From b4569de7393ea4fbdc8d5a19e0c0e91c4db09351 Mon Sep 17 00:00:00 2001
From: Reid Kleckner <rnk@google.com>
Date: Tue, 3 Oct 2017 18:30:11 +0000
Subject: [PATCH] Implement David Blaikie's suggestion for comparison operators

llvm-svn: 314822
---
 llvm/lib/CodeGen/LiveDebugVariables.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
index 7a4694f96635..554a7511ed87 100644
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -116,10 +116,15 @@ public:
     return DbgValueLocation(NewLocNo, WasIndirect);
   }
 
-  bool operator==(const DbgValueLocation &O) const {
-    return LocNo == O.LocNo && WasIndirect == O.WasIndirect;
+  friend inline bool operator==(const DbgValueLocation &LHS,
+                                const DbgValueLocation &RHS) {
+    return LHS.LocNo == RHS.LocNo && LHS.WasIndirect == RHS.WasIndirect;
+  }
+
+  friend inline bool operator!=(const DbgValueLocation &LHS,
+                                const DbgValueLocation &RHS) {
+    return !(LHS == RHS);
   }
-  bool operator!=(const DbgValueLocation &O) const { return !(*this == O); }
 
 private:
   unsigned LocNo : 31;