| //===- ValueLattice.cpp - Value constraint analysis -------------*- C++ -*-===// | |
| // | |
| // The LLVM Compiler Infrastructure | |
| // | |
| // This file is distributed under the University of Illinois Open Source | |
| // License. See LICENSE.TXT for details. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #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 |