[PATCH] D145299: [InstCombine] Generate better code for std::bit_ceil

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Mar 20 06:28:04 PDT 2023


RKSimon added inline comments.


================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp:3193
+      match(CtlzOp, m_Not(m_Value(X)))) {
+    // We'll stop following the def-use chain when we encounter X.
+  }
----------------
empty clause?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145299/new/

https://reviews.llvm.org/D145299



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