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.IX Title "LLI 1"
.TH LLI 1 "1.3" "2004-07-04" "LLVM Command Guide"
.UC
.SH "NAME"
lli \- directly execute programs from \s-1LLVM\s0 bytecode
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBlli\fR [\fIoptions\fR] [\fIfilename\fR] [\fIprogram args\fR]
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBlli\fR directly executes programs in \s-1LLVM\s0 bytecode format.  It takes a program
in \s-1LLVM\s0 bytecode format and executes it using a just-in-time compiler, if one is
available for the current architecture, or an interpreter.  \fBlli\fR takes all of
the same code generator options as llc, but they are only effective when
\&\fBlli\fR is using the just-in-time compiler.
.PP
If \fIfilename\fR is not specified, then \fBlli\fR reads the \s-1LLVM\s0 bytecode for the
program from standard input.
.PP
The optional \fIargs\fR specified on the command line are passed to the program as
arguments.
.SH "OPTIONS"
.IX Header "OPTIONS"
.Ip "\fB\-help\fR" 4
.IX Item "-help"
Print a summary of command line options.
.Ip "\fB\-stats\fR" 4
.IX Item "-stats"
Print statistics from the code-generation passes. This is only meaningful for
the just-in-time compiler, at present.
.Ip "\fB\-time-passes\fR" 4
.IX Item "-time-passes"
Record the amount of time needed for each code-generation pass and print it to
standard error.
.Ip "\fB\-march\fR=\fIarch\fR" 4
.IX Item "-march=arch"
Use the specified non-default architecture arch when selecting a code generator
for the just-in-time compiler. This may result in a crash if you pick an
architecture which is not compatible with the hardware you are running \fBlli\fR on.
.Ip "\fB\-force-interpreter\fR=\fI{false,true}\fR" 4
.IX Item "-force-interpreter={false,true}"
If set to true, use the interpreter even if a just-in-time compiler is available
for this architecture. Defaults to false.
.Ip "\fB\-f\fR=\fIname\fR" 4
.IX Item "-f=name"
Call the function named \fIname\fR to start the program.  Note: The
function is assumed to have the C signature \f(CW\*(C`int\*(C'\fR \fIname\fR \f(CW\*(C`(int,
char **, char **)\*(C'\fR.  If you try to use this option to call a function of
incompatible type, undefined behavior may result. Defaults to \f(CW\*(C`main\*(C'\fR.
.SH "EXIT STATUS"
.IX Header "EXIT STATUS"
If \fBlli\fR fails to load the program, it will exit with an exit code of 1.
Otherwise, it will return the exit code of the program it executes.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
llc
.SH "AUTHOR"
.IX Header "AUTHOR"
Maintained by the \s-1LLVM\s0 Team (http://llvm.cs.uiuc.edu).