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//===-- Nios2MCExpr.h - Nios2 specific MC expression classes ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_NIOS2_MCTARGETDESC_NIOS2MCEXPR_H
#define LLVM_LIB_TARGET_NIOS2_MCTARGETDESC_NIOS2MCEXPR_H
#include "llvm/MC/MCAsmLayout.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCValue.h"
namespace llvm {
class Nios2MCExpr : public MCTargetExpr {
public:
enum Nios2ExprKind {
CEK_None,
CEK_ABS_HI,
CEK_ABS_LO,
CEK_Special,
};
private:
const Nios2ExprKind Kind;
const MCExpr *Expr;
explicit Nios2MCExpr(Nios2ExprKind Kind, const MCExpr *Expr)
: Kind(Kind), Expr(Expr) {}
public:
static const Nios2MCExpr *create(Nios2ExprKind Kind, const MCExpr *Expr,
MCContext &Ctx);
static const Nios2MCExpr *create(const MCSymbol *Symbol,
Nios2MCExpr::Nios2ExprKind Kind,
MCContext &Ctx);
/// Get the kind of this expression.
Nios2ExprKind getKind() const { return Kind; }
/// Get 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();
}
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
};
} // end namespace llvm
#endif
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