[PATCH] D66214: [ARM] Use MQPR not QPR for MVE registers

[Dave Green via Phabricator via llvm-commits]

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

We should be using MQPR, and if we don't we can get COPYs and PHIs created for QPR. These get folded into instructions, failing verification checks.


https://reviews.llvm.org/D66214

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/lib/Target/ARM/ARMInstrMVE.td
  llvm/test/CodeGen/Thumb2/mve-crash-qpr.ll

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