X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FTarget%2FTargetMachine.h;h=d4b93da19be70568cb2415fbed362a822ec483fa;hb=875710a2fd6b3c4f814961582594bd5c1cdb493a;hp=35cf20a7028ef458ca9b7bacada931b34d05bd7b;hpb=73b984530f42d1b829a8de8824ae354a133d998a;p=oota-llvm.git diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h index 35cf20a7028..d4b93da19be 100644 --- a/include/llvm/Target/TargetMachine.h +++ b/include/llvm/Target/TargetMachine.h @@ -24,18 +24,17 @@ namespace llvm { class InstrItineraryData; -class JITCodeEmitter; class GlobalValue; +class Mangler; class MCAsmInfo; class MCCodeGenInfo; class MCContext; -class PassManagerBase; +class MCSymbol; class Target; class DataLayout; +class TargetLibraryInfo; class TargetFrameLowering; -class TargetInstrInfo; class TargetIntrinsicInfo; -class TargetJITInfo; class TargetLowering; class TargetPassConfig; class TargetRegisterInfo; @@ -46,6 +45,12 @@ class VectorTargetTransformInfo; class formatted_raw_ostream; class raw_ostream; +// The old pass manager infrastructure is hidden in a legacy namespace now. +namespace legacy { +class PassManagerBase; +} +using legacy::PassManagerBase; + //===----------------------------------------------------------------------===// /// /// TargetMachine - Primary interface to the complete machine description for @@ -69,20 +74,18 @@ protected: // Can only create subclasses. std::string TargetFS; /// CodeGenInfo - Low level target information such as relocation model. - const MCCodeGenInfo *CodeGenInfo; + /// Non-const to allow resetting optimization level per-function. + MCCodeGenInfo *CodeGenInfo; /// AsmInfo - Contains target specific asm information. /// const MCAsmInfo *AsmInfo; - unsigned MCRelaxAll : 1; - unsigned MCNoExecStack : 1; - unsigned MCSaveTempLabels : 1; - unsigned MCUseLoc : 1; - unsigned MCUseCFI : 1; - unsigned MCUseDwarfDirectory : 1; + unsigned RequireStructuredCFG : 1; public: + mutable TargetOptions Options; + virtual ~TargetMachine(); const Target &getTarget() const { return TheTarget; } @@ -93,25 +96,9 @@ public: /// getSubtargetImpl - virtual method implemented by subclasses that returns /// a reference to that target's TargetSubtargetInfo-derived member variable. - virtual const TargetSubtargetInfo *getSubtargetImpl() const { return 0; } - - TargetOptions Options; - - // 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 - // - virtual const TargetInstrInfo *getInstrInfo() const { return 0; } - virtual const TargetFrameLowering *getFrameLowering() const { return 0; } - virtual const TargetLowering *getTargetLowering() const { return 0; } - virtual const TargetSelectionDAGInfo *getSelectionDAGInfo() const{ return 0; } - virtual const DataLayout *getDataLayout() const { return 0; } - - /// getMCAsmInfo - Return target specific asm information. - /// - const MCAsmInfo *getMCAsmInfo() const { return AsmInfo; } + virtual const TargetSubtargetInfo *getSubtargetImpl() const { + return nullptr; + } /// getSubtarget - This method returns a pointer to the specified type of /// TargetSubtargetInfo. In debug builds, it verifies that the object being @@ -120,70 +107,22 @@ public: 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. + /// \brief Reset the target options based on the function's attributes. + void resetTargetOptions(const MachineFunction *MF) const; + + /// getMCAsmInfo - Return target specific asm information. /// - virtual const TargetRegisterInfo *getRegisterInfo() const { return 0; } + const MCAsmInfo *getMCAsmInfo() const { return AsmInfo; } /// getIntrinsicInfo - If intrinsic information is available, return it. If /// not, return null. /// - virtual const TargetIntrinsicInfo *getIntrinsicInfo() const { return 0; } - - /// getJITInfo - If this target supports a JIT, return information for it, - /// otherwise return null. - /// - virtual TargetJITInfo *getJITInfo() { return 0; } - - /// getInstrItineraryData - Returns instruction itinerary data for the target - /// or specific subtarget. - /// - virtual const InstrItineraryData *getInstrItineraryData() const { - return 0; + virtual const TargetIntrinsicInfo *getIntrinsicInfo() const { + return nullptr; } - /// 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; } - - /// hasMCUseLoc - Check whether we should use dwarf's .loc directive. - bool hasMCUseLoc() const { return MCUseLoc; } - - /// setMCUseLoc - Set whether all we should use dwarf's .loc directive. - void setMCUseLoc(bool Value) { MCUseLoc = 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; } + bool requiresStructuredCFG() const { return RequireStructuredCFG; } + void setRequiresStructuredCFG(bool Value) { RequireStructuredCFG = Value; } /// getRelocationModel - Returns the code generation relocation model. The /// choices are static, PIC, and dynamic-no-pic, and target default. @@ -201,32 +140,35 @@ public: /// Default, or Aggressive. CodeGenOpt::Level getOptLevel() const; + /// \brief Overrides the optimization level. + void setOptLevel(CodeGenOpt::Level Level) const; + void setFastISel(bool Enable) { Options.EnableFastISel = Enable; } bool shouldPrintMachineCode() const { return Options.PrintMachineCode; } /// 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 &) {} @@ -248,20 +190,8 @@ public: formatted_raw_ostream &, CodeGenFileType, bool /*DisableVerify*/ = true, - AnalysisID StartAfter = 0, - AnalysisID StopAfter = 0) { - 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) { + AnalysisID /*StartAfter*/ = nullptr, + AnalysisID /*StopAfter*/ = nullptr) { return true; } @@ -276,6 +206,10 @@ public: bool /*DisableVerify*/ = true) { return true; } + + void getNameWithPrefix(SmallVectorImpl &Name, const GlobalValue *GV, + Mangler &Mang, bool MayAlwaysUsePrivate = false) const; + MCSymbol *getSymbol(const GlobalValue *GV, Mangler &Mang) const; }; /// LLVMTargetMachine - This class describes a target machine that is @@ -288,11 +222,12 @@ protected: // Can only create subclasses. Reloc::Model RM, CodeModel::Model CM, CodeGenOpt::Level OL); + void initAsmInfo(); public: /// \brief Register analysis passes for this target with a pass manager. /// /// This registers target independent analysis passes. - virtual void addAnalysisPasses(PassManagerBase &PM); + void addAnalysisPasses(PassManagerBase &PM) override; /// createPassConfig - Create a pass configuration object to be used by /// addPassToEmitX methods for generating a pipeline of CodeGen passes. @@ -301,40 +236,18 @@ public: /// addPassesToEmitFile - Add passes to the specified pass manager to get the /// specified file emitted. Typically this will involve several steps of code /// generation. - virtual bool addPassesToEmitFile(PassManagerBase &PM, - formatted_raw_ostream &Out, - CodeGenFileType FileType, - bool DisableVerify = true, - AnalysisID StartAfter = 0, - AnalysisID StopAfter = 0); - - /// 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 &PM, - JITCodeEmitter &MCE, - bool DisableVerify = true); + bool addPassesToEmitFile(PassManagerBase &PM, formatted_raw_ostream &Out, + CodeGenFileType FileType, bool DisableVerify = true, + AnalysisID StartAfter = nullptr, + AnalysisID StopAfter = nullptr) 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 /// used to build custom MCStreamer. /// - virtual bool addPassesToEmitMC(PassManagerBase &PM, - MCContext *&Ctx, - raw_ostream &OS, - bool DisableVerify = true); - - /// 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; - } + bool addPassesToEmitMC(PassManagerBase &PM, MCContext *&Ctx, + raw_ostream &OS, bool DisableVerify = true) override; }; } // End llvm namespace