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# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-fold-operands,dead-mi-elimination %s -o - | FileCheck -check-prefix=GCN %s
# GCN-LABEL: name: fold_vgpr_copy
# GCN: %0:vreg_64 = IMPLICIT_DEF
# GCN-NEXT: %4:vgpr_32 = IMPLICIT_DEF
# GCN-NEXT: %3:vgpr_32 = IMPLICIT_DEF
# GCN-NEXT: DS_WRITE2_B32_gfx9 %0.sub0, killed %4, killed %3, 0, 1, 0, implicit $exec
---
name: fold_vgpr_copy
registers:
- { id: 0, class: vreg_64 }
- { id: 1, class: vgpr_32 }
- { id: 2, class: vgpr_32 }
- { id: 3, class: vgpr_32 }
- { id: 4, class: vgpr_32 }
body: |
bb.0:
%0:vreg_64 = IMPLICIT_DEF
%4 = IMPLICIT_DEF
%3 = IMPLICIT_DEF
%1:vgpr_32 = COPY %0.sub0
%2:vgpr_32 = COPY %1
DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec
...
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