| # RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-shrink-instructions -o - %s | FileCheck -check-prefix=GCN %s |
| ... |
| # GCN-LABEL: name: fold_imm_non_ssa{{$}} |
| # GCN: %0:vgpr_32 = V_MOV_B32_e32 123, implicit $exec |
| # GCN: %2:vgpr_32 = V_ADD_I32_e32 456, %0, implicit-def $vcc, implicit $exec |
| |
| name: fold_imm_non_ssa |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: vgpr_32 } |
| - { id: 1, class: vgpr_32 } |
| - { id: 2, class: vgpr_32 } |
| - { id: 3, class: sreg_64 } |
| body: | |
| bb.0: |
| %0 = COPY undef %0 |
| %0 = V_MOV_B32_e32 123, implicit $exec |
| %1 = V_MOV_B32_e32 456, implicit $exec |
| %2, $vcc = V_ADD_I32_e64 %0, %1, 0, implicit $exec |
| S_ENDPGM 0 |
| |
| ... |
| # GCN-LABEL: name: fold_partially_defined_superreg{{$}} |
| # GCN: %1:vgpr_32 = V_MOV_B32_e32 456, implicit $exec |
| # GCN: %2:vgpr_32 = V_ADD_I32_e32 123, %1, implicit-def $vcc, implicit $exec |
| name: fold_partially_defined_superreg |
| tracksRegLiveness: true |
| registers: |
| - { id: 0, class: vgpr_32 } |
| - { id: 1, class: vgpr_32 } |
| - { id: 2, class: vgpr_32 } |
| - { id: 3, class: vreg_64 } |
| body: | |
| bb.0: |
| undef %3.sub0 = V_MOV_B32_e32 123, implicit $exec, implicit-def %3 |
| %1 = V_MOV_B32_e32 456, implicit $exec |
| %2, $vcc = V_ADD_I32_e64 %3.sub0, %1, 0, implicit $exec |
| S_ENDPGM 0 |
| |
| ... |