1 files changed, 1 insertions, 76 deletions
diff --git a/llvm/lib/IR/Use.cpp b/llvm/lib/IR/Use.cpp
index 18c61757ee84..dc0716b85372 100644
--- a/llvm/lib/IR/Use.cpp
+++ b/llvm/lib/IR/Use.cpp
@@ -37,52 +37,10 @@ void Use::swap(Use &RHS) {
   }
 }
 
-User *Use::getUser() const {
-  const Use *End = getImpliedUser();
-  const UserRef *ref = reinterpret_cast<const UserRef *>(End);
-  return ref->getInt() ? ref->getPointer()
-                       : reinterpret_cast<User *>(const_cast<Use *>(End));
-}
-
 unsigned Use::getOperandNo() const {
   return this - getUser()->op_begin();
 }
 
-// Sets up the waymarking algorithm's tags for a series of Uses. See the
-// algorithm details here:
-//
-//   http://www.llvm.org/docs/ProgrammersManual.html#the-waymarking-algorithm
-//
-Use *Use::initTags(Use *const Start, Use *Stop) {
-  ptrdiff_t Done = 0;
-  while (Done < 20) {
-    if (Start == Stop--)
-      return Start;
-    static const PrevPtrTag tags[20] = {
-        fullStopTag,  oneDigitTag,  stopTag,      oneDigitTag, oneDigitTag,
-        stopTag,      zeroDigitTag, oneDigitTag,  oneDigitTag, stopTag,
-        zeroDigitTag, oneDigitTag,  zeroDigitTag, oneDigitTag, stopTag,
-        oneDigitTag,  oneDigitTag,  oneDigitTag,  oneDigitTag, stopTag};
-    new (Stop) Use(tags[Done++]);
-  }
-
-  ptrdiff_t Count = Done;
-  while (Start != Stop) {
-    --Stop;
-    if (!Count) {
-      new (Stop) Use(stopTag);
-      ++Done;
-      Count = Done;
-    } else {
-      new (Stop) Use(PrevPtrTag(Count & 1));
-      Count >>= 1;
-      ++Done;
-    }
-  }
-
-  return Start;
-}
-
 void Use::zap(Use *Start, const Use *Stop, bool del) {
   while (Start != Stop)
     (--Stop)->~Use();
@@ -90,37 +48,4 @@ void Use::zap(Use *Start, const Use *Stop, bool del) {
     ::operator delete(Start);
 }
 
-const Use *Use::getImpliedUser() const {
-  const Use *Current = this;
-
-  while (true) {
-    unsigned Tag = (Current++)->Prev.getInt();
-    switch (Tag) {
-    case zeroDigitTag:
-    case oneDigitTag:
-      continue;
-
-    case stopTag: {
-      ++Current;
-      ptrdiff_t Offset = 1;
-      while (true) {
-        unsigned Tag = Current->Prev.getInt();
-        switch (Tag) {
-        case zeroDigitTag:
-        case oneDigitTag:
-          ++Current;
-          Offset = (Offset << 1) + Tag;
-          continue;
-        default:
-          return Current + Offset;
-        }
-      }
-    }
-
-    case fullStopTag:
-      return Current;
-    }
-  }
-}
-
-} // End llvm namespace
+} // namespace llvm