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