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ef8825bfe6
LLVM has removed llvm::Optional, move over to std::optional. Also clang-format to fix up all the renamed #includes.
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
//===--- MoveOnlyBorrowToDestructure.h ------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SILOPTIMIZER_MANDATORY_MOVEONLYBORROWTODESTRUCTURE_H
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#define SWIFT_SILOPTIMIZER_MANDATORY_MOVEONLYBORROWTODESTRUCTURE_H
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#include "swift/Basic/FrozenMultiMap.h"
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#include "swift/SIL/FieldSensitivePrunedLiveness.h"
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#include "swift/SIL/StackList.h"
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#include "swift/SILOptimizer/Analysis/PostOrderAnalysis.h"
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#include "llvm/ADT/IntervalMap.h"
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namespace swift {
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namespace siloptimizer {
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class DiagnosticEmitter;
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namespace borrowtodestructure {
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class IntervalMapAllocator {
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public:
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using Map = llvm::IntervalMap<
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unsigned, SILValue,
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llvm::IntervalMapImpl::NodeSizer<unsigned, SILValue>::LeafSize,
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llvm::IntervalMapHalfOpenInfo<unsigned>>;
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using Allocator = Map::Allocator;
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private:
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/// Lazily initialized allocator.
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std::optional<Allocator> allocator;
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public:
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Allocator &get() {
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if (!allocator)
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allocator.emplace();
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return *allocator;
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}
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};
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struct Implementation;
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} // namespace borrowtodestructure
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class BorrowToDestructureTransform {
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friend borrowtodestructure::Implementation;
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using IntervalMapAllocator = borrowtodestructure::IntervalMapAllocator;
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IntervalMapAllocator &allocator;
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MarkUnresolvedNonCopyableValueInst *mmci;
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SILValue rootValue;
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DiagnosticEmitter &diagnosticEmitter;
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PostOrderAnalysis *poa;
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PostOrderFunctionInfo *pofi = nullptr;
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SmallVector<SILInstruction *, 8> createdDestructures;
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SmallVector<SILPhiArgument *, 8> createdPhiArguments;
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public:
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BorrowToDestructureTransform(IntervalMapAllocator &allocator,
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MarkUnresolvedNonCopyableValueInst *mmci,
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SILValue rootValue,
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DiagnosticEmitter &diagnosticEmitter,
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PostOrderAnalysis *poa)
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: allocator(allocator), mmci(mmci), rootValue(rootValue),
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diagnosticEmitter(diagnosticEmitter), poa(poa) {}
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bool transform();
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private:
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PostOrderFunctionInfo *getPostOrderFunctionInfo() {
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if (!pofi)
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pofi = poa->get(mmci->getFunction());
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return pofi;
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}
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};
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} // namespace siloptimizer
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} // namespace swift
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#endif
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