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# 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)
...
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