NAME

llvm-gcc - LLVM C front-end

SYNOPSIS

llvm-gcc [options] filename

DESCRIPTION

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.

OPTIONS

--help: Print a summary of command line options.
-S: Do not generate an LLVM bitcode file. Rather, compile the source file into an LLVM assembly language file.
-c: 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.
-lname: Link in the library libname.[bc | a | so]. This library should be a bitcode library.
-emit-llvm: Make the output be LLVM bitcode (or assembly) instead of native object (or assembly).

EXIT STATUS

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

AUTHORS