| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs -run-pass=regallocfast -o - %s | FileCheck %s |
| |
| # This would hit "Illegal subregister index for physical register" verifier error since |
| # tied operands would skip dropping the subregister index. |
| |
| --- |
| name: invalid_subreg_index |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| body: | |
| bb.0: |
| liveins: $vgpr0, $sgpr0 |
| |
| ; CHECK-LABEL: name: invalid_subreg_index |
| ; CHECK: liveins: $vgpr0, $sgpr0 |
| ; CHECK: $m0 = COPY renamable $sgpr0 |
| ; CHECK: undef renamable $vgpr1 = V_INTERP_P2_F32 undef $vgpr1, undef $vgpr0, 0, 1, implicit $mode, implicit $m0, implicit $exec, implicit-def dead $vgpr0_vgpr1 |
| ; CHECK: S_ENDPGM 0, implicit killed renamable $sgpr0 |
| %0:vgpr_32 = COPY $vgpr0 |
| %1:sgpr_32 = COPY $sgpr0 |
| $m0 = COPY %1 |
| undef %2.sub1:vreg_64 = V_INTERP_P2_F32 undef %2.sub1, undef %0:vgpr_32, 0, 1, implicit $mode, implicit $m0, implicit $exec |
| S_ENDPGM 0, implicit %1 |
| |
| ... |
