[PATCH] D131579: [AArch64][SME] Disable tail-call optimization when streaming mode change may be required.

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen created this revision.
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When a streaming mode change is (or may be) required for a call, it will
need to restore the original mode after the call, which prevents the use of
tail-call optimization.

More details about the SME attributes and design can be found
in D131562 <https://reviews.llvm.org/D131562>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D131579

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sme-shared-za-interface.ll
  llvm/test/CodeGen/AArch64/sme-streaming-compatible-interface.ll
  llvm/test/CodeGen/AArch64/sme-streaming-interface.ll

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