; LLVM IR from junhyeokahn/PyPnC :: external_source/yaml/src/memory.ll (ZN4YAML6detail6memory11create_nodeEv)

; 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::shared_ptr.0" = type { %"class.std::__shared_ptr.1" }
%"class.std::__shared_ptr.1" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.YAML::detail::memory" = type { %"class.std::set" }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::shared_ptr<YAML::detail::node>, std::shared_ptr<YAML::detail::node>, std::_Identity<std::shared_ptr<YAML::detail::node>>, std::less<std::shared_ptr<YAML::detail::node>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::shared_ptr<YAML::detail::node>, std::shared_ptr<YAML::detail::node>, std::_Identity<std::shared_ptr<YAML::detail::node>>, std::less<std::shared_ptr<YAML::detail::node>>>::_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 }

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZN4YAML6detail6memory11create_nodeEv(ptr noundef nonnull align 8 dereferenceable(48) %0) #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::shared_ptr.0", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %3) #5
  %8 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 64) #6
  invoke void @_ZN4YAML6detail4nodeC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %8)
          to label %9 unwind label %18

9:                                                ; preds = %1
  call void @_ZNSt10shared_ptrIN4YAML6detail4nodeEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef %8)
  %10 = getelementptr inbounds %"class.YAML::detail::memory", ptr %7, i32 0, i32 0
  %11 = invoke { ptr, i8 } @_ZNSt3setISt10shared_ptrIN4YAML6detail4nodeEESt4lessIS4_ESaIS4_EE6insertERKS4_(ptr noundef nonnull align 8 dereferenceable(48) %10, ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %12 unwind label %22

12:                                               ; preds = %9
  %13 = getelementptr inbounds { ptr, i8 }, ptr %6, i32 0, i32 0
  %14 = extractvalue { ptr, i8 } %11, 0
  store ptr %14, ptr %13, align 8
  %15 = getelementptr inbounds { ptr, i8 }, ptr %6, i32 0, i32 1
  %16 = extractvalue { ptr, i8 } %11, 1
  store i8 %16, ptr %15, align 8
  %17 = call noundef nonnull align 8 dereferenceable(64) ptr @_ZNKSt19__shared_ptr_accessIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @_ZNSt12__shared_ptrIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #5
  ret ptr %17

18:                                               ; preds = %1
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %4, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %8, i64 noundef 64) #7
  br label %26

22:                                               ; preds = %9
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %4, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %5, align 4
  call void @_ZNSt12__shared_ptrIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #5
  br label %26

26:                                               ; preds = %22, %18
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #5
  br label %27

27:                                               ; preds = %26
  %28 = load ptr, ptr %4, align 8
  %29 = load i32, ptr %5, align 4
  %30 = insertvalue { ptr, i32 } poison, ptr %28, 0
  %31 = insertvalue { ptr, i32 } %30, i32 %29, 1
  resume { ptr, i32 } %31
}

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4YAML6detail4nodeC2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt10shared_ptrIN4YAML6detail4nodeEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt10shared_ptrIN4YAML6detail4nodeEESt4lessIS4_ESaIS4_EE6insertERKS4_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZNKSt19__shared_ptr_accessIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4 align 2

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

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 = { 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 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { builtin allocsize(0) }
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, !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.std::shared_ptr.0" = type { %"class.std::__shared_ptr.1" }
%"class.std::__shared_ptr.1" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZN4YAML6detail6memory11create_nodeEv(ptr noundef nonnull align 8 dereferenceable(48) %0) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::shared_ptr.0", align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #5
  %3 = tail call noalias noundef nonnull dereferenceable(64) ptr @_Znwm(i64 noundef 64) #6
  invoke void @_ZN4YAML6detail4nodeC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %3)
          to label %4 unwind label %8

4:                                                ; preds = %1
  call void @_ZNSt10shared_ptrIN4YAML6detail4nodeEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull %3)
  %5 = invoke { ptr, i8 } @_ZNSt3setISt10shared_ptrIN4YAML6detail4nodeEESt4lessIS4_ESaIS4_EE6insertERKS4_(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(16) %2)
          to label %6 unwind label %10

6:                                                ; preds = %4
  %7 = call noundef nonnull align 8 dereferenceable(64) ptr @_ZNKSt19__shared_ptr_accessIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1) %2) #5
  call void @_ZNSt12__shared_ptrIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #5
  ret ptr %7

8:                                                ; preds = %1
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 64) #7
  br label %12

10:                                               ; preds = %4
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt12__shared_ptrIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #5
  br label %12

12:                                               ; preds = %10, %8
  %.pn = phi { ptr, i32 } [ %11, %10 ], [ %9, %8 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn
}

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4YAML6detail4nodeC2Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt10shared_ptrIN4YAML6detail4nodeEEC2IS2_vEEPT_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt10shared_ptrIN4YAML6detail4nodeEESt4lessIS4_ESaIS4_EE6insertERKS4_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZNKSt19__shared_ptr_accessIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEdeEv(ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN4YAML6detail4nodeELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4 align 2

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

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 = { mustprogress 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 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { builtin allocsize(0) }
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)"}


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