llvm/test/CodeGen/AArch64/expand-subs-pseudo.mir

# RUN: llc -run-pass=aarch64-expand-pseudo -mtriple=aarch64-unknown-linux-gnu -o - %s | FileCheck %s

---
# CHECK-LABEL:  name: test
# CHECK-LABEL:  bb.0:
# CHECK:          $w5 = SUBSWrs renamable $w3, renamable $w2, 0, implicit-def dead $nzcv, debug-instr-number 1
# CHECK-NEXT:     $w6 = SUBSWrs renamable $w5, renamable $w3, 0, implicit-def $nzcv, debug-instr-number 2
# CHECK-NEXT:     RET undef $lr
#
name:            test
alignment:       4
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $w5, $w6, $x2, $x3

    renamable $w5 = nsw SUBSWrr renamable $w3, renamable $w2, implicit-def dead $nzcv, debug-instr-number 1
    renamable $w6 = nsw SUBSWrr renamable $w5, renamable $w3, implicit-def $nzcv, debug-instr-number 2
    RET_ReallyLR

...