test/CodeGen/AArch64/machine-sme-abi-skip-debug-inst.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
# RUN: llc -mtriple=aarch64 -mattr=+sve -mattr=+sme -run-pass=aarch64-machine-sme-abi -verify-machineinstrs %s -o - | FileCheck %s

--- |
  ; Tests we skip debug instructions when computing liveness.
  define void @skip_debug_instructions() "aarch64_inout_za" { ret void }

  declare void @clobber()

  !llvm.dbg.cu = !{!0}
  !llvm.module.flags = !{!3}

  !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !2, imports: !2, splitDebugInlining: false, nameTableKind: None)
  !1 = !DIFile(filename: "test.cpp", directory: "dir", checksumkind: CSK_MD5, checksum: "6cd3cbff285d245f25d9b3f1d7552e31")
  !2 = !{}
  !3 = !{i32 2, !"Debug Info Version", i32 3}
  !4 = !DILocalVariable(name: "this", arg: 1, scope: !5, type: !15, flags: DIFlagArtificial | DIFlagObjectPointer)
  !5 = distinct !DISubprogram(name: "operator()", linkageName: "test", scope: !7, file: !6, line: 347, type: !13, scopeLine: 347, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, declaration: !14, retainedNodes: !2, keyInstructions: true)
  !6 = !DIFile(filename: "test.cpp", directory: "dir", checksumkind: CSK_MD5, checksum: "6cd3cbff285d245f25d9b3f1d7552e31")
  !7 = distinct !DICompositeType(tag: DW_TAG_class_type, scope: !8, file: !6, line: 347, size: 896, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !2)
  !8 = distinct !DISubprogram(name: "test", linkageName: "test", scope: !9, file: !6, line: 327, type: !11, scopeLine: 336, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2, keyInstructions: true)
  !9 = !DINamespace(name: "test", scope: !10)
  !10 = !DINamespace(name: "test", scope: null)
  !11 = distinct !DISubroutineType(types: !12)
  !12 = !{null}
  !13 = distinct !DISubroutineType(types: !12)
  !14 = !DISubprogram(name: "operator()", scope: !7, file: !6, line: 347, type: !13, scopeLine: 347, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagOptimized)
  !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
  !16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !7)
  !17 = !DILocation(line: 0, scope: !5)
...
---
name:            skip_debug_instructions
tracksRegLiveness: true
isSSA:             true
noVRegs:           false
body:             |
  bb.0:

    ; CHECK-LABEL: name: skip_debug_instructions
    ; CHECK: [[RDSVLI_XI:%[0-9]+]]:gpr64 = RDSVLI_XI 1, implicit $vg
    ; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr64 = COPY $sp
    ; CHECK-NEXT: [[MSUBXrrr:%[0-9]+]]:gpr64 = MSUBXrrr [[RDSVLI_XI]], [[RDSVLI_XI]], [[COPY]]
    ; CHECK-NEXT: $sp = COPY [[MSUBXrrr]]
    ; CHECK-NEXT: STPXi [[MSUBXrrr]], [[RDSVLI_XI]], %stack.0, 0
    ; CHECK-NEXT: [[ADDXri:%[0-9]+]]:gpr64sp = ADDXri %stack.0, 0, 0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr64 = COPY [[ADDXri]]
    ; CHECK-NEXT: MSR 56965, [[COPY1]]
    ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    ; CHECK-NEXT: RequiresZASavePseudo
    ; CHECK-NEXT: BL @clobber, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
    ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp
    ; CHECK-NEXT: MSRpstatesvcrImm1 2, 1, implicit-def $nzcv
    ; CHECK-NEXT: [[MRS:%[0-9]+]]:gpr64 = MRS 56965, implicit-def $nzcv
    ; CHECK-NEXT: $x0 = ADDXri %stack.0, 0, 0
    ; CHECK-NEXT: RestoreZAPseudo [[MRS]], $x0, &__arm_tpidr2_restore, csr_aarch64_sme_abi_support_routines_preservemost_from_x0
    ; CHECK-NEXT: MSR 56965, $xzr
    ; CHECK-NEXT: $nzcv = IMPLICIT_DEF
    ; CHECK-NEXT: DBG_VALUE $w0, $noreg
    ; CHECK-NEXT: $zab0 = IMPLICIT_DEF
    ; CHECK-NEXT: FAKE_USE $nzcv
    ; CHECK-NEXT: RET_ReallyLR
    ADJCALLSTACKDOWN 0, 0, implicit-def dead $sp, implicit $sp
    RequiresZASavePseudo
    BL @clobber, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp
    ADJCALLSTACKUP 0, 0, implicit-def dead $sp, implicit $sp

    $nzcv = IMPLICIT_DEF
    DBG_VALUE $w0, $noreg, !4, !DIExpression(), debug-location !17
    $zab0 = IMPLICIT_DEF
    FAKE_USE $nzcv

    RET_ReallyLR
...