[PATCH] D78272: [PowerPC] DAG Combine to transform shifts into multiply-high

[Nemanja Ivanovic via Phabricator via llvm-commits]

nemanjai added a comment.

In D78272#2033514 <https://reviews.llvm.org/D78272#2033514>, @lenary wrote:

> I can see this combine being useful on RISC-V (where we have a `mulh[[s]u]` instruction) - would it be useful for me to work on some testcases for it?


Absolutely. If we have a test case (along with invocation and desired codegen) it would make it much easier to move this out to the target independent code and ensure it is doing what it is supposed to. Thank you.


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https://reviews.llvm.org/D78272