| Stanislav Mekhanoshin | b080adf | 2018-09-27 18:55:20 +0000 | [diff] [blame] | 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 | --- |
| 10 | name: fold_vgpr_copy |
| 11 | registers: |
| 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 } |
| 17 | body: | |
| 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 | ... |