diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index f78ca2c03b4..7c7f1c6ff5e 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -730,6 +730,8 @@ void DwarfDebug::beginModule() { const Module *M = MMI->getModule(); + FunctionDIs = makeSubprogramMap(*M); + // If module has named metadata anchors then use them, otherwise scan the // module using debug info finder to collect debug info. NamedMDNode *CU_Nodes = M->getNamedMetadata("llvm.dbg.cu"); @@ -1415,6 +1417,10 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { if (!MMI->hasDebugInfo()) return; + auto DI = FunctionDIs.find(MF->getFunction()); + if (DI == FunctionDIs.end()) + return; + // Grab the lexical scopes for the function, if we don't have any of those // then we're not going to be able to do anything. LScopes.initialize(*MF); @@ -1430,6 +1436,7 @@ void DwarfDebug::beginFunction(const MachineFunction *MF) { // belongs to so that we add to the correct per-cu line table in the // non-asm case. LexicalScope *FnScope = LScopes.getCurrentFunctionScope(); + assert(FnScope->getScopeNode() == DI->second); DwarfCompileUnit *TheCU = SPMap.lookup(FnScope->getScopeNode()); assert(TheCU && "Unable to find compile unit!"); if (Asm->OutStreamer.hasRawTextSupport()) @@ -1527,7 +1534,8 @@ void DwarfDebug::endFunction(const MachineFunction *MF) { assert(CurFn == MF); assert(CurFn != nullptr); - if (!MMI->hasDebugInfo() || LScopes.empty()) { + if (!MMI->hasDebugInfo() || LScopes.empty() || + !FunctionDIs.count(MF->getFunction())) { // If we don't have a lexical scope for this function then there will // be a hole in the range information. Keep note of this by setting the // previously used section to nullptr. |
