[all-commits] [llvm/llvm-project] f70ab7: [AArch64] Fix argument passing for SVE tuples (#11...

[Momchil Velikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f70ab7d909d6861c7eec5ab40679bde16ab826c6
      https://github.com/llvm/llvm-project/commit/f70ab7d909d6861c7eec5ab40679bde16ab826c6
  Author: Momchil Velikov <momchil.velikov at arm.com>
  Date:   2024-12-23 (Mon, 23 Dec 2024)

  Changed paths:
    M clang/lib/CodeGen/Targets/AArch64.cpp
    M clang/test/CodeGen/AArch64/pure-scalable-args.c
    M clang/test/CodeGenCXX/aarch64-mangle-sve-vectors.cpp

  Log Message:
  -----------
  [AArch64] Fix argument passing for SVE tuples (#118961)

The fix for passing Pure Scalable Types
(https://github.com/llvm/llvm-project/pull/112747) was incomplete,
it didn't handle correctly tuples of SVE vectors (e.g. `sveboolx2_t`,
`svfloat32x4_t`, etc).

These types are Pure Scalable Types and should be passed either entirely
in vector registers
or indirectly in memory, not split.



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