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Diffstat (limited to 'lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.h')
-rw-r--r-- | lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.h b/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.h new file mode 100644 index 000000000000..5004d541ff70 --- /dev/null +++ b/lib/Target/Lanai/MCTargetDesc/LanaiMCExpr.h @@ -0,0 +1,56 @@ +//===-- LanaiMCExpr.h - Lanai 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_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 |