[PATCH] D70997: [ARM] Sink splat to ICmp

[Dave Green via Phabricator via llvm-commits]

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

Nice and simple, this adds ICmp to the list of instructions that we sink a splat to in a loop, allowing the register forms of instructions to be selected more. I have not handled FCmp yet as the results look a little odd, trying to keep the register in an float reg and having to move it to a GPR.


https://reviews.llvm.org/D70997

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

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