; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZN2vl5regex2rCEww)

; 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::regex::RegexNode" = type { %"class.vl::Object", %"class.vl::Ptr.1009" }
%"class.vl::Object" = type { ptr }
%"class.vl::Ptr.1009" = type { ptr, ptr, ptr, ptr }
%"class.vl::regex_internal::CharRange" = type { i32, i32 }
%"class.vl::regex_internal::CharSetExpression" = type <{ %"class.vl::regex_internal::Expression", %"class.vl::collections::SortedList.1001", i8, [7 x i8] }>
%"class.vl::regex_internal::Expression" = type { %"class.vl::Object" }
%"class.vl::collections::SortedList.1001" = type { %"class.vl::collections::ListBase.base.1007", %"class.vl::collections::IEnumerable.1005" }
%"class.vl::collections::ListBase.base.1007" = type <{ %"class.vl::collections::ArrayBase.base.1006", i64, i8 }>
%"class.vl::collections::ArrayBase.base.1006" = type { %"class.vl::collections::ListStore.1004", ptr, i64 }
%"class.vl::collections::ListStore.1004" = type { %"class.vl::Object" }
%"class.vl::collections::IEnumerable.1005" = type { %"class.vl::Interface" }
%"class.vl::Interface" = type { ptr }

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_14regex_internal10ExpressionEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN2vl14regex_internal17CharSetExpression20AddRangeWithConflictENS0_9CharRangeE(ptr noundef nonnull align 8 dereferenceable(57), i64) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl3PtrINS_14regex_internal10ExpressionEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN2vl14regex_internal17CharSetExpressionC2Ev(ptr noundef nonnull align 8 dereferenceable(57)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl5regex2rCEww(ptr dead_on_unwind noalias writable sret(%"class.vl::regex::RegexNode") align 8 %0, i32 noundef signext %1, i32 noundef signext %2) #4 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.vl::regex_internal::CharRange", align 4
  %11 = alloca %"class.vl::Ptr.1009", align 8
  store ptr %0, ptr %4, align 8
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  %12 = load i32, ptr %6, align 4, !tbaa !5
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %16, label %14

14:                                               ; preds = %3
  %15 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %15, ptr %6, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %14, %3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %17 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 64) #7
  invoke void @_ZN2vl14regex_internal17CharSetExpressionC2Ev(ptr noundef nonnull align 8 dereferenceable(57) %17)
          to label %18 unwind label %28

18:                                               ; preds = %16
  store ptr %17, ptr %7, align 8, !tbaa !9
  %19 = load ptr, ptr %7, align 8, !tbaa !9
  %20 = getelementptr inbounds %"class.vl::regex_internal::CharSetExpression", ptr %19, i32 0, i32 2
  store i8 0, ptr %20, align 8, !tbaa !11
  %21 = load ptr, ptr %7, align 8, !tbaa !9
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = load i32, ptr %6, align 4, !tbaa !5
  call void @_ZN2vl14regex_internal9CharRangeC1Eww(ptr noundef nonnull align 4 dereferenceable(8) %10, i32 noundef signext %22, i32 noundef signext %23)
  %24 = load i64, ptr %10, align 4
  %25 = call noundef zeroext i1 @_ZN2vl14regex_internal17CharSetExpression20AddRangeWithConflictENS0_9CharRangeE(ptr noundef nonnull align 8 dereferenceable(57) %21, i64 %24)
  %26 = load ptr, ptr %7, align 8, !tbaa !9
  call void @_ZN2vl3PtrINS_14regex_internal10ExpressionEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef %26)
  invoke void @_ZN2vl5regex9RegexNodeC1ENS_3PtrINS_14regex_internal10ExpressionEEE(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef %11)
          to label %27 unwind label %32

27:                                               ; preds = %18
  call void @_ZN2vl3PtrINS_14regex_internal10ExpressionEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  ret void

28:                                               ; preds = %16
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %8, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %9, align 4
  call void @_ZdlPvm(ptr noundef %17, i64 noundef 64) #8
  br label %36

32:                                               ; preds = %18
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %8, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %9, align 4
  call void @_ZN2vl3PtrINS_14regex_internal10ExpressionEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  br label %36

36:                                               ; preds = %32, %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %37

37:                                               ; preds = %36
  %38 = load ptr, ptr %8, align 8
  %39 = load i32, ptr %9, align 4
  %40 = insertvalue { ptr, i32 } poison, ptr %38, 0
  %41 = insertvalue { ptr, i32 } %40, i32 %39, 1
  resume { ptr, i32 } %41
}

declare void @_ZN2vl14regex_internal9CharRangeC1Eww(ptr, i32, i32)

declare void @_ZN2vl5regex9RegexNodeC1ENS_3PtrINS_14regex_internal10ExpressionEEE(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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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 #5 = { inlinehint 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 #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { 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 = !{!"wchar_t", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !20, i64 56}
!12 = !{!"_ZTSN2vl14regex_internal17CharSetExpressionE", !13, i64 0, !15, i64 8, !20, i64 56}
!13 = !{!"_ZTSN2vl14regex_internal10ExpressionE", !14, i64 0}
!14 = !{!"_ZTSN2vl6ObjectE"}
!15 = !{!"_ZTSN2vl11collections10SortedListINS_14regex_internal9CharRangeES3_EE", !16, i64 0}
!16 = !{!"_ZTSN2vl11collections8ListBaseINS_14regex_internal9CharRangeES3_EE", !17, i64 0, !19, i64 24, !20, i64 32}
!17 = !{!"_ZTSN2vl11collections9ArrayBaseINS_14regex_internal9CharRangeEEE", !18, i64 0, !10, i64 8, !19, i64 16}
!18 = !{!"_ZTSN2vl11collections9ListStoreINS_14regex_internal9CharRangeELb1EEE", !14, i64 0}
!19 = !{!"long", !7, i64 0}
!20 = !{!"bool", !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::regex::RegexNode" = type { %"class.vl::Object", %"class.vl::Ptr.1009" }
%"class.vl::Object" = type { ptr }
%"class.vl::Ptr.1009" = type { ptr, ptr, ptr, ptr }
%"class.vl::regex_internal::CharRange" = type { i32, i32 }

; 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 nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_14regex_internal10ExpressionEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN2vl14regex_internal17CharSetExpression20AddRangeWithConflictENS0_9CharRangeE(ptr noundef nonnull align 8 dereferenceable(57), i64) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl3PtrINS_14regex_internal10ExpressionEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN2vl14regex_internal17CharSetExpressionC2Ev(ptr noundef nonnull align 8 dereferenceable(57)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl5regex2rCEww(ptr dead_on_unwind noalias writable sret(%"class.vl::regex::RegexNode") align 8 %0, i32 noundef signext %1, i32 noundef signext %2) local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.vl::regex_internal::CharRange", align 8
  %5 = alloca %"class.vl::Ptr.1009", align 8
  %6 = tail call noalias noundef nonnull dereferenceable(64) ptr @_Znwm(i64 noundef 64) #5
  invoke void @_ZN2vl14regex_internal17CharSetExpressionC2Ev(ptr noundef nonnull align 8 dereferenceable(57) %6)
          to label %7 unwind label %12

7:                                                ; preds = %3
  %.not = icmp eq i32 %2, 0
  %spec.select = select i1 %.not, i32 %1, i32 %2
  %8 = getelementptr inbounds i8, ptr %6, i64 56
  store i8 0, ptr %8, align 8, !tbaa !5
  call void @_ZN2vl14regex_internal9CharRangeC1Eww(ptr noundef nonnull align 4 dereferenceable(8) %4, i32 noundef signext %1, i32 noundef signext %spec.select)
  %9 = load i64, ptr %4, align 8
  %10 = call noundef zeroext i1 @_ZN2vl14regex_internal17CharSetExpression20AddRangeWithConflictENS0_9CharRangeE(ptr noundef nonnull align 8 dereferenceable(57) %6, i64 %9)
  call void @_ZN2vl3PtrINS_14regex_internal10ExpressionEEC2EPS2_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull %6)
  invoke void @_ZN2vl5regex9RegexNodeC1ENS_3PtrINS_14regex_internal10ExpressionEEE(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull %5)
          to label %11 unwind label %14

11:                                               ; preds = %7
  call void @_ZN2vl3PtrINS_14regex_internal10ExpressionEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  ret void

12:                                               ; preds = %3
  %13 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %6, i64 noundef 64) #7
  br label %16

14:                                               ; preds = %7
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN2vl3PtrINS_14regex_internal10ExpressionEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  br label %16

16:                                               ; preds = %14, %12
  %.pn = phi { ptr, i32 } [ %15, %14 ], [ %13, %12 ]
  resume { ptr, i32 } %.pn
}

declare void @_ZN2vl14regex_internal9CharRangeC1Eww(ptr, i32, i32) local_unnamed_addr

declare void @_ZN2vl5regex9RegexNodeC1ENS_3PtrINS_14regex_internal10ExpressionEEE(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 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 #3 = { 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 #4 = { inlinehint 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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { 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, !17, i64 56}
!6 = !{!"_ZTSN2vl14regex_internal17CharSetExpressionE", !7, i64 0, !9, i64 8, !17, i64 56}
!7 = !{!"_ZTSN2vl14regex_internal10ExpressionE", !8, i64 0}
!8 = !{!"_ZTSN2vl6ObjectE"}
!9 = !{!"_ZTSN2vl11collections10SortedListINS_14regex_internal9CharRangeES3_EE", !10, i64 0}
!10 = !{!"_ZTSN2vl11collections8ListBaseINS_14regex_internal9CharRangeES3_EE", !11, i64 0, !16, i64 24, !17, i64 32}
!11 = !{!"_ZTSN2vl11collections9ArrayBaseINS_14regex_internal9CharRangeEEE", !12, i64 0, !13, i64 8, !16, i64 16}
!12 = !{!"_ZTSN2vl11collections9ListStoreINS_14regex_internal9CharRangeELb1EEE", !8, i64 0}
!13 = !{!"any pointer", !14, i64 0}
!14 = !{!"omnipotent char", !15, i64 0}
!15 = !{!"Simple C++ TBAA"}
!16 = !{!"long", !14, i64 0}
!17 = !{!"bool", !14, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass