[PATCH] D142482: [CodeGen][ARM][AArch64] Support complex additions with no rotation

[Nicholas Guy via Phabricator via llvm-commits]

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This provides support for complex additions with no rotation, allowing for such patterns as `o[i] = (x[i] * y[i]) + z[i];` and `z[i] += x[i] * y[i]` (where the expression isn't rearranged beyond the recognised patterns)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142482

Files:
  llvm/lib/CodeGen/ComplexDeinterleavingPass.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/AArch64/complex-deinterleaving-mixed-cases.ll
  llvm/test/CodeGen/Thumb2/mve-complex-deinterleaving-mixed-cases.ll

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