Delete dead code. (NFC)

Author: adrian-prantl

lldb/include/lldb/Symbol/SymbolFile.h

@@ -280,13 +280,6 @@ class SymbolFile : public PluginInterface {
     return false;
   }
 
-  virtual int GetCompileOptions(const char *option,
-                                std::vector<std::string> &values,
-                                CompileUnit *cu = nullptr) {
-    values.clear();
-    return false;
-  }
-
   // Some symbol files might know if we should always check for inline
   // source file and line entries. This virtual function lets
   // SymbolFile subclasses control that, but a default implementation

lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp

@@ -3144,60 +3144,6 @@ bool SymbolFileDWARF::GetCompileOption(const char *option, std::string &value,
   return false;
 }
 
-int SymbolFileDWARF::GetCompileOptions(const char *option,
-                                       std::vector<std::string> &values,
-                                       CompileUnit *cu) {
-  DWARFDebugInfo *debug_info = DebugInfo();
-
-  if (debug_info) {
-    if (cu) {
-      DWARFUnit *dwarf_cu = GetDWARFCompileUnit(cu);
-
-      if (dwarf_cu) {
-        const DWARFBaseDIE die = dwarf_cu->GetUnitDIEOnly();
-        if (die) {
-          const char *flags =
-              die.GetAttributeValueAsString(DW_AT_APPLE_flags, NULL);
-
-          if (flags) {
-            if (strstr(flags, option)) {
-              Args compiler_args(flags);
-
-              return OptionParsing::GetOptionValuesAsStrings(compiler_args,
-                                                             option, values);
-            }
-          }
-        }
-      }
-    } else {
-      const uint32_t num_compile_units = GetNumCompileUnits();
-
-      for (uint32_t cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) {
-        DWARFUnit *dwarf_cu = debug_info->GetUnitAtIndex(cu_idx);
-
-        if (dwarf_cu) {
-          const DWARFBaseDIE die = dwarf_cu->GetUnitDIEOnly();
-          if (die) {
-            const char *flags =
-                die.GetAttributeValueAsString(DW_AT_APPLE_flags, NULL);
-
-            if (flags) {
-              if (strstr(flags, option)) {
-                Args compiler_args(flags);
-
-                return OptionParsing::GetOptionValuesAsStrings(compiler_args,
-                                                               option, values);
-              }
-            }
-          }
-        }
-      }
-    }
-  }
-
-  return 0;
-}
-
 TypeSP SymbolFileDWARF::ParseType(const SymbolContext &sc, const DWARFDIE &die,
                                   bool *type_is_new_ptr) {
   if (!die)

lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.h

@@ -223,9 +223,6 @@ class SymbolFileDWARF : public lldb_private::SymbolFile,
   bool GetCompileOption(const char *option, std::string &value,
                         lldb_private::CompileUnit *cu = nullptr) override;
 
-  int GetCompileOptions(const char *option, std::vector<std::string> &value,
-                        lldb_private::CompileUnit *cu = nullptr) override;
-
   void PreloadSymbols() override;
 
   std::recursive_mutex &GetModuleMutex() const override;