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comparison gen/typinf.cpp @ 1291:875afb7a93b6

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Factor out some constants into the header so producers and consumers of metadata stay in sync (and are more readable).
author Frits van Bommel <fvbommel wxs.nl>
date Sat, 02 May 2009 20:42:58 +0200
parents 5851c18e4c6d
children 8c65217be813
comparison
equal deleted inserted replaced
1290:c86a629f24dd 1291:875afb7a93b6
286 286
287 tid->ir.irGlobal = irg; 287 tid->ir.irGlobal = irg;
288 288
289 #ifdef USE_METADATA 289 #ifdef USE_METADATA
290 // Add some metadata for use by optimization passes. 290 // Add some metadata for use by optimization passes.
291 static std::string prefix = "llvm.ldc.typeinfo."; 291 std::string metaname = std::string(TD_PREFIX) + mangle;
292 std::string metaname = prefix + mangle;
293 LLGlobalVariable* meta = gIR->module->getGlobalVariable(metaname); 292 LLGlobalVariable* meta = gIR->module->getGlobalVariable(metaname);
294 // Don't generate metadata for non-concrete types 293 // Don't generate metadata for non-concrete types
295 // (such as tuple types, slice types, typeof(expr), etc.) 294 // (such as tuple types, slice types, typeof(expr), etc.)
296 if (!meta && tid->tinfo->toBasetype()->ty < Terror) { 295 if (!meta && tid->tinfo->toBasetype()->ty < Terror) {
297 LLConstant* mdVals[] = { 296 // Construct the fields
298 llvm::cast<LLConstant>(irg->value), 297 LLConstant* mdVals[TD_NumFields];
299 llvm::UndefValue::get(DtoType(tid->tinfo)) 298 mdVals[TD_Confirm] = llvm::cast<LLConstant>(irg->value);
300 }; 299 mdVals[TD_Type] = llvm::UndefValue::get(DtoType(tid->tinfo));
301 llvm::MDNode* metadata = 300 // Construct the metadata
302 llvm::MDNode::get(mdVals, sizeof(mdVals) / sizeof(mdVals[0])); 301 llvm::MDNode* metadata = llvm::MDNode::get(mdVals, TD_NumFields);
302 // Insert it into the module
303 new llvm::GlobalVariable(metadata->getType(), true, 303 new llvm::GlobalVariable(metadata->getType(), true,
304 METADATA_LINKAGE_TYPE, metadata, metaname, gIR->module); 304 METADATA_LINKAGE_TYPE, metadata, metaname, gIR->module);
305 } 305 }
306 #endif 306 #endif
307 307