[PATCH] D133116: [AArch64][SVE] Optimise repeated floating-point complex patterns to splat

[Matt Devereau via Phabricator via llvm-commits]

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Repeated floating-point complex patterns in BUILD_VECTOR such as (f32 a, f32 b,
f32 a, f32 b) can be simplified to SPLAT_VECTOR(f64(a, b))


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D133116

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/sve-intrinsics-perm-select.ll

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