[PATCH] D68408: [InstCombine] Negator - sink sinkable negations

[Nikita Popov via Phabricator via llvm-commits]

nikic added inline comments.


================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineNegator.cpp:180
+  }
+  case Instruction::SDiv:
+    // `sdiv` is negatible if divisor is not undef/INT_MIN/1.
----------------
Noticed while looking through the tramp3d-v4 diff: This should be behind a one-use check, to avoid duplicating expensive division instructions.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68408/new/

https://reviews.llvm.org/D68408