6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
//===-- LVRange.h -----------------------------------------------*- 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 the LVRange class, which is used to describe a debug
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// information range.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_LOGICALVIEW_CORE_LVRANGE_H
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#define LLVM_DEBUGINFO_LOGICALVIEW_CORE_LVRANGE_H
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#include "llvm/ADT/IntervalTree.h"
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#include "llvm/DebugInfo/LogicalView/Core/LVObject.h"
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namespace llvm {
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namespace logicalview {
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using LVAddressRange = std::pair<LVAddress, LVAddress>;
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class LVRangeEntry final {
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LVAddress Lower = 0;
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LVAddress Upper = 0;
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LVScope *Scope = nullptr;
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public:
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using RangeType = LVAddress;
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LVRangeEntry() = delete;
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LVRangeEntry(LVAddress LowerAddress, LVAddress UpperAddress, LVScope *Scope)
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: Lower(LowerAddress), Upper(UpperAddress), Scope(Scope) {}
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RangeType lower() const { return Lower; }
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RangeType upper() const { return Upper; }
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LVAddressRange addressRange() const {
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return LVAddressRange(lower(), upper());
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}
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LVScope *scope() const { return Scope; }
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};
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// Class to represent a list of range addresses associated with a
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// scope; the addresses are stored in ascending order and can overlap.
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using LVRangeEntries = std::vector<LVRangeEntry>;
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class LVRange final : public LVObject {
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/// Map of where a user value is live, and its location.
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using LVRangesTree = IntervalTree<LVAddress, LVScope *>;
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using LVAllocator = LVRangesTree::Allocator;
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LVAllocator Allocator;
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LVRangesTree RangesTree;
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LVRangeEntries RangeEntries;
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LVAddress Lower = MaxAddress;
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LVAddress Upper = 0;
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public:
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LVRange() : LVObject(), RangesTree(Allocator) {}
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LVRange(const LVRange &) = delete;
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LVRange &operator=(const LVRange &) = delete;
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~LVRange() = default;
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void addEntry(LVScope *Scope, LVAddress LowerAddress, LVAddress UpperAddress);
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void addEntry(LVScope *Scope);
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LVScope *getEntry(LVAddress Address) const;
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LVScope *getEntry(LVAddress LowerAddress, LVAddress UpperAddress) const;
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bool hasEntry(LVAddress Low, LVAddress High) const;
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LVAddress getLower() const { return Lower; }
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LVAddress getUpper() const { return Upper; }
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const LVRangeEntries &getEntries() const { return RangeEntries; }
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void clear() {
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RangeEntries.clear();
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Lower = MaxAddress;
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Upper = 0;
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}
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bool empty() const { return RangeEntries.empty(); }
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void sort();
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void startSearch();
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void endSearch() {}
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void print(raw_ostream &OS, bool Full = true) const override;
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void printExtra(raw_ostream &OS, bool Full = true) const override {}
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#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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void dump() const override { print(dbgs()); }
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#endif
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};
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} // end namespace logicalview
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_LOGICALVIEW_CORE_LVRANGE_H
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