diff options
Diffstat (limited to 'llvm/lib/MC/MCDwarf.cpp')
| -rw-r--r-- | llvm/lib/MC/MCDwarf.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp index 72ecfa6cb45..edeee20ab47 100644 --- a/llvm/lib/MC/MCDwarf.cpp +++ b/llvm/lib/MC/MCDwarf.cpp @@ -287,6 +287,7 @@ std::pair<MCSymbol *, MCSymbol *> MCDwarfLineTableHeader::Emit(MCStreamer *MCOS) // Second the file table. for (unsigned i = 1; i < MCDwarfFiles.size(); i++) { + assert(!MCDwarfFiles[i].Name.empty()); MCOS->EmitBytes(MCDwarfFiles[i].Name); // FileName MCOS->EmitBytes(StringRef("\0", 1)); // the null term. of the string // the Directory num @@ -331,14 +332,19 @@ const MCSymbol *MCDwarfLineTable::EmitCU(MCStreamer *MCOS) const { return LineStartSym; } -unsigned MCDwarfLineTable::getFile(StringRef Directory, StringRef FileName, +unsigned MCDwarfLineTable::getFile(StringRef &Directory, StringRef &FileName, unsigned FileNumber) { return Header.getFile(Directory, FileName, FileNumber); } -unsigned MCDwarfLineTableHeader::getFile(StringRef Directory, - StringRef FileName, +unsigned MCDwarfLineTableHeader::getFile(StringRef &Directory, + StringRef &FileName, unsigned FileNumber) { + if (FileName.empty()) { + FileName = "<stdin>"; + Directory = ""; + } + assert(!FileName.empty()); if (FileNumber == 0) { FileNumber = SourceIdMap.size() + 1; assert((MCDwarfFiles.empty() || FileNumber == MCDwarfFiles.size()) && |
