From a0c8fc6f28808a6b859d45c7e2d3391e3e8d2963 Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Sun, 20 Apr 2008 16:58:57 +0000
Subject: [PATCH] (re)fix handling of UGT.  Pointed out by Nick Lewycky.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49991 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/ScalarEvolution.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 32e9e96a6d8..0a58f2b629d 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1980,7 +1980,8 @@ SCEVHandle ScalarEvolutionsImpl::ComputeIterationCount(const Loop *L) {
     break;
   }
   case ICmpInst::ICMP_UGT: {
-    SCEVHandle TC = HowFarToZero(SE.getMinusSCEV(LHS, RHS), L);
+    SCEVHandle TC = HowManyLessThans(SE.getNotSCEV(LHS),
+                  SE.getNotSCEV(RHS), L, false);
     if (!isa<SCEVCouldNotCompute>(TC)) return TC;
     break;
   }