LLVM  9.0.0svn
Public Types | Public Member Functions | Static Public Member Functions | List of all members
llvm::RISCVMCExpr Class Reference

#include "Target/RISCV/MCTargetDesc/RISCVMCExpr.h"

Inheritance diagram for llvm::RISCVMCExpr:
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Collaboration diagram for llvm::RISCVMCExpr:
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Public Types

enum  VariantKind {
  VK_RISCV_None, VK_RISCV_LO, VK_RISCV_HI, VK_RISCV_PCREL_LO,
  VK_RISCV_PCREL_HI, VK_RISCV_GOT_HI, VK_RISCV_TPREL_LO, VK_RISCV_TPREL_HI,
  VK_RISCV_TPREL_ADD, VK_RISCV_TLS_GOT_HI, VK_RISCV_TLS_GD_HI, VK_RISCV_CALL,
  VK_RISCV_CALL_PLT, VK_RISCV_Invalid
}
 
- Public Types inherited from llvm::MCExpr
enum  ExprKind {
  Binary, Constant, SymbolRef, Unary,
  Target
}
 

Public Member Functions

VariantKind getKind () const
 
const MCExpr * getSubExpr () const
 
const MCFixup * getPCRelHiFixup () const
 Get the corresponding PC-relative HI fixup that a VK_RISCV_PCREL_LO points to. More...
 
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
 
void fixELFSymbolsInTLSFixups (MCAssembler &Asm) const override
 
bool evaluateAsConstant (int64_t &Res) const
 
- Public Member Functions inherited from llvm::MCTargetExpr
virtual bool isEqualTo (const MCExpr *x) const
 
virtual bool inlineAssignedExpr () const
 
- Public Member Functions inherited from llvm::MCExpr
 MCExpr (const MCExpr &)=delete
 
MCExpr & operator= (const MCExpr &)=delete
 
ExprKind getKind () const
 
SMLoc getLoc () const
 
void print (raw_ostream &OS, const MCAsmInfo *MAI, bool InParens=false) const
 
void dump () const
 
bool evaluateAsAbsolute (int64_t &Res, const MCAsmLayout &Layout, const SectionAddrMap &Addrs) const
 Try to evaluate the expression to an absolute value. More...
 
bool evaluateAsAbsolute (int64_t &Res) const
 
bool evaluateAsAbsolute (int64_t &Res, const MCAssembler &Asm) const
 
bool evaluateAsAbsolute (int64_t &Res, const MCAssembler *Asm) const
 
bool evaluateAsAbsolute (int64_t &Res, const MCAsmLayout &Layout) const
 
bool evaluateKnownAbsolute (int64_t &Res, const MCAsmLayout &Layout) const
 
bool evaluateAsRelocatable (MCValue &Res, const MCAsmLayout *Layout, const MCFixup *Fixup) const
 Try to evaluate the expression to a relocatable value, i.e. More...
 
bool evaluateAsValue (MCValue &Res, const MCAsmLayout &Layout) const
 Try to evaluate the expression to the form (a - b + constant) where neither a nor b are variables. More...
 
MCFragment * findAssociatedFragment () const
 Find the "associated section" for this expression, which is currently defined as the absolute section for constants, or otherwise the section associated with the first defined symbol in the expression. More...
 

Static Public Member Functions

static const RISCVMCExpr * create (const MCExpr *Expr, VariantKind Kind, MCContext &Ctx)
 
static bool classof (const MCExpr *E)
 
static bool classof (const RISCVMCExpr *)
 
static VariantKind getVariantKindForName (StringRef name)
 
static StringRef getVariantKindName (VariantKind Kind)
 
- Static Public Member Functions inherited from llvm::MCTargetExpr
static bool classof (const MCExpr *E)
 

Additional Inherited Members

- Protected Member Functions inherited from llvm::MCTargetExpr
 MCTargetExpr ()
 
virtual ~MCTargetExpr ()=default
 
- Protected Member Functions inherited from llvm::MCExpr
 MCExpr (ExprKind Kind, SMLoc Loc)
 
bool evaluateAsRelocatableImpl (MCValue &Res, const MCAssembler *Asm, const MCAsmLayout *Layout, const MCFixup *Fixup, const SectionAddrMap *Addrs, bool InSet) const
 

Detailed Description

Definition at line 23 of file RISCVMCExpr.h.

Member Enumeration Documentation

◆ VariantKind

enum llvm::RISCVMCExpr::VariantKind
Enumerator
VK_RISCV_None 
VK_RISCV_LO 
VK_RISCV_HI 
VK_RISCV_PCREL_LO 
VK_RISCV_PCREL_HI 
VK_RISCV_GOT_HI 
VK_RISCV_TPREL_LO 
VK_RISCV_TPREL_HI 
VK_RISCV_TPREL_ADD 
VK_RISCV_TLS_GOT_HI 
VK_RISCV_TLS_GD_HI 
VK_RISCV_CALL 
VK_RISCV_CALL_PLT 
VK_RISCV_Invalid 

Definition at line 25 of file RISCVMCExpr.h.

Member Function Documentation

◆ classof() [1/2]

static bool llvm::RISCVMCExpr::classof ( const MCExpr *  E)
inlinestatic

Definition at line 81 of file RISCVMCExpr.h.

References llvm::MCExpr::getKind(), and llvm::MCExpr::Target.

◆ classof() [2/2]

static bool llvm::RISCVMCExpr::classof ( const RISCVMCExpr *  )
inlinestatic

Definition at line 85 of file RISCVMCExpr.h.

References getVariantKindForName(), getVariantKindName(), and name.

◆ create()

const RISCVMCExpr * RISCVMCExpr::create ( const MCExpr *  Expr,
VariantKind  Kind,
MCContext &  Ctx 
)
static

Definition at line 31 of file RISCVMCExpr.cpp.

Referenced by lowerSymbolOperand(), and matchRegisterNameHelper().

◆ evaluateAsConstant()

bool RISCVMCExpr::evaluateAsConstant ( int64_t &  Res) const

Definition at line 268 of file RISCVMCExpr.cpp.

References llvm::MCExpr::evaluateAsRelocatable(), llvm::MCValue::getConstant(), getSubExpr(), llvm::MCValue::isAbsolute(), llvm_unreachable, VK_RISCV_CALL, VK_RISCV_CALL_PLT, VK_RISCV_GOT_HI, VK_RISCV_HI, VK_RISCV_LO, VK_RISCV_PCREL_HI, VK_RISCV_PCREL_LO, VK_RISCV_TLS_GD_HI, VK_RISCV_TLS_GOT_HI, VK_RISCV_TPREL_ADD, VK_RISCV_TPREL_HI, and VK_RISCV_TPREL_LO.

Referenced by findAssociatedFragment().

◆ evaluateAsRelocatableImpl()

bool RISCVMCExpr::evaluateAsRelocatableImpl ( MCValue &  Res,
const MCAsmLayout *  Layout,
const MCFixup *  Fixup 
) const
overridevirtual

Implements llvm::MCTargetExpr.

Definition at line 149 of file RISCVMCExpr.cpp.

References llvm::MCExpr::evaluateAsRelocatable(), getKind(), getSubExpr(), llvm::MCValue::getSymA(), llvm::MCValue::getSymB(), VK_RISCV_GOT_HI, VK_RISCV_HI, VK_RISCV_LO, VK_RISCV_PCREL_HI, VK_RISCV_PCREL_LO, VK_RISCV_TLS_GD_HI, VK_RISCV_TLS_GOT_HI, VK_RISCV_TPREL_ADD, VK_RISCV_TPREL_HI, and VK_RISCV_TPREL_LO.

Referenced by getSubExpr().

◆ findAssociatedFragment()

MCFragment* llvm::RISCVMCExpr::findAssociatedFragment ( ) const
inlineoverridevirtual

Implements llvm::MCTargetExpr.

Definition at line 73 of file RISCVMCExpr.h.

References llvm::HexStyle::Asm, evaluateAsConstant(), llvm::MCExpr::findAssociatedFragment(), fixELFSymbolsInTLSFixups(), and getSubExpr().

Referenced by getPCRelHiFixup().

◆ fixELFSymbolsInTLSFixups()

void RISCVMCExpr::fixELFSymbolsInTLSFixups ( MCAssembler &  Asm) const
overridevirtual

Implements llvm::MCTargetExpr.

Definition at line 255 of file RISCVMCExpr.cpp.

References fixELFSymbolsInTLSFixupsImpl(), getKind(), getSubExpr(), VK_RISCV_TLS_GD_HI, VK_RISCV_TLS_GOT_HI, and VK_RISCV_TPREL_HI.

Referenced by findAssociatedFragment().

◆ getKind()

VariantKind llvm::RISCVMCExpr::getKind ( ) const
inline

Definition at line 58 of file RISCVMCExpr.h.

Referenced by llvm::createRISCVMCCodeEmitter(), evaluateAsRelocatableImpl(), fixELFSymbolsInTLSFixups(), and printImpl().

◆ getPCRelHiFixup()

const MCFixup * RISCVMCExpr::getPCRelHiFixup ( ) const

Get the corresponding PC-relative HI fixup that a VK_RISCV_PCREL_LO points to.

Returns
nullptr if this isn't a VK_RISCV_PCREL_LO pointing to a known PC-relative HI fixup.

Definition at line 50 of file RISCVMCExpr.cpp.

References llvm::MCExpr::evaluateAsRelocatable(), llvm::MCExpr::evaluateAsValue(), F(), findAssociatedFragment(), llvm::MCExpr::findAssociatedFragment(), Fixup, llvm::RISCV::fixup_riscv_got_hi20, llvm::RISCV::fixup_riscv_pcrel_hi20, llvm::RISCV::fixup_riscv_tls_gd_hi20, llvm::RISCV::fixup_riscv_tls_got_hi20, llvm::MCValue::get(), llvm::MCAsmLayout::getAssembler(), llvm::MCAssembler::getBackend(), llvm::MCValue::getConstant(), llvm::MCSymbol::getFragment(), llvm::MCFixup::getKind(), llvm::MCFixup::getOffset(), llvm::MCSymbol::getOffset(), llvm::MCFragment::getParent(), llvm::MCSymbol::getSection(), getSubExpr(), llvm::MCValue::getSymA(), llvm::MCSymbolRefExpr::getSymbol(), llvm::MCFixup::getValue(), llvm::MCSymbol::isInSection(), and llvm::MCExpr::Target.

Referenced by getSubExpr().

◆ getSubExpr()

const MCExpr* llvm::RISCVMCExpr::getSubExpr ( ) const
inline

Definition at line 60 of file RISCVMCExpr.h.

References evaluateAsRelocatableImpl(), Fixup, getPCRelHiFixup(), printImpl(), and visitUsedExpr().

Referenced by evaluateAsConstant(), evaluateAsRelocatableImpl(), findAssociatedFragment(), fixELFSymbolsInTLSFixups(), fixELFSymbolsInTLSFixupsImpl(), getPCRelHiFixup(), and visitUsedExpr().

◆ getVariantKindForName()

RISCVMCExpr::VariantKind RISCVMCExpr::getVariantKindForName ( StringRef  name)
static

Definition at line 184 of file RISCVMCExpr.cpp.

References llvm::StringSwitch< T, R >::Case(), llvm::StringSwitch< T, R >::Default(), name, VK_RISCV_GOT_HI, VK_RISCV_HI, VK_RISCV_Invalid, VK_RISCV_LO, VK_RISCV_PCREL_HI, VK_RISCV_PCREL_LO, VK_RISCV_TLS_GD_HI, VK_RISCV_TLS_GOT_HI, VK_RISCV_TPREL_ADD, VK_RISCV_TPREL_HI, and VK_RISCV_TPREL_LO.

Referenced by classof(), and matchRegisterNameHelper().

◆ getVariantKindName()

StringRef RISCVMCExpr::getVariantKindName ( VariantKind  Kind)
static

Definition at line 199 of file RISCVMCExpr.cpp.

References llvm_unreachable, VK_RISCV_GOT_HI, VK_RISCV_HI, VK_RISCV_LO, VK_RISCV_PCREL_HI, VK_RISCV_PCREL_LO, VK_RISCV_TLS_GD_HI, VK_RISCV_TLS_GOT_HI, VK_RISCV_TPREL_ADD, VK_RISCV_TPREL_HI, and VK_RISCV_TPREL_LO.

Referenced by classof(), and printImpl().

◆ printImpl()

void RISCVMCExpr::printImpl ( raw_ostream &  OS,
const MCAsmInfo *  MAI 
) const
overridevirtual

Implements llvm::MCTargetExpr.

Definition at line 36 of file RISCVMCExpr.cpp.

References getKind(), getVariantKindName(), llvm::MCExpr::print(), VK_RISCV_CALL, VK_RISCV_CALL_PLT, and VK_RISCV_None.

Referenced by getSubExpr().

◆ visitUsedExpr()

void RISCVMCExpr::visitUsedExpr ( MCStreamer &  Streamer) const
overridevirtual

Implements llvm::MCTargetExpr.

Definition at line 180 of file RISCVMCExpr.cpp.

References getSubExpr(), and llvm::MCStreamer::visitUsedExpr().

Referenced by getSubExpr().

The documentation for this class was generated from the following files:
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