TheRock/compiler/amd-llvm/llvm/test/DebugInfo/AMDGPU/live-debug-values-spill-tracking.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1100 -run-pass livedebugvalues %s -o - -debug-only livedebugvalues 2>&1 | FileCheck %s

# REQUIRES: asserts

# Verify that spill tracking is disabled on amdgcn.

# CHECK: Disabling InstrRefBasedLDV spill tracking for kern since target has too many potential stack slot indexes

--- |
  define void @kern() #0 !dbg !9 {
    ret void, !dbg !15
  }

  attributes #0 = { noinline nounwind optnone "target-cpu"="gfx1100" }

  !llvm.dbg.cu = !{!0}
  !llvm.module.flags = !{!2, !3, !4, !5, !6, !7}
  !llvm.ident = !{!8}

  !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 19.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
  !1 = !DIFile(filename: "t.cpp", directory: "/")
  !2 = !{i32 1, !"amdhsa_code_object_version", i32 500}
  !3 = !{i32 7, !"Dwarf Version", i32 5}
  !4 = !{i32 2, !"Debug Info Version", i32 3}
  !5 = !{i32 1, !"wchar_size", i32 4}
  !6 = !{i32 8, !"PIC Level", i32 2}
  !7 = !{i32 7, !"frame-pointer", i32 2}
  !8 = !{!"clang version 19.0.0"}
  !9 = distinct !DISubprogram(name: "kern", linkageName: "kern", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12)
  !10 = !DISubroutineType(types: !11)
  !11 = !{}
  !12 = !{!13}
  !13 = !DILocalVariable(name: "var", scope: !9, file: !1, line: 1, type: !14)
  !14 = !DIBasicType(name: "i32", size: 32, encoding: DW_ATE_signed)
  !15 = !DILocation(line: 1, column: 1, scope: !9)

...
---
name: kern
tracksRegLiveness: true
debugInstrRef: true
stack:
  - { id: 0, name: '', type: spill-slot, offset: 0, size: 4, alignment: 4 }
machineFunctionInfo:
  scratchRSrcReg:  $sgpr0_sgpr1_sgpr2_sgpr3
  stackPtrOffsetReg: '$sgpr32'
  hasSpilledVGPRs: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: kern
    ; CHECK: frame-setup CFI_INSTRUCTION escape 0x0f, 0x09, 0x90, 0x40, 0x94, 0x04, 0x36, 0x24, 0x36, 0xe9, 0x02
    ; CHECK-NEXT: frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32
    ; CHECK-NEXT: frame-setup CFI_INSTRUCTION undefined $vgpr0
    ; CHECK-NEXT: DBG_INSTR_REF !13, !DIExpression(DIOpArg(0, i32)), dbg-instr-ref(1, 0), debug-location !15
    ; CHECK-NEXT: DBG_VALUE_LIST !13, !DIExpression(DIOpArg(0, i32)), $noreg, debug-location !15
    ; CHECK-NEXT: $vgpr0 = V_MOV_B32_e32 0, implicit $exec, debug-instr-number 1, debug-location !15
    ; CHECK-NEXT: DBG_VALUE_LIST !13, !DIExpression(DIOpArg(0, i32)), $vgpr0, debug-location !15
    ; CHECK-NEXT: SCRATCH_STORE_DWORD_SADDR killed $vgpr0, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, debug-location !15 :: (store (s32) into %stack.0, addrspace 5)
    ; CHECK-NEXT: S_NOP 0, debug-location !15
    ; CHECK-NEXT: $vgpr0 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, debug-location !15 :: (load (s32) from %stack.0, addrspace 5)
    ; CHECK-NEXT: S_ENDPGM 0, debug-location !15
    frame-setup CFI_INSTRUCTION escape 0x0f, 0x09, 0x90, 0x40, 0x94, 0x04, 0x36, 0x24, 0x36, 0xe9, 0x02
    frame-setup CFI_INSTRUCTION llvm_register_pair $pc_reg, $sgpr30, 32, $sgpr31, 32
    frame-setup CFI_INSTRUCTION undefined $vgpr0
    DBG_INSTR_REF !13, !DIExpression(DIOpArg(0, i32)), dbg-instr-ref(1, 0), debug-location !15
    $vgpr0 = V_MOV_B32_e32 0, implicit $exec, debug-instr-number 1, debug-location !15
    SCRATCH_STORE_DWORD_SADDR killed $vgpr0, $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, debug-location !15 :: (store (s32) into %stack.0, addrspace 5)
    S_NOP 0, debug-location !15
    $vgpr0 = SCRATCH_LOAD_DWORD_SADDR $sgpr32, 0, 0, implicit $exec, implicit $flat_scr, debug-location !15 :: (load (s32) from %stack.0, addrspace 5)
    S_ENDPGM 0, debug-location !15

...