[LLVMdev] rotate

[Cameron McInally]

Hey Andy,

I proposed a similar patch to LLVM (left circular shift) around 10/2011.
Parts of my patch did make it into trunk about a year after, but others did
not.

At that time, my solution was to add a binary operator to the IRBuilder,
since LCS fits in nicely with the other shift operators. But, it is quite
cumbersome to merge :*(. I would be happy to resend the original patch if
you'd like.

-Cameron

On Sun, Jul 29, 2012 at 4:02 PM, Andy Gibbs <andyg1001 at hotmail.co.uk> wrote:
...

>  It would be nice to have a __builtin_rotl family in clang, in
> my opinion, but it would need back-end support from llvm.
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