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[Headers][X86] Allow AVX512VLBW integer reduction intrinsics to be used in constexpr #154284

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[Headers][X86] Allow AVX512VLBW integer reduction intrinsics to be used in constexpr#154284
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#155199
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ckoparkar
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backend:X86clang:headersHeaders provided by Clang, e.g. for intrinsicsconstexprAnything related to constant evaluationgood first issuehttps://github.com/llvm/llvm-project/contribute
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@RKSimon
RKSimon
opened on Aug 19, 2025

Followup to #152324

_mm_reduce_add_epi8 _mm_reduce_add_epi16 _mm256_reduce_add_epi8 _mm256_reduce_add_epi16
_mm_reduce_mul_epi8 _mm_reduce_mul_epi16 _mm256_reduce_mul_epi8 _mm256_reduce_mul_epi16
_mm_reduce_and_epi8 _mm_reduce_and_epi16 _mm256_reduce_and_epi8 _mm256_reduce_and_epi16
_mm_reduce_or_epi8  _mm_reduce_or_epi16  _mm256_reduce_or_epi8  _mm256_reduce_or_epi16

_mm_mask_reduce_add_epi8 _mm_mask_reduce_add_epi16 _mm256_mask_reduce_add_epi8 _mm256_mask_reduce_add_epi16
_mm_mask_reduce_mul_epi8 _mm_mask_reduce_mul_epi16 _mm256_mask_reduce_mul_epi8 _mm256_mask_reduce_mul_epi16
_mm_mask_reduce_and_epi8 _mm_mask_reduce_and_epi16 _mm256_mask_reduce_and_epi8 _mm256_mask_reduce_and_epi16
_mm_mask_reduce_or_epi8  _mm_mask_reduce_or_epi16  _mm256_mask_reduce_or_epi8  _mm256_mask_reduce_or_epi16

_mm_reduce_max_epi8 _mm_reduce_max_epi16 _mm256_reduce_max_epi8 _mm256_reduce_max_epi16
_mm_reduce_min_epi8 _mm_reduce_min_epi16 _mm256_reduce_min_epi8 _mm256_reduce_min_epi16
_mm_reduce_max_epu8 _mm_reduce_max_epu16 _mm256_reduce_max_epu8 _mm256_reduce_max_epu16
_mm_reduce_min_epu8 _mm_reduce_min_epu16 _mm256_reduce_min_epu8 _mm256_reduce_min_epu16

_mm_mask_reduce_max_epi8 _mm_mask_reduce_max_epi16 _mm256_mask_reduce_max_epi8 _mm256_mask_reduce_max_epi16
_mm_mask_reduce_min_epi8 _mm_mask_reduce_min_epi16 _mm256_mask_reduce_min_epi8 _mm256_mask_reduce_min_epi16
_mm_mask_reduce_max_epu8 _mm_mask_reduce_max_epu16 _mm256_mask_reduce_max_epu8 _mm256_mask_reduce_max_epu16
_mm_mask_reduce_min_epu8 _mm_mask_reduce_min_epu16 _mm256_mask_reduce_min_epu8 _mm256_mask_reduce_min_epu16

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backend:X86clang:headersHeaders provided by Clang, e.g. for intrinsicsconstexprAnything related to constant evaluationgood first issuehttps://github.com/llvm/llvm-project/contribute

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