| //===- 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.isUndefined()) | |
| return OS << "undefined"; | |
| if (Val.isOverdefined()) | |
| return OS << "overdefined"; | |
| if (Val.isNotConstant()) | |
| return OS << "notconstant<" << *Val.getNotConstant() << ">"; | |
| if (Val.isConstantRange()) | |
| return OS << "constantrange<" << Val.getConstantRange().getLower() << ", " | |
| << Val.getConstantRange().getUpper() << ">"; | |
| return OS << "constant<" << *Val.getConstant() << ">"; | |
| } | |
| } // end namespace llvm |