[all-commits] [llvm/llvm-project] 46dd9d: [SDAG][abd] Combine abd of small types (#181538)

[natanelh-mobileye via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 46dd9d6f522d3007b0c5fe121805e09fc58fe012
      https://github.com/llvm/llvm-project/commit/46dd9d6f522d3007b0c5fe121805e09fc58fe012
  Author: natanelh-mobileye <natanelh at mobileye.com>
  Date:   2026-03-31 (Tue, 31 Mar 2026)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AArch64/abds-neg.ll
    M llvm/test/CodeGen/AArch64/abdu-neg.ll
    M llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll
    M llvm/test/CodeGen/RISCV/abds-neg.ll
    M llvm/test/CodeGen/RISCV/abdu-neg.ll

  Log Message:
  -----------
  [SDAG][abd] Combine abd of small types (#181538)

It is beneficial to combine abd of illegal, small types (types that get promoted to wider scalar size).



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