Remove dead code.

[oota-llvm.git] / utils / TableGen / SequenceToOffsetTable.h

diff --git a/utils/TableGen/SequenceToOffsetTable.h b/utils/TableGen/SequenceToOffsetTable.h
index 97c764e61d564c3a05b7ec8632fae5c16ac65d1e..66506ea0638f0bc6618923180b20ca168e6d6c5d 100644 (file)
--- a/utils/TableGen/SequenceToOffsetTable.h
+++ b/utils/TableGen/SequenceToOffsetTable.h
@@ -13,15 +13,16 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef TBLGEN_SEQUENCE_TO_OFFSET_TABLE_H
-#define TBLGEN_SEQUENCE_TO_OFFSET_TABLE_H
+#ifndef LLVM_UTILS_TABLEGEN_SEQUENCETOOFFSETTABLE_H
+#define LLVM_UTILS_TABLEGEN_SEQUENCETOOFFSETTABLE_H
 
 #include "llvm/Support/raw_ostream.h"
-#include <functional>
 #include <algorithm>
-#include <vector>
 #include <cassert>
 #include <cctype>
+#include <functional>
+#include <map>
+#include <vector>
 
 namespace llvm {
 
@@ -29,8 +30,8 @@ namespace llvm {
 /// Compute the layout of a table that contains all the sequences, possibly by
 /// reusing entries.
 ///
-/// @param SeqT The sequence container. (vector or string).
-/// @param Less A stable comparator for SeqT elements.
+/// @tparam SeqT The sequence container. (vector or string).
+/// @tparam Less A stable comparator for SeqT elements.
 template<typename SeqT, typename Less = std::less<typename SeqT::value_type> >
 class SequenceToOffsetTable {
   typedef typename SeqT::value_type ElemT;
@@ -81,6 +82,13 @@ public:
       Seqs.erase(I);
   }
 
+  bool empty() const { return Seqs.empty(); }
+
+  unsigned size() const {
+    assert(Entries && "Call layout() before size()");
+    return Entries;
+  }
+
   /// layout - Computes the final table layout.
   void layout() {
     assert(Entries == 0 && "Can only call layout() once");