UseListOrder: Create a struct around OrderMap, NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214241 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Bitcode/Writer/ValueEnumerator.cpp b/lib/Bitcode/Writer/ValueEnumerator.cpp
index 67634f1ac6c50f23c865967d5288c49731679cb6..5624e02a5c86bfbb43ead745a92c80be6c44e593 100644 (file)
--- a/lib/Bitcode/Writer/ValueEnumerator.cpp
+++ b/lib/Bitcode/Writer/ValueEnumerator.cpp
@@ -26,7 +26,15 @@
 using namespace llvm;
 
 namespace {
-typedef DenseMap<const Value *, std::pair<unsigned, bool>> OrderMap;
+struct OrderMap {
+  DenseMap<const Value *, std::pair<unsigned, bool>> IDs;
+
+  unsigned size() const { return IDs.size(); }
+  std::pair<unsigned, bool> &operator[](const Value *V) { return IDs[V]; }
+  std::pair<unsigned, bool> lookup(const Value *V) const {
+    return IDs.lookup(V);
+  }
+};
 }
 
 static void orderValue(const Value *V, OrderMap &OM) {