[all-commits] [llvm/llvm-project] 334e07: [RISCV] Disallow target attribute use in multivers...

[Piyou Chen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 334e07f18e6f2fbc84579f7cac3cdd29d0d7cce0
      https://github.com/llvm/llvm-project/commit/334e07f18e6f2fbc84579f7cac3cdd29d0d7cce0
  Author: Piyou Chen <piyou.chen at sifive.com>
  Date:   2024-04-12 (Fri, 12 Apr 2024)

  Changed paths:
    M clang/lib/Sema/SemaDecl.cpp
    A clang/test/Sema/attr-target-riscv.c

  Log Message:
  -----------
  [RISCV] Disallow target attribute use in multiversioning (#85899)

For RISC-V target only `target_clones` and `target_version` can enable
function multiversion(FMV).

This patch make target attribute trigger redefinition instead of emit
FMV.

Here is spec
https://github.com/riscv-non-isa/riscv-c-api-doc/blob/master/riscv-c-api.md#__attribute__targetattr-string



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