get the right Pred

Co-authored-by: Yingwei Zheng <dtcxzyw@qq.com>

Author: Acthinks

llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp

@@ -4495,7 +4495,7 @@ Instruction *InstCombinerImpl::foldSelectICmp(CmpPredicate Pred, SelectInst *SI,
                "Invertible Operand0 mismatch");
         auto *NewSI = Builder.CreateSelect(Cond, Values0->second,
                                            Values1->second, SI->getName());
-        return ICmpInst::Create(Instruction::ICmp, I.getPredicate(), NewSI,
+        return ICmpInst::Create(Instruction::ICmp, Pred, NewSI,
                                 Values0->first, I.getName());
       }
     }