diff options
| -rw-r--r-- | include/llvm/Analysis/DebugInfo.h | 5 | ||||
| -rw-r--r-- | lib/Analysis/DebugInfo.cpp | 8 | ||||
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 4 |
3 files changed, 17 insertions, 0 deletions
diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h index d5733aeb75..1b544e5c14 100644 --- a/include/llvm/Analysis/DebugInfo.h +++ b/include/llvm/Analysis/DebugInfo.h @@ -763,6 +763,11 @@ namespace llvm { /// InsertDbgValueIntrinsic - Insert a new llvm.dbg.value intrinsic call. Instruction *InsertDbgValueIntrinsic(llvm::Value *V, uint64_t Offset, DIVariable D, Instruction *InsertBefore); + + // RecordType - Record DIType in a module such that it is not lost even if + // it is not referenced through debug info anchors. + void RecordType(DIType T); + private: Constant *GetTagConstant(unsigned TAG); }; diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp index fec269e220..dba7b8f242 100644 --- a/lib/Analysis/DebugInfo.cpp +++ b/lib/Analysis/DebugInfo.cpp @@ -1306,6 +1306,14 @@ Instruction *DIFactory::InsertDbgValueIntrinsic(Value *V, uint64_t Offset, return CallInst::Create(ValueFn, Args, Args+3, "", InsertAtEnd); } +// RecordType - Record DIType in a module such that it is not lost even if +// it is not referenced through debug info anchors. +void DIFactory::RecordType(DIType T) { + NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.ty"); + NMD->addOperand(T); +} + + //===----------------------------------------------------------------------===// // DebugInfoFinder implementations. //===----------------------------------------------------------------------===// diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 6fb9b163a0..f26047aee4 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2056,6 +2056,10 @@ void DwarfDebug::beginModule(Module *M) { for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) getOrCreateTypeDIE(DIType(NMD->getOperand(i))); + if (NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.ty")) + for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) + getOrCreateTypeDIE(DIType(NMD->getOperand(i))); + // Prime section data. SectionMap.insert(Asm->getObjFileLowering().getTextSection()); |