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tblgen: Target Description To C++ Code Generator


tblgen - Target Description To C++ Code Generator


tblgen [options] [filename]


tblgen translates from target description (.td) files into C++ code that can be included in the definition of an LLVM target library. Most users of LLVM will not need to use this program. It is only for assisting with writing an LLVM target backend. The input and output of tblgen is beyond the scope of this short introduction. Please see the CodeGeneration page in the LLVM documentation. The filename argument specifies the name of a Target Description (.td) file to read as input.


-help Print a summary of command line options. -o filename Specify the output file name. If filename is "-", then tblgen sends its output to standard output. -I directory Specify where to find other target description files for inclusion. The directory value should be a full or partial path to a directory that contains target description files. -asmwriternum N Make -gen-asm-writer emit assembly writer number N. -class class Name Print the enumeration list for this class. -print-records Print all records to standard output (default). -print-enums Print enumeration values for a class -gen-emitter Generate machine code emitter. -gen-register-enums Generate the enumeration values for all registers. -gen-register-desc Generate a register info description for each register. -gen-register-desc-header Generate a register info description header for each register. -gen-instr-enums Generate enumeration values for instructions. -gen-instr-desc Generate instruction descriptions. -gen-asm-writer Generate the assembly writer. -gen-dag-isel Generate a DAG (Directed Acycle Graph) instruction selector. -gen-subtarget Generate subtarget enumerations. -gen-intrinsic Generate intrinsic information. -version Show the version number of this program.
If tblgen succeeds, it will exit with 0. Otherwise, if an error occurs, it will exit with a non-zero value.
Maintained by The LLVM Team (<//llvm.org>). TBLGEN(1)

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