namespace llvm {
class InstrItineraryData;
-class JITCodeEmitter;
class GlobalValue;
class Mangler;
class MCAsmInfo;
class DataLayout;
class TargetLibraryInfo;
class TargetFrameLowering;
-class TargetInstrInfo;
class TargetIntrinsicInfo;
-class TargetJITInfo;
class TargetLowering;
class TargetPassConfig;
class TargetRegisterInfo;
class VectorTargetTransformInfo;
class formatted_raw_ostream;
class raw_ostream;
+class TargetLoweringObjectFile;
// The old pass manager infrastructure is hidden in a legacy namespace now.
namespace legacy {
unsigned RequireStructuredCFG : 1;
public:
+ mutable TargetOptions Options;
+
virtual ~TargetMachine();
const Target &getTarget() const { return TheTarget; }
- const StringRef getTargetTriple() const { return TargetTriple; }
- const StringRef getTargetCPU() const { return TargetCPU; }
- const StringRef getTargetFeatureString() const { return TargetFS; }
+ StringRef getTargetTriple() const { return TargetTriple; }
+ StringRef getTargetCPU() const { return TargetCPU; }
+ StringRef getTargetFeatureString() const { return TargetFS; }
/// getSubtargetImpl - virtual method implemented by subclasses that returns
/// a reference to that target's TargetSubtargetInfo-derived member variable.
virtual const TargetSubtargetInfo *getSubtargetImpl() const {
return nullptr;
}
-
- 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 TargetSubtargetInfo *getSubtargetImpl(const Function &) const {
+ return getSubtargetImpl();
}
- virtual const TargetLowering *getTargetLowering() const { return nullptr; }
- virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const {
+ virtual TargetLoweringObjectFile *getObjFileLowering() const {
return nullptr;
}
- virtual const DataLayout *getDataLayout() const { return nullptr; }
-
- /// getMCAsmInfo - Return target specific asm information.
- ///
- const MCAsmInfo *getMCAsmInfo() const { return AsmInfo; }
/// getSubtarget - This method returns a pointer to the specified type of
/// TargetSubtargetInfo. In debug builds, it verifies that the object being
template<typename STC> const STC &getSubtarget() const {
return *static_cast<const STC*>(getSubtargetImpl());
}
+ template <typename STC> const STC &getSubtarget(const Function *) const {
+ 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; }
+ /// getDataLayout - This method returns a pointer to the DataLayout for
+ /// the target. It should be unchanging for every subtarget.
+ virtual const DataLayout *getDataLayout() const {
+ return nullptr;
+ }
- /// getIntrinsicInfo - If intrinsic information is available, return it. If
- /// not, return null.
- ///
- virtual const TargetIntrinsicInfo *getIntrinsicInfo() const { return nullptr;}
+ /// \brief Reset the target options based on the function's attributes.
+ // FIXME: Remove TargetOptions that affect per-function code generation
+ // from TargetMachine.
+ void resetTargetOptions(const Function &F) const;
- /// getJITInfo - If this target supports a JIT, return information for it,
- /// otherwise return null.
+ /// getMCAsmInfo - Return target specific asm information.
///
- virtual TargetJITInfo *getJITInfo() { return nullptr; }
+ const MCAsmInfo *getMCAsmInfo() const { return AsmInfo; }
- /// getInstrItineraryData - Returns instruction itinerary data for the target
- /// or specific subtarget.
+ /// getIntrinsicInfo - If intrinsic information is available, return it. If
+ /// not, return null.
///
- 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 Options.MCOptions.MCRelaxAll; }
-
- /// setMCRelaxAll - Set whether all machine code instructions should be
- /// relaxed.
- void setMCRelaxAll(bool Value) { Options.MCOptions.MCRelaxAll = Value; }
-
- /// hasMCSaveTempLabels - Check whether temporary labels will be preserved
- /// (i.e., not treated as temporary).
- bool hasMCSaveTempLabels() const { return Options.MCOptions.MCSaveTempLabels; }
-
- /// setMCSaveTempLabels - Set whether temporary labels will be preserved
- /// (i.e., not treated as temporary).
- void setMCSaveTempLabels(bool Value) { Options.MCOptions.MCSaveTempLabels = Value; }
-
- /// hasMCNoExecStack - Check whether an executable stack is not needed.
- bool hasMCNoExecStack() const { return Options.MCOptions.MCNoExecStack; }
-
- /// setMCNoExecStack - Set whether an executabel stack is not needed.
- void setMCNoExecStack(bool Value) { Options.MCOptions.MCNoExecStack = Value; }
-
- /// hasMCUseDwarfDirectory - Check whether we should use .file directives with
- /// explicit directories.
- bool hasMCUseDwarfDirectory() const { return Options.MCOptions.MCUseDwarfDirectory; }
-
- /// setMCUseDwarfDirectory - Set whether all we should use .file directives
- /// with explicit directories.
- void setMCUseDwarfDirectory(bool Value) { Options.MCOptions.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 &) {}
return true;
}
- /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
- /// get machine code emitted. This uses a JITCodeEmitter object to handle
- /// actually outputting the machine code and resolving things like the address
- /// of functions. This method returns true if machine code emission is
- /// not supported.
- ///
- virtual bool addPassesToEmitMachineCode(PassManagerBase &,
- JITCodeEmitter &,
- bool /*DisableVerify*/ = true) {
- return true;
- }
-
/// addPassesToEmitMC - Add passes to the specified pass manager to get
/// machine code emitted with the MCJIT. This method returns true if machine
/// code is not supported. It fills the MCContext Ctx pointer which can be
AnalysisID StartAfter = nullptr,
AnalysisID StopAfter = nullptr) override;
- /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
- /// get machine code emitted. This uses a JITCodeEmitter object to handle
- /// actually outputting the machine code and resolving things like the address
- /// of functions. This method returns true if machine code emission is
- /// not supported.
- ///
- bool addPassesToEmitMachineCode(PassManagerBase &PM, JITCodeEmitter &MCE,
- bool DisableVerify = true) override;
-
/// addPassesToEmitMC - Add passes to the specified pass manager to get
/// machine code emitted with the MCJIT. This method returns true if machine
/// code is not supported. It fills the MCContext Ctx pointer which can be
///
bool addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx,
raw_ostream &OS, bool DisableVerify = true) override;
-
- /// addCodeEmitter - This pass should be overridden by the target to add a
- /// code emitter, if supported. If this is not supported, 'true' should be
- /// returned.
- virtual bool addCodeEmitter(PassManagerBase &,
- JITCodeEmitter &) {
- return true;
- }
};
} // End llvm namespace
projects / oota-llvm.git / blobdiff