[InstCombine] Address review comments. NFC.

Author: dtcxzyw

llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp

@@ -1738,8 +1738,7 @@ Instruction *InstCombinerImpl::foldICmpAndShift(ICmpInst &Cmp,
 
     // Compute X & (C2 << Y).
     Value *NewAnd = Builder.CreateAnd(Shift->getOperand(0), NewShift);
-    return ICmpInst::Create(Instruction::ICmp, Cmp.getPredicate(), NewAnd,
-                            Cmp.getOperand(1));
+    return new ICmpInst(Cmp.getPredicate(), NewAnd, Cmp.getOperand(1));
   }
 
   return nullptr;
@@ -1845,8 +1844,7 @@ Instruction *InstCombinerImpl::foldICmpAndConstConst(ICmpInst &Cmp,
                                                /*HasNUW=*/true),
                              One, Or->getName());
         Value *NewAnd = Builder.CreateAnd(A, NewOr, And->getName());
-        return ICmpInst::Create(Instruction::ICmp, Cmp.getPredicate(), NewAnd,
-                                Cmp.getOperand(1));
+        return new ICmpInst(Cmp.getPredicate(), NewAnd, Cmp.getOperand(1));
       }
     }
   }