From f699e1cb435aaf6379d06c9f37b5efc183e6d0e7 Mon Sep 17 00:00:00 2001
From: Jan Sjodin <jan_sjodin@yahoo.com>
Date: Thu, 9 Mar 2017 18:25:07 +0000
Subject: [PATCH] Add front() method to SetVector.

Differential Revision: https://reviews.llvm.org/D27262

llvm-svn: 297398
---
 include/llvm/ADT/SetVector.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/llvm/ADT/SetVector.h b/include/llvm/ADT/SetVector.h
index 4dc18bc5217..220b87983ee 100644
--- a/include/llvm/ADT/SetVector.h
+++ b/include/llvm/ADT/SetVector.h
@@ -119,6 +119,12 @@ public:
     return vector_.rend();
   }
 
+  /// \brief Return the first element of the SetVector.
+  const T &front() const {
+    assert(!empty() && "Cannot call front() on empty SetVector!");
+    return vector_.front();
+  }
+
   /// \brief Return the last element of the SetVector.
   const T &back() const {
     assert(!empty() && "Cannot call back() on empty SetVector!");