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94e71f929a
Previously, we limited this transform to cases where the extraction into the build vector happens from vectors of the same type as the build vector, but that's not required. There's a slight potential regression seen in the AVX512 result for phadd -- we're using the 256-bit flavor of the instruction now even though the 128-bit subset is sufficient. The same problem could already be seen in the AVX2 result. Follow-up patches will attempt to narrow that back down. llvm-svn: 350928 |
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