diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 9533d61d08a..70fe1e233ba 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -520,6 +520,14 @@ sortGlobalExprs(SmallVectorImpl<DwarfCompileUnit::GlobalExpr> &GVEs) { return GVEs; } +static bool isEmptyCU(DICompileUnit *CUNode) { + return CUNode->getEnumTypes().empty() && + CUNode->getRetainedTypes().empty() && + CUNode->getGlobalVariables().empty() && + CUNode->getImportedEntities().empty() && + CUNode->getMacros().empty(); +} + // Emit all Dwarf sections that should come prior to the content. Create // global DIEs and emit initial debug info sections. This is invoked by // the target AsmPrinter. @@ -546,10 +554,7 @@ void DwarfDebug::beginModule() { } for (DICompileUnit *CUNode : M->debug_compile_units()) { - if (CUNode->getEnumTypes().empty() && CUNode->getRetainedTypes().empty() && - CUNode->getGlobalVariables().empty() && - CUNode->getImportedEntities().empty() && CUNode->getMacros().empty() && - !CUNode->getDWOId()) + if (isEmptyCU(CUNode)) continue; DwarfCompileUnit &CU = getOrCreateDwarfCompileUnit(CUNode); @@ -683,6 +688,11 @@ void DwarfDebug::finalizeModuleInfo() { TLOF.getDwarfMacinfoSection()->getBeginSymbol()); } + // Emit all frontend-produced Skeleton CUs, i.e., Clang modules. + for (auto *CUNode : MMI->getModule()->debug_compile_units()) + if (CUNode->getDWOId() && isEmptyCU(CUNode)) + getOrCreateDwarfCompileUnit(CUNode); + // Compute DIE offsets and sizes. InfoHolder.computeSizeAndOffsets(); if (useSplitDwarf()) |
