[PATCH] D122563: [RISCV] Add DAGCombine to fold base operation and reduction.

Wed Mar 30 02:38:42 PDT 2022

fakepaper56 added a comment.

In D122563#3415868 <https://reviews.llvm.org/D122563#3415868>, @frasercrmck wrote:

> Taking a step back a bit, this is also a target-independent combine we'd want to perform on `vp.reduce` operations, right? Is it possible that we may want to lower/combine `vector.reduce` to `vp.reduce` and let this sort of combine happen in a target-independent combine?

I think it may be a good idea to transform the combine when before-legalized DAG.

Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D122563/new/

https://reviews.llvm.org/D122563