[all-commits] [llvm/llvm-project] cecd28: [RISCV] Select the capability ABI by default when ...

[Alexander Richardson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cecd28d75cf5407287085e4042ef4fc7ed7feadd
      https://github.com/llvm/llvm-project/commit/cecd28d75cf5407287085e4042ef4fc7ed7feadd
  Author: Alexander Richardson <alexrichardson at google.com>
  Date:   2026-09-14 (Mon, 14 Sep 2026)

  Changed paths:
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.cpp
    M llvm/lib/TargetParser/RISCVISAInfo.cpp
    M llvm/test/CodeGen/RISCV/attributes.ll
    M llvm/test/CodeGen/RISCV/rvy/rvy-invalid-operands.mir
    M llvm/unittests/Target/RISCV/RISCVBaseInfoTest.cpp
    M llvm/unittests/TargetParser/RISCVISAInfoTest.cpp

  Log Message:
  -----------
  [RISCV] Select the capability ABI by default when the Y extension is enabled

computeDefaultABI() previously had no knowledge of the RVY (CHERI) base,
so a target with Y enabled and no explicit -target-abi
would fall back to the plain integer ABI instead of il32pc64(d)/
l64pc128(d).

This adds explicit non-RVY ABIs to two tests since otherwise those would
hit the assertion that the ABI is not supported yet. As the ABI does not
matter for these tests, we can safely use the non-RVY ones.

This change was created with the help of AI tools

Reviewed By: lenary

Pull Request: https://github.com/llvm/llvm-project/pull/213411



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