X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FTarget%2FTargetMachine.h;h=2d69493a0dd2c6673cfd338186337dacf132cf33;hb=04bcc11905d2f07de49807556fa42923dbb64b03;hp=d154a9040b6c1080c406559bc9c8cdda00315314;hpb=cea72fe7634afc8d0cdb860924e6f51d2a64b842;p=oota-llvm.git diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h index d154a9040b6..2d69493a0dd 100644 --- a/include/llvm/Target/TargetMachine.h +++ b/include/llvm/Target/TargetMachine.h @@ -24,7 +24,6 @@ namespace llvm { class InstrItineraryData; -class JITCodeEmitter; class GlobalValue; class Mangler; class MCAsmInfo; @@ -35,9 +34,7 @@ class Target; class DataLayout; class TargetLibraryInfo; class TargetFrameLowering; -class TargetInstrInfo; class TargetIntrinsicInfo; -class TargetJITInfo; class TargetLowering; class TargetPassConfig; class TargetRegisterInfo; @@ -47,6 +44,7 @@ class ScalarTargetTransformInfo; 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 { @@ -87,47 +85,27 @@ protected: // Can only create subclasses. 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 @@ -135,48 +113,35 @@ public: template const STC &getSubtarget() const { return *static_cast(getSubtargetImpl()); } + template const STC &getSubtarget(const Function *) const { + return *static_cast(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; } - - /// hasMCSaveTempLabels - Check whether temporary labels will be preserved - /// (i.e., not treated as temporary). - bool hasMCSaveTempLabels() const { return Options.MCOptions.MCSaveTempLabels; } - - /// hasMCNoExecStack - Check whether an executable stack is not needed. - bool hasMCNoExecStack() const { return Options.MCOptions.MCNoExecStack; } - - /// hasMCUseDwarfDirectory - Check whether we should use .file directives with - /// explicit directories. - bool hasMCUseDwarfDirectory() const { return Options.MCOptions.MCUseDwarfDirectory; } - /// getRelocationModel - Returns the code generation relocation model. The /// choices are static, PIC, and dynamic-no-pic, and target default. Reloc::Model getRelocationModel() const; @@ -202,26 +167,26 @@ public: /// 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 &) {} @@ -248,18 +213,6 @@ public: 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 @@ -306,15 +259,6 @@ public: 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 @@ -322,14 +266,6 @@ public: /// 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