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Langue: en

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Version: 2007-07-09 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)


llvm-gcc - LLVM C front-end


llvm-gcc [options] filename


The llvm-gcc command is the LLVM C front end. It is a modified version of gcc that compiles C/ObjC programs into native objects, LLVM bitcode or LLVM assembly language, depending upon the options.

By default, llvm-gcc compiles to native objects just like GCC does. If the -emit-llvm option is given then it will generate LLVM bitcode files instead. If -S (assembly) is also given, then it will generate LLVM assembly.

Being derived from the GNU Compiler Collection, llvm-gcc has many of gcc's features and accepts most of gcc's options. It handles a number of gcc's extensions to the C programming language.


Print a summary of command line options.
Do not generate an LLVM bitcode file. Rather, compile the source file into an LLVM assembly language file.
Do not generate a linked executable. Rather, compile the source file into an LLVM bitcode file. This bitcode file can then be linked with other bitcode files later on to generate a full LLVM executable.
-o filename
Specify the output file to be filename.
-I directory
Add a directory to the header file search path. This option can be repeated.
-L directory
Add directory to the library search path. This option can be repeated.
Link in the library libname.[bc | a | so]. This library should be a bitcode library.
Make the output be LLVM bitcode (or assembly) instead of native object (or assembly).


If llvm-gcc succeeds, it will exit with 0. Otherwise, if an error occurs, it will exit with a non-zero value.




Maintained by the LLVM Team (<>).
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-- Graner, Nicolas