[PATCH] D151050: [X86] Don't crash on instruction prefetch intrinsics without PREFETCHI support.

[Phoebe Wang via Phabricator via llvm-commits]

pengfei accepted this revision.
pengfei added a comment.
This revision is now accepted and ready to land.

We have limited it in the FE. I was considering if we should lower it to other prefetch instructions if prefetchi is not supported. Some people have concern prefetching to data cache may not help with execution. Not emitting instruction seems good, thanks!


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D151050/new/

https://reviews.llvm.org/D151050