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Mikhail Dvoretckii
8f27e9c26e
[x86] Lower some trunc + shuffle patterns to vpmov[q|d][b|w]
This should help in lowering the following four intrinsics: _mm256_cvtepi32_epi8 _mm256_cvtepi64_epi16 _mm256_cvtepi64_epi8 _mm512_cvtepi64_epi8 Differential Revision: https://reviews.llvm.org/D46957 llvm-svn: 335238
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