+/// LLVMTargetMachine - This class describes a target machine that is
+/// implemented with the LLVM target-independent code generator.
+///
+class LLVMTargetMachine : public TargetMachine {
+protected: // Can only create subclasses.
+ LLVMTargetMachine(const Target &T, StringRef TargetTriple,
+ StringRef CPU, StringRef FS, TargetOptions Options,
+ Reloc::Model RM, CodeModel::Model CM,
+ CodeGenOpt::Level OL);
+
+public:
+ /// createPassConfig - Create a pass configuration object to be used by
+ /// addPassToEmitX methods for generating a pipeline of CodeGen passes.
+ virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
+
+ /// 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);
+
+ /// 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;
+ }
+};
+
+} // End llvm namespace
+