fix typo


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123516 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 2206016..471687a 100644
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -2290,7 +2290,7 @@
     if (match(Op0, m_Not(m_Value(A)))) {
       if (match(Op1, m_Not(m_Value(B))))
         return new ICmpInst(I.getPredicate(), B, A);
-      if (ConstantInt *RHSC = dyn_cast<ConstantInt>(B))
+      if (ConstantInt *RHSC = dyn_cast<ConstantInt>(Op1))
         return new ICmpInst(I.getPredicate(), ConstantExpr::getNot(RHSC), A);
     }