; 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::Ptr.473" = type { ptr, ptr, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN2vl7parsing7tabling12ParsingTable14TransitionItem10CheckOrderENS_3PtrIS3_EES5_b(ptr noundef, ptr noundef, i1 noundef zeroext) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZN2vl7parsing7tabling12ParsingTable14TransitionItem7CompareENS_3PtrIS3_EES5_(ptr noundef %0, ptr noundef %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.vl::Ptr.473", align 8
  %8 = alloca %"class.vl::Ptr.473", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %0)
  invoke void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %12 unwind label %16

12:                                               ; preds = %2
  %13 = invoke noundef i32 @_ZN2vl7parsing7tabling12ParsingTable14TransitionItem10CheckOrderENS_3PtrIS3_EES5_b(ptr noundef %7, ptr noundef %8, i1 noundef zeroext true)
          to label %14 unwind label %20

14:                                               ; preds = %12
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  store i32 %13, ptr %6, align 4, !tbaa !9
  %15 = load i32, ptr %6, align 4, !tbaa !9
  switch i32 %15, label %27 [
    i32 0, label %25
    i32 1, label %26
  ]

16:                                               ; preds = %2
  %17 = landingpad { ptr, i32 }
          cleanup
  %18 = extractvalue { ptr, i32 } %17, 0
  store ptr %18, ptr %9, align 8
  %19 = extractvalue { ptr, i32 } %17, 1
  store i32 %19, ptr %10, align 4
  br label %24

20:                                               ; preds = %12
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %9, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %10, align 4
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #3
  br label %24

24:                                               ; preds = %20, %16
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %30

25:                                               ; preds = %14
  store i64 -1, ptr %3, align 8
  store i32 1, ptr %11, align 4
  br label %28

26:                                               ; preds = %14
  store i64 1, ptr %3, align 8
  store i32 1, ptr %11, align 4
  br label %28

27:                                               ; preds = %14
  store i64 0, ptr %3, align 8
  store i32 1, ptr %11, align 4
  br label %28

28:                                               ; preds = %27, %26, %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %29 = load i64, ptr %3, align 8
  ret i64 %29

30:                                               ; preds = %24
  %31 = load ptr, ptr %9, align 8
  %32 = load i32, ptr %10, align 4
  %33 = insertvalue { ptr, i32 } poison, ptr %31, 0
  %34 = insertvalue { ptr, i32 } %33, i32 %32, 1
  resume { ptr, i32 } %34
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"_ZTSN2vl7parsing7tabling12ParsingTable14TransitionItem11OrderResultE", !7, i64 0}


; 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"

%"class.vl::Ptr.473" = type { ptr, ptr, ptr, ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN2vl7parsing7tabling12ParsingTable14TransitionItem10CheckOrderENS_3PtrIS3_EES5_b(ptr noundef, ptr noundef, i1 noundef zeroext) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i64 -1, 2) i64 @_ZN2vl7parsing7tabling12ParsingTable14TransitionItem7CompareENS_3PtrIS3_EES5_(ptr noundef nonnull %0, ptr noundef %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.vl::Ptr.473", align 8
  %4 = alloca %"class.vl::Ptr.473", align 8
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %0)
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %5 = invoke noundef i32 @_ZN2vl7parsing7tabling12ParsingTable14TransitionItem10CheckOrderENS_3PtrIS3_EES5_b(ptr noundef nonnull %3, ptr noundef nonnull %4, i1 noundef zeroext true)
          to label %6 unwind label %7

6:                                                ; preds = %2
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #2
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  %switch.selectcmp = icmp eq i32 %5, 1
  %switch.select = zext i1 %switch.selectcmp to i64
  %switch.selectcmp3 = icmp eq i32 %5, 0
  %switch.select4 = select i1 %switch.selectcmp3, i64 -1, i64 %switch.select
  ret i64 %switch.select4

7:                                                ; preds = %2
  %8 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #2
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingTable14TransitionItemEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  resume { ptr, i32 } %8
}

attributes #0 = { 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)"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass