diff options
Diffstat (limited to 'include/llvm/MC')
| -rw-r--r-- | include/llvm/MC/MCAsmInfo.h | 14 | ||||
| -rw-r--r-- | include/llvm/MC/MCCodeGenInfo.h | 36 | ||||
| -rw-r--r-- | include/llvm/MC/MCContext.h | 15 | ||||
| -rw-r--r-- | include/llvm/MC/MCDwarf.h | 7 | ||||
| -rw-r--r-- | include/llvm/MC/MCObjectFileInfo.h | 278 | ||||
| -rw-r--r-- | include/llvm/MC/MCRegisterInfo.h | 80 | ||||
| -rw-r--r-- | include/llvm/MC/MCStreamer.h | 1 | ||||
| -rw-r--r-- | include/llvm/MC/MachineLocation.h | 98 |
8 files changed, 521 insertions, 8 deletions
diff --git a/include/llvm/MC/MCAsmInfo.h b/include/llvm/MC/MCAsmInfo.h index 41c1717..f9486de 100644 --- a/include/llvm/MC/MCAsmInfo.h +++ b/include/llvm/MC/MCAsmInfo.h @@ -16,8 +16,10 @@ #ifndef LLVM_TARGET_ASM_INFO_H #define LLVM_TARGET_ASM_INFO_H +#include "llvm/MC/MachineLocation.h" #include "llvm/MC/MCDirectives.h" #include <cassert> +#include <vector> namespace llvm { class MCExpr; @@ -304,6 +306,10 @@ namespace llvm { const char *const *AsmTransCBE; // Defaults to empty + //===--- Prologue State ----------------------------------------------===// + + std::vector<MachineMove> InitialFrameState; + public: explicit MCAsmInfo(); virtual ~MCAsmInfo(); @@ -512,6 +518,14 @@ namespace llvm { const char *const *getAsmCBE() const { return AsmTransCBE; } + + void addInitialFrameState(MCSymbol *label, const MachineLocation &D, + const MachineLocation &S) { + InitialFrameState.push_back(MachineMove(label, D, S)); + } + const std::vector<MachineMove> &getInitialFrameState() const { + return InitialFrameState; + } }; } diff --git a/include/llvm/MC/MCCodeGenInfo.h b/include/llvm/MC/MCCodeGenInfo.h new file mode 100644 index 0000000..908922a --- /dev/null +++ b/include/llvm/MC/MCCodeGenInfo.h @@ -0,0 +1,36 @@ +//===-- llvm/MC/MCCodeGenInfo.h - Target CodeGen Info -----------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file tracks information about the target which can affect codegen, +// asm parsing, and asm printing. For example, relocation model. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_MC_MCCODEGENINFO_H +#define LLVM_MC_MCCODEGENINFO_H + +namespace llvm { + // Relocation model types. + namespace Reloc { + enum Model { Default, Static, PIC_, DynamicNoPIC }; + } + + class MCCodeGenInfo { + /// RelocationModel - Relocation model: statcic, pic, etc. + /// + Reloc::Model RelocationModel; + + public: + void InitMCCodeGenInfo(Reloc::Model RM = Reloc::Default); + + Reloc::Model getRelocationModel() const { return RelocationModel; } + }; +} // namespace llvm + +#endif diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h index 43a9ce6..9de89fe 100644 --- a/include/llvm/MC/MCContext.h +++ b/include/llvm/MC/MCContext.h @@ -26,6 +26,8 @@ namespace llvm { class MCLabel; class MCDwarfFile; class MCDwarfLoc; + class MCObjectFileInfo; + class MCRegisterInfo; class MCLineSection; class StringRef; class Twine; @@ -46,6 +48,12 @@ namespace llvm { /// The MCAsmInfo for this target. const MCAsmInfo &MAI; + /// The MCRegisterInfo for this target. + const MCRegisterInfo &MRI; + + /// The MCObjectFileInfo for this target. + const MCObjectFileInfo *MOFI; + const TargetAsmInfo *TAI; /// Allocator - Allocator object used for creating machine code objects. @@ -110,11 +118,16 @@ namespace llvm { MCSymbol *CreateSymbol(StringRef Name); public: - explicit MCContext(const MCAsmInfo &MAI, const TargetAsmInfo *TAI); + explicit MCContext(const MCAsmInfo &MAI, const MCRegisterInfo &MRI, + const MCObjectFileInfo *MOFI, const TargetAsmInfo *TAI); ~MCContext(); const MCAsmInfo &getAsmInfo() const { return MAI; } + const MCRegisterInfo &getRegisterInfo() const { return MRI; } + + const MCObjectFileInfo *getObjectFileInfo() const { return MOFI; } + const TargetAsmInfo &getTargetAsmInfo() const { return *TAI; } void setAllowTemporaryLabels(bool Value) { AllowTemporaryLabels = Value; } diff --git a/include/llvm/MC/MCDwarf.h b/include/llvm/MC/MCDwarf.h index 90c3728..431e3c4 100644 --- a/include/llvm/MC/MCDwarf.h +++ b/include/llvm/MC/MCDwarf.h @@ -16,15 +16,13 @@ #define LLVM_MC_MCDWARF_H #include "llvm/ADT/StringRef.h" -#include "llvm/CodeGen/MachineLocation.h" // FIXME +#include "llvm/MC/MachineLocation.h" #include "llvm/MC/MCObjectWriter.h" #include "llvm/Support/raw_ostream.h" #include "llvm/Support/Dwarf.h" #include <vector> namespace llvm { - class TargetAsmInfo; - class MachineMove; class MCContext; class MCExpr; class MCSection; @@ -265,7 +263,7 @@ namespace llvm { struct MCDwarfFrameInfo { MCDwarfFrameInfo() : Begin(0), End(0), Personality(0), Lsda(0), Function(0), Instructions(), PersonalityEncoding(), - LsdaEncoding(0) {} + LsdaEncoding(0), CompactUnwindEncoding(0) {} MCSymbol *Begin; MCSymbol *End; const MCSymbol *Personality; @@ -274,6 +272,7 @@ namespace llvm { std::vector<MCCFIInstruction> Instructions; unsigned PersonalityEncoding; unsigned LsdaEncoding; + uint32_t CompactUnwindEncoding; }; class MCDwarfFrameEmitter { diff --git a/include/llvm/MC/MCObjectFileInfo.h b/include/llvm/MC/MCObjectFileInfo.h new file mode 100644 index 0000000..b507c0c --- /dev/null +++ b/include/llvm/MC/MCObjectFileInfo.h @@ -0,0 +1,278 @@ +//===-- llvm/MC/MCObjectFileInfo.h - Object File Info -----------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file describes common object file formats. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_MC_MCBJECTFILEINFO_H +#define LLVM_MC_MCBJECTFILEINFO_H + +#include "llvm/MC/MCCodeGenInfo.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/MC/SectionKind.h" + +namespace llvm { +class MCContext; +class MCSection; +class Triple; + +class MCObjectFileInfo { +protected: + /// CommDirectiveSupportsAlignment - True if .comm supports alignment. This + /// is a hack for as long as we support 10.4 Tiger, whose assembler doesn't + /// support alignment on comm. + bool CommDirectiveSupportsAlignment; + + /// SupportsWeakEmptyEHFrame - True if target object file supports a + /// weak_definition of constant 0 for an omitted EH frame. + bool SupportsWeakOmittedEHFrame; + + /// IsFunctionEHFrameSymbolPrivate - This flag is set to true if the + /// "EH_frame" symbol for EH information should be an assembler temporary (aka + /// private linkage, aka an L or .L label) or false if it should be a normal + /// non-.globl label. This defaults to true. + bool IsFunctionEHFrameSymbolPrivate; + + + /// TextSection - Section directive for standard text. + /// + const MCSection *TextSection; + + /// DataSection - Section directive for standard data. + /// + const MCSection *DataSection; + + /// BSSSection - Section that is default initialized to zero. + const MCSection *BSSSection; + + /// ReadOnlySection - Section that is readonly and can contain arbitrary + /// initialized data. Targets are not required to have a readonly section. + /// If they don't, various bits of code will fall back to using the data + /// section for constants. + const MCSection *ReadOnlySection; + + /// StaticCtorSection - This section contains the static constructor pointer + /// list. + const MCSection *StaticCtorSection; + + /// StaticDtorSection - This section contains the static destructor pointer + /// list. + const MCSection *StaticDtorSection; + + /// LSDASection - If exception handling is supported by the target, this is + /// the section the Language Specific Data Area information is emitted to. + const MCSection *LSDASection; + + /// CompactUnwindSection - If exception handling is supported by the target + /// and the target can support a compact representation of the CIE and FDE, + /// this is the section to emit them into. + const MCSection *CompactUnwindSection; + + // Dwarf sections for debug info. If a target supports debug info, these must + // be set. + const MCSection *DwarfAbbrevSection; + const MCSection *DwarfInfoSection; + const MCSection *DwarfLineSection; + const MCSection *DwarfFrameSection; + const MCSection *DwarfPubNamesSection; + const MCSection *DwarfPubTypesSection; + const MCSection *DwarfDebugInlineSection; + const MCSection *DwarfStrSection; + const MCSection *DwarfLocSection; + const MCSection *DwarfARangesSection; + const MCSection *DwarfRangesSection; + const MCSection *DwarfMacroInfoSection; + + // Extra TLS Variable Data section. If the target needs to put additional + // information for a TLS variable, it'll go here. + const MCSection *TLSExtraDataSection; + + /// TLSDataSection - Section directive for Thread Local data. + /// ELF and MachO only. + const MCSection *TLSDataSection; // Defaults to ".tdata". + + /// TLSBSSSection - Section directive for Thread Local uninitialized data. + /// Null if this target doesn't support a BSS section. + /// ELF and MachO only. + const MCSection *TLSBSSSection; // Defaults to ".tbss". + + + /// EHFrameSection - EH frame section. It is initialized on demand so it + /// can be overwritten (with uniquing). + const MCSection *EHFrameSection; + + /// ELF specific sections. + /// + const MCSection *DataRelSection; + const MCSection *DataRelLocalSection; + const MCSection *DataRelROSection; + const MCSection *DataRelROLocalSection; + const MCSection *MergeableConst4Section; + const MCSection *MergeableConst8Section; + const MCSection *MergeableConst16Section; + + /// MachO specific sections. + /// + + /// TLSTLVSection - Section for thread local structure information. + /// Contains the source code name of the variable, visibility and a pointer + /// to the initial value (.tdata or .tbss). + const MCSection *TLSTLVSection; // Defaults to ".tlv". + + /// TLSThreadInitSection - Section for thread local data initialization + /// functions. + const MCSection *TLSThreadInitSection; // Defaults to ".thread_init_func". + + const MCSection *CStringSection; + const MCSection *UStringSection; + const MCSection *TextCoalSection; + const MCSection *ConstTextCoalSection; + const MCSection *ConstDataSection; + const MCSection *DataCoalSection; + const MCSection *DataCommonSection; + const MCSection *DataBSSSection; + const MCSection *FourByteConstantSection; + const MCSection *EightByteConstantSection; + const MCSection *SixteenByteConstantSection; + const MCSection *LazySymbolPointerSection; + const MCSection *NonLazySymbolPointerSection; + + /// COFF specific sections. + /// + const MCSection *DrectveSection; + const MCSection *PDataSection; + const MCSection *XDataSection; + +public: + void InitMCObjectFileInfo(StringRef TT, Reloc::Model RM, MCContext &ctx); + + bool isFunctionEHFrameSymbolPrivate() const { + return IsFunctionEHFrameSymbolPrivate; + } + bool getSupportsWeakOmittedEHFrame() const { + return SupportsWeakOmittedEHFrame; + } + bool getCommDirectiveSupportsAlignment() const { + return CommDirectiveSupportsAlignment; + } + + const MCSection *getTextSection() const { return TextSection; } + const MCSection *getDataSection() const { return DataSection; } + const MCSection *getBSSSection() const { return BSSSection; } + const MCSection *getStaticCtorSection() const { return StaticCtorSection; } + const MCSection *getStaticDtorSection() const { return StaticDtorSection; } + const MCSection *getLSDASection() const { return LSDASection; } + const MCSection *getCompactUnwindSection() const{ + return CompactUnwindSection; + } + const MCSection *getDwarfAbbrevSection() const { return DwarfAbbrevSection; } + const MCSection *getDwarfInfoSection() const { return DwarfInfoSection; } + const MCSection *getDwarfLineSection() const { return DwarfLineSection; } + const MCSection *getDwarfFrameSection() const { return DwarfFrameSection; } + const MCSection *getDwarfPubNamesSection() const{return DwarfPubNamesSection;} + const MCSection *getDwarfPubTypesSection() const{return DwarfPubTypesSection;} + const MCSection *getDwarfDebugInlineSection() const { + return DwarfDebugInlineSection; + } + const MCSection *getDwarfStrSection() const { return DwarfStrSection; } + const MCSection *getDwarfLocSection() const { return DwarfLocSection; } + const MCSection *getDwarfARangesSection() const { return DwarfARangesSection;} + const MCSection *getDwarfRangesSection() const { return DwarfRangesSection; } + const MCSection *getDwarfMacroInfoSection() const { + return DwarfMacroInfoSection; + } + const MCSection *getTLSExtraDataSection() const { + return TLSExtraDataSection; + } + const MCSection *getTLSDataSection() const { return TLSDataSection; } + const MCSection *getTLSBSSSection() const { return TLSBSSSection; } + + /// ELF specific sections. + /// + const MCSection *getDataRelSection() const { return DataRelSection; } + const MCSection *getDataRelLocalSection() const { + return DataRelLocalSection; + } + const MCSection *getDataRelROSection() const { return DataRelROSection; } + const MCSection *getDataRelROLocalSection() const { + return DataRelROLocalSection; + } + const MCSection *getMergeableConst4Section() const { + return MergeableConst4Section; + } + const MCSection *getMergeableConst8Section() const { + return MergeableConst8Section; + } + const MCSection *getMergeableConst16Section() const { + return MergeableConst16Section; + } + + /// MachO specific sections. + /// + const MCSection *getTLSTLVSection() const { return TLSTLVSection; } + const MCSection *getTLSThreadInitSection() const { + return TLSThreadInitSection; + } + const MCSection *getCStringSection() const { return CStringSection; } + const MCSection *getUStringSection() const { return UStringSection; } + const MCSection *getTextCoalSection() const { return TextCoalSection; } + const MCSection *getConstTextCoalSection() const { + return ConstTextCoalSection; + } + const MCSection *getConstDataSection() const { return ConstDataSection; } + const MCSection *getDataCoalSection() const { return DataCoalSection; } + const MCSection *getDataCommonSection() const { return DataCommonSection; } + const MCSection *getDataBSSSection() const { return DataBSSSection; } + const MCSection *getFourByteConstantSection() const { + return FourByteConstantSection; + } + const MCSection *getEightByteConstantSection() const { + return EightByteConstantSection; + } + const MCSection *getSixteenByteConstantSection() const { + return SixteenByteConstantSection; + } + const MCSection *getLazySymbolPointerSection() const { + return LazySymbolPointerSection; + } + const MCSection *getNonLazySymbolPointerSection() const { + return NonLazySymbolPointerSection; + } + + /// COFF specific sections. + /// + const MCSection *getDrectveSection() const { return DrectveSection; } + const MCSection *getPDataSection() const { return PDataSection; } + const MCSection *getXDataSection() const { return XDataSection; } + + const MCSection *getEHFrameSection() { + if (!EHFrameSection) + InitEHFrameSection(); + return EHFrameSection; + } + +private: + enum Environment { IsMachO, IsELF, IsCOFF }; + Environment Env; + Reloc::Model RelocM; + MCContext *Ctx; + + void InitMachOMCObjectFileInfo(Triple T); + void InitELFMCObjectFileInfo(Triple T); + void InitCOFFMCObjectFileInfo(Triple T); + + /// InitEHFrameSection - Initialize EHFrameSection on demand. + /// + void InitEHFrameSection(); +}; + +} // end namespace llvm + +#endif diff --git a/include/llvm/MC/MCRegisterInfo.h b/include/llvm/MC/MCRegisterInfo.h index caf98bb..64f9fb4 100644 --- a/include/llvm/MC/MCRegisterInfo.h +++ b/include/llvm/MC/MCRegisterInfo.h @@ -16,6 +16,7 @@ #ifndef LLVM_MC_MCREGISTERINFO_H #define LLVM_MC_MCREGISTERINFO_H +#include "llvm/ADT/DenseMap.h" #include <cassert> namespace llvm { @@ -51,17 +52,59 @@ struct MCRegisterDesc { /// class MCRegisterInfo { private: - const MCRegisterDesc *Desc; // Pointer to the descriptor array - unsigned NumRegs; // Number of entries in the array + const MCRegisterDesc *Desc; // Pointer to the descriptor array + unsigned NumRegs; // Number of entries in the array + unsigned RAReg; // Return address register + DenseMap<unsigned, int> L2DwarfRegs; // LLVM to Dwarf regs mapping + DenseMap<unsigned, int> EHL2DwarfRegs; // LLVM to Dwarf regs mapping EH + DenseMap<unsigned, unsigned> Dwarf2LRegs; // Dwarf to LLVM regs mapping + DenseMap<unsigned, unsigned> EHDwarf2LRegs; // Dwarf to LLVM regs mapping EH + DenseMap<unsigned, int> L2SEHRegs; // LLVM to SEH regs mapping public: /// InitMCRegisterInfo - Initialize MCRegisterInfo, called by TableGen /// auto-generated routines. *DO NOT USE*. - void InitMCRegisterInfo(const MCRegisterDesc *D, unsigned NR) { + void InitMCRegisterInfo(const MCRegisterDesc *D, unsigned NR, unsigned RA) { Desc = D; NumRegs = NR; + RAReg = RA; + } + + /// mapLLVMRegToDwarfReg - Used to initialize LLVM register to Dwarf + /// register number mapping. Called by TableGen auto-generated routines. + /// *DO NOT USE*. + void mapLLVMRegToDwarfReg(unsigned LLVMReg, int DwarfReg, bool isEH) { + if (isEH) + EHL2DwarfRegs[LLVMReg] = DwarfReg; + else + L2DwarfRegs[LLVMReg] = DwarfReg; } + /// mapDwarfRegToLLVMReg - Used to initialize Dwarf register to LLVM + /// register number mapping. Called by TableGen auto-generated routines. + /// *DO NOT USE*. + void mapDwarfRegToLLVMReg(unsigned DwarfReg, unsigned LLVMReg, bool isEH) { + if (isEH) + EHDwarf2LRegs[DwarfReg] = LLVMReg; + else + Dwarf2LRegs[DwarfReg] = LLVMReg; + } + + /// mapLLVMRegToSEHReg - Used to initialize LLVM register to SEH register + /// number mapping. By default the SEH register number is just the same + /// as the LLVM register number. + /// FIXME: TableGen these numbers. Currently this requires target specific + /// initialization code. + void mapLLVMRegToSEHReg(unsigned LLVMReg, int SEHReg) { + L2SEHRegs[LLVMReg] = SEHReg; + } + + /// getRARegister - This method should return the register where the return + /// address can be found. + unsigned getRARegister() const { + return RAReg; + } + const MCRegisterDesc &operator[](unsigned RegNo) const { assert(RegNo < NumRegs && "Attempting to access record for invalid register number!"); @@ -122,6 +165,37 @@ public: unsigned getNumRegs() const { return NumRegs; } + + /// getDwarfRegNum - Map a target register to an equivalent dwarf register + /// number. Returns -1 if there is no equivalent value. The second + /// parameter allows targets to use different numberings for EH info and + /// debugging info. + int getDwarfRegNum(unsigned RegNum, bool isEH) const { + const DenseMap<unsigned, int> &M = isEH ? EHL2DwarfRegs : L2DwarfRegs; + const DenseMap<unsigned, int>::const_iterator I = M.find(RegNum); + if (I == M.end()) return -1; + return I->second; + } + + /// getLLVMRegNum - Map a dwarf register back to a target register. + /// + int getLLVMRegNum(unsigned RegNum, bool isEH) const { + const DenseMap<unsigned, unsigned> &M = isEH ? EHDwarf2LRegs : Dwarf2LRegs; + const DenseMap<unsigned, unsigned>::const_iterator I = M.find(RegNum); + if (I == M.end()) { + assert(0 && "Invalid RegNum"); + return -1; + } + return I->second; + } + + /// getSEHRegNum - Map a target register to an equivalent SEH register + /// number. Returns LLVM register number if there is no equivalent value. + int getSEHRegNum(unsigned RegNum) const { + const DenseMap<unsigned, int>::const_iterator I = L2SEHRegs.find(RegNum); + if (I == L2SEHRegs.end()) return (int)RegNum; + return I->second; + } }; } // End llvm namespace diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h index 7bdba5f..d7b8fc1 100644 --- a/include/llvm/MC/MCStreamer.h +++ b/include/llvm/MC/MCStreamer.h @@ -470,6 +470,7 @@ namespace llvm { void EmitDwarfSetLineAddr(int64_t LineDelta, const MCSymbol *Label, int PointerSize); + virtual void EmitCompactUnwindEncoding(uint32_t CompactUnwindEncoding); virtual void EmitCFISections(bool EH, bool Debug); virtual void EmitCFIStartProc(); virtual void EmitCFIEndProc(); diff --git a/include/llvm/MC/MachineLocation.h b/include/llvm/MC/MachineLocation.h new file mode 100644 index 0000000..8ddfdbc --- /dev/null +++ b/include/llvm/MC/MachineLocation.h @@ -0,0 +1,98 @@ +//===-- llvm/MC/MachineLocation.h -------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// The MachineLocation class is used to represent a simple location in a machine +// frame. Locations will be one of two forms; a register or an address formed +// from a base address plus an offset. Register indirection can be specified by +// using an offset of zero. +// +// The MachineMove class is used to represent abstract move operations in the +// prolog/epilog of a compiled function. A collection of these objects can be +// used by a debug consumer to track the location of values when unwinding stack +// frames. +//===----------------------------------------------------------------------===// + + +#ifndef LLVM_MC_MACHINELOCATION_H +#define LLVM_MC_MACHINELOCATION_H + +namespace llvm { + class MCSymbol; + +class MachineLocation { +private: + bool IsRegister; // True if location is a register. + unsigned Register; // gcc/gdb register number. + int Offset; // Displacement if not register. +public: + enum { + // The target register number for an abstract frame pointer. The value is + // an arbitrary value that doesn't collide with any real target register. + VirtualFP = ~0U + }; + MachineLocation() + : IsRegister(false), Register(0), Offset(0) {} + explicit MachineLocation(unsigned R) + : IsRegister(true), Register(R), Offset(0) {} + MachineLocation(unsigned R, int O) + : IsRegister(false), Register(R), Offset(O) {} + + bool operator==(const MachineLocation &Other) const { + return IsRegister == Other.IsRegister && Register == Other.Register && + Offset == Other.Offset; + } + + // Accessors + bool isReg() const { return IsRegister; } + unsigned getReg() const { return Register; } + int getOffset() const { return Offset; } + void setIsRegister(bool Is) { IsRegister = Is; } + void setRegister(unsigned R) { Register = R; } + void setOffset(int O) { Offset = O; } + void set(unsigned R) { + IsRegister = true; + Register = R; + Offset = 0; + } + void set(unsigned R, int O) { + IsRegister = false; + Register = R; + Offset = O; + } + +#ifndef NDEBUG + void dump(); +#endif +}; + +/// MachineMove - This class represents the save or restore of a callee saved +/// register that exception or debug info needs to know about. +class MachineMove { +private: + /// Label - Symbol for post-instruction address when result of move takes + /// effect. + MCSymbol *Label; + + // Move to & from location. + MachineLocation Destination, Source; +public: + MachineMove() : Label(0) {} + + MachineMove(MCSymbol *label, const MachineLocation &D, + const MachineLocation &S) + : Label(label), Destination(D), Source(S) {} + + // Accessors + MCSymbol *getLabel() const { return Label; } + const MachineLocation &getDestination() const { return Destination; } + const MachineLocation &getSource() const { return Source; } +}; + +} // End llvm namespace + +#endif |