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ab1b343dad
`getValue` -> `value` `getValueOr` -> `value_or` `hasValue` -> `has_value` `map` -> `transform` The old API will be deprecated in the rebranch. To avoid merge conflicts, use the new API already in the main branch. rdar://102362022
83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
//===--- SILBuiltinVisitor.h ------------------------------------*- 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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/// \file
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///
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/// This file contains SILBuiltinVisitor, a visitor for visiting all possible
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/// builtins and llvm intrinsics able to be used by BuiltinInst.
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///
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_SIL_SILBUILTINVISITOR_H
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#define SWIFT_SIL_SILBUILTINVISITOR_H
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#include "swift/SIL/SILInstruction.h"
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#include <type_traits>
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namespace swift {
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template <typename ImplClass, typename ValueRetTy = void>
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class SILBuiltinVisitor {
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public:
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ImplClass &asImpl() { return static_cast<ImplClass &>(*this); }
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/// Perform any required pre-processing before visiting.
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///
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/// Sub-classes can override this method to provide custom pre-processing.
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void beforeVisit(BuiltinInst *BI) {}
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ValueRetTy visit(BuiltinInst *BI) {
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asImpl().beforeVisit(BI);
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if (auto BuiltinKind = BI->getBuiltinKind()) {
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switch (BuiltinKind.value()) {
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// BUILTIN_TYPE_CHECKER_OPERATION does not live past the type checker.
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#define BUILTIN_TYPE_CHECKER_OPERATION(ID, NAME) \
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case BuiltinValueKind::ID: \
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llvm_unreachable("Unexpected type checker operation seen in SIL!");
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#define BUILTIN(ID, NAME, ATTRS) \
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case BuiltinValueKind::ID: \
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return asImpl().visit##ID(BI, ATTRS);
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#include "swift/AST/Builtins.def"
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case BuiltinValueKind::None:
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llvm_unreachable("None case");
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}
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llvm_unreachable("Not all cases handled?!");
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}
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if (auto IntrinsicID = BI->getIntrinsicID()) {
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return asImpl().visitLLVMIntrinsic(BI, IntrinsicID.value());
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}
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llvm_unreachable("Not all cases handled?!");
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}
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ValueRetTy visitLLVMIntrinsic(BuiltinInst *BI, llvm::Intrinsic::ID ID) {
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return ValueRetTy();
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}
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ValueRetTy visitBuiltinValueKind(BuiltinInst *BI, BuiltinValueKind Kind,
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StringRef Attrs) {
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return ValueRetTy();
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}
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#define BUILTIN(ID, NAME, ATTRS) \
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ValueRetTy visit##ID(BuiltinInst *BI, StringRef) { \
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return asImpl().visitBuiltinValueKind(BI, BuiltinValueKind::ID, ATTRS); \
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}
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#include "swift/AST/Builtins.def"
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};
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} // end swift namespace
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#endif
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