1# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-fold-operands,dead-mi-elimination %s -o - | FileCheck -check-prefix=GCN %s
2
3# GCN-LABEL: name: fold_vgpr_copy
4# GCN:      %0:vreg_64 = IMPLICIT_DEF
5# GCN-NEXT: %4:vgpr_32 = IMPLICIT_DEF
6# GCN-NEXT: %3:vgpr_32 = IMPLICIT_DEF
7# GCN-NEXT: DS_WRITE2_B32_gfx9 %0.sub0, killed %4, killed %3, 0, 1, 0, implicit $exec
8
9---
10name:            fold_vgpr_copy
11registers:
12  - { id: 0, class: vreg_64 }
13  - { id: 1, class: vgpr_32 }
14  - { id: 2, class: vgpr_32 }
15  - { id: 3, class: vgpr_32 }
16  - { id: 4, class: vgpr_32 }
17body:             |
18  bb.0:
19
20    %0:vreg_64 = IMPLICIT_DEF
21    %4 = IMPLICIT_DEF
22    %3 = IMPLICIT_DEF
23    %1:vgpr_32 = COPY %0.sub0
24    %2:vgpr_32 = COPY %1
25    DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec
26
27...
28