[all-commits] [llvm/llvm-project] d1c911: [clang][FMV] Do not omit explicit default target_v...

[Alexandros Lamprineas via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d1c911ffe48eef23817d11c900dec30e0e3b5ae4
      https://github.com/llvm/llvm-project/commit/d1c911ffe48eef23817d11c900dec30e0e3b5ae4
  Author: Alexandros Lamprineas <alexandros.lamprineas at arm.com>
  Date:   2024-07-04 (Thu, 04 Jul 2024)

  Changed paths:
    M clang/include/clang/Sema/Sema.h
    M clang/lib/Sema/SemaDecl.cpp
    M clang/lib/Sema/SemaDeclAttr.cpp
    M clang/test/CodeGen/attr-target-version.c
    M clang/test/CodeGenCXX/fmv-namespace.cpp
    M clang/test/Sema/attr-target-version.c

  Log Message:
  -----------
  [clang][FMV] Do not omit explicit default target_version attribute. (#96628)

Fixes a crash and cleans up some dead code.

namespace Foo {
int bar();
__attribute((target_version("default"))) int bar() { return 0; }
__attribute((target_version("mops"))) int bar() { return 1; }
}

$ clang++ --target=aarch64-linux-gnu --rtlib=compiler-rt fmv.cpp

None multiversion type isn't valid here
UNREACHABLE executed at clang/lib/CodeGen/CodeGenModule.cpp:1840! ...
getMangledNameImpl
clang::CodeGen::CodeGenModule::getMangledName
clang::CodeGen::CodeGenModule::EmitGlobal



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