[llvm-commits] [LLVMdev] DominanceFrontier for MachineBB

[Jakob Stoklund Olesen]

On Jul 27, 2010, at 9:42 AM, Tobias Grosser wrote:

> I did not spend a lot of time to optimize this. Do you know of any non
> artificial test case (or even an artificial one), where dominance
> frontier calculation is slowing down compilation? In case there is a
> chance to improve performance of regioninfo or dominance frontier
> calculation I would love to do this.

Usually, re2c is pretty good at producing C source with an insane amount of basic blocks. People use re2c, so it is not an artificial case.

http://sourceforge.net/projects/re2c