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LLVM-AS(1) LLVM LLVM-AS(1)
llvm-as - LLVM assembler
llvm-as [options] [filename]
llvm-as is the LLVM assembler. It reads a file containing
human-readable LLVM assembly language, translates it to LLVM bitcode,
and writes the result into a file or to standard output.
If filename is omitted or is -, then llvm-as reads its input from
If an output file is not specified with the -o option, then llvm-as
sends its output to a file or standard output by following these rules:
o If the input is standard input, then the output is standard output.
o If the input is a file that ends with .ll, then the output file is of
the same name, except that the suffix is changed to .bc.
o If the input is a file that does not end with the .ll suffix, then
the output file has the same name as the input file, except that the
.bc suffix is appended.
-f Enable binary output on terminals. Normally, llvm-as will
refuse to write raw bitcode output if the output stream is a
terminal. With this option, llvm-as will write raw bitcode
regardless of the output device.
-help Print a summary of command line options.
Specify the output file name. If filename is -, then llvm-as
sends its output to standard output.
If llvm-as succeeds, it will exit with 0. Otherwise, if an error
occurs, it will exit with a non-zero value.
Maintained by the LLVM Team (https://llvm.org/).
2003-2020, LLVM Project
8 2020-02-22 LLVM-AS(1)