IR: Split out countUnresolvedOperands(), NFC

llvm-svn: 226508

1 files changed, 8 insertions, 4 deletions

diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp
index 01394137e8e..0e258623368 100644
--- a/llvm/lib/IR/Metadata.cpp
+++ b/llvm/lib/IR/Metadata.cpp
@@ -421,10 +421,7 @@ UniquableMDNode::UniquableMDNode(LLVMContext &C, unsigned ID,
     return;
 
   // Check whether any operands are unresolved, requiring re-uniquing.
-  unsigned NumUnresolved = 0;
-  for (const auto &Op : operands())
-    NumUnresolved += unsigned(isOperandUnresolved(Op));
-
+  unsigned NumUnresolved = countUnresolvedOperands();
   if (!NumUnresolved)
     return;
 
@@ -432,6 +429,13 @@ UniquableMDNode::UniquableMDNode(LLVMContext &C, unsigned ID,
   SubclassData32 = NumUnresolved;
 }
 
+unsigned UniquableMDNode::countUnresolvedOperands() const {
+  unsigned NumUnresolved = 0;
+  for (const auto &Op : operands())
+    NumUnresolved += unsigned(isOperandUnresolved(Op));
+  return NumUnresolved;
+}
+
 void UniquableMDNode::resolve() {
   assert(isUniqued() && "Expected this to be uniqued");
   assert(!isResolved() && "Expected this to be unresolved");