[PATCH] D114349: [ARM] CSINC/CSINV patterns from CMOV

[Dave Green via Phabricator via llvm-commits]

dmgreen created this revision.
dmgreen added reviewers: SjoerdMeijer, samtebbs, ostannard, simon_tatham.
Herald added subscribers: armkevincheng, jsmolens, eric-k256, hiraditya, kristof.beyls.
Herald added a reviewer: sjarus.
dmgreen requested review of this revision.
Herald added a project: LLVM.

We sometimes end up generating CMOV with constant operands that can be simplified to CSINC or CSINV under Arm-8.1m. This adds some simple patterns for them.


https://reviews.llvm.org/D114349

Files:
  llvm/lib/Target/ARM/ARMInstrThumb2.td
  llvm/test/CodeGen/Thumb2/active_lane_mask.ll
  llvm/test/CodeGen/Thumb2/mve-fmas.ll
  llvm/test/CodeGen/Thumb2/mve-fpclamptosat_vec.ll
  llvm/test/CodeGen/Thumb2/mve-masked-ldst.ll
  llvm/test/CodeGen/Thumb2/mve-masked-load.ll
  llvm/test/CodeGen/Thumb2/mve-masked-store.ll
  llvm/test/CodeGen/Thumb2/mve-minmax.ll
  llvm/test/CodeGen/Thumb2/mve-pred-ext.ll
  llvm/test/CodeGen/Thumb2/mve-satmul-loops.ll
  llvm/test/CodeGen/Thumb2/mve-vcmp.ll
  llvm/test/CodeGen/Thumb2/mve-vcmpf.ll
  llvm/test/CodeGen/Thumb2/mve-vcmpfr.ll
  llvm/test/CodeGen/Thumb2/mve-vcmpfz.ll
  llvm/test/CodeGen/Thumb2/mve-vcmpr.ll
  llvm/test/CodeGen/Thumb2/mve-vmaxv-vminv-scalar.ll
  llvm/test/CodeGen/Thumb2/mve-vqdmulh.ll
  llvm/test/CodeGen/Thumb2/mve-vqmovn.ll
  llvm/test/CodeGen/Thumb2/mve-vqshrn.ll