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//===-- LanaiMCExpr.h - Lanai specific MC expression classes ----*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
#define LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCValue.h"
namespace llvm {
class LanaiMCExpr : public MCTargetExpr {
public:
enum VariantKind { VK_Lanai_None, VK_Lanai_ABS_HI, VK_Lanai_ABS_LO };
private:
const VariantKind Kind;
const MCExpr *Expr;
explicit LanaiMCExpr(VariantKind Kind, const MCExpr *Expr)
: Kind(Kind), Expr(Expr) {}
public:
static const LanaiMCExpr *create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx);
// Returns the kind of this expression.
VariantKind getKind() const { return Kind; }
// Returns the child of this expression.
const MCExpr *getSubExpr() const { return Expr; }
void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
const MCFixup *Fixup) const override;
void visitUsedExpr(MCStreamer &Streamer) const override;
MCFragment *findAssociatedFragment() const override {
return getSubExpr()->findAssociatedFragment();
}
// There are no TLS LanaiMCExprs at the moment.
void fixELFSymbolsInTLSFixups(MCAssembler & /*Asm*/) const override {}
static bool classof(const MCExpr *E) {
return E->getKind() == MCExpr::Target;
}
};
} // end namespace llvm
#endif
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