1b334a2ae7
There are no remaining uses of this class in the framework. This patch is part of the ongoing migration to strict handling of value categories (see https://discourse.llvm.org/t/70086 for details). Reviewed By: ymandel, xazax.hun, gribozavr2 Differential Revision: https://reviews.llvm.org/D155922
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
//===-- Value.cpp -----------------------------------------------*- 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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//
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// This file defines support functions for the `Value` type.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Analysis/FlowSensitive/Value.h"
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#include "clang/Analysis/FlowSensitive/DebugSupport.h"
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#include "llvm/Support/Casting.h"
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namespace clang {
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namespace dataflow {
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static bool areEquivalentIndirectionValues(const Value &Val1,
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const Value &Val2) {
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if (auto *IndVal1 = dyn_cast<PointerValue>(&Val1)) {
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auto *IndVal2 = cast<PointerValue>(&Val2);
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return &IndVal1->getPointeeLoc() == &IndVal2->getPointeeLoc();
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}
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return false;
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}
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bool areEquivalentValues(const Value &Val1, const Value &Val2) {
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return &Val1 == &Val2 || (Val1.getKind() == Val2.getKind() &&
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(isa<TopBoolValue>(&Val1) ||
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areEquivalentIndirectionValues(Val1, Val2)));
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}
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raw_ostream &operator<<(raw_ostream &OS, const Value &Val) {
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switch (Val.getKind()) {
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case Value::Kind::Pointer: {
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const auto *PV = dyn_cast<PointerValue>(&Val);
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return OS << "Pointer(" << &PV->getPointeeLoc() << ")";
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}
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// FIXME: support remaining cases.
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default:
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return OS << debugString(Val.getKind());
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}
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}
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} // namespace dataflow
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} // namespace clang
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