[all-commits] [llvm/llvm-project] dce55a: [InstCombine] Remove knowledge retention folding (...

[Nikolas Klauser via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dce55a9f6cfce57e922e0e8f4583da781628e234
      https://github.com/llvm/llvm-project/commit/dce55a9f6cfce57e922e0e8f4583da781628e234
  Author: Nikolas Klauser <nikolasklauser at berlin.de>
  Date:   2026-06-10 (Wed, 10 Jun 2026)

  Changed paths:
    M llvm/include/llvm/Transforms/Utils/AssumeBundleBuilder.h
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/lib/Transforms/Utils/AssumeBundleBuilder.cpp
    M llvm/test/Transforms/InstCombine/assume.ll

  Log Message:
  -----------
  [InstCombine] Remove knowledge retention folding (#202890)

The knowledge retention API for simplifying assumes isn't that useful
anymore, since most simplifications done by it are now done
unconditionally directly in InstCombine. It's also known to miscompoile
multiple patterns.



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