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05e50da01f
Add an utility action to print information contained in the swift compile cache key. This is useful to figure out why cache key is different.
55 lines
2.2 KiB
C++
55 lines
2.2 KiB
C++
//===--- CompileJobCacheKey.h - compile cache key methods -------*- 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 - 2017 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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//
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// This file contains declarations of utility methods for creating cache keys
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// for compilation jobs.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_COMPILEJOBCACHEKEY_H
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#define SWIFT_COMPILEJOBCACHEKEY_H
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#include "swift/AST/DiagnosticEngine.h"
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#include "swift/Basic/FileTypes.h"
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/CAS/ObjectStore.h"
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#include "llvm/Support/Error.h"
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#include "llvm/Support/raw_ostream.h"
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namespace swift {
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/// Compute CompileJobBaseKey from swift-frontend command-line arguments.
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/// CompileJobBaseKey represents the core inputs and arguments, and is used as a
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/// base to compute keys for each compiler outputs.
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// TODO: switch to create key from CompilerInvocation after we can canonicalize
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// arguments.
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llvm::Expected<llvm::cas::ObjectRef>
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createCompileJobBaseCacheKey(llvm::cas::ObjectStore &CAS,
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ArrayRef<const char *> Args);
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/// Compute CompileJobKey for the compiler outputs. The key for the output
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/// is computed from the base key for the compilation and the input file index
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/// which is the index for the input among all the input files (not just the
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/// output producing inputs).
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llvm::Expected<llvm::cas::ObjectRef>
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createCompileJobCacheKeyForOutput(llvm::cas::ObjectStore &CAS,
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llvm::cas::ObjectRef BaseKey,
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unsigned InputIndex);
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/// Print the CompileJobKey for debugging purpose.
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llvm::Error printCompileJobCacheKey(llvm::cas::ObjectStore &CAS,
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llvm::cas::ObjectRef Key,
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llvm::raw_ostream &os);
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} // namespace swift
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#endif
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