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authorSimon Pilgrim <llvm-dev@redking.me.uk>2021-11-17 19:29:06 +0000
committerSimon Pilgrim <llvm-dev@redking.me.uk>2021-11-17 19:38:43 +0000
commit5f99f771ec7134898d67ed0d2234562df756e332 (patch)
tree9e292cca25409c66ce981559b3b0fa1ebc8ad2fb /libcxx/src/algorithm.cpp
parenta11d27f4ff3bd4e3d2d987cd2bb0dcd7d7c230e3 (diff)
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[X86] splitVector - only extract lower half subvector from splats
If we're splitting a source vector that is a splat (with no undefs), just extract (for free) the lower half subvector and use it for both halfs.
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