[all-commits] [llvm/llvm-project] 1a08aa: [AArch64] Split AArch64ISD::COND_SMSTART/STOP off ...

[Benjamin Maxwell via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1a08aa2680da76258a2f8252ab63d05e5638b9da
      https://github.com/llvm/llvm-project/commit/1a08aa2680da76258a2f8252ab63d05e5638b9da
  Author: Benjamin Maxwell <benjamin.maxwell at arm.com>
  Date:   2025-05-21 (Wed, 21 May 2025)

  Changed paths:
    M llvm/docs/AArch64SME.rst
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.h
    M llvm/lib/Target/AArch64/AArch64SMEInstrInfo.td

  Log Message:
  -----------
  [AArch64] Split AArch64ISD::COND_SMSTART/STOP off AArch64::SMSTART/STOP (NFC) (#140711)

The conditional variants of SMSTART/STOP currently take the current
PStateSM as a variadic value. This is not supported by the verification
added in #140472 (which requires variadic values to be of type Register
or RegisterMask), so this patch splits the the conditional variants into
new `COND_` nodes, where these extra parameters are fixed arguments.

Suggested in
https://github.com/llvm/llvm-project/pull/140472#discussion_r2094635066

Part of #140472.



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