# RUN: llc -o - %s -mtriple=s390x-linux-gnu -mcpu=z16 -verify-machineinstrs \
# RUN:   -run-pass=machine-scheduler -debug-only=machine-scheduler 2>&1\
# RUN:   | FileCheck %s
# REQUIRES: asserts

# Schedule the AGHIK that defines the compare source low to help comparison
# elimination.
# CHECK:      ********** MI Scheduling **********
# CHECK-NEXT: fun0:%bb.0
# CHECK:      ********** MI Scheduling **********
# CHECK-NEXT: fun0:%bb.1
# CHECK:      Queue BotQ.A: 1 0
# CHECK-NEXT:   Cand SU(1) FIRST
# CHECK-NEXT:   Cand SU(0) WEAK
# CHECK-NEXT: Pick Bot WEAK       [pre-RA]
# CHECK-NEXT: Scheduling SU(0) %2:gr64bit = AGHIK %0:gr64bit, -1, impl
# CHECK:      *** Final schedule for %bb.1 ***
# CHECK-NEXT: SU(1):   dead %3:gr64bit = AGHIK %1:gr64bit, 1, implicit-def dead $cc
# CHECK-NEXT: SU(0):   %2:gr64bit = AGHIK %0:gr64bit, -1, implicit-def dead $cc
# CHECK-NEXT: SU(2):   CGHI %2:gr64bit, 0, implicit-def $cc
---
name:            fun0
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $r2d, $r3d

    %0:gr64bit = COPY $r2d
    %1:gr64bit = COPY $r3d

  bb.1:
    %2:gr64bit = AGHIK %0, -1, implicit-def dead $cc
    %3:gr64bit = AGHIK %1, 1, implicit-def dead $cc
    CGHI %2:gr64bit, 0, implicit-def $cc
    BRC 14, 8, %bb.1, implicit killed $cc

  bb.2:
    Return
...