mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#pragma once
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//
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// This file is distributed under the MIT License. See LICENSE.md for details.
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//
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#include <algorithm>
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#include <compare>
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#include <cstdint>
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#include <map>
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#include <numeric>
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#include <optional>
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#include <set>
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/IR/DerivedTypes.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/Type.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/raw_ostream.h"
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#include "revng/Support/Debug.h"
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namespace llvm {
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class Value;
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} // end namespace llvm
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namespace dla {
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/// A representation of a pointer to a type.
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class LayoutTypePtr {
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const llvm::Value *V;
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unsigned FieldIdx;
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public:
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static constexpr unsigned fieldNumNone = std::numeric_limits<unsigned>::max();
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explicit LayoutTypePtr(const llvm::Value *Val, unsigned Idx = fieldNumNone) :
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V(Val), FieldIdx(Idx) {}
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LayoutTypePtr() = default;
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~LayoutTypePtr() = default;
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LayoutTypePtr(const LayoutTypePtr &) = default;
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LayoutTypePtr(LayoutTypePtr &&) = default;
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LayoutTypePtr &operator=(const LayoutTypePtr &) = default;
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LayoutTypePtr &operator=(LayoutTypePtr &&) = default;
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std::strong_ordering operator<=>(const LayoutTypePtr &Other) const = default;
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unsigned fieldNum() const { return FieldIdx; }
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void print(llvm::raw_ostream &Out) const;
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std::string toString() const debug_function;
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const llvm::Value &getValue() const { return *V; }
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bool isEmpty() const { return (V == nullptr); }
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}; // end class LayoutTypePtr
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using LayoutTypePtrVect = std::vector<LayoutTypePtr>;
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} // end namespace dla
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