From f117ed462c17bcebe7a0f420885e2d7d55465912 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 20 Jul 2009 23:54:43 +0000
Subject: [PATCH] Add a comment to clarify why there isn't any code in this
 spot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76505 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/ScalarEvolution.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 2b97a8cc13d..3b388dccdee 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -4324,6 +4324,8 @@ bool ScalarEvolution::isKnownPredicate(ICmpInst::Predicate Pred,
     break;
   }
   case ICmpInst::ICMP_EQ:
+    // The check at the top of the function catches the case where
+    // the values are known to be equal.
     break;
   }
   return false;
-- 
2.34.1