Mercurial > projects > ldc
comparison gen/llvmhelpers.cpp @ 747:46d0755451a4
Added DtoRawVarDeclaration routine to handle special variables in some statements.
| author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
|---|---|
| date | Sat, 01 Nov 2008 18:25:10 +0100 |
| parents | 7261ff0f95ff |
| children | 2c730d530c98 |
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| 746:693d681c846c | 747:46d0755451a4 |
|---|---|
| 1318 assert(0); | 1318 assert(0); |
| 1319 } | 1319 } |
| 1320 return NULL; | 1320 return NULL; |
| 1321 } | 1321 } |
| 1322 | 1322 |
| 1323 // does pretty much the same as DtoDeclarationExp, except it doesn't initialize, and only handles var declarations | |
| 1324 LLValue* DtoRawVarDeclaration(VarDeclaration* var) | |
| 1325 { | |
| 1326 // we don't handle globals with this one | |
| 1327 assert(!var->isDataseg()); | |
| 1328 | |
| 1329 // we don't handle aliases either | |
| 1330 assert(!var->aliassym); | |
| 1331 | |
| 1332 // referenced by nested function? | |
| 1333 if (var->nestedref) | |
| 1334 { | |
| 1335 assert(var->ir.irLocal); | |
| 1336 assert(!var->ir.irLocal->value); | |
| 1337 | |
| 1338 // alloca | |
| 1339 var->ir.irLocal->value = DtoAlloca(DtoType(var->type), var->toChars()); | |
| 1340 | |
| 1341 // store the address into the nested vars array | |
| 1342 assert(var->ir.irLocal->nestedIndex >= 0); | |
| 1343 LLValue* gep = DtoGEPi(gIR->func()->decl->ir.irFunc->nestedVar, 0, var->ir.irLocal->nestedIndex); | |
| 1344 assert(isaPointer(var->ir.irLocal->value)); | |
| 1345 LLValue* val = DtoBitCast(var->ir.irLocal->value, getVoidPtrType()); | |
| 1346 DtoStore(val, gep); | |
| 1347 } | |
| 1348 // normal local variable | |
| 1349 else | |
| 1350 { | |
| 1351 assert(!var->ir.isSet()); | |
| 1352 var->ir.irLocal = new IrLocal(var); | |
| 1353 var->ir.irLocal->value = DtoAlloca(DtoType(var->type), var->toChars()); | |
| 1354 } | |
| 1355 | |
| 1356 // add debug info | |
| 1357 if (global.params.symdebug) | |
| 1358 DtoDwarfLocalVariable(var->ir.irLocal->value, var); | |
| 1359 | |
| 1360 // return the alloca | |
| 1361 return var->ir.irLocal->value; | |
| 1362 } | |
| 1323 | 1363 |
| 1324 /****************************************************************************************/ | 1364 /****************************************************************************************/ |
| 1325 /*//////////////////////////////////////////////////////////////////////////////////////// | 1365 /*//////////////////////////////////////////////////////////////////////////////////////// |
| 1326 // INITIALIZER HELPERS | 1366 // INITIALIZER HELPERS |
| 1327 ////////////////////////////////////////////////////////////////////////////////////////*/ | 1367 ////////////////////////////////////////////////////////////////////////////////////////*/ |