; LLVM IR from vczh/herodb :: Kernel/Source (Vlpp)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator" = type { %"class.vl::Object", %"class.vl::collections::IEnumerator", ptr, i64, i64, i64, i64 }
%"class.vl::Object" = type { ptr }
%"class.vl::collections::IEnumerator" = type { %"class.vl::Interface" }
%"class.vl::Interface" = type { ptr }

@_ZTVN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE = external dso_local unnamed_addr constant { [10 x ptr], [12 x ptr] }, align 8
@_ZTTN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE = external dso_local unnamed_addr constant [5 x ptr], align 8

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl11collections11IEnumeratorIlEC2Ev(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl9InterfaceC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorC1ERKS3_(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(56) %1) unnamed_addr #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds i8, ptr %5, i64 8
  call void @_ZN2vl9InterfaceC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %6)
  call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #2
  %7 = getelementptr inbounds i8, ptr %5, i64 8
  call void @_ZN2vl11collections11IEnumeratorIlEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef getelementptr inbounds ([5 x ptr], ptr @_ZTTN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE, i64 0, i64 1)) #2
  store ptr getelementptr inbounds inrange(-24, 56) ({ [10 x ptr], [12 x ptr] }, ptr @_ZTVN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE, i32 0, i32 0, i32 3), ptr %5, align 8, !tbaa !9
  %8 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr getelementptr inbounds inrange(-32, 64) ({ [10 x ptr], [12 x ptr] }, ptr @_ZTVN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE, i32 0, i32 1, i32 4), ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr getelementptr inbounds inrange(-32, 64) ({ [10 x ptr], [12 x ptr] }, ptr @_ZTVN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE, i32 0, i32 1, i32 4), ptr %9, align 8, !tbaa !9
  %10 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %5, i32 0, i32 2
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %11, i32 0, i32 2
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  store ptr %13, ptr %10, align 8, !tbaa !11
  %14 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %5, i32 0, i32 3
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %15, i32 0, i32 3
  %17 = load i64, ptr %16, align 8, !tbaa !16
  store i64 %17, ptr %14, align 8, !tbaa !16
  %18 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %5, i32 0, i32 4
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %19, i32 0, i32 4
  %21 = load i64, ptr %20, align 8, !tbaa !17
  store i64 %21, ptr %18, align 8, !tbaa !17
  %22 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %5, i32 0, i32 5
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %23, i32 0, i32 5
  %25 = load i64, ptr %24, align 8, !tbaa !18
  store i64 %25, ptr %22, align 8, !tbaa !18
  %26 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %5, i32 0, i32 6
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %27, i32 0, i32 6
  %29 = load i64, ptr %28, align 8, !tbaa !19
  store i64 %29, ptr %26, align 8, !tbaa !19
  ret void
}

attributes #0 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"_ZTSN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE", !13, i64 0, !14, i64 8, !6, i64 16, !15, i64 24, !15, i64 32, !15, i64 40, !15, i64 48}
!13 = !{!"_ZTSN2vl6ObjectE"}
!14 = !{!"_ZTSN2vl11collections11IEnumeratorIlEE"}
!15 = !{!"long", !7, i64 0}
!16 = !{!12, !15, i64 24}
!17 = !{!12, !15, i64 32}
!18 = !{!12, !15, i64 40}
!19 = !{!12, !15, i64 48}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@_ZTVN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE = external dso_local unnamed_addr constant { [10 x ptr], [12 x ptr] }, align 8
@_ZTTN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE = external dso_local unnamed_addr constant [5 x ptr], align 8

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl11collections11IEnumeratorIlEC2Ev(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl9InterfaceC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorC1ERKS3_(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr nocapture noundef nonnull readonly align 8 dereferenceable(56) %1) unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @_ZN2vl9InterfaceC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %3)
  tail call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #2
  tail call void @_ZN2vl11collections11IEnumeratorIlEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull getelementptr inbounds (i8, ptr @_ZTTN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE, i64 8)) #2
  store ptr getelementptr inbounds inrange(-24, 56) (i8, ptr @_ZTVN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE, i64 24), ptr %0, align 8, !tbaa !5
  store ptr getelementptr inbounds inrange(-32, 64) (i8, ptr @_ZTVN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE, i64 112), ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = load ptr, ptr %5, align 8, !tbaa !8
  store ptr %6, ptr %4, align 8, !tbaa !8
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  %8 = getelementptr inbounds i8, ptr %1, i64 24
  %9 = load <2 x i64>, ptr %8, align 8, !tbaa !15
  store <2 x i64> %9, ptr %7, align 8, !tbaa !15
  %10 = getelementptr inbounds i8, ptr %0, i64 40
  %11 = getelementptr inbounds i8, ptr %1, i64 40
  %12 = load <2 x i64>, ptr %11, align 8, !tbaa !15
  store <2 x i64> %12, ptr %10, align 8, !tbaa !15
  ret void
}

attributes #0 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !12, i64 16}
!9 = !{!"_ZTSN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE", !10, i64 0, !11, i64 8, !12, i64 16, !14, i64 24, !14, i64 32, !14, i64 40, !14, i64 48}
!10 = !{!"_ZTSN2vl6ObjectE"}
!11 = !{!"_ZTSN2vl11collections11IEnumeratorIlEE"}
!12 = !{!"any pointer", !13, i64 0}
!13 = !{!"omnipotent char", !7, i64 0}
!14 = !{!"long", !13, i64 0}
!15 = !{!14, !14, i64 0}


; Effective O3 passes: EarlyCSEPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,TailCallElimPass