; LLVM IR from lanl/Fierro :: single-node-refactor/src/input/Yaml.ll (ZN4Yaml4NodeaSEPKc)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%"class.Yaml::Node" = type { ptr }
%"class.Yaml::NodeImp" = type { i32, ptr }

@.str.29 = external hidden unnamed_addr constant [1 x i8], align 1

; 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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #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: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4Yaml4NodeaSEPKc(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca i1, align 1
  %8 = alloca i1, align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca i1, align 1
  %13 = alloca i1, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %3, align 8
  %15 = getelementptr inbounds %"class.Yaml::Node", ptr %14, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  call void @_ZN4Yaml7NodeImp10InitScalarEv(ptr noundef nonnull align 8 dereferenceable(16) %16)
  %17 = getelementptr inbounds %"class.Yaml::Node", ptr %14, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  %19 = getelementptr inbounds %"class.Yaml::NodeImp", ptr %18, i32 0, i32 1
  %20 = load ptr, ptr %19, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #3
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = icmp ne ptr %21, null
  store i1 false, ptr %7, align 1
  store i1 false, ptr %8, align 1
  store i1 false, ptr %12, align 1
  store i1 false, ptr %13, align 1
  br i1 %22, label %23, label %26

23:                                               ; preds = %2
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  store i1 true, ptr %7, align 1
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  store i1 true, ptr %8, align 1
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %25 unwind label %46

25:                                               ; preds = %23
  br label %28

26:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #3
  store i1 true, ptr %12, align 1
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  store i1 true, ptr %13, align 1
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef @.str.29, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %27 unwind label %50

27:                                               ; preds = %26
  br label %28

28:                                               ; preds = %27, %25
  %29 = load ptr, ptr %20, align 8, !tbaa !14
  %30 = getelementptr inbounds ptr, ptr %29, i64 3
  %31 = load ptr, ptr %30, align 8
  %32 = invoke noundef zeroext i1 %31(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %33 unwind label %54

33:                                               ; preds = %28
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  %34 = load i1, ptr %13, align 1
  br i1 %34, label %35, label %36

35:                                               ; preds = %33
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  br label %36

36:                                               ; preds = %35, %33
  %37 = load i1, ptr %12, align 1
  br i1 %37, label %38, label %39

38:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #3
  br label %39

39:                                               ; preds = %38, %36
  %40 = load i1, ptr %8, align 1
  br i1 %40, label %41, label %42

41:                                               ; preds = %39
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  br label %42

42:                                               ; preds = %41, %39
  %43 = load i1, ptr %7, align 1
  br i1 %43, label %44, label %45

44:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  br label %45

45:                                               ; preds = %44, %42
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #3
  ret ptr %14

46:                                               ; preds = %23
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %9, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %10, align 4
  br label %65

50:                                               ; preds = %26
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %9, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %10, align 4
  br label %58

54:                                               ; preds = %28
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %9, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  br label %58

58:                                               ; preds = %54, %50
  %59 = load i1, ptr %13, align 1
  br i1 %59, label %60, label %61

60:                                               ; preds = %58
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  br label %61

61:                                               ; preds = %60, %58
  %62 = load i1, ptr %12, align 1
  br i1 %62, label %63, label %64

63:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #3
  br label %64

64:                                               ; preds = %63, %61
  br label %65

65:                                               ; preds = %64, %46
  %66 = load i1, ptr %8, align 1
  br i1 %66, label %67, label %68

67:                                               ; preds = %65
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  br label %68

68:                                               ; preds = %67, %65
  %69 = load i1, ptr %7, align 1
  br i1 %69, label %70, label %71

70:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  br label %71

71:                                               ; preds = %70, %68
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #3
  br label %72

72:                                               ; preds = %71
  %73 = load ptr, ptr %9, align 8
  %74 = load i32, ptr %10, align 4
  %75 = insertvalue { ptr, i32 } poison, ptr %73, 0
  %76 = insertvalue { ptr, i32 } %75, i32 %74, 1
  resume { ptr, i32 } %76
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4Yaml7NodeImp10InitScalarEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 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 = { 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 #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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN4Yaml4NodeE", !6, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTSN4Yaml7NodeImpE", !13, i64 0, !6, i64 8}
!13 = !{!"_ZTSN4Yaml4Node5eTypeE", !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"vtable pointer", !8, 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.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@.str.29 = external hidden unnamed_addr constant [1 x i8], align 1

; 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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4Yaml4NodeaSEPKc(ptr noundef nonnull readonly returned align 8 dereferenceable(8) %0, ptr noundef %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::allocator", align 1
  %6 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void @_ZN4Yaml7NodeImp10InitScalarEv(ptr noundef nonnull align 8 dereferenceable(16) %6)
  %7 = load ptr, ptr %0, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #3
  %.not.not = icmp eq ptr %1, null
  br i1 %.not.not, label %11, label %10

10:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull %1, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %12 unwind label %.critedge30.thread

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str.29, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %12 unwind label %.thread43

12:                                               ; preds = %11, %10
  %13 = load ptr, ptr %9, align 8, !tbaa !13
  %14 = getelementptr inbounds i8, ptr %13, i64 24
  %15 = load ptr, ptr %14, align 8
  %16 = invoke noundef zeroext i1 %15(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %17 unwind label %20

17:                                               ; preds = %12
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  br i1 %.not.not, label %.critedge, label %.critedge33

.critedge:                                        ; preds = %17
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  br label %.critedge28

.critedge33:                                      ; preds = %17
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  br label %.critedge28

.critedge28:                                      ; preds = %.critedge, %.critedge33
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  ret ptr %0

.critedge30.thread:                               ; preds = %10
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %.critedge30

.thread43:                                        ; preds = %11
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  br label %.critedge32

20:                                               ; preds = %12
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  br i1 %.not.not, label %22, label %.critedge30

22:                                               ; preds = %20
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  br label %.critedge32

.critedge30:                                      ; preds = %20, %.critedge30.thread
  %.pn.pn42 = phi { ptr, i32 } [ %18, %.critedge30.thread ], [ %21, %20 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  br label %.critedge32

.critedge32:                                      ; preds = %22, %.thread43, %.critedge30
  %.pn.pn41 = phi { ptr, i32 } [ %.pn.pn42, %.critedge30 ], [ %21, %22 ], [ %19, %.thread43 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  resume { ptr, i32 } %.pn.pn41
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4Yaml7NodeImp10InitScalarEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 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 = { 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 #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, !7, i64 0}
!6 = !{!"_ZTSN4Yaml4NodeE", !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 = !{!"_ZTSN4Yaml7NodeImpE", !12, i64 0, !7, i64 8}
!12 = !{!"_ZTSN4Yaml4Node5eTypeE", !8, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !9, i64 0}


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