[PATCH] D135514: [RISCV] Add isel pattern for (setne/eq (sext_inreg GPR), 0) to remove sext_inreg

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Oct 8 10:08:03 PDT 2022


craig.topper added a comment.

This isn’t correct. For example if rs is 0x8000000000000000, it’s not 0. But sext_inreg of 0x8000000000000000 is 0.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135514/new/

https://reviews.llvm.org/D135514



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