llvm/llvm-project

[Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow SSE/AVX/AVX512 square root intrinsics to be used in constexpr

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#160.516 aberto em 24 de set. de 2025

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backend:X86clang:bytecodeclang:headersconstexprgood first issue

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Description

_mm_sqrt_pd / _mm_mask_sqrt_pd / _mm_maskz_sqrt_pd
_mm_sqrt_ps / _mm_mask_sqrt_ps / _mm_maskz_sqrt_ps
_mm256_sqrt_pd /_mm256_mask_sqrt_pd / _mm256_maskz_sqrt_pd
_mm256_sqrt_ps /_mm256_mask_sqrt_ps / _mm256_maskz_sqrt_ps
_mm512_sqrt_pd / _mm512_mask_sqrt_pd / _mm512_maskz_sqrt_pd
_mm512_sqrt_ps / _mm512_mask_sqrt_ps / _mm512_maskz_sqrt_ps

These should probably be limited to non-constrained fp cases

NOTE: We are NOT intending to handle the related rcp and rsqrt estimate intrinsics

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