[PATCH] D147200: [ARM] Combine fadd into fcmla

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
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This is the MVE equivalent of https://reviews.llvm.org/D146407. It adds a target combine for `fadd(a, vcmla(b, c, d)) -> vcmla(fadd(a, b), c, d)`, pushing the fadd into the operands of the fcmla, which can help simplify away some additions.


https://reviews.llvm.org/D147200

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

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