1 //===- ValueLattice.cpp - Value constraint analysis -------------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "llvm/Analysis/ValueLattice.h"
12 raw_ostream &operator<<(raw_ostream &OS, const ValueLatticeElement &Val) {
14 return OS << "unknown";
17 if (Val.isOverdefined())
18 return OS << "overdefined";
20 if (Val.isNotConstant())
21 return OS << "notconstant<" << *Val.getNotConstant() << ">";
22 if (Val.isConstantRange())
23 return OS << "constantrange<" << Val.getConstantRange().getLower() << ", "
24 << Val.getConstantRange().getUpper() << ">";
25 return OS << "constant<" << *Val.getConstant() << ">";
27 } // end namespace llvm