c441f65f91
Also adds uses of the new printing in analysis inner loop. Differential Revision: https://reviews.llvm.org/D141716
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
//===-- Value.cpp -----------------------------------------------*- 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines support functions for the `Value` type.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/Analysis/FlowSensitive/Value.h"
|
|
#include "clang/Analysis/FlowSensitive/DebugSupport.h"
|
|
#include "llvm/Support/Casting.h"
|
|
|
|
namespace clang {
|
|
namespace dataflow {
|
|
|
|
static bool areEquivalentIndirectionValues(const Value &Val1,
|
|
const Value &Val2) {
|
|
if (auto *IndVal1 = dyn_cast<ReferenceValue>(&Val1)) {
|
|
auto *IndVal2 = cast<ReferenceValue>(&Val2);
|
|
return &IndVal1->getReferentLoc() == &IndVal2->getReferentLoc();
|
|
}
|
|
if (auto *IndVal1 = dyn_cast<PointerValue>(&Val1)) {
|
|
auto *IndVal2 = cast<PointerValue>(&Val2);
|
|
return &IndVal1->getPointeeLoc() == &IndVal2->getPointeeLoc();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool areEquivalentValues(const Value &Val1, const Value &Val2) {
|
|
return &Val1 == &Val2 || (Val1.getKind() == Val2.getKind() &&
|
|
(isa<TopBoolValue>(&Val1) ||
|
|
areEquivalentIndirectionValues(Val1, Val2)));
|
|
}
|
|
|
|
raw_ostream &operator<<(raw_ostream &OS, const Value &Val) {
|
|
switch (Val.getKind()) {
|
|
case Value::Kind::Reference: {
|
|
const auto *RV = cast<ReferenceValue>(&Val);
|
|
return OS << "Reference(" << &RV->getReferentLoc() << ")";
|
|
}
|
|
case Value::Kind::Pointer: {
|
|
const auto *PV = dyn_cast<PointerValue>(&Val);
|
|
return OS << "Pointer(" << &PV->getPointeeLoc() << ")";
|
|
}
|
|
// FIXME: support remaining cases.
|
|
default:
|
|
return OS << debugString(Val.getKind());
|
|
}
|
|
}
|
|
|
|
} // namespace dataflow
|
|
} // namespace clang
|