# RUN: llc -march=amdgcn -mcpu=gfx908 -run-pass machine-scheduler --misched-prera-direction=topdown -verify-machineinstrs %s -o - -debug-only=machine-scheduler 2>&1 | FileCheck %s
# REQUIRES: asserts

# Check that cycle counts are consistent with hazards.

# CHECK: Cycle: 3 TopQ.A
# CHECK: hazard:  SU(6) HWXDL[0]=9c, is later than CurrCycle = 3c
# CHECK-NOT: Cycle: 9 TopQ.A
# CHECK: Cycle: 83 TopQ.A
# CHECK: Checking pending node SU(6)
# CHECK: Move SU(6) into Available Q

---
name:            pending_queue_ready_cycle
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $sgpr4_sgpr5

    %2:sgpr_128 = IMPLICIT_DEF
    %14:vgpr_32 = IMPLICIT_DEF
    %15:vgpr_32 = IMPLICIT_DEF
    %18:areg_512 = IMPLICIT_DEF
    %18:areg_512 = V_MFMA_F32_16X16X1F32_mac_e64 %15, %14, %18, 0, 0, 0, implicit $mode, implicit $exec
    %5:vreg_128 = BUFFER_LOAD_DWORDX4_OFFSET %2, 0, 0, 0, 0, implicit $exec
    %18:areg_512 = V_MFMA_F32_16X16X1F32_mac_e64 %15, %14, %18, 0, 0, 0, implicit $mode, implicit $exec
    undef %84.sub0:vreg_128_align2 = V_ADD_U32_e32 %5.sub0, %14, implicit $exec
    %7:vreg_512 = COPY %18
    SCHED_BARRIER 0
    S_NOP 0, implicit %18, implicit %7, implicit %84
    S_ENDPGM 0
...