; 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 }

; 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: mustprogress nounwind uwtable
define dso_local void @_ZN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorC2EPKS2_l(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) unnamed_addr #1 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i64 %3, ptr %8, align 8, !tbaa !9
  %9 = load ptr, ptr %5, align 8
  %10 = load ptr, ptr %6, align 8
  call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %9) #2
  %11 = getelementptr inbounds i8, ptr %9, i64 8
  %12 = getelementptr inbounds ptr, ptr %10, i64 1
  call void @_ZN2vl11collections11IEnumeratorIlEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef %12) #2
  %13 = load ptr, ptr %10, align 8
  store ptr %13, ptr %9, align 8, !tbaa !11
  %14 = getelementptr inbounds ptr, ptr %10, i64 3
  %15 = load ptr, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %9, i64 8
  store ptr %15, ptr %16, align 8, !tbaa !11
  %17 = getelementptr inbounds ptr, ptr %10, i64 4
  %18 = load ptr, ptr %17, align 8
  %19 = load ptr, ptr %9, align 8, !tbaa !11
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr %9, i64 %21
  store ptr %18, ptr %22, align 8, !tbaa !11
  %23 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %9, i32 0, i32 2
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %24, ptr %23, align 8, !tbaa !13
  %25 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %9, i32 0, i32 3
  %26 = load i64, ptr %8, align 8, !tbaa !9
  store i64 %26, ptr %25, align 8, !tbaa !17
  %27 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %9, i32 0, i32 4
  %28 = load i64, ptr %8, align 8, !tbaa !9
  store i64 %28, ptr %27, align 8, !tbaa !18
  %29 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %9, i32 0, i32 5
  store i64 -1, ptr %29, align 8, !tbaa !19
  %30 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingTokenWalker::LookAheadEnumerator", ptr %9, i32 0, i32 6
  store i64 -1, ptr %30, align 8, !tbaa !20
  ret void
}

; 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

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !6, i64 16}
!14 = !{!"_ZTSN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorE", !15, i64 0, !16, i64 8, !6, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48}
!15 = !{!"_ZTSN2vl6ObjectE"}
!16 = !{!"_ZTSN2vl11collections11IEnumeratorIlEE"}
!17 = !{!14, !10, i64 24}
!18 = !{!14, !10, i64 32}
!19 = !{!14, !10, i64 40}
!20 = !{!14, !10, 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"

; 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: mustprogress nounwind uwtable
define dso_local void @_ZN2vl7parsing7tabling18ParsingTokenWalker19LookAheadEnumeratorC2EPKS2_l(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) unnamed_addr #1 align 2 {
  tail call void @_ZN2vl6ObjectC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #3
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  tail call void @_ZN2vl11collections11IEnumeratorIlEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull %6) #3
  %7 = load ptr, ptr %1, align 8
  store ptr %7, ptr %0, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %1, i64 24
  %9 = load ptr, ptr %8, align 8
  store ptr %9, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %1, i64 32
  %11 = load ptr, ptr %10, align 8
  %12 = getelementptr i8, ptr %7, i64 -24
  %13 = load i64, ptr %12, align 8
  %14 = getelementptr inbounds i8, ptr %0, i64 %13
  store ptr %11, ptr %14, align 8, !tbaa !5
  %15 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %2, ptr %15, align 8, !tbaa !8
  %16 = getelementptr inbounds i8, ptr %0, i64 24
  store i64 %3, ptr %16, align 8, !tbaa !15
  %17 = getelementptr inbounds i8, ptr %0, i64 32
  store i64 %3, ptr %17, align 8, !tbaa !16
  %18 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %18, i8 -1, i64 16, i1 false)
  ret void
}

; 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: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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 = !{!9, !14, i64 24}
!16 = !{!9, !14, i64 32}


; Effective O3 passes: EarlyCSEPass,InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass