[PATCH] D20505: Codegen: Outline for chains of tail-duplicable blocks.

[Kyle Butt via llvm-commits]

On Tue, Jun 28, 2016 at 4:44 PM, David Li <davidxl at google.com> wrote:

> davidxl added a comment.
>
> thanks. I don't seem to find explicit test cases added for this change.
> can you add one ?
>

There is such a test already. test/CodeGen/PowerPC/tail-dup-layout.ll
The reason it wasn't added is that previously that test required the
-outline-optional-branches flag, and now it doesn't. It's the prime example
of what I'm trying to accomplish.
I'll add one to test the loop portion.


>
> Please also update the description with a real motivation example -- the
> original code and the pseudo code after the transformation.
>

Will do. It will likely be the example from the test mentioned above.


>
>
> http://reviews.llvm.org/D20505
>
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