class DataLayout;
class TargetLibraryInfo;
class TargetFrameLowering;
-class TargetInstrInfo;
class TargetIntrinsicInfo;
class TargetJITInfo;
class TargetLowering;
///
const MCAsmInfo *AsmInfo;
- unsigned MCRelaxAll : 1;
- unsigned MCNoExecStack : 1;
- unsigned MCSaveTempLabels : 1;
- unsigned MCUseCFI : 1;
- unsigned MCUseDwarfDirectory : 1;
unsigned RequireStructuredCFG : 1;
public:
virtual const TargetSubtargetInfo *getSubtargetImpl() const {
return nullptr;
}
+ virtual TargetSubtargetInfo *getSubtargetImpl() {
+ const TargetMachine *TM = this;
+ return const_cast<TargetSubtargetInfo *>(TM->getSubtargetImpl());
+ }
mutable TargetOptions Options;
/// \brief Reset the target options based on the function's attributes.
void resetTargetOptions(const MachineFunction *MF) const;
- // Interfaces to the major aspects of target machine information:
- //
- // -- Instruction opcode and operand information
- // -- Pipelines and scheduling information
- // -- Stack frame information
- // -- Selection DAG lowering information
- //
- // N.B. These objects may change during compilation. It's not safe to cache
- // them between functions.
- virtual const TargetInstrInfo *getInstrInfo() const { return nullptr; }
- virtual const TargetFrameLowering *getFrameLowering() const {
- return nullptr;
- }
- virtual const TargetLowering *getTargetLowering() const { return nullptr; }
- virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const {
- return nullptr;
- }
- virtual const DataLayout *getDataLayout() const { return nullptr; }
-
/// getMCAsmInfo - Return target specific asm information.
///
const MCAsmInfo *getMCAsmInfo() const { return AsmInfo; }
return *static_cast<const STC*>(getSubtargetImpl());
}
- /// getRegisterInfo - If register information is available, return it. If
- /// not, return null. This is kept separate from RegInfo until RegInfo has
- /// details of graph coloring register allocation removed from it.
- ///
- virtual const TargetRegisterInfo *getRegisterInfo() const { return nullptr; }
-
/// getIntrinsicInfo - If intrinsic information is available, return it. If
/// not, return null.
///
- virtual const TargetIntrinsicInfo *getIntrinsicInfo() const { return nullptr;}
-
- /// getJITInfo - If this target supports a JIT, return information for it,
- /// otherwise return null.
- ///
- virtual TargetJITInfo *getJITInfo() { return nullptr; }
-
- /// getInstrItineraryData - Returns instruction itinerary data for the target
- /// or specific subtarget.
- ///
- virtual const InstrItineraryData *getInstrItineraryData() const {
+ virtual const TargetIntrinsicInfo *getIntrinsicInfo() const {
return nullptr;
}
bool requiresStructuredCFG() const { return RequireStructuredCFG; }
void setRequiresStructuredCFG(bool Value) { RequireStructuredCFG = Value; }
- /// hasMCRelaxAll - Check whether all machine code instructions should be
- /// relaxed.
- bool hasMCRelaxAll() const { return MCRelaxAll; }
-
- /// setMCRelaxAll - Set whether all machine code instructions should be
- /// relaxed.
- void setMCRelaxAll(bool Value) { MCRelaxAll = Value; }
-
- /// hasMCSaveTempLabels - Check whether temporary labels will be preserved
- /// (i.e., not treated as temporary).
- bool hasMCSaveTempLabels() const { return MCSaveTempLabels; }
-
- /// setMCSaveTempLabels - Set whether temporary labels will be preserved
- /// (i.e., not treated as temporary).
- void setMCSaveTempLabels(bool Value) { MCSaveTempLabels = Value; }
-
- /// hasMCNoExecStack - Check whether an executable stack is not needed.
- bool hasMCNoExecStack() const { return MCNoExecStack; }
-
- /// setMCNoExecStack - Set whether an executabel stack is not needed.
- void setMCNoExecStack(bool Value) { MCNoExecStack = Value; }
-
- /// hasMCUseCFI - Check whether we should use dwarf's .cfi_* directives.
- bool hasMCUseCFI() const { return MCUseCFI; }
-
- /// setMCUseCFI - Set whether all we should use dwarf's .cfi_* directives.
- void setMCUseCFI(bool Value) { MCUseCFI = Value; }
-
- /// hasMCUseDwarfDirectory - Check whether we should use .file directives with
- /// explicit directories.
- bool hasMCUseDwarfDirectory() const { return MCUseDwarfDirectory; }
-
- /// setMCUseDwarfDirectory - Set whether all we should use .file directives
- /// with explicit directories.
- void setMCUseDwarfDirectory(bool Value) { MCUseDwarfDirectory = Value; }
-
/// getRelocationModel - Returns the code generation relocation model. The
/// choices are static, PIC, and dynamic-no-pic, and target default.
Reloc::Model getRelocationModel() const;
/// getAsmVerbosityDefault - Returns the default value of asm verbosity.
///
- static bool getAsmVerbosityDefault();
+ bool getAsmVerbosityDefault() const ;
/// setAsmVerbosityDefault - Set the default value of asm verbosity. Default
/// is false.
- static void setAsmVerbosityDefault(bool);
+ void setAsmVerbosityDefault(bool);
/// getDataSections - Return true if data objects should be emitted into their
/// own section, corresponds to -fdata-sections.
- static bool getDataSections();
+ bool getDataSections() const;
/// getFunctionSections - Return true if functions should be emitted into
/// their own section, corresponding to -ffunction-sections.
- static bool getFunctionSections();
+ bool getFunctionSections() const;
/// setDataSections - Set if the data are emit into separate sections.
- static void setDataSections(bool);
+ void setDataSections(bool);
/// setFunctionSections - Set if the functions are emit into separate
/// sections.
- static void setFunctionSections(bool);
+ void setFunctionSections(bool);
/// \brief Register analysis passes for this target with a pass manager.
virtual void addAnalysisPasses(PassManagerBase &) {}
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