Switch ValueSymbolTable to use StringMap<Value*> instead of std::map<std::string, Value*>

as its main datastructure.  There are many improvements yet to be made, but
this speeds up opt --std-compile-opts on 447.dealII by 7.3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34193 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/Bytecode/Writer/WriterInternals.h b/lib/Bytecode/Writer/WriterInternals.h
index 6a036d804a..747ad8ef06 100644
--- a/lib/Bytecode/Writer/WriterInternals.h
+++ b/lib/Bytecode/Writer/WriterInternals.h
@@ -85,7 +85,10 @@ private:
   /// @brief Signed 32-bit variable bit rate output primitive.
   inline void output_vbr(int i);
 
-  inline void output(const std::string &s);
+  inline void output_str(const char *Str, unsigned Len);
+  inline void output(const std::string &s) {
+    output_str(&s[0], s.size());
+  }
 
   inline void output_data(const void *Ptr, const void *End);