llvm-for-llvmta/lib/Target/VE/MCTargetDesc/VEMCExpr.h

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2.6 KiB
C++

//====- VEMCExpr.h - VE 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
//
//===----------------------------------------------------------------------===//
//
// This file describes VE-specific MCExprs, used for modifiers like
// "%hi" or "%lo" etc.,
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_VE_MCTARGETDESC_VEMCEXPR_H
#define LLVM_LIB_TARGET_VE_MCTARGETDESC_VEMCEXPR_H
#include "VEFixupKinds.h"
#include "llvm/MC/MCExpr.h"
namespace llvm {
class StringRef;
class VEMCExpr : public MCTargetExpr {
public:
enum VariantKind {
VK_VE_None,
VK_VE_REFLONG,
VK_VE_HI32,
VK_VE_LO32,
VK_VE_PC_HI32,
VK_VE_PC_LO32,
VK_VE_GOT_HI32,
VK_VE_GOT_LO32,
VK_VE_GOTOFF_HI32,
VK_VE_GOTOFF_LO32,
VK_VE_PLT_HI32,
VK_VE_PLT_LO32,
VK_VE_TLS_GD_HI32,
VK_VE_TLS_GD_LO32,
VK_VE_TPOFF_HI32,
VK_VE_TPOFF_LO32,
};
private:
const VariantKind Kind;
const MCExpr *Expr;
explicit VEMCExpr(VariantKind Kind, const MCExpr *Expr)
: Kind(Kind), Expr(Expr) {}
public:
/// @name Construction
/// @{
static const VEMCExpr *create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx);
/// @}
/// @name Accessors
/// @{
/// getOpcode - Get the kind of this expression.
VariantKind getKind() const { return Kind; }
/// getSubExpr - Get the child of this expression.
const MCExpr *getSubExpr() const { return Expr; }
/// getFixupKind - Get the fixup kind of this expression.
VE::Fixups getFixupKind() const { return getFixupKind(Kind); }
/// @}
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;
static bool classof(const MCExpr *E) {
return E->getKind() == MCExpr::Target;
}
static bool classof(const VEMCExpr *) { return true; }
static VariantKind parseVariantKind(StringRef name);
static bool printVariantKind(raw_ostream &OS, VariantKind Kind);
static void printVariantKindSuffix(raw_ostream &OS, VariantKind Kind);
static VE::Fixups getFixupKind(VariantKind Kind);
};
} // namespace llvm
#endif