[all-commits] [llvm/llvm-project] e26ef0: [mlir][arith] Canonicalize cmpi select to min/max ...

[Ming Yan via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e26ef0c943415ec3c3bd88c9c3e9bdca3791d4fd
      https://github.com/llvm/llvm-project/commit/e26ef0c943415ec3c3bd88c9c3e9bdca3791d4fd
  Author: Ming Yan <ming.yan at terapines.com>
  Date:   2026-06-05 (Fri, 05 Jun 2026)

  Changed paths:
    M flang/test/Fir/boxproc.fir
    M flang/test/Lower/HLFIR/elemental-result-length.f90
    M flang/test/Lower/Intrinsics/show_descriptor.f90
    M flang/test/Lower/volatile1.f90
    M mlir/lib/Dialect/Arith/IR/ArithCanonicalization.td
    M mlir/lib/Dialect/Arith/IR/ArithOps.cpp
    M mlir/test/Dialect/Arith/canonicalize.mlir
    M mlir/test/Dialect/SparseTensor/sparse_fill_zero.mlir
    M mlir/test/Dialect/SparseTensor/sparse_kernels_to_iterator.mlir

  Log Message:
  -----------
  [mlir][arith] Canonicalize cmpi select to min/max (#201737)

This PR adds canonicalization patterns that fold `arith.select` +
`arith.cmpi` into
`arith.minsi`/`arith.maxsi`/`arith.minui`/`arith.maxui` operations.

---------

Co-authored-by: Claude Opus 4.8 <noreply at anthropic.com>



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