; LLVM IR from junhyeokahn/PyPnC :: external_source/yaml/src/emitter.ll (ZN4YAML7EmitterC2Ev)

; 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.YAML::Emitter" = type { %"class.std::unique_ptr", %"class.YAML::ostream_wrapper" }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.1" }
%"struct.std::_Head_base.1" = type { ptr }
%"class.YAML::ostream_wrapper" = type <{ %"class.std::vector", ptr, i64, i64, i64, i8, [7 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4YAML7EmitterC2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8
  call void @_ZN4YAML11noncopyableC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5)
  %6 = getelementptr inbounds %"class.YAML::Emitter", ptr %5, i32 0, i32 0
  %7 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 216) #5
          to label %8 unwind label %12

8:                                                ; preds = %1
  invoke void @_ZN4YAML12EmitterStateC1Ev(ptr noundef nonnull align 8 dereferenceable(216) %7)
          to label %9 unwind label %16

9:                                                ; preds = %8
  call void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EEC2IS3_vEEPS1_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef %7) #6
  %10 = getelementptr inbounds %"class.YAML::Emitter", ptr %5, i32 0, i32 1
  invoke void @_ZN4YAML15ostream_wrapperC1Ev(ptr noundef nonnull align 8 dereferenceable(57) %10)
          to label %11 unwind label %20

11:                                               ; preds = %9
  ret void

12:                                               ; preds = %1
  %13 = landingpad { ptr, i32 }
          cleanup
  %14 = extractvalue { ptr, i32 } %13, 0
  store ptr %14, ptr %3, align 8
  %15 = extractvalue { ptr, i32 } %13, 1
  store i32 %15, ptr %4, align 4
  br label %24

16:                                               ; preds = %8
  %17 = landingpad { ptr, i32 }
          cleanup
  %18 = extractvalue { ptr, i32 } %17, 0
  store ptr %18, ptr %3, align 8
  %19 = extractvalue { ptr, i32 } %17, 1
  store i32 %19, ptr %4, align 4
  call void @_ZdlPvm(ptr noundef %7, i64 noundef 216) #7
  br label %24

20:                                               ; preds = %9
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %3, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %4, align 4
  call void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  br label %24

24:                                               ; preds = %20, %16, %12
  call void @_ZN4YAML11noncopyableD2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  br label %25

25:                                               ; preds = %24
  %26 = load ptr, ptr %3, align 8
  %27 = load i32, ptr %4, align 4
  %28 = insertvalue { ptr, i32 } poison, ptr %26, 0
  %29 = insertvalue { ptr, i32 } %28, i32 %27, 1
  resume { ptr, i32 } %29
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4YAML11noncopyableC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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

declare i32 @__gxx_personality_v0(...)

declare void @_ZN4YAML12EmitterStateC1Ev(ptr noundef nonnull align 8 dereferenceable(216)) unnamed_addr #3

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EEC2IS3_vEEPS1_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #1 align 2

declare void @_ZN4YAML15ostream_wrapperC1Ev(ptr noundef nonnull align 8 dereferenceable(57)) unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4YAML11noncopyableD2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 = { 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 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 = { "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 = { 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 #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, !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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4YAML7EmitterC2Ev(ptr noundef nonnull align 8 dereferenceable(72) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN4YAML11noncopyableC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %0)
  %2 = invoke noalias noundef nonnull dereferenceable(216) ptr @_Znwm(i64 noundef 216) #5
          to label %3 unwind label %7

3:                                                ; preds = %1
  invoke void @_ZN4YAML12EmitterStateC1Ev(ptr noundef nonnull align 8 dereferenceable(216) %2)
          to label %4 unwind label %9

4:                                                ; preds = %3
  tail call void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EEC2IS3_vEEPS1_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull %2) #6
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  invoke void @_ZN4YAML15ostream_wrapperC1Ev(ptr noundef nonnull align 8 dereferenceable(57) %5)
          to label %6 unwind label %11

6:                                                ; preds = %4
  ret void

7:                                                ; preds = %1
  %8 = landingpad { ptr, i32 }
          cleanup
  br label %13

9:                                                ; preds = %3
  %10 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %2, i64 noundef 216) #7
  br label %13

11:                                               ; preds = %4
  %12 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #6
  br label %13

13:                                               ; preds = %11, %9, %7
  %.pn = phi { ptr, i32 } [ %12, %11 ], [ %10, %9 ], [ %8, %7 ]
  tail call void @_ZN4YAML11noncopyableD2Ev(ptr noundef nonnull align 1 dereferenceable(1) %0) #6
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4YAML11noncopyableC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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

declare i32 @__gxx_personality_v0(...)

declare void @_ZN4YAML12EmitterStateC1Ev(ptr noundef nonnull align 8 dereferenceable(216)) unnamed_addr #3

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EEC2IS3_vEEPS1_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) unnamed_addr #1 align 2

declare void @_ZN4YAML15ostream_wrapperC1Ev(ptr noundef nonnull align 8 dereferenceable(57)) unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrIN4YAML12EmitterStateESt14default_deleteIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4YAML11noncopyableD2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 = { 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 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 = { "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 = { 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 #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)"}


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