7f195b36ee
This adds support for initializing the vptr member of a dynamic class in the constructor of that class. This does not include support for lowering the `cir.vtable.address_point` operation to the LLVM dialect. That handling will be added in a follow-up patch.
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This contains code dealing with C++ code generation of virtual tables.
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//
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//===----------------------------------------------------------------------===//
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#ifndef CLANG_LIB_CIR_CODEGEN_CIRGENVTABLES_H
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#define CLANG_LIB_CIR_CODEGEN_CIRGENVTABLES_H
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#include "mlir/IR/Types.h"
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#include "clang/AST/GlobalDecl.h"
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#include "clang/AST/VTableBuilder.h"
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namespace clang {
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class CXXRecordDecl;
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}
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namespace clang::CIRGen {
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class CIRGenModule;
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class CIRGenVTables {
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CIRGenModule &cgm;
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clang::VTableContextBase *vtContext;
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mlir::Type getVTableComponentType();
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public:
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CIRGenVTables(CIRGenModule &cgm);
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clang::ItaniumVTableContext &getItaniumVTableContext() {
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return *llvm::cast<clang::ItaniumVTableContext>(vtContext);
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}
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const clang::ItaniumVTableContext &getItaniumVTableContext() const {
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return *llvm::cast<clang::ItaniumVTableContext>(vtContext);
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}
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/// Returns the type of a vtable with the given layout. Normally a struct of
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/// arrays of pointers, with one struct element for each vtable in the vtable
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/// group.
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mlir::Type getVTableType(const clang::VTableLayout &layout);
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};
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} // namespace clang::CIRGen
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#endif // CLANG_LIB_CIR_CODEGEN_CIRGENVTABLES_H
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