RFR: 8309893: Integrate ReplicateB/S/I/L/F/D nodes to Replicate node [v2]

[Eric Liu]

On Thu, 2 Nov 2023 16:48:07 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Replicate can be variant in Vector API. E.g., we can create an IntVector in loop by IntVector.broadcast (https://github.com/openjdk/jdk/blob/master/src/jdk.incubator.vector/share/classes/jdk/incubator/vector/IntVector.java). We also have such matching rules supporting register as Replicate input.
>> 
>> I only find the use point of this method in Superword, I'm not sure if auto-vectorization has any special handle in vectorizing Replicate.
>
> @e1iu what do you think?

Agree! I removed this in the latest commit. I'm running full JTReg for it.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14830#discussion_r1381182535