[all-commits] [llvm/llvm-project] 2ec3ca: [ARM] Extend IsCMPZCSINC to handle CMOV

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2ec3ca747732e9cb9b051c1f979902c0291091c4
      https://github.com/llvm/llvm-project/commit/2ec3ca747732e9cb9b051c1f979902c0291091c4
  Author: David Green <david.green at arm.com>
  Date:   2021-12-27 (Mon, 27 Dec 2021)

  Changed paths:
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    M llvm/test/CodeGen/ARM/fp16-fullfp16.ll
    M llvm/test/CodeGen/ARM/fpclamptosat_vec.ll
    M llvm/test/CodeGen/Thumb2/active_lane_mask.ll
    M llvm/test/CodeGen/Thumb2/mve-fpclamptosat_vec.ll
    M llvm/test/CodeGen/Thumb2/mve-masked-ldst.ll
    M llvm/test/CodeGen/Thumb2/mve-masked-load.ll
    M llvm/test/CodeGen/Thumb2/mve-masked-store.ll
    M llvm/test/CodeGen/Thumb2/mve-minmax.ll
    M llvm/test/CodeGen/Thumb2/mve-minmaxi.ll
    M llvm/test/CodeGen/Thumb2/mve-pred-ext.ll
    M llvm/test/CodeGen/Thumb2/mve-satmul-loops.ll
    M llvm/test/CodeGen/Thumb2/mve-saturating-arith.ll
    M llvm/test/CodeGen/Thumb2/mve-vcmp.ll
    M llvm/test/CodeGen/Thumb2/mve-vcmpf.ll
    M llvm/test/CodeGen/Thumb2/mve-vcmpfr.ll
    M llvm/test/CodeGen/Thumb2/mve-vcmpfz.ll
    M llvm/test/CodeGen/Thumb2/mve-vcmpr.ll
    M llvm/test/CodeGen/Thumb2/mve-vqmovn.ll
    M llvm/test/CodeGen/Thumb2/mve-vqshrn.ll

  Log Message:
  -----------
  [ARM] Extend IsCMPZCSINC to handle CMOV

A 'CMOV 1, 0, CC, %cpsr, Cmp' is the same as a 'CSINC 0, 0, CC, Cmp',
and can be treated the same in IsCMPZCSINC added in D114013. This allows
us to remove the unnecessary CMOV in the same way that we could remove a
CSINC.

Differential Revision: https://reviews.llvm.org/D115188