[PATCH] D101219: [ARM] Memory operands for MVE gathers/scatters

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: simon_tatham, SjoerdMeijer, malharJ, efriedma, ostannard, samtebbs.
Herald added subscribers: danielkiss, pengfei, hiraditya, kristof.beyls.
dmgreen requested review of this revision.
Herald added a project: LLVM.

Similarly to D101096 <https://reviews.llvm.org/D101096>, this makes sure that MMO operands get propagated through from MVE gathers/scatters to the Machine Instructions. This allows extra scheduling freedom, not forcing the instructions to act as scheduling barriers. We create MMO's with an unknown size, specifying that they can load from anywhere in memory, similar to the masked_gather or X86 intrinsics.


https://reviews.llvm.org/D101219

Files:
  llvm/include/llvm/IR/IntrinsicsARM.td
  llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/Thumb2/mve-gatherscatter-mmo.ll
  llvm/test/CodeGen/Thumb2/mve-postinc-lsr.ll

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