diff options
Diffstat (limited to 'lib/IR/DIBuilder.cpp')
| -rw-r--r-- | lib/IR/DIBuilder.cpp | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp index 92edacc..218787c 100644 --- a/lib/IR/DIBuilder.cpp +++ b/lib/IR/DIBuilder.cpp @@ -102,7 +102,8 @@ DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, StringRef Producer, bool isOptimized, StringRef Flags, unsigned RunTimeVer, StringRef SplitName, - DebugEmissionKind Kind) { + DebugEmissionKind Kind, + bool EmitDebugInfo) { assert(((Lang <= dwarf::DW_LANG_OCaml && Lang >= dwarf::DW_LANG_C89) || (Lang <= dwarf::DW_LANG_hi_user && Lang >= dwarf::DW_LANG_lo_user)) && @@ -140,8 +141,14 @@ DICompileUnit DIBuilder::createCompileUnit(unsigned Lang, StringRef Filename, MDNode *CUNode = MDNode::get(VMContext, Elts); // Create a named metadata so that it is easier to find cu in a module. - NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu"); - NMD->addOperand(CUNode); + // Note that we only generate this when the caller wants to actually + // emit debug information. When we are only interested in tracking + // source line locations throughout the backend, we prevent codegen from + // emitting debug info in the final output by not generating llvm.dbg.cu. + if (EmitDebugInfo) { + NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.cu"); + NMD->addOperand(CUNode); + } return DICompileUnit(CUNode); } @@ -1068,18 +1075,19 @@ DIVariable DIBuilder::createComplexVariable(unsigned Tag, DIDescriptor Scope, DITypeRef Ty, ArrayRef<Value *> Addr, unsigned ArgNo) { - SmallVector<Value *, 15> Elts; - Elts.push_back(GetTagConstant(VMContext, Tag)); - Elts.push_back(getNonCompileUnitScope(Scope)), - Elts.push_back(MDString::get(VMContext, Name)); - Elts.push_back(F); - Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), - (LineNo | (ArgNo << 24)))); - Elts.push_back(Ty); - Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext))); - Elts.push_back(Constant::getNullValue(Type::getInt32Ty(VMContext))); - Elts.append(Addr.begin(), Addr.end()); - + assert(Addr.size() > 0 && "complex address is empty"); + Value *Elts[] = { + GetTagConstant(VMContext, Tag), + getNonCompileUnitScope(Scope), + MDString::get(VMContext, Name), + F, + ConstantInt::get(Type::getInt32Ty(VMContext), + (LineNo | (ArgNo << 24))), + Ty, + Constant::getNullValue(Type::getInt32Ty(VMContext)), + Constant::getNullValue(Type::getInt32Ty(VMContext)), + MDNode::get(VMContext, Addr) + }; return DIVariable(MDNode::get(VMContext, Elts)); } |