# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -run-pass si-load-store-opt %s -o - | FileCheck -check-prefix=GCN %s

# GCN-LABEL: name: out_of_order_merge
# GCN: DS_READ2_B64_gfx9
# GCN: DS_WRITE_B64_gfx9
# GCN: DS_READ2_B64_gfx9
# GCN: DS_WRITE_B64_gfx9
# GCN: DS_WRITE_B64_gfx9
---
name:            out_of_order_merge
body:             |
  bb.0:
    %4:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
    %5:vreg_64 = DS_READ_B64_gfx9 %4, 776, 0, implicit $exec :: (load 8 from `double addrspace(3)* undef`, addrspace 3)
    %6:vreg_64 = DS_READ_B64_gfx9 %4, 784, 0, implicit $exec :: (load 8 from `double addrspace(3)* undef` + 8, addrspace 3)
    %17:vreg_64 = DS_READ_B64_gfx9 %4, 840, 0, implicit $exec :: (load 8 from `double addrspace(3)* undef`, addrspace 3)
    DS_WRITE_B64_gfx9 %4, %17, 8, 0, implicit $exec :: (store 8 into `double addrspace(3)* undef` + 8, addrspace 3)
    DS_WRITE_B64_gfx9 %4, %6, 0, 0, implicit $exec :: (store 8 into `double addrspace(3)* undef`, align 16, addrspace 3)
    %24:vreg_64 = DS_READ_B64_gfx9 %4, 928, 0, implicit $exec :: (load 8 from `double addrspace(3)* undef` + 8, addrspace 3)
    DS_WRITE_B64_gfx9 undef %29:vgpr_32, %5, 0, 0, implicit $exec :: (store 8 into `double addrspace(3)* undef`, addrspace 3)
    S_ENDPGM 0

...