[all-commits] [llvm/llvm-project] 2ce168: [AArch64] SME implementation for agnostic-ZA funct...

[Sander de Smalen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2ce168baed02c7a6fdb039f4a2d9e48dee31e5c9
      https://github.com/llvm/llvm-project/commit/2ce168baed02c7a6fdb039f4a2d9e48dee31e5c9
  Author: Sander de Smalen <sander.desmalen at arm.com>
  Date:   2024-12-23 (Mon, 23 Dec 2024)

  Changed paths:
    M llvm/lib/IR/Verifier.cpp
    M llvm/lib/Target/AArch64/AArch64FastISel.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64ISelLowering.h
    M llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.h
    M llvm/lib/Target/AArch64/AArch64SMEInstrInfo.td
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/lib/Target/AArch64/Utils/AArch64SMEAttributes.cpp
    M llvm/lib/Target/AArch64/Utils/AArch64SMEAttributes.h
    A llvm/test/CodeGen/AArch64/sme-agnostic-za.ll
    M llvm/test/CodeGen/AArch64/sme-disable-gisel-fisel.ll
    M llvm/test/Transforms/Inline/AArch64/sme-pstateza-attrs.ll
    M llvm/test/Verifier/sme-attributes.ll

  Log Message:
  -----------
  [AArch64] SME implementation for agnostic-ZA functions (#120150)

This implements the lowering of calls from agnostic-ZA functions to
non-agnostic-ZA functions, using the ABI routines
`__arm_sme_state_size`, `__arm_sme_save` and `__arm_sme_restore`.

This implements the proposal described in the following PRs:
* https://github.com/ARM-software/acle/pull/336
* https://github.com/ARM-software/abi-aa/pull/264



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