1 # RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-shrink-instructions -o - %s | FileCheck -check-prefix=GCN %s 2 ... 3 # GCN-LABEL: name: fold_imm_non_ssa{{$}} 4 # GCN: %0:vgpr_32 = V_MOV_B32_e32 123, implicit $exec 5 # GCN: %2:vgpr_32 = V_ADD_I32_e32 456, %0, implicit-def $vcc, implicit $exec 6 7 name: fold_imm_non_ssa 8 tracksRegLiveness: true 9 registers: 10 - { id: 0, class: vgpr_32 } 11 - { id: 1, class: vgpr_32 } 12 - { id: 2, class: vgpr_32 } 13 - { id: 3, class: sreg_64 } 14 body: | 15 bb.0: 16 %0 = COPY undef %0 17 %0 = V_MOV_B32_e32 123, implicit $exec 18 %1 = V_MOV_B32_e32 456, implicit $exec 19 %2, $vcc = V_ADD_I32_e64 %0, %1, implicit $exec 20 S_ENDPGM 21 22 ... 23 # GCN-LABEL: name: fold_partially_defined_superreg{{$}} 24 # GCN: %1:vgpr_32 = V_MOV_B32_e32 456, implicit $exec 25 # GCN: %2:vgpr_32 = V_ADD_I32_e32 123, %1, implicit-def $vcc, implicit $exec 26 name: fold_partially_defined_superreg 27 tracksRegLiveness: true 28 registers: 29 - { id: 0, class: vgpr_32 } 30 - { id: 1, class: vgpr_32 } 31 - { id: 2, class: vgpr_32 } 32 - { id: 3, class: vreg_64 } 33 body: | 34 bb.0: 35 undef %3.sub0 = V_MOV_B32_e32 123, implicit $exec, implicit-def %3 36 %1 = V_MOV_B32_e32 456, implicit $exec 37 %2, $vcc = V_ADD_I32_e64 %3.sub0, %1, implicit $exec 38 S_ENDPGM 39 40 ... 41
