From 5b8c4401003f6eb597d0dc42f6e38e41f83306c7 Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Mon, 19 Jan 2015 20:18:13 +0000
Subject: [PATCH] IR: Extract out and reuse `storeImpl()`, NFC

llvm-svn: 226499
---
 llvm/include/llvm/IR/Metadata.h |  2 ++
 llvm/lib/IR/Metadata.cpp        | 48 +++++++++++++++++------------------------
 2 files changed, 22 insertions(+), 28 deletions(-)

diff --git a/llvm/include/llvm/IR/Metadata.h b/llvm/include/llvm/IR/Metadata.h
index 8cbd1df..bbbb328 100644
--- a/llvm/include/llvm/IR/Metadata.h
+++ b/llvm/include/llvm/IR/Metadata.h
@@ -820,6 +820,8 @@ protected:
   ~UniquableMDNode() {}
 
   void storeDistinctInContext();
+  template <class T, class StoreT>
+  static T *storeImpl(T *N, StorageType Storage, StoreT &Store);
 
 public:
   static bool classof(const Metadata *MD) {
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp
index 6513c9a..8d83e16 100644
--- a/llvm/lib/IR/Metadata.cpp
+++ b/llvm/lib/IR/Metadata.cpp
@@ -611,6 +611,21 @@ static T *getUniqued(DenseSet<T *, InfoT> &Store,
   return I == Store.end() ? nullptr : *I;
 }
 
+template <class T, class StoreT>
+T *UniquableMDNode::storeImpl(T *N, StorageType Storage, StoreT &Store) {
+  switch (Storage) {
+  case Uniqued:
+    Store.insert(N);
+    break;
+  case Distinct:
+    N->storeDistinctInContext();
+    break;
+  case Temporary:
+    llvm_unreachable("Unexpected temporary node");
+  }
+  return N;
+}
+
 MDTuple *MDTuple::getImpl(LLVMContext &Context, ArrayRef<Metadata *> MDs,
                           StorageType Storage, bool ShouldCreate) {
   unsigned Hash = 0;
@@ -625,20 +640,8 @@ MDTuple *MDTuple::getImpl(LLVMContext &Context, ArrayRef<Metadata *> MDs,
     assert(ShouldCreate && "Expected non-uniqued nodes to always be created");
   }
 
-  auto *N = new (MDs.size()) MDTuple(Context, Storage, Hash, MDs);
-
-  switch (Storage) {
-  case Uniqued:
-    Context.pImpl->MDTuples.insert(N);
-    break;
-  case Distinct:
-    N->storeDistinctInContext();
-    break;
-  case Temporary:
-    llvm_unreachable("Unexpected temporary node");
-  }
-
-  return N;
+  return storeImpl(new (MDs.size()) MDTuple(Context, Storage, Hash, MDs),
+                   Storage, Context.pImpl->MDTuples);
 }
 
 MDTuple *MDTuple::uniquifyImpl() {
@@ -702,20 +705,9 @@ MDLocation *MDLocation::getImpl(LLVMContext &Context, unsigned Line,
   Ops.push_back(Scope);
   if (InlinedAt)
     Ops.push_back(InlinedAt);
-  auto *N = new (Ops.size()) MDLocation(Context, Storage, Line, Column, Ops);
-
-  switch (Storage) {
-  case Uniqued:
-    Context.pImpl->MDLocations.insert(N);
-    break;
-  case Distinct:
-    N->storeDistinctInContext();
-    break;
-  case Temporary:
-    llvm_unreachable("Unexpected temporary node");
-  }
-
-  return N;
+  return storeImpl(new (Ops.size())
+                       MDLocation(Context, Storage, Line, Column, Ops),
+                   Storage, Context.pImpl->MDLocations);
 }
 
 MDLocation *MDLocation::uniquifyImpl() {
-- 
2.7.4