[PATCH] D135652: [AArch64] Add preserve_all calling convention.

[Daniel Kiss via Phabricator via llvm-commits]

danielkiss updated this revision to Diff 467443.
danielkiss marked an inline comment as done.
danielkiss added a reviewer: rsandifo-arm.
danielkiss added a comment.

To accommodate better to the vector ABI <https://github.com/ARM-software/abi-aa/blob/main/vfabia64/vfabia64.rst#31vector-procedure-call-standard>, AAPCS <https://github.com/ARM-software/abi-aa/blob/main/aapcs64/aapcs64.rst#simd-and-floating-point-registers> the vector parameter registers are not preserved by the callee but save the whole vector registers.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135652/new/

https://reviews.llvm.org/D135652

Files:
  clang/docs/ReleaseNotes.rst
  clang/include/clang/Basic/AttrDocs.td
  llvm/docs/LangRef.rst
  llvm/docs/ReleaseNotes.rst
  llvm/lib/Target/AArch64/AArch64CallingConvention.td
  llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
  llvm/lib/Target/AArch64/GISel/AArch64CallLowering.cpp
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/AArch64/arm64-preserve-all.ll
  llvm/test/CodeGen/AArch64/preserve.ll
  llvm/test/CodeGen/AArch64/tailcall-ccmismatch2.ll

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