[LLVMdev] outlining in llvm

[Tehila Mayzels]

Hi Alexey,

 

Thanks a lot. I'll try it.

 

Tehila.

 

From: Bataev, Alexey [mailto:a.bataev at hotmail.com] 
Sent: Tuesday, January 13, 2015 7:07 AM
To: Tehila Mayzels; llvmdev at cs.uiuc.edu
Subject: Re: [LLVMdev] outlining in llvm

 

Hi Tehila,
You can try to use function outlining implemented in clang. It is based on class CapturedStmt.
You can try it with the the following construct:

#pragma clang __debug captured
<Code to be outlined>

Implementation is in clang/lib/Parse/ParsePragma.cpp, StmtResult Parser::HandlePragmaCaptured() 

Best regards,
Alexey Bataev
=============
Software Engineer
Intel Compiler Team
Intel Corp. 

31.12.2014 23:49, Tehila Mayzels пишет:

Hi,

 

I have some questions regarding outlining (extracting piece of code into a function):

1.       Is there an outlining pass in llvm (IR)? I've found out CodeExtractor pass, but I'm not sure it’s exactly the same idea.

2.       How do I set the function name?

 

 

And another question:

Where do I control the execution of my pass? I'm writing a pass that first works on loops, than on a function (outlined from the loop) and then again on loops.

How can I do that?

 

Thanks and happy new year,

Tehila.

 

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