[PATCH] D147201: [ARM] Fold fadd of vcmul into vcmla

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
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This adds an extra tablegen combine for folding `fadd(a, vcmul(b, c))` into `vcmla(a, b, c)`, so long as the fadd is allowed to contract.


https://reviews.llvm.org/D147201

Files:
  llvm/lib/Target/ARM/ARMInstrInfo.td
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/test/CodeGen/Thumb2/mve-complex-deinterleaving-mixed-cases.ll
  llvm/test/CodeGen/Thumb2/mve-vcmla.ll

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