| //===-- NVPTXMCExpr.h - NVPTX 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // Modeled after ARMMCExpr |
| |
| #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXMCEXPR_H |
| #define LLVM_LIB_TARGET_NVPTX_NVPTXMCEXPR_H |
| |
| #include "llvm/ADT/APFloat.h" |
| #include "llvm/MC/MCExpr.h" |
| |
| namespace llvm { |
| |
| class NVPTXFloatMCExpr : public MCTargetExpr { |
| public: |
| enum VariantKind { |
| VK_NVPTX_None, |
| VK_NVPTX_SINGLE_PREC_FLOAT, // FP constant in single-precision |
| VK_NVPTX_DOUBLE_PREC_FLOAT // FP constant in double-precision |
| }; |
| |
| private: |
| const VariantKind Kind; |
| const APFloat Flt; |
| |
| explicit NVPTXFloatMCExpr(VariantKind _Kind, APFloat _Flt) |
| : Kind(_Kind), Flt(_Flt) {} |
| |
| public: |
| /// @name Construction |
| /// @{ |
| |
| static const NVPTXFloatMCExpr *Create(VariantKind Kind, APFloat Flt, |
| MCContext &Ctx); |
| |
| static const NVPTXFloatMCExpr *CreateConstantFPSingle(APFloat Flt, |
| MCContext &Ctx) { |
| return Create(VK_NVPTX_SINGLE_PREC_FLOAT, Flt, Ctx); |
| } |
| |
| static const NVPTXFloatMCExpr *CreateConstantFPDouble(APFloat Flt, |
| MCContext &Ctx) { |
| return Create(VK_NVPTX_DOUBLE_PREC_FLOAT, Flt, Ctx); |
| } |
| |
| /// @} |
| /// @name Accessors |
| /// @{ |
| |
| /// getOpcode - Get the kind of this expression. |
| VariantKind getKind() const { return Kind; } |
| |
| /// getSubExpr - Get the child of this expression. |
| APFloat getAPFloat() const { return Flt; } |
| |
| /// @} |
| |
| void PrintImpl(raw_ostream &OS) const override; |
| bool EvaluateAsRelocatableImpl(MCValue &Res, |
| const MCAsmLayout *Layout, |
| const MCFixup *Fixup) const override { |
| return false; |
| } |
| void visitUsedExpr(MCStreamer &Streamer) const override {}; |
| const MCSection *FindAssociatedSection() const override { |
| return nullptr; |
| } |
| |
| // There are no TLS NVPTXMCExprs at the moment. |
| void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override {} |
| |
| static bool classof(const MCExpr *E) { |
| return E->getKind() == MCExpr::Target; |
| } |
| }; |
| } // end namespace llvm |
| |
| #endif |