; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl7parsing7tabling12ParsingState12TakeSnapshotEv)

; 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.63" = type { ptr, ptr, ptr, ptr }
%"class.vl::parsing::tabling::ParsingState" = type { %"class.vl::Object", %"class.vl::ObjectString", %"class.vl::Ptr.61", %"class.vl::collections::List.47", %"class.vl::Ptr.62", %"class.vl::ObjectString", i64, %"class.vl::Ptr.63" }
%"class.vl::Object" = type { ptr }
%"class.vl::Ptr.61" = type { ptr, ptr, ptr, ptr }
%"class.vl::collections::List.47" = type { %"class.vl::collections::ListBase.base.53", %"class.vl::collections::IEnumerable.51" }
%"class.vl::collections::ListBase.base.53" = type <{ %"class.vl::collections::ArrayBase.base.52", i64, i8 }>
%"class.vl::collections::ArrayBase.base.52" = type { %"class.vl::collections::ListStore.50", ptr, i64 }
%"class.vl::collections::ListStore.50" = type { %"class.vl::Object" }
%"class.vl::collections::IEnumerable.51" = type { %"class.vl::Interface" }
%"class.vl::Interface" = type { ptr }
%"class.vl::Ptr.62" = type { ptr, ptr, ptr, ptr }
%"class.vl::ObjectString" = type { %"class.vl::Object", ptr, ptr, i64, i64, i64 }

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl7parsing7tabling12ParsingState12TakeSnapshotEv(ptr dead_on_unwind noalias writable sret(%"class.vl::Ptr.63") align 8 %0, ptr noundef nonnull align 8 dereferenceable(256) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8
  %8 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 128) #4
  %9 = getelementptr inbounds %"class.vl::parsing::tabling::ParsingState", ptr %7, i32 0, i32 7
  %10 = invoke noundef ptr @_ZNK2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEE3ObjEv(ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %11 unwind label %13

11:                                               ; preds = %2
  invoke void @_ZN2vl7parsing7tabling12ParsingState10StateGroupC1ERKS3_(ptr noundef nonnull align 8 dereferenceable(128) %8, ptr noundef nonnull align 8 dereferenceable(128) %10)
          to label %12 unwind label %13

12:                                               ; preds = %11
  call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEEC2EPS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %8)
  ret void

13:                                               ; preds = %11, %2
  %14 = landingpad { ptr, i32 }
          cleanup
  %15 = extractvalue { ptr, i32 } %14, 0
  store ptr %15, ptr %5, align 8
  %16 = extractvalue { ptr, i32 } %14, 1
  store i32 %16, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %8, i64 noundef 128) #5
  br label %17

17:                                               ; preds = %13
  %18 = load ptr, ptr %5, align 8
  %19 = load i32, ptr %6, align 4
  %20 = insertvalue { ptr, i32 } poison, ptr %18, 0
  %21 = insertvalue { ptr, i32 } %20, i32 %19, 1
  resume { ptr, i32 } %21
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEE3ObjEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEEC2EPS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) unnamed_addr #2 align 2

declare void @_ZN2vl7parsing7tabling12ParsingState10StateGroupC1ERKS3_(ptr, ptr)

attributes #0 = { nobuiltin nounwind "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 = { nobuiltin allocsize(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 = { 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 #4 = { builtin allocsize(0) }
attributes #5 = { builtin 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"}


; 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.63" = type { ptr, ptr, ptr, ptr }

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl7parsing7tabling12ParsingState12TakeSnapshotEv(ptr dead_on_unwind noalias writable sret(%"class.vl::Ptr.63") align 8 %0, ptr noundef nonnull align 8 dereferenceable(256) %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = tail call noalias noundef nonnull dereferenceable(128) ptr @_Znwm(i64 noundef 128) #4
  %4 = getelementptr inbounds i8, ptr %1, i64 224
  %5 = tail call noundef ptr @_ZNK2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEE3ObjEv(ptr noundef nonnull align 8 dereferenceable(32) %4)
  invoke void @_ZN2vl7parsing7tabling12ParsingState10StateGroupC1ERKS3_(ptr noundef nonnull align 8 dereferenceable(128) %3, ptr noundef nonnull align 8 dereferenceable(128) %5)
          to label %6 unwind label %7

6:                                                ; preds = %2
  tail call void @_ZN2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEEC2EPS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull %3)
  ret void

7:                                                ; preds = %2
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 128) #5
  resume { ptr, i32 } %8
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEE3ObjEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing7tabling12ParsingState10StateGroupEEC2EPS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) unnamed_addr #2 align 2

declare void @_ZN2vl7parsing7tabling12ParsingState10StateGroupC1ERKS3_(ptr, ptr) local_unnamed_addr

attributes #0 = { nobuiltin nounwind "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 = { nobuiltin allocsize(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 = { 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 #4 = { builtin allocsize(0) }
attributes #5 = { builtin 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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass