[llvm-dev] Source level code transformation V.S. IR-level code transformation

[陳韋任 via llvm-dev]

2018-01-16 7:11 GMT+08:00 Linchuan Chen <chenlinc at cse.ohio-state.edu>:

> Thanks Weiren!
>
>     My goal is to transform the code automatically by doing some code
> analysis, instead of rewriting it manually.
>
>     To do this source level auto transformation, do you have any
> suggestions on what tool to use? Thanks again!!
>

What I mean is, I would modify the code manually and see if SLP works on
it. If so, we know what code
​ we have to output in the end, and

​this is​
the first step. Then
​to
 know if the transformation can be done in source or IR level.
​You can compare the IR ​
before and after the
​ modification
​ to know if IR transformation can be done easily or not. If it's easy,
then write a IR transformation; otherwise, you can do source transformation
by using LibTooling [1]. Asking question about
LibTooling
​ on cfe-dev  [2] would be appropriate.
​

[1]
https://clang.llvm.org/docs/LibTooling.html​
​[2] https://lists.llvm.org/mailman/listinfo/cfe-dev​

-- 
Wei-Ren Chen (陳韋任)
Homepage: https://people.cs.nctu.edu.tw/~chenwj
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