[PATCH] D76485: [ARM] Fold VMOVrh VLDR to LDRH

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: efriedma, SjoerdMeijer, samparker, ostannard, t.p.northover.
Herald added subscribers: hiraditya, kristof.beyls.

This adds a simple fold to combine `VMOVrh load` to a integer `load`. This is similar to what is already done for `BITCAST`, but needs to account for the types being of different sizes, creating an extending load.


https://reviews.llvm.org/D76485

Files:
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/test/CodeGen/Thumb2/mve-float16regloops.ll
  llvm/test/CodeGen/Thumb2/mve-vcmpfr.ll

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