+ /// addPassesToEmitWholeFile - This method can be implemented by targets that
+ /// require having the entire module at once. This is not recommended, do not
+ /// use this.
+ virtual bool WantsWholeFile() const { return false; }
+ virtual bool addPassesToEmitWholeFile(PassManager &, formatted_raw_ostream &,
+ CodeGenFileType,
+ CodeGenOpt::Level) {
+ return true;
+ }
+};
+
+/// 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() { }
+
+ /// addCommonCodeGenPasses - Add standard LLVM codegen passes used for
+ /// both emitting to assembly files or machine code output.
+ ///
+ bool addCommonCodeGenPasses(PassManagerBase &, CodeGenOpt::Level);
+
+public:
+
+ /// addPassesToEmitFile - Add passes to the specified pass manager to get the
+ /// specified file emitted. Typically this will involve several steps of code
+ /// generation. If OptLevel is None, the code generator should emit code as fast
+ /// as possible, though the generated code may be less efficient. This method
+ /// should return FileModel::Error if emission of this file type is not
+ /// supported.
+ ///
+ /// The default implementation of this method adds components from the
+ /// LLVM retargetable code generator, invoking the methods below to get
+ /// target-specific passes in standard locations.
+ ///
+ virtual FileModel::Model addPassesToEmitFile(PassManagerBase &PM,
+ formatted_raw_ostream &Out,
+ CodeGenFileType FileType,
+ CodeGenOpt::Level);
+
+ /// addPassesToEmitFileFinish - If the passes to emit the specified file had
+ /// to be split up (e.g., to add an object writer pass), this method can be
+ /// used to finish up adding passes to emit the file, if necessary.
+ ///
+ virtual bool addPassesToEmitFileFinish(PassManagerBase &PM,
+ MachineCodeEmitter *MCE,
+ CodeGenOpt::Level);
+
+ /// addPassesToEmitFileFinish - If the passes to emit the specified file had
+ /// to be split up (e.g., to add an object writer pass), this method can be
+ /// used to finish up adding passes to emit the file, if necessary.
+ ///
+ virtual bool addPassesToEmitFileFinish(PassManagerBase &PM,
+ JITCodeEmitter *JCE,
+ CodeGenOpt::Level);
+
+ /// addPassesToEmitFileFinish - If the passes to emit the specified file had
+ /// to be split up (e.g., to add an object writer pass), this method can be
+ /// used to finish up adding passes to emit the file, if necessary.
+ ///
+ virtual bool addPassesToEmitFileFinish(PassManagerBase &PM,
+ ObjectCodeEmitter *OCE,
+ CodeGenOpt::Level);
+
+ /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
+ /// get machine code emitted. This uses a MachineCodeEmitter 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,
+ MachineCodeEmitter &MCE,
+ CodeGenOpt::Level);
+