1 files changed, 0 insertions, 55 deletions
diff --git a/contrib/llvm/lib/IR/MetadataTracking.cpp b/contrib/llvm/lib/IR/MetadataTracking.cpp
deleted file mode 100644
index 47f0b93..0000000
--- a/contrib/llvm/lib/IR/MetadataTracking.cpp
+++ /dev/null
@@ -1,55 +0,0 @@
-//===- MetadataTracking.cpp - Implement metadata tracking -----------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements Metadata tracking.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/IR/MetadataTracking.h"
-#include "llvm/IR/Metadata.h"
-
-using namespace llvm;
-
-ReplaceableMetadataImpl *ReplaceableMetadataImpl::get(Metadata &MD) {
-  if (auto *N = dyn_cast<MDNode>(&MD))
-    return N->Context.getReplaceableUses();
-  return dyn_cast<ValueAsMetadata>(&MD);
-}
-
-bool MetadataTracking::track(void *Ref, Metadata &MD, OwnerTy Owner) {
-  assert(Ref && "Expected live reference");
-  assert((Owner || *static_cast<Metadata **>(Ref) == &MD) &&
-         "Reference without owner must be direct");
-  if (auto *R = ReplaceableMetadataImpl::get(MD)) {
-    R->addRef(Ref, Owner);
-    return true;
-  }
-  return false;
-}
-
-void MetadataTracking::untrack(void *Ref, Metadata &MD) {
-  assert(Ref && "Expected live reference");
-  if (auto *R = ReplaceableMetadataImpl::get(MD))
-    R->dropRef(Ref);
-}
-
-bool MetadataTracking::retrack(void *Ref, Metadata &MD, void *New) {
-  assert(Ref && "Expected live reference");
-  assert(New && "Expected live reference");
-  assert(Ref != New && "Expected change");
-  if (auto *R = ReplaceableMetadataImpl::get(MD)) {
-    R->moveRef(Ref, New, MD);
-    return true;
-  }
-  return false;
-}
-
-bool MetadataTracking::isReplaceable(const Metadata &MD) {
-  return ReplaceableMetadataImpl::get(const_cast<Metadata &>(MD));
-}