[all-commits] [llvm/llvm-project] 82f4eb: [RISCV][GISel] Fallback in LowerCall for byval arg...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 82f4ebf1ba4c02fdc3bdaa91459c0b807b67f3f0
      https://github.com/llvm/llvm-project/commit/82f4ebf1ba4c02fdc3bdaa91459c0b807b67f3f0
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2024-12-09 (Mon, 09 Dec 2024)

  Changed paths:
    M llvm/lib/Target/RISCV/GISel/RISCVCallLowering.cpp
    M llvm/test/CodeGen/RISCV/GlobalISel/irtranslator/calls.ll
    A llvm/test/CodeGen/RISCV/GlobalISel/riscv-unsupported.ll

  Log Message:
  -----------
  [RISCV][GISel] Fallback in LowerCall for byval arguments. (#119251)

Our byval call lowering isn't copying the argument. Looks like our
SelectionDAG code for byval is different than AArch64 so this may be
non-trivial to fix. Reject for now.



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