| //===-- 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 |