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comparison gen/passes/GarbageCollect2Stack.cpp @ 1555:ed0cffe895ec

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use the new NamedMDNode class this will need a LLVM >= r77619
author Benjamin Kramer <benny.kra@gmail.com>
date Thu, 30 Jul 2009 20:54:03 +0200
parents d6e8d5db259f
children 3adcb70700cb
comparison
equal deleted inserted replaced
1554:d6e8d5db259f 1555:ed0cffe895ec
199 return false; 199 return false;
200 Value* arg = CS.getArgument(0)->stripPointerCasts(); 200 Value* arg = CS.getArgument(0)->stripPointerCasts();
201 GlobalVariable* ClassInfo = dyn_cast<GlobalVariable>(arg); 201 GlobalVariable* ClassInfo = dyn_cast<GlobalVariable>(arg);
202 if (!ClassInfo) 202 if (!ClassInfo)
203 return false; 203 return false;
204 204
205 std::string metaname = CD_PREFIX; 205 std::string metaname = CD_PREFIX;
206 metaname += ClassInfo->getName(); 206 metaname += ClassInfo->getName();
207 207
208 GlobalVariable* global = A.M.getGlobalVariable(metaname); 208 NamedMDNode* meta = A.M.getNamedMetadata(metaname);
209 if (!global || !global->hasInitializer()) 209 if (!meta)
210 return false; 210 return false;
211 211
212 MDNode* node = dyn_cast<MDNode>(global->getInitializer()); 212 MDNode* node = static_cast<MDNode*>(meta->getElement(0));
213 if (!node || MD_GetNumElements(node) != CD_NumFields) 213 if (!node || MD_GetNumElements(node) != CD_NumFields)
214 return false; 214 return false;
215 215
216 // Inserting destructor calls is not implemented yet, so classes 216 // Inserting destructor calls is not implemented yet, so classes
217 // with destructors are ignored for now. 217 // with destructors are ignored for now.
218 Constant* hasDestructor = dyn_cast<Constant>(MD_GetElement(node, CD_Finalize)); 218 Constant* hasDestructor = dyn_cast<Constant>(MD_GetElement(node, CD_Finalize));
219 // We can't stack-allocate if the class has a custom deallocator 219 // We can't stack-allocate if the class has a custom deallocator
220 // (Custom allocators don't get turned into this runtime call, so 220 // (Custom allocators don't get turned into this runtime call, so
394 if (!ti_global) 394 if (!ti_global)
395 return NULL; 395 return NULL;
396 396
397 std::string metaname = TD_PREFIX; 397 std::string metaname = TD_PREFIX;
398 metaname += ti_global->getName(); 398 metaname += ti_global->getName();
399 399
400 GlobalVariable* global = M.getGlobalVariable(metaname); 400 NamedMDNode* meta = M.getNamedMetadata(metaname);
401 if (!global || !global->hasInitializer()) 401 if (!meta)
402 return NULL; 402 return NULL;
403 403
404 MDNode* node = dyn_cast<MDNode>(global->getInitializer()); 404 MDNode* node = static_cast<MDNode*>(meta->getElement(0));
405 if (!node) 405 if (!node)
406 return NULL; 406 return NULL;
407 407
408 if (MD_GetNumElements(node) != TD_NumFields) 408 if (MD_GetNumElements(node) != TD_NumFields)
409 return NULL; 409 return NULL;
410 if (TD_Confirm >= 0 && (!MD_GetElement(node, TD_Confirm) || 410 if (TD_Confirm >= 0 && (!MD_GetElement(node, TD_Confirm) ||
411 MD_GetElement(node, TD_Confirm)->stripPointerCasts() != ti_global)) 411 MD_GetElement(node, TD_Confirm)->stripPointerCasts() != ti_global))
412 return NULL; 412 return NULL;