llvm

e35e1993 - Do not vectorize NoInline kernels.

Do not vectorize NoInline kernels. A recent LLVM 21 change prevents us from being able to vectorize NoInline kernels, but it was probably never a good idea to vectorize them anyway: it is not clear whether the vectorization we perform is something that a user who writes `__attribute__((noinline))` would want. Therefore, explicitly reject vectorization of NoInline functions and restore affected tests to their original version that permitted them to not be vectorized.