(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
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index 32e9e96..0a58f2b 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -1980,7 +1980,8 @@
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;
}