[llvm-dev] Condition code in DAGCombiner::visitFADDForFMACombine?

[Ryan Taylor via llvm-dev]

And why are they treated differently?

On Tue, Aug 21, 2018 at 5:04 PM Ryan Taylor <ryta1203 at gmail.com> wrote:

> So why is there 'isContractable' too?
>
> On Tue, Aug 21, 2018 at 4:37 PM Matt Arsenault <arsenm2 at gmail.com> wrote:
>
>>
>>
>> > On Aug 21, 2018, at 23:06, Ryan Taylor <ryta1203 at gmail.com> wrote:
>> >
>> > Why is isContractableFMUL different from isContractable?
>>
>> If contractable is only expected on the fmul, then what does it even mean
>> to have it set on any other kind of instruction?
>
>
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