Displaying 3 results from an estimated 3 matches for "d38566".
Did you mean:
138566
2018 Aug 15
2
[RFC] Delaying phi-to-select transformation until later in the pass pipeline
...ove forward and commit to work through all of the issues
identified I wont actively stand in the way.
Philip
On 08/14/2018 12:39 PM, Sanjay Patel via llvm-dev wrote:
> I didn't look closely at the new patch, but this appears to be a small
> extension to:
> https://reviews.llvm.org/D38566
> ...and the GVN-based reasons for delaying transformation to 'select'
> are discussed in detail in the motivating bug for that patch:
> https://bugs.llvm.org/show_bug.cgi?id=34603
>
> So this sounds like the right direction to me. Note that there was
> objection to the...
2018 Aug 17
2
[RFC] Delaying phi-to-select transformation until later in the pass pipeline
...zing to phis is my preference too.
>
> -Hal
>
>> Philip
>>
>>
>> On 08/14/2018 12:39 PM, Sanjay Patel via llvm-dev wrote:
>>> I didn't look closely at the new patch, but this appears to be a small extension to:
>>> https://reviews.llvm.org/D38566 <https://reviews.llvm.org/D38566>
>>> ...and the GVN-based reasons for delaying transformation to 'select' are discussed in detail in the motivating bug for that patch:
>>> https://bugs.llvm.org/show_bug.cgi?id=34603 <https://bugs.llvm.org/show_bug.cgi?id=34603>...
2018 Aug 14
3
[RFC] Delaying phi-to-select transformation until later in the pass pipeline
Summary
=======
I'm planning on adjusting SimplifyCFG so that it doesn't turn two-entry phi
nodes into selects until later in the pass pipeline, to give passes which can
understand phis but not selects more opportunity to optimize. The thing I'm
trying to do which made me think of doing this is described below, but from the
benchmarking I've done it looks like this is overall a