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//===--- SemanticARCOpts.h ------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_SILOPTIMIZER_SEMANTICARC_SEMANTICARCOPTS_H
#define SWIFT_SILOPTIMIZER_SEMANTICARC_SEMANTICARCOPTS_H
#include <cstdint>
#include <type_traits>
namespace swift {
namespace semanticarc {
/// An enum used so that at the command line, we can override which transforms
/// we perform.
enum class ARCTransformKind : uint64_t {
Invalid = 0,
OwnedToGuaranteedPhi = 0x1,
LoadCopyToLoadBorrowPeephole = 0x2,
RedundantBorrowScopeElimPeephole = 0x4,
// TODO: Split RedundantCopyValueElimPeephole into more granular categories
// such as dead live range, guaranteed copy_value opt, etc.
RedundantCopyValueElimPeephole = 0x8,
LifetimeJoiningPeephole = 0x10,
OwnershipConversionElimPeephole = 0x20,
RedundantMoveValueElim = 0x40,
AllPeepholes = LoadCopyToLoadBorrowPeephole |
RedundantBorrowScopeElimPeephole |
RedundantCopyValueElimPeephole | LifetimeJoiningPeephole |
OwnershipConversionElimPeephole,
All = AllPeepholes | OwnedToGuaranteedPhi | RedundantMoveValueElim,
};
inline ARCTransformKind operator&(ARCTransformKind lhs, ARCTransformKind rhs) {
using UnderlyingTy = std::underlying_type<ARCTransformKind>::type;
return ARCTransformKind(UnderlyingTy(lhs) & UnderlyingTy(rhs));
}
} // namespace semanticarc
} // namespace swift
#endif
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