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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi Harel,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Several existing passes can take command
line arguments. Have a look at lib/Transforms/Scalar/LoopUnrollPass.cpp for
example. Its command line arguments are defined using the cl::opt objects.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Best regards,<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=navy face="Courier New"><span lang=FR
style='font-size:10.0pt;font-family:"Courier New";color:navy'>-- <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Courier New"><span lang=FR
style='font-size:10.0pt;font-family:"Courier New";color:navy'>Arnaud de
Grandmaison <o:p></o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
llvmdev-bounces@cs.uiuc.edu [mailto:llvmdev-bounces@cs.uiuc.edu] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Harel Cain<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, January 27, 2011
10:05 AM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">llvmdev@cs.uiuc.edu</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> [LLVMdev] Passing command
line arguments to optimization passes</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Hi all,<br>
<br>
I was wondering if there's any way to pass command line arguments to LLVM
optimization passes when run through the opt tool.<br>
<br>
For example, suppose I register called MyPass, then I want to run<br>
<br>
opt -load libMyPass.so -MyPass 3 < input.bc<br>
<br>
and have "3" be available to MyPass as a kind of argv argumnet
through some method.<br>
<br>
<br>
Or does it take a major rewrite of the opt tool command line parsing?<br>
<br>
<br>
Thanks!<br>
<br>
Harel Cain<o:p></o:p></span></font></p>
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