Displaying 2 results from an estimated 2 matches for "selectscalarsseload".
2010 Feb 22
0
[LLVMdev] SelectionDAG legality: isel creating cycles
Hello, David
> Ah, isLegalToFold saves us on trunk. But we lose folding due to prefetching,
> which is unfortunate.
>
> I am seeing the error with 2.5 (yes, we are upgrading!).
>
> I guess I'll have to backport some of the isLogalToFold logic.
There was x86-only code at pre-2.6 times which was later moved into
generic hook named "isLegalAndProfitableToFold". You
2010 Feb 22
3
[LLVMdev] SelectionDAG legality: isel creating cycles
On Monday 22 February 2010 13:26:54 David Greene wrote:
> On Monday 22 February 2010 13:06:39 Chris Lattner wrote:
> > > Just wanted to clarify in case someone was wondering about this.
> >
> > I'm currently working in this area. What pattern is causing the cycle?
> > Can I get a testcase?
>
> I'll see if I can generate one and file a PR.
Ah,