Revert "ThinLTO: add module caching handling."

This reverts commit r265214, unintentionally commited.

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 265216

1 files changed, 0 insertions, 16 deletions

diff --git a/llvm/include/llvm/ADT/StringExtras.h b/llvm/include/llvm/ADT/StringExtras.h
index 9f4db4e86fb..8de6fb257ce 100644
--- a/llvm/include/llvm/ADT/StringExtras.h
+++ b/llvm/include/llvm/ADT/StringExtras.h
@@ -59,22 +59,6 @@ static inline std::string utohexstr(uint64_t X, bool LowerCase = false) {
   return std::string(BufPtr, std::end(Buffer));
 }
 
-// Convert buffer \p Input to its hexadecimal representation.
-// The returned string is double the size of \p Input.
-static inline std::string toHex(StringRef Input) {
-  static const char *const LUT = "0123456789ABCDEF";
-  size_t Length = Input.size();
-
-  std::string Output;
-  Output.reserve(2 * Length);
-  for (size_t i = 0; i < Length; ++i) {
-    const unsigned char c = Input[i];
-    Output.push_back(LUT[c >> 4]);
-    Output.push_back(LUT[c & 15]);
-  }
-  return Output;
-}
-
 static inline std::string utostr(uint64_t X, bool isNeg = false) {
   char Buffer[21];
   char *BufPtr = std::end(Buffer);