; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl7parsing7tabling12ParsingState10StateGroupC2Ev)

; 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"

%"struct.vl::parsing::tabling::ParsingState::StateGroup" = type { %"class.vl::collections::List.116", i64, i64, %"class.vl::collections::List.626", ptr, ptr }
%"class.vl::collections::List.116" = type { %"class.vl::collections::ListBase.base.122", %"class.vl::collections::IEnumerable.120" }
%"class.vl::collections::ListBase.base.122" = type <{ %"class.vl::collections::ArrayBase.base.121", i64, i8 }>
%"class.vl::collections::ArrayBase.base.121" = type { %"class.vl::collections::ListStore.119", ptr, i64 }
%"class.vl::collections::ListStore.119" = type { %"class.vl::Object" }
%"class.vl::Object" = type { ptr }
%"class.vl::collections::IEnumerable.120" = type { %"class.vl::Interface" }
%"class.vl::Interface" = type { ptr }
%"class.vl::collections::List.626" = type { %"class.vl::collections::ListBase.base.632", %"class.vl::collections::IEnumerable.630" }
%"class.vl::collections::ListBase.base.632" = type <{ %"class.vl::collections::ArrayBase.base.631", i64, i8 }>
%"class.vl::collections::ArrayBase.base.631" = type { %"class.vl::collections::ListStore.629", ptr, i64 }
%"class.vl::collections::ListStore.629" = type { %"class.vl::Object" }
%"class.vl::collections::IEnumerable.630" = type { %"class.vl::Interface" }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl11collections4ListIllEC1Ev(ptr noundef nonnull align 8 dereferenceable(33)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl11collections4ListIllED1Ev(ptr noundef nonnull align 8 dereferenceable(33)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl7parsing7tabling12ParsingState10StateGroupC2Ev(ptr noundef nonnull align 8 dereferenceable(128) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8
  %6 = getelementptr inbounds %"struct.vl::parsing::tabling::ParsingState::StateGroup", ptr %5, i32 0, i32 0
  call void @_ZN2vl11collections4ListIllEC1Ev(ptr noundef nonnull align 8 dereferenceable(33) %6)
  %7 = getelementptr inbounds %"struct.vl::parsing::tabling::ParsingState::StateGroup", ptr %5, i32 0, i32 1
  store i64 -1, ptr %7, align 8, !tbaa !9
  %8 = getelementptr inbounds %"struct.vl::parsing::tabling::ParsingState::StateGroup", ptr %5, i32 0, i32 2
  store i64 0, ptr %8, align 8, !tbaa !22
  %9 = getelementptr inbounds %"struct.vl::parsing::tabling::ParsingState::StateGroup", ptr %5, i32 0, i32 3
  invoke void @_ZN2vl11collections4ListIPNS_5regex10RegexTokenES4_EC1Ev(ptr noundef nonnull align 8 dereferenceable(33) %9)
          to label %10 unwind label %13

10:                                               ; preds = %1
  %11 = getelementptr inbounds %"struct.vl::parsing::tabling::ParsingState::StateGroup", ptr %5, i32 0, i32 4
  store ptr null, ptr %11, align 8, !tbaa !23
  %12 = getelementptr inbounds %"struct.vl::parsing::tabling::ParsingState::StateGroup", ptr %5, i32 0, i32 5
  store ptr null, ptr %12, align 8, !tbaa !24
  ret void

13:                                               ; preds = %1
  %14 = landingpad { ptr, i32 }
          cleanup
  %15 = extractvalue { ptr, i32 } %14, 0
  store ptr %15, ptr %3, align 8
  %16 = extractvalue { ptr, i32 } %14, 1
  store i32 %16, ptr %4, align 4
  call void @_ZN2vl11collections4ListIllED1Ev(ptr noundef nonnull align 8 dereferenceable(33) %6) #2
  br label %17

17:                                               ; preds = %13
  %18 = load ptr, ptr %3, align 8
  %19 = load i32, ptr %4, 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 uwtable
declare dso_local void @_ZN2vl11collections4ListIPNS_5regex10RegexTokenES4_EC1Ev(ptr noundef nonnull align 8 dereferenceable(33)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #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, !16, i64 48}
!10 = !{!"_ZTSN2vl7parsing7tabling12ParsingState10StateGroupE", !11, i64 0, !16, i64 48, !16, i64 56, !18, i64 64, !6, i64 112, !6, i64 120}
!11 = !{!"_ZTSN2vl11collections4ListIllEE", !12, i64 0}
!12 = !{!"_ZTSN2vl11collections8ListBaseIllEE", !13, i64 0, !16, i64 24, !17, i64 32}
!13 = !{!"_ZTSN2vl11collections9ArrayBaseIlEE", !14, i64 0, !6, i64 8, !16, i64 16}
!14 = !{!"_ZTSN2vl11collections9ListStoreIlLb1EEE", !15, i64 0}
!15 = !{!"_ZTSN2vl6ObjectE"}
!16 = !{!"long", !7, i64 0}
!17 = !{!"bool", !7, i64 0}
!18 = !{!"_ZTSN2vl11collections4ListIPNS_5regex10RegexTokenES4_EE", !19, i64 0}
!19 = !{!"_ZTSN2vl11collections8ListBaseIPNS_5regex10RegexTokenES4_EE", !20, i64 0, !16, i64 24, !17, i64 32}
!20 = !{!"_ZTSN2vl11collections9ArrayBaseIPNS_5regex10RegexTokenEEE", !21, i64 0, !6, i64 8, !16, i64 16}
!21 = !{!"_ZTSN2vl11collections9ListStoreIPNS_5regex10RegexTokenELb1EEE", !15, i64 0}
!22 = !{!10, !16, i64 56}
!23 = !{!10, !6, i64 112}
!24 = !{!10, !6, i64 120}


; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl11collections4ListIllEC1Ev(ptr noundef nonnull align 8 dereferenceable(33)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN2vl11collections4ListIllED1Ev(ptr noundef nonnull align 8 dereferenceable(33)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl7parsing7tabling12ParsingState10StateGroupC2Ev(ptr noundef nonnull align 8 dereferenceable(128) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN2vl11collections4ListIllEC1Ev(ptr noundef nonnull align 8 dereferenceable(33) %0)
  %2 = getelementptr inbounds i8, ptr %0, i64 48
  store i64 -1, ptr %2, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 56
  store i64 0, ptr %3, align 8, !tbaa !21
  %4 = getelementptr inbounds i8, ptr %0, i64 64
  invoke void @_ZN2vl11collections4ListIPNS_5regex10RegexTokenES4_EC1Ev(ptr noundef nonnull align 8 dereferenceable(33) %4)
          to label %5 unwind label %7

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 112
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  ret void

7:                                                ; preds = %1
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN2vl11collections4ListIllED1Ev(ptr noundef nonnull align 8 dereferenceable(33) %0) #3
  resume { ptr, i32 } %8
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl11collections4ListIPNS_5regex10RegexTokenES4_EC1Ev(ptr noundef nonnull align 8 dereferenceable(33)) 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 = { 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 #1 = { 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 #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, !15, i64 48}
!6 = !{!"_ZTSN2vl7parsing7tabling12ParsingState10StateGroupE", !7, i64 0, !15, i64 48, !15, i64 56, !17, i64 64, !12, i64 112, !12, i64 120}
!7 = !{!"_ZTSN2vl11collections4ListIllEE", !8, i64 0}
!8 = !{!"_ZTSN2vl11collections8ListBaseIllEE", !9, i64 0, !15, i64 24, !16, i64 32}
!9 = !{!"_ZTSN2vl11collections9ArrayBaseIlEE", !10, i64 0, !12, i64 8, !15, i64 16}
!10 = !{!"_ZTSN2vl11collections9ListStoreIlLb1EEE", !11, i64 0}
!11 = !{!"_ZTSN2vl6ObjectE"}
!12 = !{!"any pointer", !13, i64 0}
!13 = !{!"omnipotent char", !14, i64 0}
!14 = !{!"Simple C++ TBAA"}
!15 = !{!"long", !13, i64 0}
!16 = !{!"bool", !13, i64 0}
!17 = !{!"_ZTSN2vl11collections4ListIPNS_5regex10RegexTokenES4_EE", !18, i64 0}
!18 = !{!"_ZTSN2vl11collections8ListBaseIPNS_5regex10RegexTokenES4_EE", !19, i64 0, !15, i64 24, !16, i64 32}
!19 = !{!"_ZTSN2vl11collections9ArrayBaseIPNS_5regex10RegexTokenEEE", !20, i64 0, !12, i64 8, !15, i64 16}
!20 = !{!"_ZTSN2vl11collections9ListStoreIPNS_5regex10RegexTokenELb1EEE", !11, i64 0}
!21 = !{!6, !15, i64 56}


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