1 //===- ValueLattice.cpp - Value constraint analysis -------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Analysis/ValueLattice.h"
13 raw_ostream &operator<<(raw_ostream &OS, const ValueLatticeElement &Val) {
14 if (Val.isUndefined())
15 return OS << "undefined";
16 if (Val.isOverdefined())
17 return OS << "overdefined";
19 if (Val.isNotConstant())
20 return OS << "notconstant<" << *Val.getNotConstant() << ">";
21 if (Val.isConstantRange())
22 return OS << "constantrange<" << Val.getConstantRange().getLower() << ", "
23 << Val.getConstantRange().getUpper() << ">";
24 return OS << "constant<" << *Val.getConstant() << ">";
26 } // end namespace llvm