56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
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//===-- LanaiMCExpr.h - Lanai specific MC expression classes ----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
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#define LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCValue.h"
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namespace llvm {
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class LanaiMCExpr : public MCTargetExpr {
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public:
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enum VariantKind { VK_Lanai_None, VK_Lanai_ABS_HI, VK_Lanai_ABS_LO };
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private:
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const VariantKind Kind;
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const MCExpr *Expr;
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explicit LanaiMCExpr(VariantKind Kind, const MCExpr *Expr)
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: Kind(Kind), Expr(Expr) {}
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public:
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static const LanaiMCExpr *create(VariantKind Kind, const MCExpr *Expr,
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MCContext &Ctx);
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// Returns the kind of this expression.
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VariantKind getKind() const { return Kind; }
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// Returns the child of this expression.
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const MCExpr *getSubExpr() const { return Expr; }
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void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
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bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
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const MCFixup *Fixup) const override;
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void visitUsedExpr(MCStreamer &Streamer) const override;
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MCFragment *findAssociatedFragment() const override {
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return getSubExpr()->findAssociatedFragment();
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}
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// There are no TLS LanaiMCExprs at the moment.
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void fixELFSymbolsInTLSFixups(MCAssembler & /*Asm*/) const override {}
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static bool classof(const MCExpr *E) {
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return E->getKind() == MCExpr::Target;
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}
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};
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} // end namespace llvm
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#endif
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