| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs -run-pass=si-lower-sgpr-spills -o - %s | FileCheck %s |
| # |
| # Check for liveness errors when spilling partially defined super registers. |
| |
| --- |
| name: sgpr_spill_s64_undef_high32 |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| hasSpilledSGPRs: true |
| scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99' |
| stackPtrOffsetReg: '$sgpr32' |
| |
| stack: |
| - { id: 0, type: spill-slot, size: 8, alignment: 4, stack-id: sgpr-spill } |
| |
| body: | |
| bb.0: |
| liveins: $sgpr4 |
| |
| ; CHECK-LABEL: name: sgpr_spill_s64_undef_high32 |
| ; CHECK: liveins: $sgpr4, $vgpr0 |
| ; CHECK: $vgpr0 = V_WRITELANE_B32 $sgpr4, 0, $vgpr0, implicit-def $sgpr4_sgpr5, implicit $sgpr4_sgpr5 |
| ; CHECK: $vgpr0 = V_WRITELANE_B32 $sgpr5, 1, $vgpr0, implicit $sgpr4_sgpr5 |
| SI_SPILL_S64_SAVE renamable $sgpr4_sgpr5, %stack.0, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr32 :: (store (s64) into %stack.0, align 4, addrspace 5) |
| |
| ... |
| |
| --- |
| name: sgpr_spill_s64_undef_low32 |
| tracksRegLiveness: true |
| machineFunctionInfo: |
| isEntryFunction: true |
| hasSpilledSGPRs: true |
| scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99' |
| stackPtrOffsetReg: '$sgpr32' |
| |
| stack: |
| - { id: 0, type: spill-slot, size: 8, alignment: 4, stack-id: sgpr-spill } |
| |
| body: | |
| bb.0: |
| liveins: $sgpr5 |
| |
| ; CHECK-LABEL: name: sgpr_spill_s64_undef_low32 |
| ; CHECK: liveins: $sgpr5, $vgpr0 |
| ; CHECK: $vgpr0 = V_WRITELANE_B32 $sgpr4, 0, $vgpr0, implicit-def $sgpr4_sgpr5, implicit $sgpr4_sgpr5 |
| ; CHECK: $vgpr0 = V_WRITELANE_B32 $sgpr5, 1, $vgpr0, implicit $sgpr4_sgpr5 |
| SI_SPILL_S64_SAVE renamable $sgpr4_sgpr5, %stack.0, implicit $exec, implicit $sgpr96_sgpr97_sgpr98_sgpr99, implicit $sgpr32 :: (store (s64) into %stack.0, align 4, addrspace 5) |
| |
| ... |