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c026e95cce
This makes it easier to understand conceptually why a ValueOwnershipKind with Any ownership is invalid and also allowed me to explicitly document the lattice that relates ownership constraints/value ownership kinds.
30 lines
982 B
C++
30 lines
982 B
C++
//===--- ValueUtils.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 - 2018 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_SIL_VALUEUTILS_H
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#define SWIFT_SIL_VALUEUTILS_H
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#include "swift/SIL/SILValue.h"
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namespace swift {
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/// Attempt to merge the ValueOwnershipKind of the passed in range's
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/// SILValues. Returns Optional<None> if we found an incompatibility.
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///
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/// NOTE: This assumes that the passed in SILValues are not values used as type
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/// dependent operands.
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ValueOwnershipKind mergeSILValueOwnership(ArrayRef<SILValue> values);
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} // namespace swift
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#endif
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