; LLVM IR from buresjan/optim_lbm :: nomad/src/Type (ListOfVariableGroup)

; 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.std::_List_const_iterator" = type { ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<unsigned long, unsigned long, std::_Identity<unsigned long>, std::less<unsigned long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<unsigned long, unsigned long, std::_Identity<unsigned long>, std::less<unsigned long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_3lsERSoRKSt3setImSt4lessImESaImEE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(48)) #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_3lsERSoRKNSt7__cxx114listISt3setImSt4lessImESaImEESaIS7_EEE(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"struct.std::_List_const_iterator", align 8
  %8 = alloca %"struct.std::_List_const_iterator", align 8
  %9 = alloca %"class.std::set", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %12, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #4
  %15 = getelementptr inbounds %"struct.std::_List_const_iterator", ptr %7, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = call ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  %18 = getelementptr inbounds %"struct.std::_List_const_iterator", ptr %8, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %19

19:                                               ; preds = %40, %2
  %20 = call noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorISt3setImSt4lessImESaImEEES7_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %20, label %22, label %21

21:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %42

22:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 48, ptr %9) #4
  %23 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNKSt20_List_const_iteratorISt3setImSt4lessImESaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  call void @_ZNSt3setImSt4lessImESaImEEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef nonnull align 8 dereferenceable(48) %23)
  %24 = load i64, ptr %5, align 8, !tbaa !9
  %25 = icmp ugt i64 %24, 0
  br i1 %25, label %26, label %34

26:                                               ; preds = %22
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %27, ptr noundef @.str.2)
          to label %29 unwind label %30

29:                                               ; preds = %26
  br label %34

30:                                               ; preds = %34, %26
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %10, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %11, align 4
  call void @_ZNSt3setImSt4lessImESaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %9) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %44

34:                                               ; preds = %29, %22
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_3lsERSoRKSt3setImSt4lessImESaImEE(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef nonnull align 8 dereferenceable(48) %9)
          to label %37 unwind label %30

37:                                               ; preds = %34
  %38 = load i64, ptr %5, align 8, !tbaa !9
  %39 = add i64 %38, 1
  store i64 %39, ptr %5, align 8, !tbaa !9
  call void @_ZNSt3setImSt4lessImESaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %9) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %9) #4
  br label %40

40:                                               ; preds = %37
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorISt3setImSt4lessImESaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %19

42:                                               ; preds = %21
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret ptr %43

44:                                               ; preds = %30
  %45 = load ptr, ptr %10, align 8
  %46 = load i32, ptr %11, align 4
  %47 = insertvalue { ptr, i32 } poison, ptr %45, 0
  %48 = insertvalue { ptr, i32 } %47, i32 %46, 1
  resume { ptr, i32 } %48
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorISt3setImSt4lessImESaImEEES7_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(48) ptr @_ZNKSt20_List_const_iteratorISt3setImSt4lessImESaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt3setImSt4lessImESaImEEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setImSt4lessImESaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorISt3setImSt4lessImESaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 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 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 nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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}


; 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"

%"struct.std::_List_const_iterator" = type { ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<unsigned long, unsigned long, std::_Identity<unsigned long>, std::less<unsigned long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<unsigned long, unsigned long, std::_Identity<unsigned long>, std::less<unsigned long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_3lsERSoRKSt3setImSt4lessImESaImEE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_3lsERSoRKNSt7__cxx114listISt3setImSt4lessImESaImEESaIS7_EEE(ptr noundef nonnull returned align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"struct.std::_List_const_iterator", align 8
  %4 = alloca %"struct.std::_List_const_iterator", align 8
  %5 = alloca %"class.std::set", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %6 = tail call ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %6, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %7 = tail call ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %7, ptr %4, align 8
  %8 = call noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorISt3setImSt4lessImESaImEEES7_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %8, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %16, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret ptr %0

.lr.ph:                                           ; preds = %2, %16
  %.09 = phi i64 [ %17, %16 ], [ 0, %2 ]
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %5) #4
  %9 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNKSt20_List_const_iteratorISt3setImSt4lessImESaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @_ZNSt3setImSt4lessImESaImEEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(48) %9)
  %.not = icmp eq i64 %.09, 0
  br i1 %.not, label %14, label %10

10:                                               ; preds = %.lr.ph
  %11 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull @.str.2)
          to label %14 unwind label %12

12:                                               ; preds = %14, %10
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt3setImSt4lessImESaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  resume { ptr, i32 } %13

14:                                               ; preds = %10, %.lr.ph
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZN9NOMAD_4_3lsERSoRKSt3setImSt4lessImESaImEE(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(48) %5)
          to label %16 unwind label %12

16:                                               ; preds = %14
  %17 = add i64 %.09, 1
  call void @_ZNSt3setImSt4lessImESaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #4
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorISt3setImSt4lessImESaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %19 = call noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorISt3setImSt4lessImESaImEEES7_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %19, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt7__cxx114listISt3setImSt4lessImESaImEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt20_List_const_iteratorISt3setImSt4lessImESaImEEES7_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(48) ptr @_ZNKSt20_List_const_iteratorISt3setImSt4lessImESaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt3setImSt4lessImESaImEEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setImSt4lessImESaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt20_List_const_iteratorISt3setImSt4lessImESaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 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 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass