1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 8cb0a26cfe3..65c0d2df4f2 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -3609,13 +3609,13 @@ Instruction *InstCombiner::foldICmpBinOp(ICmpInst &I) {
   Value *X;
 
   // Convert add-with-unsigned-overflow comparisons into a 'not' with compare.
-  // (Op1 + X) <u Op1 --> ~Op1 <u X
-  // Op0 >u (Op0 + X) --> X >u ~Op0
+  // (Op1 + X) u</u>= Op1 --> ~Op1 u</u>= X
   if (match(Op0, m_OneUse(m_c_Add(m_Specific(Op1), m_Value(X)))) &&
-      Pred == ICmpInst::ICMP_ULT)
+      (Pred == ICmpInst::ICMP_ULT || Pred == ICmpInst::ICMP_UGE))
     return new ICmpInst(Pred, Builder.CreateNot(Op1), X);
+  // Op0 u>/u<= (Op0 + X) --> X u>/u<= ~Op0
   if (match(Op1, m_OneUse(m_c_Add(m_Specific(Op0), m_Value(X)))) &&
-      Pred == ICmpInst::ICMP_UGT)
+      (Pred == ICmpInst::ICMP_UGT || Pred == ICmpInst::ICMP_ULE))
     return new ICmpInst(Pred, X, Builder.CreateNot(Op0));
 
   bool NoOp0WrapProblem = false, NoOp1WrapProblem = false;