llvm-6502/docs/CommandGuide/llc.html
2003-09-25 19:50:05 +00:00

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<title>
LLVM: llc tool
</title>
<body>
<center>
<h1>LLVM: llc tool</h1>
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<HR>
<h3>
NAME
</h3>
llc
<h3>
SYNOPSIS
</h3>
llc [options] &lt; filename&gt;
<h3>
DESCRIPTION
</h3>
The llc command compiles LLVM bytecode into assembly language for a specified
architecture. The assembly language output can then be passed through a native
assembler and linker to generate native code.
<h3>
OPTIONS
</h3>
<ul>
<li>-disable-fp-elim
<br>
Disable frame pointer elimination optimization
<p>
<li>-disable-local-ra
<br>
Use Simple RA instead of Local RegAlloc
<p>
<li>-disable-pattern-isel
<br>
Use the 'simple' X86 instruction selector
<p>
<li>-disable-peephole
<br>
Disable peephole optimization pass
<p>
<li>-disable-preopt
<br>
Disable optimizations prior to instruction selection
<p>
<li>-disable-sched
<br>
Disable local scheduling pass
<p>
<li>-disable-strip
<br>
Do not strip the LLVM bytecode included in executable
<p>
<li>-enable-maps
<br>
Emit LLVM-to-MachineCode mapping info to assembly
<p>
<li>-f
<br>
Overwrite output files
<p>
<li>-load=&lt;plugin.so&gt;
<br>
Load the specified plugin
<p>
<li>-m&lt;arch&gt;
<br>
Specify the architecture for which to generate assembly. Valid
<p>
architectures are:
<dl compact>
<di> x86
<dd>
IA-32 (Pentium and above)
<p>
<di> sparc
<dd>SPARC V9
</dl>
<p>
<li>-o &lt;filename&gt;
<br>
Output filename
<p>
<li>-print-machineinstrs
<br>
Print generated machine code
<p>
<li> -help
<br>
Print a summary of command line options.
<p>
<li> -stats
<br>
Print statistics.
<p>
<li> -time-passes
<br>
Record the amount of time needed for each pass and print it to standard
error.
<p>
</ul>
<h3>
EXIT STATUS
</h3>
If llc succeeds, it will exit with 0. Otherwise, if an error occurs, it
will exit with a non-zero value.
<h3>
SEE ALSO
</h3>
llvm-dis, lli
<HR>
<a href="http://llvm.cs.uiuc.edu">LLVM Team</a>
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