[InstSimplify] Avoid use of ConstantExpr::getICmp. NFC (#67873)

Author: topperc

llvm/lib/Analysis/InstructionSimplify.cpp

@@ -3916,12 +3916,14 @@ static Value *simplifyICmpInst(unsigned Predicate, Value *LHS, Value *RHS,
           // is non-negative then LHS <s RHS.
           case ICmpInst::ICMP_SGT:
           case ICmpInst::ICMP_SGE:
-            return ConstantExpr::getICmp(ICmpInst::ICMP_SLT, C,
-                                         Constant::getNullValue(C->getType()));
+            return ConstantFoldCompareInstOperands(
+                ICmpInst::ICMP_SLT, C, Constant::getNullValue(C->getType()),
+                Q.DL);
           case ICmpInst::ICMP_SLT:
           case ICmpInst::ICMP_SLE:
-            return ConstantExpr::getICmp(ICmpInst::ICMP_SGE, C,
-                                         Constant::getNullValue(C->getType()));
+            return ConstantFoldCompareInstOperands(
+                ICmpInst::ICMP_SGE, C, Constant::getNullValue(C->getType()),
+                Q.DL);
           }
         }
       }