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//===- ValueLattice.cpp - Value constraint analysis -------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/ValueLattice.h"
namespace llvm {
raw_ostream &operator<<(raw_ostream &OS, const ValueLatticeElement &Val) {
if (Val.isUnknown())
return OS << "unknown";
if (Val.isUndef())
return OS << "undef";
if (Val.isOverdefined())
return OS << "overdefined";
if (Val.isNotConstant())
return OS << "notconstant<" << *Val.getNotConstant() << ">";
if (Val.isConstantRangeIncludingUndef())
return OS << "constantrange incl. undef <"
<< Val.getConstantRange(true).getLower() << ", "
<< Val.getConstantRange(true).getUpper() << ">";
if (Val.isConstantRange())
return OS << "constantrange<" << Val.getConstantRange().getLower() << ", "
<< Val.getConstantRange().getUpper() << ">";
return OS << "constant<" << *Val.getConstant() << ">";
}
} // end namespace llvm
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