[LLVMdev] Choosing Alias Analysis

[David Greene]

On Thursday 09 August 2007 19:21, Chris Lattner wrote:

> As far as the C compiler goes, we want to have just one option that works
> well, we don't want a million knobs people have to tweak.

Agreed.

> Interesting question, I don't have an answer to this.  To make things more
> complicated, you can have multiple instances of an analysis group and may
> want different things at different times:
>
>    -basicaa -licm -something_that_invalidates_aa -andersaa -licm -whatever

Mmm...yeah, that makes life interesting.

> In the short term, adding a cl::opt to llvm-backend.cpp seems the easiest
> way to go, which makes it available through -mllvm.

Ok, I'll look at doing that.  Thanks!

                                              -Dave