; LLVM IR from cyberbotics/webots_ros2 :: webots_ros2_driver/webots/src/controller/cpp/Field.ll (ZN6webots5Field7cleanupEv)

; 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.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<WbFieldStructPrivate *, std::pair<WbFieldStructPrivate *const, webots::Field *>, std::_Select1st<std::pair<WbFieldStructPrivate *const, webots::Field *>>, std::less<WbFieldStructPrivate *>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<WbFieldStructPrivate *, std::pair<WbFieldStructPrivate *const, webots::Field *>, std::_Select1st<std::pair<WbFieldStructPrivate *const, webots::Field *>>, std::less<WbFieldStructPrivate *>>::_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 }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type { ptr, ptr }

@_ZL8fieldMap = external hidden global %"class.std::map", align 8

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

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

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6webots5Field7cleanupEv() #1 align 2 {
  %1 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %3 = alloca %"struct.std::_Rb_tree_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #4
  call void @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  %4 = call ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL8fieldMap) #4
  %5 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %2, i32 0, i32 0
  store ptr %4, ptr %5, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %1, ptr align 8 %2, i64 8, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  br label %6

6:                                                ; preds = %17, %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %7 = call ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL8fieldMap) #4
  %8 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %3, i32 0, i32 0
  store ptr %7, ptr %8, align 8
  %9 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEESA_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br i1 %9, label %10, label %19

10:                                               ; preds = %6
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #4
  %12 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 1
  %13 = load ptr, ptr %12, align 8, !tbaa !10
  %14 = icmp eq ptr %13, null
  br i1 %14, label %16, label %15

15:                                               ; preds = %10
  call void @_ZN6webots5FieldD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  call void @_ZdlPvm(ptr noundef %13, i64 noundef 8) #5
  br label %16

16:                                               ; preds = %15, %10
  br label %17

17:                                               ; preds = %16
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #4
  br label %6, !llvm.loop !12

19:                                               ; preds = %6
  call void @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL8fieldMap) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6webots5FieldD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

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 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nounwind }
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 = !{i64 0, i64 8, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !7, i64 8}
!11 = !{!"_ZTSSt4pairIKP20WbFieldStructPrivatePN6webots5FieldEE", !7, i64 0, !7, i64 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; 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.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<WbFieldStructPrivate *, std::pair<WbFieldStructPrivate *const, webots::Field *>, std::_Select1st<std::pair<WbFieldStructPrivate *const, webots::Field *>>, std::less<WbFieldStructPrivate *>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<WbFieldStructPrivate *, std::pair<WbFieldStructPrivate *const, webots::Field *>, std::_Select1st<std::pair<WbFieldStructPrivate *const, webots::Field *>>, std::less<WbFieldStructPrivate *>>::_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 }
%"struct.std::_Rb_tree_iterator" = type { ptr }

@_ZL8fieldMap = external hidden global %"class.std::map", align 8

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

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

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6webots5Field7cleanupEv() local_unnamed_addr #1 align 2 {
  %1 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  call void @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %1) #3
  %3 = call ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL8fieldMap) #3
  store ptr %3, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %4 = call ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL8fieldMap) #3
  store ptr %4, ptr %2, align 8
  %5 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEESA_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %11
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #3
  %7 = getelementptr inbounds i8, ptr %6, i64 8
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = icmp eq ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %.lr.ph
  call void @_ZN6webots5FieldD2Ev(ptr noundef nonnull align 8 dereferenceable(8) %8) #3
  call void @_ZdlPvm(ptr noundef nonnull %8, i64 noundef 8) #4
  br label %11

11:                                               ; preds = %.lr.ph, %10
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %13 = call ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL8fieldMap) #3
  store ptr %13, ptr %2, align 8
  %14 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEESA_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %11, %0
  call void @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL8fieldMap) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #3
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6webots5FieldD2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKP20WbFieldStructPrivatePN6webots5FieldEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIP20WbFieldStructPrivatePN6webots5FieldESt4lessIS1_ESaISt4pairIKS1_S4_EEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 = { 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 #3 = { nounwind }
attributes #4 = { 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"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTSSt4pairIKP20WbFieldStructPrivatePN6webots5FieldEE", !6, i64 0, !6, i64 8}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass