llvm/clang/lib/AST/ExprConstShared.h

//===--- ExprConstShared.h - Shared consetxpr functionality ----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Shared functionality between the new constant expression
// interpreter (AST/ByteCode/) and the current one (ExprConstant.cpp).
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_AST_EXPRCONSTSHARED_H
#define LLVM_CLANG_LIB_AST_EXPRCONSTSHARED_H

#include "clang/Basic/TypeTraits.h"

namespace llvm {
class APFloat;
}
namespace clang {
class QualType;
class LangOptions;
class ASTContext;
class CharUnits;
class Expr;
} // namespace clang
usingnamespaceclang;
/// Values returned by __builtin_classify_type, chosen to match the values
/// produced by GCC's builtin.
enum class GCCTypeClass { … };

GCCTypeClass EvaluateBuiltinClassifyType(QualType T,
                                         const LangOptions &LangOpts);

void HandleComplexComplexMul(llvm::APFloat A, llvm::APFloat B, llvm::APFloat C,
                             llvm::APFloat D, llvm::APFloat &ResR,
                             llvm::APFloat &ResI);
void HandleComplexComplexDiv(llvm::APFloat A, llvm::APFloat B, llvm::APFloat C,
                             llvm::APFloat D, llvm::APFloat &ResR,
                             llvm::APFloat &ResI);

CharUnits GetAlignOfExpr(const ASTContext &Ctx, const Expr *E,
                         UnaryExprOrTypeTrait ExprKind);

#endif