[PATCH] D57833: [ARM] Add some missing thumb1 opcodes to enable peephole optimisation of CMPs

Wed Feb 6 11:29:55 PST 2019

dmgreen created this revision.
dmgreen added reviewers: efriedma, spatel, SjoerdMeijer.
Herald added subscribers: kristof.beyls, javed.absar.

Noticed when codegen prepare started adding more llvm.uadd.with.overflow's, this follows
the same code path as Thumb2, removing redundant CMP's in the peephole optimiser.

https://reviews.llvm.org/D57833

Files:
  lib/Target/ARM/ARMBaseInstrInfo.cpp
  test/CodeGen/Thumb/peephole-cmp.mir

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