[PATCH] D135451: [TTI] New PPC target hook enableUncondDivisionSpeculation

Florian Hahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Oct 7 08:51:19 PDT 2022


fhahn added reviewers: nlopes, nikic, spatel, RKSimon.
fhahn added a comment.

IIUC this proposal would effectively re-define `udiv` and `urem`'s semantics on the IR level to not have undefined behavior for PPC?

If that's the case, this sounds problematic, as the semantics of LLVM IR instructions are target-independent. Adding some other reviewers for additional who might have additional thoughts.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135451/new/

https://reviews.llvm.org/D135451



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