[all-commits] [llvm/llvm-project] 5a2014: [LSR] Provide TTI hook to enable dropping solution...

[Alex Bradbury via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5a201415392bcd0e0b22d13e9aaae03ccf3043e6
      https://github.com/llvm/llvm-project/commit/5a201415392bcd0e0b22d13e9aaae03ccf3043e6
  Author: Alex Bradbury <asb at igalia.com>
  Date:   2024-06-05 (Wed, 05 Jun 2024)

  Changed paths:
    M llvm/include/llvm/Analysis/TargetTransformInfo.h
    M llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
    M llvm/include/llvm/CodeGen/BasicTTIImpl.h
    M llvm/lib/Analysis/TargetTransformInfo.cpp
    M llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp

  Log Message:
  -----------
  [LSR] Provide TTI hook to enable dropping solutions deemed to be unprofitable (#89924)

<https://reviews.llvm.org/D126043> introduced a flag to drop solutions
if deemed unprofitable. As noted there, introducing a TTI hook enables
backends to individually opt into this behaviour.

This will be used by #89927.



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