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c588c657f5
Add a separate 'verifyOwnership()' entry point so it's possible to check OSSA lifetimes at various points. Move SILGenCleanup into a SILGen pass pipeline. After SILGen, verify incomplete OSSA. After SILGenCleanup, verify ownership.
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
//===--- VerifierPrivate.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 - 2020 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_VERIFIER_VERIFIERPRIVATE_H
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#define SWIFT_SIL_VERIFIER_VERIFIERPRIVATE_H
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#include "swift/Basic/MultiMapCache.h"
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#include "swift/SIL/MemAccessUtils.h"
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#include "swift/SIL/SILValue.h"
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namespace swift {
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class BeginAccessInst;
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class LoadBorrowInst;
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class SILValue;
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class Operand;
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namespace silverifier {
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class LoadBorrowImmutabilityAnalysis {
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SmallMultiMapCache<AccessPath, Operand *> cache;
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DeadEndBlocks *deadEndBlocks = nullptr;
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public:
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/// \p deadEndBlocks should be nullptr to enforce complete OSSA lifetimes.
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LoadBorrowImmutabilityAnalysis(DeadEndBlocks *deadEndBlocks,
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const SILFunction *f);
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/// Returns true if exhaustively lbi is guaranteed to never be invalidated by
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/// local writes.
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bool isImmutable(LoadBorrowInst *lbi);
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private:
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bool isImmutableInScope(LoadBorrowInst *lbi,
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AccessPathWithBase accessPathWithBase);
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};
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} // namespace silverifier
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} // namespace swift
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#endif
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