[all-commits] [llvm/llvm-project] f658c1: Recommit "[RISCV][FMV] Support target_version" (#1...

[Piyou Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f658c1bf4a9d74518ff55a37184b76ec5dec9a8b
      https://github.com/llvm/llvm-project/commit/f658c1bf4a9d74518ff55a37184b76ec5dec9a8b
  Author: Piyou Chen <piyou.chen at sifive.com>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M clang/lib/AST/ASTContext.cpp
    M clang/lib/CodeGen/CodeGenModule.cpp
    M clang/lib/Sema/SemaDecl.cpp
    M clang/lib/Sema/SemaDeclAttr.cpp
    A clang/test/CodeGen/attr-target-version-riscv-invalid.c
    A clang/test/CodeGen/attr-target-version-riscv.c
    A clang/test/CodeGenCXX/attr-target-version-riscv.cpp
    A clang/test/SemaCXX/attr-target-version-riscv.cpp

  Log Message:
  -----------
  Recommit "[RISCV][FMV] Support target_version" (#111096)" (#111333)

Fix the buildbot failure caused by heap use-after-free error.

Origin message:

    This patch enable `target_version` attribute for RISC-V target.

    The proposal of `target_version` syntax can be found at the
    https://github.com/riscv-non-isa/riscv-c-api-doc/pull/48 (which has
    landed), as modified by the proposed
https://github.com/riscv-non-isa/riscv-c-api-doc/pull/85 (which adds the
    priority syntax).

`target_version` attribute will trigger the function multi-versioning
    feature and act like `target_clones` attribute. See
https://github.com/llvm/llvm-project/pull/85786 for the implementation
    of `target_clones`.



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