[PATCH] D65583: [ARM] MVE big endian loads/stores

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: t.p.northover, samparker, simon_tatham, SjoerdMeijer, ostannard.
Herald added subscribers: hiraditya, kristof.beyls, javed.absar, qcolombet.
Herald added a project: LLVM.

This adds some missing patterns for big endian loads/stores, allowing unaligned loads/stores to also be selected through with an extra VREV, which produces better code than aligning through a stack. Also moves VLDR_P0 to not be LE only, and adjusts some of the tests to show all that working.


https://reviews.llvm.org/D65583

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/test/CodeGen/Thumb2/mve-be.ll
  llvm/test/CodeGen/Thumb2/mve-loadstore.ll
  llvm/test/CodeGen/Thumb2/mve-pred-spill.ll
  llvm/test/CodeGen/Thumb2/mve-widen-narrow.ll

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