[PATCH] D153620: [X86] Combine MUL+SRL+TRUNC to MULX for i32 on 64-bit

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

If not updating arithmetic flags is a requirement, the we should have an IR intrinsic. Relying on pattern matching that can be easily broken is not a good solution.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D153620/new/

https://reviews.llvm.org/D153620