[lld] r231584 - Resolver: Use LLVM StringMap and DenseMap.

[Rui Ueyama]

Author: ruiu
Date: Sat Mar  7 20:44:51 2015
New Revision: 231584

URL: http://llvm.org/viewvc/llvm-project?rev=231584&view=rev
Log:
Resolver: Use LLVM StringMap and DenseMap.

All defined symbols from all archive files are inserted to _archiveMap,
so performance of hash table matters here (I'm not trying to convert
all std::maps with DenseMaps). This change seems to make the linker
0.5% - 1% faster for my test case.

Modified:
    lld/trunk/include/lld/Core/Resolver.h

Modified: lld/trunk/include/lld/Core/Resolver.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/include/lld/Core/Resolver.h?rev=231584&r1=231583&r2=231584&view=diff
==============================================================================
--- lld/trunk/include/lld/Core/Resolver.h (original)
+++ lld/trunk/include/lld/Core/Resolver.h Sat Mar  7 20:44:51 2015
@@ -100,8 +100,8 @@ private:
   size_t _fileIndex;
 
   // Preloading
-  std::map<StringRef, ArchiveLibraryFile *> _archiveMap;
-  std::unordered_set<ArchiveLibraryFile *> _archiveSeen;
+  llvm::StringMap<ArchiveLibraryFile *> _archiveMap;
+  llvm::DenseSet<ArchiveLibraryFile *> _archiveSeen;
 
   // List of undefined symbols.
   std::vector<StringRef> _undefines;