[llvm] [InstCombine] Fold (X * 0.0) * constant => X * 0.0 #85241 (PR #92512)

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SahilPatidar wrote:

Sorry for the delay. I also apologize because I completely forgot about this PR after working on https://github.com/llvm/llvm-project/pull/94148.

I need some time to catch up on the context since I’ve forgotten the details. I’m also working on a few other things at the moment, so it may take me a little while to get back to this. Thanks for your patience.

https://github.com/llvm/llvm-project/pull/92512