Mercurial > projects > ldc
annotate gen/tollvm.cpp @ 93:08508eebbb3e trunk
[svn r97] Fixed bug with main(string[] args) on 32 bit systems. 64bit worked.
| author | lindquist |
|---|---|
| date | Thu, 08 Nov 2007 19:21:05 +0100 |
| parents | 70d6113eeb8c |
| children | 61615fa85940 |
| 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/arrays.h" |
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16 #include "gen/dvalue.h" |
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17 #include "gen/structs.h" |
| 1 | 18 |
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19 bool DtoIsPassedByRef(Type* type) |
| 40 | 20 { |
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21 TY t = DtoDType(type)->ty; |
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22 return (t == Tstruct || t == Tarray || t == Tdelegate || t == Tsarray); |
| 40 | 23 } |
| 24 | |
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25 Type* DtoDType(Type* t) |
| 40 | 26 { |
| 27 if (t->ty == Ttypedef) { | |
| 28 Type* bt = t->toBasetype(); | |
| 29 assert(bt); | |
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30 return DtoDType(bt); |
| 40 | 31 } |
| 32 return t; | |
| 33 } | |
| 34 | |
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35 const llvm::Type* DtoType(Type* t) |
| 1 | 36 { |
| 37 assert(t); | |
| 38 switch (t->ty) | |
| 39 { | |
| 40 // integers | |
| 41 case Tint8: | |
| 42 case Tuns8: | |
| 43 case Tchar: | |
| 44 return (const llvm::Type*)llvm::Type::Int8Ty; | |
| 45 case Tint16: | |
| 46 case Tuns16: | |
| 47 case Twchar: | |
| 48 return (const llvm::Type*)llvm::Type::Int16Ty; | |
| 49 case Tint32: | |
| 50 case Tuns32: | |
| 51 case Tdchar: | |
| 52 return (const llvm::Type*)llvm::Type::Int32Ty; | |
| 53 case Tint64: | |
| 54 case Tuns64: | |
| 55 return (const llvm::Type*)llvm::Type::Int64Ty; | |
| 56 | |
| 57 case Tbool: | |
| 58 return (const llvm::Type*)llvm::ConstantInt::getTrue()->getType(); | |
| 59 | |
| 60 // floats | |
| 61 case Tfloat32: | |
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62 case Timaginary32: |
| 1 | 63 return llvm::Type::FloatTy; |
| 64 case Tfloat64: | |
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65 case Timaginary64: |
| 1 | 66 case Tfloat80: |
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67 case Timaginary80: |
| 1 | 68 return llvm::Type::DoubleTy; |
| 69 | |
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70 // complex |
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71 case Tcomplex32: |
| 90 | 72 return DtoComplexType(llvm::Type::FloatTy); |
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73 case Tcomplex64: |
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74 case Tcomplex80: |
| 90 | 75 return DtoComplexType(llvm::Type::DoubleTy); |
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76 |
| 1 | 77 // pointers |
| 78 case Tpointer: { | |
| 79 assert(t->next); | |
| 80 if (t->next->ty == Tvoid) | |
| 81 return (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 82 else | |
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83 return (const llvm::Type*)llvm::PointerType::get(DtoType(t->next)); |
| 1 | 84 } |
| 85 | |
| 86 // arrays | |
| 87 case Tarray: | |
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88 return DtoArrayType(t); |
| 1 | 89 case Tsarray: |
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90 return DtoStaticArrayType(t); |
| 1 | 91 |
| 92 // void | |
| 93 case Tvoid: | |
| 94 return llvm::Type::VoidTy; | |
| 95 | |
| 96 // aggregates | |
| 97 case Tstruct: { | |
| 98 if (t->llvmType == 0) | |
| 99 { | |
| 100 // recursive or cyclic declaration | |
| 101 if (!gIR->structs.empty()) | |
| 102 { | |
| 103 IRStruct* found = 0; | |
| 104 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 105 { | |
| 106 if (t == i->type) | |
| 107 { | |
| 108 return i->recty.get(); | |
| 109 } | |
| 110 } | |
| 111 } | |
| 112 | |
| 113 // forward declaration | |
| 114 TypeStruct* ts = (TypeStruct*)t; | |
| 115 assert(ts->sym); | |
| 116 ts->sym->toObjFile(); | |
| 117 } | |
| 118 return t->llvmType; | |
| 119 } | |
| 120 | |
| 121 case Tclass: { | |
| 122 if (t->llvmType == 0) | |
| 123 { | |
| 6 | 124 // recursive or cyclic declaration |
| 125 if (!gIR->structs.empty()) | |
| 126 { | |
| 127 IRStruct* found = 0; | |
| 128 for (IRState::StructVector::iterator i=gIR->structs.begin(); i!=gIR->structs.end(); ++i) | |
| 129 { | |
| 130 if (t == i->type) | |
| 131 { | |
| 132 return llvm::PointerType::get(i->recty.get()); | |
| 133 } | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 // forward declaration | |
| 1 | 138 TypeClass* tc = (TypeClass*)t; |
| 139 assert(tc->sym); | |
| 6 | 140 tc->sym->toObjFile(); |
| 1 | 141 } |
| 142 return llvm::PointerType::get(t->llvmType); | |
| 143 } | |
| 144 | |
| 145 // functions | |
| 146 case Tfunction: | |
| 147 { | |
| 148 if (t->llvmType == 0) { | |
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149 return DtoFunctionType(t,NULL); |
| 1 | 150 } |
| 151 else { | |
| 152 return t->llvmType; | |
| 153 } | |
| 154 } | |
| 6 | 155 |
| 1 | 156 // delegates |
| 157 case Tdelegate: | |
| 158 { | |
| 159 if (t->llvmType == 0) { | |
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160 return DtoDelegateType(t); |
| 1 | 161 } |
| 162 else { | |
| 163 return t->llvmType; | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 // typedefs | |
| 52 | 168 // enum |
| 1 | 169 case Ttypedef: |
| 52 | 170 case Tenum: |
| 1 | 171 { |
| 172 Type* bt = t->toBasetype(); | |
| 173 assert(bt); | |
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174 return DtoType(bt); |
| 1 | 175 } |
| 176 | |
| 177 default: | |
| 178 printf("trying to convert unknown type with value %d\n", t->ty); | |
| 179 assert(0); | |
| 180 } | |
| 181 return 0; | |
| 182 } | |
| 183 | |
| 184 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 185 | |
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186 const llvm::FunctionType* DtoFunctionType(Type* type, const llvm::Type* thistype, bool ismain) |
| 1 | 187 { |
| 72 | 188 TypeFunction* f = (TypeFunction*)type; |
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189 assert(f != 0); |
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190 |
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191 bool typesafeVararg = false; |
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192 if (f->linkage == LINKd && f->varargs == 1) { |
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193 typesafeVararg = true; |
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194 } |
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195 |
| 1 | 196 // return value type |
| 197 const llvm::Type* rettype; | |
| 198 const llvm::Type* actualRettype; | |
| 199 Type* rt = f->next; | |
| 200 bool retinptr = false; | |
| 201 bool usesthis = false; | |
| 202 | |
| 72 | 203 if (ismain) { |
| 1 | 204 rettype = llvm::Type::Int32Ty; |
| 205 actualRettype = rettype; | |
| 206 } | |
| 72 | 207 else { |
| 208 assert(rt); | |
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209 if (DtoIsPassedByRef(rt)) { |
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210 rettype = llvm::PointerType::get(DtoType(rt)); |
| 1 | 211 actualRettype = llvm::Type::VoidTy; |
| 212 f->llvmRetInPtr = retinptr = true; | |
| 213 } | |
| 214 else { | |
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215 rettype = DtoType(rt); |
| 1 | 216 actualRettype = rettype; |
| 217 } | |
| 218 } | |
| 219 | |
| 220 // parameter types | |
| 221 std::vector<const llvm::Type*> paramvec; | |
| 222 | |
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223 if (retinptr) { |
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224 Logger::cout() << "returning through pointer parameter: " << *rettype << '\n'; |
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225 paramvec.push_back(rettype); |
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226 } |
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227 |
| 72 | 228 if (thistype) { |
| 229 paramvec.push_back(thistype); | |
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230 usesthis = true; |
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231 } |
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232 |
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233 if (typesafeVararg) { |
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234 ClassDeclaration* ti = Type::typeinfo; |
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235 if (!ti->llvmInitZ) |
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236 ti->toObjFile(); |
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237 assert(ti->llvmInitZ); |
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238 std::vector<const llvm::Type*> types; |
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239 types.push_back(DtoSize_t()); |
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240 types.push_back(llvm::PointerType::get(llvm::PointerType::get(ti->llvmInitZ->getType()))); |
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241 const llvm::Type* t1 = llvm::StructType::get(types); |
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242 paramvec.push_back(llvm::PointerType::get(t1)); |
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243 paramvec.push_back(llvm::PointerType::get(llvm::Type::Int8Ty)); |
| 1 | 244 } |
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245 |
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246 size_t n = Argument::dim(f->parameters); |
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247 |
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248 for (int i=0; i < n; ++i) { |
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249 Argument* arg = Argument::getNth(f->parameters, i); |
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250 // ensure scalar |
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251 Type* argT = DtoDType(arg->type); |
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252 assert(argT); |
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253 |
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254 if ((arg->storageClass & STCref) || (arg->storageClass & STCout)) { |
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255 //assert(arg->vardecl); |
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256 //arg->vardecl->refparam = true; |
| 9 | 257 } |
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258 else |
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259 arg->llvmCopy = true; |
| 1 | 260 |
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261 const llvm::Type* at = DtoType(argT); |
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262 if (llvm::isa<llvm::StructType>(at)) { |
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263 Logger::println("struct param"); |
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264 paramvec.push_back(llvm::PointerType::get(at)); |
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265 } |
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266 else if (llvm::isa<llvm::ArrayType>(at)) { |
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267 Logger::println("sarray param"); |
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268 assert(argT->ty == Tsarray); |
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269 //paramvec.push_back(llvm::PointerType::get(at->getContainedType(0))); |
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270 paramvec.push_back(llvm::PointerType::get(at)); |
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271 } |
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272 else if (llvm::isa<llvm::OpaqueType>(at)) { |
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273 Logger::println("opaque param"); |
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274 if (argT->ty == Tstruct || argT->ty == Tclass) |
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275 paramvec.push_back(llvm::PointerType::get(at)); |
| 40 | 276 else |
| 277 assert(0); | |
| 278 } | |
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279 /*if (llvm::isa<llvm::StructType>(at) || argT->ty == Tstruct || argT->ty == Tsarray) { |
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280 paramvec.push_back(llvm::PointerType::get(at)); |
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281 }*/ |
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282 else { |
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283 if (!arg->llvmCopy) { |
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284 Logger::println("ref param"); |
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285 at = llvm::PointerType::get(at); |
| 1 | 286 } |
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287 else { |
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288 Logger::println("in param"); |
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289 } |
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290 paramvec.push_back(at); |
| 1 | 291 } |
| 292 } | |
| 293 | |
| 294 // construct function type | |
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295 bool isvararg = !typesafeVararg && f->varargs; |
| 1 | 296 llvm::FunctionType* functype = llvm::FunctionType::get(actualRettype, paramvec, isvararg); |
| 297 | |
| 9 | 298 f->llvmRetInPtr = retinptr; |
| 299 f->llvmUsesThis = usesthis; | |
| 1 | 300 return functype; |
| 301 } | |
| 302 | |
| 303 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 304 | |
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305 static const llvm::FunctionType* DtoVaFunctionType(FuncDeclaration* fdecl) |
| 72 | 306 { |
| 307 TypeFunction* f = (TypeFunction*)fdecl->type; | |
| 308 assert(f != 0); | |
| 309 | |
| 310 const llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 311 std::vector<const llvm::Type*> args; | |
| 312 | |
| 313 if (fdecl->llvmInternal == LLVMva_start) { | |
| 314 args.push_back(i8pty); | |
| 315 } | |
| 316 else if (fdecl->llvmInternal == LLVMva_intrinsic) { | |
| 317 size_t n = Argument::dim(f->parameters); | |
| 318 for (size_t i=0; i<n; ++i) { | |
| 319 args.push_back(i8pty); | |
| 320 } | |
| 321 } | |
| 322 else | |
| 323 assert(0); | |
| 324 | |
| 325 const llvm::FunctionType* fty = llvm::FunctionType::get(llvm::Type::VoidTy, args, false); | |
| 326 f->llvmType = fty; | |
| 327 return fty; | |
| 328 } | |
| 329 | |
| 330 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 331 | |
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332 const llvm::FunctionType* DtoFunctionType(FuncDeclaration* fdecl) |
| 72 | 333 { |
| 334 if ((fdecl->llvmInternal == LLVMva_start) || (fdecl->llvmInternal == LLVMva_intrinsic)) { | |
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335 return DtoVaFunctionType(fdecl); |
| 72 | 336 } |
| 337 | |
| 338 // type has already been resolved | |
| 339 if (fdecl->type->llvmType != 0) { | |
| 340 return llvm::cast<llvm::FunctionType>(fdecl->type->llvmType); | |
| 341 } | |
| 342 | |
| 343 const llvm::Type* thisty = NULL; | |
| 344 if (fdecl->needThis()) { | |
| 345 if (AggregateDeclaration* ad = fdecl->isMember()) { | |
| 346 Logger::print("isMember = this is: %s\n", ad->type->toChars()); | |
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347 thisty = DtoType(ad->type); |
| 72 | 348 Logger::cout() << "this llvm type: " << *thisty << '\n'; |
| 349 if (llvm::isa<llvm::StructType>(thisty) || thisty == gIR->topstruct().recty.get()) | |
| 350 thisty = llvm::PointerType::get(thisty); | |
| 351 } | |
| 352 else | |
| 353 assert(0); | |
| 354 } | |
| 355 else if (fdecl->isNested()) { | |
| 356 thisty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 357 } | |
| 358 | |
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359 const llvm::FunctionType* functype = DtoFunctionType(fdecl->type, thisty, fdecl->isMain()); |
| 72 | 360 fdecl->type->llvmType = functype; |
| 361 return functype; | |
| 362 } | |
| 363 | |
| 364 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 365 | |
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366 const llvm::StructType* DtoDelegateType(Type* t) |
| 1 | 367 { |
| 368 const llvm::Type* i8ptr = llvm::PointerType::get(llvm::Type::Int8Ty); | |
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369 const llvm::Type* func = DtoFunctionType(t->next, i8ptr); |
| 1 | 370 const llvm::Type* funcptr = llvm::PointerType::get(func); |
| 371 | |
| 372 std::vector<const llvm::Type*> types; | |
| 373 types.push_back(i8ptr); | |
| 374 types.push_back(funcptr); | |
| 375 return llvm::StructType::get(types); | |
| 376 } | |
| 377 | |
| 378 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 379 | |
| 90 | 380 const llvm::StructType* DtoComplexType(const llvm::Type* base) |
| 381 { | |
| 382 std::vector<const llvm::Type*> types; | |
| 383 types.push_back(base); | |
| 384 types.push_back(base); | |
| 385 return llvm::StructType::get(types); | |
| 386 } | |
| 387 | |
| 388 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 389 | |
| 1 | 390 static llvm::Function* LLVM_DeclareMemIntrinsic(const char* name, int bits, bool set=false) |
| 391 { | |
| 392 assert(bits == 32 || bits == 64); | |
| 393 const llvm::Type* int8ty = (const llvm::Type*)llvm::Type::Int8Ty; | |
| 394 const llvm::Type* int32ty = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 395 const llvm::Type* int64ty = (const llvm::Type*)llvm::Type::Int64Ty; | |
| 396 const llvm::Type* int8ptrty = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 397 const llvm::Type* voidty = (const llvm::Type*)llvm::Type::VoidTy; | |
| 398 | |
| 399 assert(gIR); | |
| 400 assert(gIR->module); | |
| 401 | |
| 402 // parameter types | |
| 403 std::vector<const llvm::Type*> pvec; | |
| 404 pvec.push_back(int8ptrty); | |
| 405 pvec.push_back(set?int8ty:int8ptrty); | |
| 406 pvec.push_back(bits==32?int32ty:int64ty); | |
| 407 pvec.push_back(int32ty); | |
| 408 llvm::FunctionType* functype = llvm::FunctionType::get(voidty, pvec, false); | |
| 409 return new llvm::Function(functype, llvm::GlobalValue::ExternalLinkage, name, gIR->module); | |
| 410 } | |
| 411 | |
| 412 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 413 | |
| 414 // llvm.memset.i32 | |
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415 llvm::Function* LLVM_DeclareMemSet32() |
| 1 | 416 { |
| 417 static llvm::Function* _func = 0; | |
| 418 if (_func == 0) { | |
| 419 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i32", 32, true); | |
| 420 } | |
| 421 return _func; | |
| 422 } | |
| 423 | |
| 424 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 425 | |
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426 llvm::Function* LLVM_DeclareMemSet64() |
| 1 | 427 { |
| 428 static llvm::Function* _func = 0; | |
| 429 if (_func == 0) { | |
| 430 _func = LLVM_DeclareMemIntrinsic("llvm.memset.i64", 64, true); | |
| 431 } | |
| 432 return _func; | |
| 433 } | |
| 434 | |
| 435 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 436 | |
| 437 // llvm.memcpy.i32 | |
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438 llvm::Function* LLVM_DeclareMemCpy32() |
| 1 | 439 { |
| 440 static llvm::Function* _func = 0; | |
| 441 if (_func == 0) { | |
| 442 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i32", 32); | |
| 443 } | |
| 444 return _func; | |
| 445 } | |
| 446 | |
| 447 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 448 | |
| 449 // llvm.memcpy.i64 | |
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450 llvm::Function* LLVM_DeclareMemCpy64() |
| 1 | 451 { |
| 452 static llvm::Function* _func = 0; | |
| 453 if (_func == 0) { | |
| 454 _func = LLVM_DeclareMemIntrinsic("llvm.memcpy.i64", 64); | |
| 455 } | |
| 456 return _func; | |
| 457 } | |
| 458 | |
| 459 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 460 | |
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461 llvm::Value* DtoNullDelegate(llvm::Value* v) |
| 1 | 462 { |
| 463 assert(gIR); | |
| 464 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 465 | |
| 466 llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 467 | |
| 468 llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb()); | |
| 469 | |
| 470 llvm::Function* fn = LLVM_DeclareMemSet32(); | |
| 471 std::vector<llvm::Value*> llargs; | |
| 472 llargs.resize(4); | |
| 473 llargs[0] = arr; | |
| 474 llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false); | |
| 475 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 476 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 477 | |
| 478 llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 479 | |
| 480 return ret; | |
| 481 } | |
| 482 | |
| 483 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 484 | |
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485 llvm::Value* DtoDelegateCopy(llvm::Value* dst, llvm::Value* src) |
| 1 | 486 { |
| 487 assert(dst->getType() == src->getType()); | |
| 488 assert(gIR); | |
| 489 | |
| 490 d_uns64 n = (global.params.is64bit) ? 16 : 8; | |
| 491 | |
| 492 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 493 | |
| 494 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); | |
| 495 llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); | |
| 496 | |
| 497 llvm::Function* fn = LLVM_DeclareMemCpy32(); | |
| 498 std::vector<llvm::Value*> llargs; | |
| 499 llargs.resize(4); | |
| 500 llargs[0] = dstarr; | |
| 501 llargs[1] = srcarr; | |
| 502 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); | |
| 503 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); | |
| 504 | |
| 505 return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 506 } | |
| 507 | |
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508 ////////////////////////////////////////////////////////////////////////////////////////// |
| 1 | 509 |
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510 llvm::Value* DtoCompareDelegate(TOK op, llvm::Value* lhs, llvm::Value* rhs) |
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511 { |
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512 llvm::ICmpInst::Predicate pred = (op == TOKequal) ? llvm::ICmpInst::ICMP_EQ : llvm::ICmpInst::ICMP_NE; |
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513 llvm::Value* l = gIR->ir->CreateLoad(DtoGEPi(lhs,0,0,"tmp"),"tmp"); |
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514 llvm::Value* r = gIR->ir->CreateLoad(DtoGEPi(rhs,0,0,"tmp"),"tmp"); |
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515 llvm::Value* b1 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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516 l = gIR->ir->CreateLoad(DtoGEPi(lhs,0,1,"tmp"),"tmp"); |
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517 r = gIR->ir->CreateLoad(DtoGEPi(rhs,0,1,"tmp"),"tmp"); |
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518 llvm::Value* b2 = gIR->ir->CreateICmp(pred,l,r,"tmp"); |
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519 llvm::Value* b = gIR->ir->CreateAnd(b1,b2,"tmp"); |
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520 if (op == TOKnotequal) |
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521 return gIR->ir->CreateNot(b,"tmp"); |
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522 return b; |
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523 } |
| 1 | 524 |
| 525 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 526 | |
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527 llvm::GlobalValue::LinkageTypes DtoLinkage(PROT prot, uint stc) |
| 1 | 528 { |
| 529 switch(prot) | |
| 530 { | |
| 531 case PROTprivate: | |
| 532 return llvm::GlobalValue::InternalLinkage; | |
| 533 | |
| 534 case PROTpublic: | |
| 535 case PROTpackage: | |
| 536 case PROTprotected: | |
| 537 case PROTexport: | |
| 538 return llvm::GlobalValue::ExternalLinkage; | |
| 539 | |
| 540 case PROTundefined: | |
| 541 case PROTnone: | |
| 542 assert(0 && "Unsupported linkage type"); | |
| 543 } | |
| 544 return llvm::GlobalValue::ExternalLinkage; | |
| 545 | |
| 546 /* ExternalLinkage = 0, LinkOnceLinkage, WeakLinkage, AppendingLinkage, | |
| 547 InternalLinkage, DLLImportLinkage, DLLExportLinkage, ExternalWeakLinkage, | |
| 548 GhostLinkage */ | |
| 549 } | |
| 550 | |
| 551 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 552 | |
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553 unsigned DtoCallingConv(LINK l) |
| 1 | 554 { |
| 555 if (l == LINKc) | |
| 556 return llvm::CallingConv::C; | |
| 557 else if (l == LINKd || l == LINKdefault) | |
| 558 return llvm::CallingConv::Fast; | |
| 559 else if (l == LINKwindows) | |
| 560 return llvm::CallingConv::X86_StdCall; | |
| 561 else | |
| 562 assert(0 && "Unsupported calling convention"); | |
| 563 } | |
| 564 | |
| 565 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 566 | |
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567 llvm::Value* DtoPointedType(llvm::Value* ptr, llvm::Value* val) |
| 1 | 568 { |
| 569 const llvm::Type* ptrTy = ptr->getType()->getContainedType(0); | |
| 570 const llvm::Type* valTy = val->getType(); | |
| 571 // ptr points to val's type | |
| 572 if (ptrTy == valTy) | |
| 573 { | |
| 574 return val; | |
| 575 } | |
| 576 // ptr is integer pointer | |
| 577 else if (ptrTy->isInteger()) | |
| 578 { | |
| 579 // val is integer | |
| 580 assert(valTy->isInteger()); | |
| 581 const llvm::IntegerType* pt = llvm::cast<const llvm::IntegerType>(ptrTy); | |
| 582 const llvm::IntegerType* vt = llvm::cast<const llvm::IntegerType>(valTy); | |
| 583 if (pt->getBitWidth() < vt->getBitWidth()) { | |
| 584 return new llvm::TruncInst(val, pt, "tmp", gIR->scopebb()); | |
| 585 } | |
| 586 else | |
| 587 assert(0); | |
| 588 } | |
| 589 // something else unsupported | |
| 590 else | |
| 591 { | |
| 592 Logger::cout() << *ptrTy << '|' << *valTy << '\n'; | |
| 593 assert(0); | |
| 594 } | |
| 595 return 0; | |
| 596 } | |
| 597 | |
| 598 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 599 | |
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600 llvm::Value* DtoBoolean(llvm::Value* val) |
| 1 | 601 { |
| 602 const llvm::Type* t = val->getType(); | |
| 603 if (t->isInteger()) | |
| 604 { | |
| 605 if (t == llvm::Type::Int1Ty) | |
| 606 return val; | |
| 607 else { | |
| 608 llvm::Value* zero = llvm::ConstantInt::get(t, 0, false); | |
| 609 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, val, zero, "tmp", gIR->scopebb()); | |
| 610 } | |
| 611 } | |
| 612 else if (llvm::isa<llvm::PointerType>(t)) { | |
|
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613 const llvm::Type* st = DtoSize_t(); |
| 1 | 614 llvm::Value* ptrasint = new llvm::PtrToIntInst(val,st,"tmp",gIR->scopebb()); |
| 615 llvm::Value* zero = llvm::ConstantInt::get(st, 0, false); | |
| 616 return new llvm::ICmpInst(llvm::ICmpInst::ICMP_NE, ptrasint, zero, "tmp", gIR->scopebb()); | |
| 617 } | |
| 618 else | |
| 619 { | |
| 620 Logger::cout() << *t << '\n'; | |
| 621 } | |
| 622 assert(0); | |
| 623 return 0; | |
| 624 } | |
| 625 | |
| 626 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 627 | |
|
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628 const llvm::Type* DtoSize_t() |
| 1 | 629 { |
| 630 if (global.params.is64bit) | |
| 631 return llvm::Type::Int64Ty; | |
| 632 else | |
| 633 return llvm::Type::Int32Ty; | |
| 634 } | |
| 635 | |
| 636 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 637 | |
|
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638 void DtoMain() |
| 1 | 639 { |
| 640 // emit main function llvm style | |
| 641 // int main(int argc, char**argv, char**env); | |
| 642 | |
| 643 assert(gIR != 0); | |
| 644 IRState& ir = *gIR; | |
| 645 | |
| 646 assert(ir.emitMain && ir.mainFunc); | |
| 647 | |
| 648 // parameter types | |
| 649 std::vector<const llvm::Type*> pvec; | |
| 650 pvec.push_back((const llvm::Type*)llvm::Type::Int32Ty); | |
| 651 const llvm::Type* chPtrType = (const llvm::Type*)llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 652 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 653 pvec.push_back((const llvm::Type*)llvm::PointerType::get(chPtrType)); | |
| 654 const llvm::Type* rettype = (const llvm::Type*)llvm::Type::Int32Ty; | |
| 655 | |
| 656 llvm::FunctionType* functype = llvm::FunctionType::get(rettype, pvec, false); | |
| 657 llvm::Function* func = new llvm::Function(functype,llvm::GlobalValue::ExternalLinkage,"main",ir.module); | |
| 658 | |
| 659 llvm::BasicBlock* bb = new llvm::BasicBlock("entry",func); | |
| 660 | |
| 661 // call static ctors | |
| 662 llvm::Function* fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_ctors"); | |
| 91 | 663 llvm::Instruction* apt = new llvm::CallInst(fn,"",bb); |
| 1 | 664 |
| 665 // call user main function | |
| 91 | 666 const llvm::FunctionType* mainty = ir.mainFunc->getFunctionType(); |
| 667 llvm::CallInst* call; | |
| 668 if (mainty->getNumParams() > 0) | |
| 669 { | |
| 670 // main with arguments | |
| 671 assert(mainty->getNumParams() == 1); | |
| 672 std::vector<llvm::Value*> args; | |
| 673 llvm::Function* mfn = LLVM_D_GetRuntimeFunction(ir.module,"_d_main_args"); | |
| 674 | |
| 675 llvm::Function::arg_iterator argi = func->arg_begin(); | |
| 676 args.push_back(argi++); | |
| 677 args.push_back(argi++); | |
| 678 | |
| 679 const llvm::Type* at = mainty->getParamType(0)->getContainedType(0); | |
| 680 llvm::Value* arr = new llvm::AllocaInst(at->getContainedType(1)->getContainedType(0), func->arg_begin(), "argstorage", apt); | |
| 681 llvm::Value* a = new llvm::AllocaInst(at, "argarray", apt); | |
| 682 llvm::Value* ptr = DtoGEPi(a,0,0,"tmp",bb); | |
|
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683 llvm::Value* v = args[0]; |
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684 if (v->getType() != DtoSize_t()) |
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685 v = new llvm::ZExtInst(v, DtoSize_t(), "tmp", bb); |
| 91 | 686 new llvm::StoreInst(v,ptr,bb); |
| 687 ptr = DtoGEPi(a,0,1,"tmp",bb); | |
| 688 new llvm::StoreInst(arr,ptr,bb); | |
| 689 args.push_back(a); | |
| 690 new llvm::CallInst(mfn, args.begin(), args.end(), "", bb); | |
| 691 call = new llvm::CallInst(ir.mainFunc,a,"ret",bb); | |
| 692 } | |
| 693 else | |
| 694 { | |
| 695 // main with no arguments | |
| 696 call = new llvm::CallInst(ir.mainFunc,"ret",bb); | |
| 697 } | |
| 1 | 698 call->setCallingConv(ir.mainFunc->getCallingConv()); |
| 699 | |
| 700 // call static dtors | |
| 701 fn = LLVM_D_GetRuntimeFunction(ir.module,"_d_run_module_dtors"); | |
| 702 new llvm::CallInst(fn,"",bb); | |
| 703 | |
| 704 // return | |
| 705 new llvm::ReturnInst(call,bb); | |
| 706 } | |
| 707 | |
| 708 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 709 | |
|
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710 void DtoCallClassDtors(TypeClass* tc, llvm::Value* instance) |
| 1 | 711 { |
| 712 Array* arr = &tc->sym->dtors; | |
| 713 for (size_t i=0; i<arr->dim; i++) | |
| 714 { | |
| 715 FuncDeclaration* fd = (FuncDeclaration*)arr->data[i]; | |
| 716 assert(fd->llvmValue); | |
| 717 new llvm::CallInst(fd->llvmValue, instance, "", gIR->scopebb()); | |
| 718 } | |
| 719 } | |
| 720 | |
| 721 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 722 | |
|
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723 void DtoInitClass(TypeClass* tc, llvm::Value* dst) |
| 1 | 724 { |
| 725 assert(gIR); | |
| 726 | |
| 727 assert(tc->llvmType); | |
|
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728 uint64_t size_t_size = gTargetData->getTypeSize(DtoSize_t()); |
|
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729 uint64_t n = gTargetData->getTypeSize(tc->llvmType) - size_t_size; |
| 1 | 730 |
|
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731 // set vtable field |
|
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732 llvm::Value* vtblvar = DtoGEPi(dst,0,0,"tmp",gIR->scopebb()); |
|
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733 assert(tc->sym->llvmVtbl); |
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734 new llvm::StoreInst(tc->sym->llvmVtbl, vtblvar, gIR->scopebb()); |
|
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735 |
|
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736 // copy the static initializer |
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737 if (n > 0) { |
|
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738 assert(tc->llvmInit); |
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739 assert(dst->getType() == tc->llvmInit->getType()); |
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740 |
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741 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
| 1 | 742 |
|
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743 llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
|
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744 dstarr = DtoGEPi(dstarr,size_t_size,"tmp",gIR->scopebb()); |
|
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745 |
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746 llvm::Value* srcarr = new llvm::BitCastInst(tc->llvmInit,arrty,"tmp",gIR->scopebb()); |
|
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747 srcarr = DtoGEPi(srcarr,size_t_size,"tmp",gIR->scopebb()); |
| 1 | 748 |
|
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749 llvm::Function* fn = LLVM_DeclareMemCpy32(); |
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750 std::vector<llvm::Value*> llargs; |
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751 llargs.resize(4); |
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752 llargs[0] = dstarr; |
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753 llargs[1] = srcarr; |
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754 llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false); |
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755 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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756 |
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757 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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758 } |
| 1 | 759 } |
| 760 | |
| 761 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 762 | |
|
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763 llvm::Constant* DtoConstInitializer(Type* type, Initializer* init) |
| 1 | 764 { |
|
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765 llvm::Constant* _init = 0; // may return zero |
| 1 | 766 if (!init) |
| 767 { | |
| 40 | 768 Logger::println("const default initializer for %s", type->toChars()); |
| 769 _init = type->defaultInit()->toConstElem(gIR); | |
| 1 | 770 } |
| 771 else if (ExpInitializer* ex = init->isExpInitializer()) | |
| 772 { | |
| 40 | 773 Logger::println("const expression initializer"); |
| 774 _init = ex->exp->toConstElem(gIR); | |
| 1 | 775 } |
| 776 else if (StructInitializer* si = init->isStructInitializer()) | |
| 777 { | |
| 40 | 778 Logger::println("const struct initializer"); |
|
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779 _init = DtoConstStructInitializer(si); |
| 1 | 780 } |
| 781 else if (ArrayInitializer* ai = init->isArrayInitializer()) | |
| 782 { | |
| 40 | 783 Logger::println("const array initializer"); |
|
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784 _init = DtoConstArrayInitializer(ai); |
| 1 | 785 } |
| 786 else if (init->isVoidInitializer()) | |
| 787 { | |
| 40 | 788 Logger::println("const void initializer"); |
|
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789 const llvm::Type* ty = DtoType(type); |
| 1 | 790 _init = llvm::Constant::getNullValue(ty); |
| 791 } | |
| 792 else { | |
| 40 | 793 Logger::println("unsupported const initializer: %s", init->toChars()); |
| 794 } | |
| 795 return _init; | |
| 796 } | |
| 797 | |
| 798 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 799 | |
| 92 | 800 DValue* DtoInitializer(Initializer* init, DValue* v) |
| 40 | 801 { |
| 802 if (ExpInitializer* ex = init->isExpInitializer()) | |
| 803 { | |
| 804 Logger::println("expression initializer"); | |
| 92 | 805 assert(ex->exp); |
| 806 if (v) gIR->exps.push_back(IRExp(NULL,ex->exp,v)); | |
|
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807 return ex->exp->toElem(gIR); |
| 92 | 808 if (v) gIR->exps.pop_back(); |
|
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809 } |
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810 else if (init->isVoidInitializer()) |
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811 { |
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812 // do nothing |
| 40 | 813 } |
| 814 else { | |
| 1 | 815 Logger::println("unsupported initializer: %s", init->toChars()); |
|
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816 assert(0); |
| 1 | 817 } |
|
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818 return 0; |
| 1 | 819 } |
| 6 | 820 |
|
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821 ////////////////////////////////////////////////////////////////////////////////////////// |
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822 |
|
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823 llvm::Value* DtoGEP(llvm::Value* ptr, llvm::Value* i0, llvm::Value* i1, const std::string& var, llvm::BasicBlock* bb) |
| 6 | 824 { |
| 825 std::vector<llvm::Value*> v(2); | |
| 826 v[0] = i0; | |
| 827 v[1] = i1; | |
|
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828 Logger::cout() << "DtoGEP: " << *ptr << '\n'; |
|
50
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829 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
| 6 | 830 } |
|
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831 |
|
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832 ////////////////////////////////////////////////////////////////////////////////////////// |
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833 |
|
81
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834 llvm::Value* DtoGEP(llvm::Value* ptr, const std::vector<unsigned>& src, const std::string& var, llvm::BasicBlock* bb) |
|
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835 { |
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836 size_t n = src.size(); |
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837 std::vector<llvm::Value*> dst(n); |
| 40 | 838 std::ostream& ostr = Logger::cout(); |
| 839 ostr << "indices for '" << *ptr << "':"; | |
|
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840 for (size_t i=0; i<n; ++i) |
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841 { |
| 40 | 842 ostr << ' ' << i; |
|
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843 dst[i] = llvm::ConstantInt::get(llvm::Type::Int32Ty, src[i], false); |
|
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844 } |
| 40 | 845 ostr << '\n'; |
|
50
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846 return new llvm::GetElementPtrInst(ptr, dst.begin(), dst.end(), var, bb?bb:gIR->scopebb()); |
|
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847 } |
| 9 | 848 |
|
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849 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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|
850 |
|
81
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[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
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changeset
|
851 llvm::Value* DtoGEPi(llvm::Value* ptr, unsigned i, const std::string& var, llvm::BasicBlock* bb) |
|
11
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[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
852 { |
|
50
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
lindquist
parents:
49
diff
changeset
|
853 return new llvm::GetElementPtrInst(ptr, llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false), var, bb?bb:gIR->scopebb()); |
|
11
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[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
854 } |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
855 |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
856 ////////////////////////////////////////////////////////////////////////////////////////// |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
857 |
|
81
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[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
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changeset
|
858 llvm::Value* DtoGEPi(llvm::Value* ptr, unsigned i0, unsigned i1, const std::string& var, llvm::BasicBlock* bb) |
|
11
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[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
859 { |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
860 std::vector<llvm::Value*> v(2); |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
861 v[0] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i0, false); |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
862 v[1] = llvm::ConstantInt::get(llvm::Type::Int32Ty, i1, false); |
|
50
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[svn r54] Added support for nested delegates referencing parent's stack variables.
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diff
changeset
|
863 return new llvm::GetElementPtrInst(ptr, v.begin(), v.end(), var, bb?bb:gIR->scopebb()); |
|
11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
864 } |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
865 |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
866 ////////////////////////////////////////////////////////////////////////////////////////// |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
867 |
|
81
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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changeset
|
868 static llvm::Function* DtoDeclareVaFunction(FuncDeclaration* fdecl) |
|
55
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
changeset
|
869 { |
|
81
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[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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|
870 TypeFunction* f = (TypeFunction*)DtoDType(fdecl->type); |
|
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
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|
871 const llvm::FunctionType* fty = DtoVaFunctionType(fdecl); |
|
55
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
|
872 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:
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diff
changeset
|
873 |
|
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
|
874 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
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diff
changeset
|
875 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:
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diff
changeset
|
876 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:
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diff
changeset
|
877 } |
|
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
changeset
|
878 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
parents:
54
diff
changeset
|
879 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.
lindquist
parents:
54
diff
changeset
|
880 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:
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diff
changeset
|
881 } |
|
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
changeset
|
882 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:
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diff
changeset
|
883 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
changeset
|
884 |
|
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
|
885 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.
lindquist
parents:
54
diff
changeset
|
886 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
parents:
54
diff
changeset
|
887 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:
54
diff
changeset
|
888 fdecl->llvmValue = 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
parents:
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diff
changeset
|
889 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.
lindquist
parents:
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diff
changeset
|
890 } |
|
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
|
891 |
|
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
|
892 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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
|
893 |
|
81
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
parents:
78
diff
changeset
|
894 llvm::Function* DtoDeclareFunction(FuncDeclaration* fdecl) |
| 9 | 895 { |
|
55
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
|
896 if ((fdecl->llvmInternal == LLVMva_start) || (fdecl->llvmInternal == LLVMva_intrinsic)) { |
|
81
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
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changeset
|
897 return DtoDeclareVaFunction(fdecl); |
|
55
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
|
898 } |
|
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
|
899 |
|
27
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
900 // mangled name |
|
55
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
|
901 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.
lindquist
parents:
54
diff
changeset
|
902 if (fdecl->llvmInternal == LLVMintrinsic) |
|
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
|
903 mangled_name = fdecl->llvmInternal1; |
|
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
|
904 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
changeset
|
905 mangled_name = fdecl->mangle(); |
|
27
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
906 |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
907 // unit test special handling |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
908 if (fdecl->isUnitTestDeclaration()) |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
909 { |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
910 assert(0 && "no unittests yet"); |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
911 /*const llvm::FunctionType* fnty = llvm::FunctionType::get(llvm::Type::VoidTy, std::vector<const llvm::Type*>(), false); |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
912 // make the function |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
913 llvm::Function* func = gIR->module->getFunction(mangled_name); |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
914 if (func == 0) |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
915 func = new llvm::Function(fnty,llvm::GlobalValue::InternalLinkage,mangled_name,gIR->module); |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
916 func->setCallingConv(llvm::CallingConv::Fast); |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
917 fdecl->llvmValue = func; |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
918 return func; |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
919 */ |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
920 } |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
921 |
|
92408a3a2bac
[svn r31] * Fixed returning through hidden pointer was unable to report back the return value
lindquist
parents:
24
diff
changeset
|
922 // regular function |
|
81
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
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78
diff
changeset
|
923 TypeFunction* f = (TypeFunction*)DtoDType(fdecl->type); |
|
11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
924 assert(f != 0); |
|
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
925 |
| 9 | 926 if (fdecl->llvmValue != 0) { |
| 18 | 927 if (!llvm::isa<llvm::Function>(fdecl->llvmValue)) |
| 928 { | |
| 929 Logger::cout() << *fdecl->llvmValue << '\n'; | |
| 930 assert(0); | |
| 931 } | |
| 9 | 932 return llvm::cast<llvm::Function>(fdecl->llvmValue); |
| 933 } | |
| 934 | |
| 18 | 935 Logger::print("FuncDeclaration::toObjFile(%s): %s\n", fdecl->needThis()?"this":"static",fdecl->toChars()); |
| 9 | 936 LOG_SCOPE; |
| 937 | |
| 938 if (fdecl->llvmInternal == LLVMintrinsic && fdecl->fbody) { | |
| 939 error("intrinsics cannot have function bodies"); | |
| 940 fatal(); | |
| 941 } | |
| 942 | |
| 943 // construct function | |
|
81
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
parents:
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diff
changeset
|
944 const llvm::FunctionType* functype = (f->llvmType == 0) ? DtoFunctionType(fdecl) : llvm::cast<llvm::FunctionType>(f->llvmType); |
| 9 | 945 |
| 946 // make the function | |
| 947 llvm::Function* func = gIR->module->getFunction(mangled_name); | |
| 948 if (func == 0) { | |
|
81
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
parents:
78
diff
changeset
|
949 func = new llvm::Function(functype,DtoLinkage(fdecl->protection, fdecl->storage_class),mangled_name,gIR->module); |
| 9 | 950 } |
| 951 | |
| 952 if (fdecl->llvmInternal != LLVMintrinsic) | |
|
81
3587401b6eeb
[svn r85] Fixed: if a return statement appeared in the try block of a nested try-finally, only the inner-most finally block would be executed.
lindquist
parents:
78
diff
changeset
|
953 func->setCallingConv(DtoCallingConv(f->linkage)); |
| 9 | 954 |
| 955 fdecl->llvmValue = func; | |
| 956 f->llvmType = functype; | |
|
11
d3ee9efe20e2
[svn r15] * Fixed a bunch problems with virtual calls. Seems I did some rather poor testing.
lindquist
parents:
9
diff
changeset
|
957 assert(llvm::isa<llvm::FunctionType>(f->llvmType)); |
| 9 | 958 |
| 959 if (fdecl->isMain()) { | |
| 960 gIR->mainFunc = func; | |
| 961 } | |
| 962 | |
| 963 // name parameters | |
| 964 llvm::Function::arg_iterator iarg = func->arg_begin(); | |
| 965 int k = 0; | |
| 966 if (f->llvmRetInPtr) { | |
| 967 iarg->setName("retval"); | |
| 968 f->llvmRetArg = iarg; | |
| 969 ++iarg; | |
| 970 } | |
| 971 if (f->llvmUsesThis) { | |
| 972 iarg->setName("this"); | |
| 973 ++iarg; | |
| 974 } | |
|
57
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
diff
changeset
|
975 int varargs = -1; |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
diff
changeset
|
976 if (f->linkage == LINKd && f->varargs == 1) |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
diff
changeset
|
977 varargs = 0; |
| 9 | 978 for (; iarg != func->arg_end(); ++iarg) |
| 979 { | |
| 980 Argument* arg = Argument::getNth(f->parameters, k++); | |
| 981 //arg->llvmValue = iarg; | |
|
86
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
lindquist
parents:
85
diff
changeset
|
982 //Logger::println("identifier: '%s' %p\n", arg->ident->toChars(), arg->ident); |
|
57
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
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diff
changeset
|
983 if (arg && arg->ident != 0) { |
| 9 | 984 if (arg->vardecl) { |
| 985 arg->vardecl->llvmValue = iarg; | |
| 986 } | |
| 987 iarg->setName(arg->ident->toChars()); | |
| 988 } | |
|
57
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
diff
changeset
|
989 else if (!arg && varargs >= 0) { |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
diff
changeset
|
990 if (varargs == 0) { |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
diff
changeset
|
991 iarg->setName("_arguments"); |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
diff
changeset
|
992 fdecl->llvmArguments = iarg; |
|
a9d29e9f1fed
[svn r61] Added support for D-style variadic functions :)
lindquist
parents:
55
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|
993 } |
|
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994 else if (varargs == 1) { |
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995 iarg->setName("_argptr"); |
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996 fdecl->llvmArgPtr = iarg; |
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997 } |
|
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998 else |
|
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999 assert(0); |
|
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1000 varargs++; |
|
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1001 } |
| 9 | 1002 else { |
| 1003 iarg->setName("unnamed"); | |
| 1004 } | |
| 1005 } | |
| 1006 | |
|
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1007 Logger::cout() << "func decl: " << *func << '\n'; |
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1008 |
| 9 | 1009 return func; |
| 1010 } | |
|
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1011 |
|
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1012 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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|
1013 |
|
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|
1014 llvm::Value* DtoRealloc(llvm::Value* ptr, const llvm::Type* ty) |
| 34 | 1015 { |
| 1016 /*size_t sz = gTargetData->getTypeSize(ty); | |
|
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|
1017 llvm::ConstantInt* n = llvm::ConstantInt::get(DtoSize_t(), sz, false); |
| 34 | 1018 if (ptr == 0) { |
| 1019 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1020 ptr = llvm::ConstantPointerNull::get(i8pty); | |
| 1021 } | |
|
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1022 return DtoRealloc(ptr, n);*/ |
| 34 | 1023 return NULL; |
| 1024 } | |
| 1025 | |
| 1026 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1027 | |
|
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|
1028 llvm::Value* DtoRealloc(llvm::Value* ptr, llvm::Value* n) |
| 34 | 1029 { |
| 1030 assert(ptr); | |
| 1031 assert(n); | |
| 1032 | |
| 1033 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_realloc"); | |
| 1034 assert(fn); | |
| 1035 | |
| 1036 llvm::Value* newptr = ptr; | |
| 1037 | |
| 1038 llvm::PointerType* i8pty = llvm::PointerType::get(llvm::Type::Int8Ty); | |
| 1039 if (ptr->getType() != i8pty) { | |
| 1040 newptr = new llvm::BitCastInst(ptr,i8pty,"tmp",gIR->scopebb()); | |
| 1041 } | |
| 1042 | |
| 1043 std::vector<llvm::Value*> args; | |
| 1044 args.push_back(newptr); | |
| 1045 args.push_back(n); | |
| 1046 llvm::Value* ret = new llvm::CallInst(fn, args.begin(), args.end(), "tmprealloc", gIR->scopebb()); | |
| 1047 | |
| 1048 return ret->getType() == ptr->getType() ? ret : new llvm::BitCastInst(ret,ptr->getType(),"tmp",gIR->scopebb()); | |
| 1049 } | |
| 1050 | |
| 1051 ////////////////////////////////////////////////////////////////////////////////////////// | |
| 1052 | |
|
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|
1053 void DtoAssert(llvm::Value* cond, llvm::Value* loc, llvm::Value* msg) |
| 34 | 1054 { |
| 1055 assert(loc); | |
| 1056 std::vector<llvm::Value*> llargs; | |
| 1057 llargs.resize(3); | |
|
81
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|
1058 llargs[0] = cond ? DtoBoolean(cond) : llvm::ConstantInt::getFalse(); |
| 34 | 1059 llargs[1] = loc; |
| 1060 llargs[2] = msg ? msg : llvm::ConstantPointerNull::get(llvm::PointerType::get(llvm::Type::Int8Ty)); | |
| 1061 | |
| 1062 llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, "_d_assert"); | |
| 1063 assert(fn); | |
| 1064 llvm::CallInst* call = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); | |
| 1065 call->setCallingConv(llvm::CallingConv::C); | |
| 1066 } | |
| 1067 | |
| 40 | 1068 ////////////////////////////////////////////////////////////////////////////////////////// |
| 34 | 1069 |
|
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|
1070 llvm::Value* DtoArgument(const llvm::Type* paramtype, Argument* fnarg, Expression* argexp) |
| 40 | 1071 { |
| 1072 llvm::Value* retval = 0; | |
| 1073 | |
|
54
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|
1074 bool haslvals = !gIR->exps.empty(); |
| 40 | 1075 if (haslvals) |
|
54
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|
1076 gIR->exps.push_back(IRExp(NULL,NULL,NULL)); |
| 40 | 1077 |
|
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1078 DValue* arg = argexp->toElem(gIR); |
| 40 | 1079 |
| 1080 if (haslvals) | |
|
54
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|
1081 gIR->exps.pop_back(); |
| 40 | 1082 |
|
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|
1083 if (arg->inPlace()) { |
|
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|
1084 retval = arg->getRVal(); |
| 40 | 1085 return retval; |
| 1086 } | |
| 1087 | |
|
81
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|
1088 Type* realtype = DtoDType(argexp->type); |
| 40 | 1089 TY argty = realtype->ty; |
|
81
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|
1090 if (DtoIsPassedByRef(realtype)) { |
| 40 | 1091 if (!fnarg || !fnarg->llvmCopy) { |
|
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1092 if (DSliceValue* sv = arg->isSlice()) { |
|
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|
1093 retval = new llvm::AllocaInst(DtoType(realtype), "tmpparam", gIR->topallocapoint()); |
|
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|
1094 DtoSetArray(retval, DtoArrayLen(sv), DtoArrayPtr(sv)); |
|
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|
1095 } |
|
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1096 else { |
|
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|
1097 retval = arg->getRVal(); |
|
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|
1098 } |
| 40 | 1099 } |
| 1100 else { | |
| 1101 llvm::Value* allocaInst = 0; | |
| 1102 llvm::BasicBlock* entryblock = &gIR->topfunc()->front(); | |
| 1103 //const llvm::PointerType* pty = llvm::cast<llvm::PointerType>(arg->mem->getType()); | |
|
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|
1104 const llvm::Type* realtypell = DtoType(realtype); |
|
51
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|
1105 const llvm::PointerType* pty = llvm::PointerType::get(realtypell); |
| 40 | 1106 if (argty == Tstruct) { |
| 1107 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
|
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|
1108 DValue* dst = new DVarValue(realtype, allocaInst, true); |
|
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|
1109 DtoAssign(dst,arg); |
|
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|
1110 delete dst; |
| 40 | 1111 } |
| 1112 else if (argty == Tdelegate) { | |
| 1113 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
|
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|
1114 DValue* dst = new DVarValue(realtype, allocaInst, true); |
|
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|
1115 DtoAssign(dst,arg); |
|
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|
1116 delete dst; |
| 40 | 1117 } |
| 1118 else if (argty == Tarray) { | |
|
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|
1119 if (arg->isSlice()) { |
|
51
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|
1120 allocaInst = new llvm::AllocaInst(realtypell, "tmpparam", gIR->topallocapoint()); |
|
83
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|
1121 } |
| 40 | 1122 else { |
| 1123 allocaInst = new llvm::AllocaInst(pty->getElementType(), "tmpparam", gIR->topallocapoint()); | |
| 1124 } | |
| 1125 } | |
| 1126 else | |
| 1127 assert(0); | |
| 1128 | |
|
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|
1129 DValue* dst = new DVarValue(realtype, allocaInst, true); |
|
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|
1130 DtoAssign(dst,arg); |
|
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|
1131 delete dst; |
|
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|
1132 |
| 40 | 1133 retval = allocaInst; |
| 1134 } | |
| 1135 } | |
| 1136 else if (!fnarg || fnarg->llvmCopy) { | |
| 1137 Logger::println("regular arg"); | |
|
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|
1138 if (DSliceValue* sl = arg->isSlice()) { |
|
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|
1139 if (sl->ptr) Logger::cout() << "ptr = " << *sl->ptr << '\n'; |
|
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|
1140 if (sl->len) Logger::cout() << "len = " << *sl->len << '\n'; |
|
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|
1141 assert(0); |
|
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|
1142 } |
|
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|
1143 else { |
|
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|
1144 retval = arg->getRVal(); |
|
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|
1145 } |
| 40 | 1146 } |
| 1147 else { | |
| 1148 Logger::println("as ptr arg"); | |
|
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|
1149 retval = arg->getLVal(); |
|
57
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|
1150 if (paramtype && retval->getType() != paramtype) |
| 40 | 1151 { |
|
86
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|
1152 assert(0); |
|
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|
1153 /*assert(retval->getType() == paramtype->getContainedType(0)); |
|
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|
1154 new llvm::StoreInst(retval, arg->getLVal(), gIR->scopebb()); |
|
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|
1155 retval = arg->getLVal();*/ |
| 40 | 1156 } |
| 1157 } | |
| 1158 | |
|
78
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|
1159 if (fnarg && paramtype && retval->getType() != paramtype) { |
|
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|
1160 // this is unfortunately needed with the way SymOffExp is overused |
|
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|
1161 // and static arrays can end up being a pointer to their element type |
|
86
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|
1162 if (arg->isField()) { |
|
78
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|
1163 retval = gIR->ir->CreateBitCast(retval, paramtype, "tmp"); |
|
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|
1164 } |
|
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|
1165 else { |
|
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|
1166 Logger::cout() << "got '" << *retval->getType() << "' expected '" << *paramtype << "'\n"; |
|
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|
1167 assert(0 && "parameter type that was actually passed is invalid"); |
|
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|
1168 } |
|
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|
1169 } |
|
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|
1170 |
| 40 | 1171 delete arg; |
| 1172 | |
| 1173 return retval; | |
| 1174 } | |
| 34 | 1175 |
|
50
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|
1176 ////////////////////////////////////////////////////////////////////////////////////////// |
| 34 | 1177 |
|
81
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|
1178 llvm::Value* DtoNestedVariable(VarDeclaration* vd) |
|
50
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|
1179 { |
|
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|
1180 FuncDeclaration* fd = vd->toParent()->isFuncDeclaration(); |
|
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|
1181 assert(fd != NULL); |
|
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|
1182 |
|
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|
1183 IRFunction* fcur = &gIR->func(); |
|
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|
1184 FuncDeclaration* f = fcur->decl; |
|
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|
1185 |
|
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|
1186 // on this stack |
|
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|
1187 if (fd == f) { |
|
81
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|
1188 llvm::Value* v = DtoGEPi(vd->llvmValue,0,unsigned(vd->llvmNestedIndex),"tmp"); |
|
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|
1189 if (vd->isParameter() && (vd->isRef() || vd->isOut() || DtoIsPassedByRef(vd->type))) { |
| 73 | 1190 Logger::cout() << "1267 loading: " << *v << '\n'; |
|
67
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1191 v = gIR->ir->CreateLoad(v,"tmp"); |
| 73 | 1192 } |
|
67
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1193 return v; |
|
50
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|
1194 } |
|
6fcc08a4d406
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|
1195 |
|
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|
1196 // on a caller stack |
|
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|
1197 llvm::Value* ptr = f->llvmThisVar; |
|
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|
1198 assert(ptr); |
|
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|
1199 |
|
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|
1200 f = f->toParent()->isFuncDeclaration(); |
|
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|
1201 assert(f); |
|
6fcc08a4d406
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diff
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|
1202 assert(f->llvmNested); |
|
6fcc08a4d406
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|
1203 const llvm::Type* nesttype = f->llvmNested->getType(); |
|
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|
1204 assert(nesttype); |
|
6fcc08a4d406
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diff
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|
1205 |
|
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|
1206 ptr = gIR->ir->CreateBitCast(ptr, nesttype, "tmp"); |
|
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|
1207 |
|
6fcc08a4d406
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diff
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|
1208 Logger::cout() << "nested var reference:" << '\n' << *ptr << *nesttype << '\n'; |
|
6fcc08a4d406
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|
1209 |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
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diff
changeset
|
1210 while (f) { |
|
6fcc08a4d406
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parents:
49
diff
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|
1211 if (fd == f) { |
|
81
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78
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|
1212 llvm::Value* v = DtoGEPi(ptr,0,vd->llvmNestedIndex,"tmp"); |
|
3587401b6eeb
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|
1213 if (vd->isParameter() && (vd->isRef() || vd->isOut() || DtoIsPassedByRef(vd->type))) { |
| 73 | 1214 Logger::cout() << "1291 loading: " << *v << '\n'; |
|
67
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[svn r71] Fixed accessing parent function arguments from inside nested delegates.
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diff
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|
1215 v = gIR->ir->CreateLoad(v,"tmp"); |
| 73 | 1216 } |
|
67
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[svn r71] Fixed accessing parent function arguments from inside nested delegates.
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|
1217 return v; |
|
50
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[svn r54] Added support for nested delegates referencing parent's stack variables.
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|
1218 } |
|
6fcc08a4d406
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diff
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|
1219 else { |
|
81
3587401b6eeb
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|
1220 ptr = DtoGEPi(ptr,0,0,"tmp"); |
|
50
6fcc08a4d406
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lindquist
parents:
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diff
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|
1221 ptr = gIR->ir->CreateLoad(ptr,"tmp"); |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
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parents:
49
diff
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|
1222 } |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
lindquist
parents:
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diff
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|
1223 f = f->toParent()->isFuncDeclaration(); |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
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49
diff
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|
1224 } |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
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parents:
49
diff
changeset
|
1225 |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
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49
diff
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|
1226 assert(0 && "nested var not found"); |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
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parents:
49
diff
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|
1227 return NULL; |
|
6fcc08a4d406
[svn r54] Added support for nested delegates referencing parent's stack variables.
lindquist
parents:
49
diff
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|
1228 } |
|
51
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
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50
diff
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|
1229 |
|
61bc1b4ad3c4
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parents:
50
diff
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|
1230 ////////////////////////////////////////////////////////////////////////////////////////// |
|
61bc1b4ad3c4
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50
diff
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|
1231 |
|
86
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|
1232 void DtoAssign(DValue* lhs, DValue* rhs) |
|
51
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
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50
diff
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|
1233 { |
| 92 | 1234 Logger::cout() << "DtoAssign(...);\n"; |
|
86
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|
1235 Type* t = DtoDType(lhs->getType()); |
|
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|
1236 Type* t2 = DtoDType(rhs->getType()); |
|
51
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
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50
diff
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|
1237 |
|
61bc1b4ad3c4
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lindquist
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diff
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|
1238 if (t->ty == Tstruct) { |
|
86
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|
1239 if (t2 != t) { |
|
fd32135dca3e
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|
1240 // TODO: fix this, use 'rhs' for something |
|
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|
1241 DtoStructZeroInit(lhs->getLVal()); |
|
fd32135dca3e
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|
1242 } |
|
fd32135dca3e
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|
1243 else if (!rhs->inPlace()) { |
|
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|
1244 DtoStructCopy(lhs->getLVal(),rhs->getRVal()); |
|
fd32135dca3e
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|
1245 } |
|
51
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[svn r55] Foreach was always generating code as if the value variable was 'ref'
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50
diff
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|
1246 } |
|
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
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parents:
50
diff
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|
1247 else if (t->ty == Tarray) { |
|
86
fd32135dca3e
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|
1248 // lhs is slice |
|
fd32135dca3e
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|
1249 if (DSliceValue* s = lhs->isSlice()) { |
|
fd32135dca3e
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|
1250 if (DSliceValue* s2 = rhs->isSlice()) { |
|
fd32135dca3e
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|
1251 DtoArrayCopy(s, s2); |
|
fd32135dca3e
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|
1252 } |
|
fd32135dca3e
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|
1253 else if (t->next == t2) { |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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diff
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|
1254 if (s->len) |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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parents:
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diff
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|
1255 DtoArrayInit(s->ptr, s->len, rhs->getRVal()); |
|
fd32135dca3e
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|
1256 else |
|
fd32135dca3e
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85
diff
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|
1257 DtoArrayInit(s->ptr, rhs->getRVal()); |
|
fd32135dca3e
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|
1258 } |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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parents:
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diff
changeset
|
1259 else |
|
fd32135dca3e
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85
diff
changeset
|
1260 assert(rhs->inPlace()); |
|
fd32135dca3e
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parents:
85
diff
changeset
|
1261 } |
|
fd32135dca3e
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diff
changeset
|
1262 // rhs is slice |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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parents:
85
diff
changeset
|
1263 else if (DSliceValue* s = rhs->isSlice()) { |
|
fd32135dca3e
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parents:
85
diff
changeset
|
1264 DtoSetArray(lhs->getLVal(),s->len,s->ptr); |
|
fd32135dca3e
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parents:
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diff
changeset
|
1265 } |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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diff
changeset
|
1266 // null |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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parents:
85
diff
changeset
|
1267 else if (rhs->isNull()) { |
|
fd32135dca3e
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parents:
85
diff
changeset
|
1268 DtoNullArray(lhs->getLVal()); |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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85
diff
changeset
|
1269 } |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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diff
changeset
|
1270 // reference assignment |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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parents:
85
diff
changeset
|
1271 else { |
|
fd32135dca3e
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parents:
85
diff
changeset
|
1272 DtoArrayAssign(lhs->getLVal(), rhs->getRVal()); |
|
fd32135dca3e
[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!!
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diff
changeset
|
1273 } |
|
51
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
lindquist
parents:
50
diff
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|
1274 } |
|
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
lindquist
parents:
50
diff
changeset
|
1275 else if (t->ty == Tsarray) { |
|
86
fd32135dca3e
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parents:
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diff
changeset
|
1276 DtoStaticArrayCopy(lhs->getLVal(), rhs->getRVal()); |
|
51
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
lindquist
parents:
50
diff
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|
1277 } |
|
61bc1b4ad3c4
[svn r55] Foreach was always generating code as if the value variable was 'ref'
lindquist
parents:
50
diff
changeset
|
1278 else if (t->ty == Tdelegate) { |
|
86
fd32135dca3e
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parents:
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diff
changeset
|
1279 if (rhs->isNull()) |
|
fd32135dca3e
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diff
changeset
|
1280 DtoNullDelegate(lhs->getLVal()); |
|
fd32135dca3e
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|
1281 else if (!rhs->inPlace()) |
|
fd32135dca3e
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diff
changeset
|
1282 DtoDelegateCopy(lhs->getLVal(), rhs->getRVal()); |
|
fd32135dca3e
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diff
changeset
|
1283 } |
|
fd32135dca3e
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diff
changeset
|
1284 else if (t->ty == Tclass) { |
|
fd32135dca3e
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parents:
85
diff
changeset
|
1285 assert(t2->ty == Tclass); |
|
fd32135dca3e
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|
1286 // assignment to this in constructor special case |
|
fd32135dca3e
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parents:
85
diff
changeset
|
1287 if (lhs->isThis()) { |
|
fd32135dca3e
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diff
changeset
|
1288 llvm::Value* tmp = rhs->getRVal(); |
|
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|
1289 FuncDeclaration* fdecl = gIR->func().decl; |
|
fd32135dca3e
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85
diff
changeset
|
1290 // respecify the this param |
|
fd32135dca3e
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parents:
85
diff
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|
1291 if (!llvm::isa<llvm::AllocaInst>(fdecl->llvmThisVar)) |
|
fd32135dca3e
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parents:
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changeset
|
1292 fdecl->llvmThisVar = new llvm::AllocaInst(tmp->getType(), "newthis", gIR->topallocapoint()); |
|
fd32135dca3e
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parents:
85
diff
changeset
|
1293 DtoStore(tmp, fdecl->llvmThisVar); |
|
fd32135dca3e
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diff
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|
1294 } |
|
fd32135dca3e
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diff
changeset
|
1295 // regular class ref -> class ref assignment |
|
fd32135dca3e
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diff
changeset
|
1296 else { |
|
fd32135dca3e
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changeset
|
1297 DtoStore(rhs->getRVal(), lhs->getLVal()); |
|
fd32135dca3e
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|
1298 } |
|
51
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[svn r55] Foreach was always generating code as if the value variable was 'ref'
lindquist
parents:
50
diff
changeset
|
1299 } |
|
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1300 else { |
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1301 llvm::Value* r = rhs->getRVal(); |
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1302 llvm::Value* l = lhs->getLVal(); |
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1303 Logger::cout() << "assign\nlhs: " << *l << "rhs: " << *r << '\n'; |
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1304 gIR->ir->CreateStore(r, l); |
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1305 } |
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1306 } |
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1307 |
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1308 ////////////////////////////////////////////////////////////////////////////////////////// |
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1309 |
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1310 llvm::ConstantInt* DtoConstSize_t(size_t i) |
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1311 { |
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1312 return llvm::ConstantInt::get(DtoSize_t(), i, false); |
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1313 } |
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1314 llvm::ConstantInt* DtoConstUint(unsigned i) |
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1315 { |
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1316 return llvm::ConstantInt::get(llvm::Type::Int32Ty, i, false); |
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1317 } |
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1318 llvm::ConstantInt* DtoConstInt(int i) |
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1319 { |
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1320 return llvm::ConstantInt::get(llvm::Type::Int32Ty, i, true); |
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1321 } |
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1322 llvm::Constant* DtoConstBool(bool b) |
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1323 { |
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1324 return llvm::ConstantInt::get(llvm::Type::Int1Ty, b, false); |
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1325 } |
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1326 |
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1327 ////////////////////////////////////////////////////////////////////////////////////////// |
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1328 |
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1329 llvm::Constant* DtoConstString(const char* str) |
|
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1330 { |
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1331 std::string s(str); |
|
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1332 llvm::Constant* init = llvm::ConstantArray::get(s, true); |
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1333 llvm::GlobalVariable* gvar = new llvm::GlobalVariable( |
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1334 init->getType(), true,llvm::GlobalValue::InternalLinkage, init, "stringliteral", gIR->module); |
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1335 llvm::Constant* idxs[2] = { DtoConstUint(0), DtoConstUint(0) }; |
|
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1336 return DtoConstSlice( |
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1337 DtoConstSize_t(s.length()), |
|
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1338 llvm::ConstantExpr::getGetElementPtr(gvar,idxs,2) |
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1339 ); |
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1340 } |
|
82
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1341 llvm::Constant* DtoConstStringPtr(const char* str, const char* section) |
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1342 { |
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1343 std::string s(str); |
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1344 llvm::Constant* init = llvm::ConstantArray::get(s, true); |
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1345 llvm::GlobalVariable* gvar = new llvm::GlobalVariable( |
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1346 init->getType(), true,llvm::GlobalValue::InternalLinkage, init, "stringliteral", gIR->module); |
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1347 if (section) gvar->setSection(section); |
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1348 llvm::Constant* idxs[2] = { DtoConstUint(0), DtoConstUint(0) }; |
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1349 return llvm::ConstantExpr::getGetElementPtr(gvar,idxs,2); |
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1350 } |
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58
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1351 |
|
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1352 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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1353 |
|
81
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1354 void DtoMemCpy(llvm::Value* dst, llvm::Value* src, llvm::Value* nbytes) |
|
58
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1355 { |
|
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1356 assert(dst->getType() == src->getType()); |
|
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1357 |
|
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|
1358 llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty); |
|
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1359 llvm::Value *dstarr, *srcarr; |
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1360 if (dst->getType() == arrty) |
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1361 { |
|
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1362 dstarr = dst; |
|
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|
1363 srcarr = src; |
|
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|
1364 } |
|
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1365 else |
|
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1366 { |
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1367 dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb()); |
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1368 srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb()); |
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1369 } |
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1370 |
|
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1371 llvm::Function* fn = (global.params.is64bit) ? LLVM_DeclareMemCpy64() : LLVM_DeclareMemCpy32(); |
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1372 std::vector<llvm::Value*> llargs; |
|
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1373 llargs.resize(4); |
|
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1374 llargs[0] = dstarr; |
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1375 llargs[1] = srcarr; |
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1376 llargs[2] = nbytes; |
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1377 llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false); |
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1378 |
|
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1379 new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb()); |
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1380 } |
|
77
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[svn r81] Fixed: Union support was very buggy. Should be fairly solid now.
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|
1381 |
|
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|
1382 ////////////////////////////////////////////////////////////////////////////////////////// |
|
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1383 |
|
86
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1384 llvm::Value* DtoLoad(llvm::Value* src) |
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1385 { |
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1386 return gIR->ir->CreateLoad(src,"tmp"); |
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|
1387 } |
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|
1388 |
|
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1389 void DtoStore(llvm::Value* src, llvm::Value* dst) |
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1390 { |
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1391 gIR->ir->CreateStore(src,dst); |
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1392 } |
|
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|
1393 |
|
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|
1394 bool DtoCanLoad(llvm::Value* ptr) |
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1395 { |
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1396 if (llvm::isa<llvm::PointerType>(ptr->getType())) { |
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1397 return ptr->getType()->getContainedType(0)->isFirstClassType(); |
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1398 } |
|
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1399 return false; |
|
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1400 } |
|
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|
1401 |
|
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|
1402 llvm::Value* DtoBitCast(llvm::Value* v, const llvm::Type* t) |
|
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1403 { |
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1404 return gIR->ir->CreateBitCast(v, t, "tmp"); |
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1405 } |
|
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1406 |
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1407 ////////////////////////////////////////////////////////////////////////////////////////// |
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1408 |
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1409 bool DtoIsTemplateInstance(Dsymbol* s) |
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1410 { |
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1411 if (!s) return false; |
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1412 if (s->isTemplateInstance() && !s->isTemplateMixin()) |
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1413 return true; |
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1414 else if (s->parent) |
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1415 return DtoIsTemplateInstance(s->parent); |
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1416 return false; |
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1417 } |
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1418 |
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1419 void DtoLazyStaticInit(bool istempl, llvm::Value* gvar, Initializer* init, Type* t) |
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1420 { |
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1421 // create a flag to make sure initialization only happens once |
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1422 llvm::GlobalValue::LinkageTypes gflaglink = istempl ? llvm::GlobalValue::WeakLinkage : llvm::GlobalValue::InternalLinkage; |
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1423 std::string gflagname(gvar->getName()); |
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1424 gflagname.append("__initflag"); |
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1425 llvm::GlobalVariable* gflag = new llvm::GlobalVariable(llvm::Type::Int1Ty,false,gflaglink,DtoConstBool(false),gflagname,gIR->module); |
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1426 |
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1427 // check flag and do init if not already done |
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1428 llvm::BasicBlock* oldend = gIR->scopeend(); |
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1429 llvm::BasicBlock* initbb = new llvm::BasicBlock("ifnotinit",gIR->topfunc(),oldend); |
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1430 llvm::BasicBlock* endinitbb = new llvm::BasicBlock("ifnotinitend",gIR->topfunc(),oldend); |
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1431 llvm::Value* cond = gIR->ir->CreateICmpEQ(gIR->ir->CreateLoad(gflag,"tmp"),DtoConstBool(false)); |
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1432 gIR->ir->CreateCondBr(cond, initbb, endinitbb); |
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1433 gIR->scope() = IRScope(initbb,endinitbb); |
| 92 | 1434 DValue* ie = DtoInitializer(init, NULL); |
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1435 if (!ie->inPlace()) { |
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1436 DValue* dst = new DVarValue(t, gvar, true); |
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1437 DtoAssign(dst, ie); |
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1438 } |
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1439 gIR->ir->CreateStore(DtoConstBool(true), gflag); |
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1440 gIR->ir->CreateBr(endinitbb); |
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1441 gIR->scope() = IRScope(endinitbb,oldend); |
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1442 } |