| //===--- 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, |
| |
| AllPeepholes = LoadCopyToLoadBorrowPeephole | |
| RedundantBorrowScopeElimPeephole | |
| RedundantCopyValueElimPeephole | LifetimeJoiningPeephole | |
| OwnershipConversionElimPeephole, |
| All = AllPeepholes | OwnedToGuaranteedPhi, |
| }; |
| |
| 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 |