forked from OSchip/llvm-project
34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
//===- 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.isSingleCRFromUndef())
|
|
return OS << "constantrange (from undef)<"
|
|
<< Val.getConstantRange().getLower() << ", "
|
|
<< Val.getConstantRange().getUpper() << ">";
|
|
|
|
if (Val.isConstantRange())
|
|
return OS << "constantrange<" << Val.getConstantRange().getLower() << ", "
|
|
<< Val.getConstantRange().getUpper() << ">";
|
|
return OS << "constant<" << *Val.getConstant() << ">";
|
|
}
|
|
} // end namespace llvm
|