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83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
//===--- LLVMARCOpts.h - LLVM level ARC Opts Util. Declarations -*- 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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#ifndef SWIFT_LLVMPASSES_LLVMARCOPTS_H
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#define SWIFT_LLVMPASSES_LLVMARCOPTS_H
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#include "swift/Basic/LLVM.h"
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#include "swift/Runtime/Config.h"
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#include "llvm/IR/Instructions.h"
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#include "llvm/IR/Function.h"
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#include "llvm/ADT/StringSwitch.h"
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#if defined(SWIFT_WRAPPER_PREFIX)
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#define SWIFT_WRAPPER_NAME(Name) SWIFT_WRAPPER_PREFIX Name
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#endif
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namespace swift {
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enum RT_Kind {
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#define KIND(Name, MemBehavior) RT_ ## Name,
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#include "LLVMSwift.def"
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};
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/// classifyInstruction - Take a look at the specified instruction and classify
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/// it into what kind of runtime entrypoint it is, if any.
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inline RT_Kind classifyInstruction(const llvm::Instruction &I) {
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if (!I.mayReadOrWriteMemory())
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return RT_NoMemoryAccessed;
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// Non-calls or calls to indirect functions are unknown.
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auto *CI = dyn_cast<llvm::CallInst>(&I);
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if (CI == 0) return RT_Unknown;
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llvm::Function *F = CI->getCalledFunction();
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if (F == 0) return RT_Unknown;
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return llvm::StringSwitch<RT_Kind>(F->getName())
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#define SWIFT_FUNC(Name, MemBehavior, TextualName) \
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.Case("swift_" #TextualName, RT_ ## Name)
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#define OBJC_FUNC(Name, MemBehavior, TextualName) \
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.Case("objc_" #TextualName, RT_ ## Name)
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#define SWIFT_INTERNAL_FUNC_NEVER_NONATOMIC(Name, MemBehavior, TextualName) \
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.Case("__swift_" #TextualName, RT_ ## Name)
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#include "LLVMSwift.def"
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#if defined(SWIFT_WRAPPER_PREFIX)
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#define SWIFT_FUNC(Name, MemBehavior, TextualName) \
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.Case(SWIFT_WRAPPER_NAME("swift_" #TextualName), RT_ ## Name)
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#define OBJC_FUNC(Name, MemBehavior, TextualName) \
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.Case(SWIFT_WRAPPER_NAME("objc_" #TextualName), RT_ ## Name)
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#define SWIFT_INTERNAL_FUNC_NEVER_NONATOMIC(Name, MemBehavior, TextualName)
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#include "LLVMSwift.def"
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#endif
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// Support non-atomic versions of reference counting entry points.
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#define SWIFT_FUNC(Name, MemBehavior, TextualName) \
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.Case("swift_nonatomic_" #TextualName, RT_ ## Name)
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#define OBJC_FUNC(Name, MemBehavior, TextualName) \
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.Case("objc_nonatomic_" #TextualName, RT_ ## Name)
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#define SWIFT_INTERNAL_FUNC_NEVER_NONATOMIC(Name, MemBehavior, TextualName)
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#include "LLVMSwift.def"
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#if defined(SWIFT_WRAPPER_PREFIX)
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#define SWIFT_FUNC(Name, MemBehavior, TextualName) \
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.Case(SWIFT_WRAPPER_NAME("swift_nonatomic_" #TextualName), RT_ ## Name)
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#define OBJC_FUNC(Name, MemBehavior, TextualName) \
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.Case(SWIFT_WRAPPER_NAME("objc_nonatomic_" #TextualName), RT_ ## Name)
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#define SWIFT_INTERNAL_FUNC_NEVER_NONATOMIC(Name, MemBehavior, TextualName)
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#include "LLVMSwift.def"
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#endif
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.Default(RT_Unknown);
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}
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} // end namespace swift
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#endif
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