[llvm] [LowerMatrixIntrinsics] Fix type suffix for matrix.multiply.* (PR #100940)

[Florian Hahn via llvm-commits]

https://github.com/fhahn approved this pull request.

LGTM, thanks!

Very interesting to see that this isn't caught by the IR verifier. Would be interesting to follow up to see if the verifier could be extended to catch those violations.

https://github.com/llvm/llvm-project/pull/100940