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clang-p2996/llvm/test/CodeGen/X86/vector-interleave.ll
Simon Pilgrim c8472db0a8 [X86][AVX] Prefer vinsertf128 to vperm2f128 on AVX1 targets 
Splatting the lower xmm with vinsertf128 is at least as quick as vperm2f128, and a lot faster on some AMD targets.

First step towards PR50053
2021-07-26 11:11:56 +01:00

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