move tier out of an anonymous namespace, it doesn't make sense

to for it to be an an anon namespace and be in a header.

Eliminate some extraenous uses of tie.

llvm-svn: 135669

1 files changed, 3 insertions, 5 deletions

diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
index d817b6ed4aa..5c2b7e1a10b 100644
--- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
@@ -1260,11 +1260,9 @@ static void RewriteHeapSROALoadUser(Instruction *LoadUser,
   // already been seen first by another load, so its uses have already been
   // processed.
   PHINode *PN = cast<PHINode>(LoadUser);
-  bool Inserted;
-  DenseMap<Value*, std::vector<Value*> >::iterator InsertPos;
-  tie(InsertPos, Inserted) =
-    InsertedScalarizedValues.insert(std::make_pair(PN, std::vector<Value*>()));
-  if (!Inserted) return;
+  if (!InsertedScalarizedValues.insert(std::make_pair(PN,
+                                              std::vector<Value*>())).second)
+    return;
 
   // If this is the first time we've seen this PHI, recursively process all
   // users.