llvm-project/llvm/test/CodeGen/AMDGPU/cluster-flat-loads.mir

# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass machine-scheduler %s -o - | FileCheck -check-prefix=GCN %s

# GCN-LABEL: name: cluster_flat_loads
# GCN:      FLAT_LOAD_DWORD %0, 0
# GCN-NEXT: FLAT_LOAD_DWORD %0, 4
# GCN-NEXT: V_ADD_F32_e64
name: cluster_flat_loads
tracksRegLiveness: true
registers:
  - { id: 0, class: vreg_64 }
  - { id: 1, class: vgpr_32 }
  - { id: 2, class: vgpr_32 }
  - { id: 3, class: vgpr_32 }
body:             |
  bb.0:
    %0 = IMPLICIT_DEF
    %1 = FLAT_LOAD_DWORD %0, 0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 4)
    %2 = V_ADD_F32_e64 0, killed %1, 0, 1, 0, 0, implicit $exec
    %3 = FLAT_LOAD_DWORD %0, 4, 0, 0, 0, implicit $exec, implicit $flat_scr :: (load 4)
...