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43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
//===--- SILUndef.h - SIL Undef Value Representation ------------*- C++ -*-===//
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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 - 2016 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_UNDEF_H
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#define SWIFT_SIL_UNDEF_H
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#include "swift/SIL/SILValue.h"
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namespace swift {
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class SILModule;
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class SILUndef : public ValueBase {
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void operator=(const SILArgument &) = delete;
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void operator delete(void *Ptr, size_t) = delete;
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SILUndef(SILType Ty) : ValueBase(ValueKind::SILUndef, Ty) {}
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public:
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static SILUndef *get(SILType Ty, SILModule *M);
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static SILUndef *get(SILType Ty, SILModule &M) { return get(Ty, &M); }
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template<class OwnerTy>
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static SILUndef *getSentinelValue(SILType Ty, OwnerTy Owner) { return new (*Owner) SILUndef(Ty); }
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static bool classof(const ValueBase *V) {
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return V->getKind() == ValueKind::SILUndef;
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}
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};
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} // end swift namespace
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#endif
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