Fix refactoring mistake in "Teach InstCombine to work with smaller legal types..."

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 2e7bd92..bad46b4 100644
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -1347,7 +1347,7 @@
                         NTy);
       return new ICmpInst(ICI.getPredicate(),
                           Builder->CreateTrunc(LHSI->getOperand(0), NTy),
-                          ConstantExpr::getTrunc(NCI, NTy));
+                          NCI);
     }
 
     break;