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clang-p2996/llvm/test/CodeGen/X86/vector-pack-256.ll
Simon Pilgrim 0f59d09957 [X86][AVX] combineVectorSignBitsTruncation - limit AVX512 truncations to 128-bits (PR48727) 
rG73a44f437bf1 result in 256-bit packss/packus ops with additional shuffles that shuffle combining can sometimes try to convert back into a truncation.
2021-01-13 10:38:23 +00:00

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