
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1261 ////////////////////////////////////////////////////////////////////////////////////////// |
| 34 | 1262 |
|
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1263 llvm::Value* LLVM_DtoNestedVariable(VarDeclaration* vd) |
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1264 { |
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1265 FuncDeclaration* fd = vd->toParent()->isFuncDeclaration(); |
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1266 assert(fd != NULL); |
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1267 |
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1268 IRFunction* fcur = &gIR->func(); |
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1269 FuncDeclaration* f = fcur->decl; |
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1270 |
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1271 // on this stack |
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1272 if (fd == f) { |
|
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1273 llvm::Value* v = LLVM_DtoGEPi(vd->llvmValue,0,unsigned(vd->llvmNestedIndex),"tmp"); |
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1274 if (vd->isParameter() && (vd->isRef() || vd->isOut())) |
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1275 v = gIR->ir->CreateLoad(v,"tmp"); |
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1276 return v; |
|
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1277 } |
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1278 |
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1279 // on a caller stack |
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1280 llvm::Value* ptr = f->llvmThisVar; |
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1281 assert(ptr); |
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1282 |
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1283 f = f->toParent()->isFuncDeclaration(); |
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1284 assert(f); |
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1285 assert(f->llvmNested); |
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1286 const llvm::Type* nesttype = f->llvmNested->getType(); |
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1287 assert(nesttype); |
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1288 |
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1289 ptr = gIR->ir->CreateBitCast(ptr, nesttype, "tmp"); |
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1290 |
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1291 Logger::cout() << "nested var reference:" << '\n' << *ptr << *nesttype << '\n'; |
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1292 |
|
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1293 while (f) { |
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1294 if (fd == f) { |
|
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1295 llvm::Value* v = LLVM_DtoGEPi(ptr,0,vd->llvmNestedIndex,"tmp"); |
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1296 if (vd->isParameter() && (vd->isRef() || vd->isOut())) |
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1297 v = gIR->ir->CreateLoad(v,"tmp"); |
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1298 return v; |
|
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1299 } |
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1300 else { |
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1301 ptr = LLVM_DtoGEPi(ptr,0,0,"tmp"); |
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1302 ptr = gIR->ir->CreateLoad(ptr,"tmp"); |
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1303 } |
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1304 f = f->toParent()->isFuncDeclaration(); |
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1305 } |
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1306 |
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1307 assert(0 && "nested var not found"); |
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1308 return NULL; |
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1309 } |
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1310 |
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1311 ////////////////////////////////////////////////////////////////////////////////////////// |
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1312 |
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1313 void LLVM_DtoAssign(Type* t, llvm::Value* lhs, llvm::Value* rhs) |
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1314 { |
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1315 Logger::cout() << "assignment:" << '\n' << *lhs << *rhs << '\n'; |
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1316 |
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1317 if (t->ty == Tstruct) { |
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1318 assert(lhs->getType() == rhs->getType()); |
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1319 LLVM_DtoStructCopy(lhs,rhs); |
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1320 } |
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1321 else if (t->ty == Tarray) { |
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1322 assert(lhs->getType() == rhs->getType()); |
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1323 LLVM_DtoArrayAssign(lhs,rhs); |
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1324 } |
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1325 else if (t->ty == Tsarray) { |
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1326 assert(lhs->getType() == rhs->getType()); |
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1327 LLVM_DtoStaticArrayCopy(lhs,rhs); |
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1328 } |
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1329 else if (t->ty == Tdelegate) { |
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1330 assert(lhs->getType() == rhs->getType()); |
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1331 LLVM_DtoDelegateCopy(lhs,rhs); |
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1332 } |
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1333 else { |
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1334 assert(lhs->getType()->getContainedType(0) == rhs->getType()); |
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1335 gIR->ir->CreateStore(rhs, lhs); |
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1336 } |
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1337 } |
|
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1338 |
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1339 ////////////////////////////////////////////////////////////////////////////////////////// |
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1340 |
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1341 llvm::ConstantInt* LLVM_DtoConstSize_t(size_t i) |
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1342 { |
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1343 return llvm::ConstantInt::get(LLVM_DtoSize_t(), i, false); |
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1344 } |
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1345 llvm::ConstantInt* LLVM_DtoConstUint(unsigned i) |
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1346 { |
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1347 return llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false); |
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1348 } |
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1349 |
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1350 ////////////////////////////////////////////////////////////////////////////////////////// |
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1351 |
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1352 llvm::Constant* LLVM_DtoConstString(const char* str) |
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1353 { |
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1354 std::string s(str); |
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1355 llvm::Constant* init = llvm::ConstantArray::get(s, true); |
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1356 llvm::GlobalVariable* gvar = new llvm::GlobalVariable( |
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1357 init->getType(), true,llvm::GlobalValue::InternalLinkage, init, "stringliteral", gIR->module); |
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1358 llvm::Constant* idxs[2] = { LLVM_DtoConstUint(0), LLVM_DtoConstUint(0) }; |
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1359 return LLVM_DtoConstSlice( |
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1360 LLVM_DtoConstSize_t(s.length()), |
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1361 llvm::ConstantExpr::getGetElementPtr(gvar,idxs,2) |
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1362 ); |
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1363 } |
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1364 |
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1365 ////////////////////////////////////////////////////////////////////////////////////////// |
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1366 |
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1367 void LLVM_DtoMemCpy(llvm::Value* dst, llvm::Value* src, llvm::Value* nbytes) |
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1368 { |
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1369 assert(dst->getType() == src->getType()); |
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1370 |
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1371 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
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1372 llvm::Value *dstarr, *srcarr; |
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1373 if (dst->getType() == arrty) |
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1374 { |
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1375 dstarr = dst; |
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1376 srcarr = src; |
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1377 } |
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1378 else |
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1379 { |
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1380 dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
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1381 srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); |
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1382 } |
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1383 |
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1384 llvm::Function* fn = (global.params.is64bit) ? LLVM_DeclareMemCpy64() : LLVM_DeclareMemCpy32(); |
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1385 std::vector<llvm::Value*> llargs; |
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1386 llargs.resize(4); |
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1387 llargs[0] = dstarr; |
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1388 llargs[1] = srcarr; |
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1389 llargs[2] = nbytes; |
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1390 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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1391 |
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1392 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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1393 } |