[llvm-dev] Replace "while" "for" loops with "If-Else"

[陳韋任 via llvm-dev]

If the inner loop can be flatten [1] (not sure if I use the right word),
which means transforming the nested loop into 1-level loop, I think you can
continue using your pass on it.

[1]
https://stackoverflow.com/questions/18369260/flattening-a-very-nested-loop

HTH,
chenwj


2017-10-22 13:51 GMT+08:00 Shen Liu via llvm-dev <llvm-dev at lists.llvm.org>:

> Hi everyone,
>
> I hope to implement a feature to transform an IR with "while" or "for"
> loops to a new IR with no loop. Instead, I just want to use if-else
> statements in the new IR to implement the original semantics.
>
> I can easily write a transform pass to handle the 1-level loop case, but
> for nested loops it seems a little harder.
>
> Can you show me some hints? Thank you very much!
>
> Best regards,
>
> Shen
>
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>


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