llvm-project

5805e887 - [Headers][X86] Allow AVX512 reduction intrinsics to be used in constexpr (#152363)

[Headers][X86] Allow AVX512 reduction intrinsics to be used in constexpr (#152363) Closes #152324. Part of #30794. This PR adds `constexpr` support for the following AVX512 integer reduction intrinsics: - `_mm512_reduce_add_epi32` - `_mm512_reduce_add_epi64` - `_mm512_reduce_mul_epi32` - `_mm512_reduce_mul_epi64` - `_mm512_reduce_and_epi32` - `_mm512_reduce_and_epi64` - `_mm512_reduce_or_epi32` - `_mm512_reduce_or_epi64` - `_mm512_reduce_max_epi32` - `_mm512_reduce_max_epi64` - `_mm512_reduce_min_epi32` - `_mm512_reduce_min_epi64` - `_mm512_reduce_max_epu32` - `_mm512_reduce_max_epu64` - `_mm512_reduce_min_epu32` - `_mm512_reduce_min_epu64` --------- Co-authored-by: Simon Pilgrim <llvm-dev@redking.me.uk>