minor simplification in the call to ConstantRange constructor

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157024 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LazyValueInfo.cpp b/lib/Analysis/LazyValueInfo.cpp
index 5ca2746..83e0212 100644
--- a/lib/Analysis/LazyValueInfo.cpp
+++ b/lib/Analysis/LazyValueInfo.cpp
@@ -818,7 +818,7 @@
         ConstantInt *CI = dyn_cast<ConstantInt>(ICI->getOperand(1));
         if (CI && (ICI->getOperand(0) == Val || NegOffset)) {
           // Calculate the range of values that would satisfy the comparison.
-          ConstantRange CmpRange(CI->getValue(), CI->getValue()+1);
+          ConstantRange CmpRange(CI->getValue());
           ConstantRange TrueValues =
             ConstantRange::makeICmpRegion(ICI->getPredicate(), CmpRange);