[llvm] r224360 - [dsymutil] Avoid calling getStringTableData() for each symbol. NFC.

[Frederic Riss]

Author: friss
Date: Tue Dec 16 14:21:34 2014
New Revision: 224360

URL: http://llvm.org/viewvc/llvm-project?rev=224360&view=rev
Log:
[dsymutil] Avoid calling getStringTableData() for each symbol. NFC.

Modified:
    llvm/trunk/tools/dsymutil/MachODebugMapParser.cpp

Modified: llvm/trunk/tools/dsymutil/MachODebugMapParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/dsymutil/MachODebugMapParser.cpp?rev=224360&r1=224359&r2=224360&view=diff
==============================================================================
--- llvm/trunk/tools/dsymutil/MachODebugMapParser.cpp (original)
+++ llvm/trunk/tools/dsymutil/MachODebugMapParser.cpp Tue Dec 16 14:21:34 2014
@@ -36,6 +36,7 @@ private:
   object::OwningBinary<object::MachOObjectFile> MainOwningBinary;
   /// Map of the binary symbol addresses.
   StringMap<uint64_t> MainBinarySymbolAddresses;
+  StringRef MainBinaryStrings;
   /// The constructed DebugMap.
   std::unique_ptr<DebugMap> Result;
 
@@ -121,6 +122,7 @@ ErrorOr<std::unique_ptr<DebugMap>> MachO
   loadMainBinarySymbols();
   Result = make_unique<DebugMap>();
   const auto &MainBinary = *MainOwningBinary.getBinary();
+  MainBinaryStrings = MainBinary.getStringTableData();
   for (const SymbolRef &Symbol : MainBinary.symbols()) {
     const DataRefImpl &DRI = Symbol.getRawDataRefImpl();
     if (MainBinary.is64Bit())
@@ -142,8 +144,7 @@ void MachODebugMapParser::handleStabSymb
   if (!(Type & MachO::N_STAB))
     return;
 
-  const MachOObjectFile &MachOBinary = *MainOwningBinary.getBinary();
-  const char *Name = &MachOBinary.getStringTableData().data()[StringIndex];
+  const char *Name = &MainBinaryStrings.data()[StringIndex];
 
   // An N_OSO entry represents the start of a new object file description.
   if (Type == MachO::N_OSO)