; LLVM IR from junhyeokahn/PyPnC :: external_source/yaml/src/parser.ll (ZN4YAML6Parser4LoadERSi)

; 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::Parser" = type { %"class.std::unique_ptr", %"class.std::unique_ptr.2" }
%"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.std::unique_ptr.2" = type { %"struct.std::__uniq_ptr_data.3" }
%"struct.std::__uniq_ptr_data.3" = type { %"class.std::__uniq_ptr_impl.4" }
%"class.std::__uniq_ptr_impl.4" = type { %"class.std::tuple.5" }
%"class.std::tuple.5" = type { %"struct.std::_Tuple_impl.6" }
%"struct.std::_Tuple_impl.6" = type { %"struct.std::_Head_base.9" }
%"struct.std::_Head_base.9" = type { ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4YAML6Parser4LoadERSi(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  %8 = getelementptr inbounds %"class.YAML::Parser", ptr %7, i32 0, i32 0
  %9 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 480) #5
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  invoke void @_ZN4YAML7ScannerC1ERSi(ptr noundef nonnull align 8 dereferenceable(480) %9, ptr noundef nonnull align 8 dereferenceable(16) %10)
          to label %11 unwind label %15

11:                                               ; preds = %2
  call void @_ZNSt10unique_ptrIN4YAML7ScannerESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef %9) #6
  %12 = getelementptr inbounds %"class.YAML::Parser", ptr %7, i32 0, i32 1
  %13 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 64) #5
  invoke void @_ZN4YAML10DirectivesC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %13)
          to label %14 unwind label %19

14:                                               ; preds = %11
  call void @_ZNSt10unique_ptrIN4YAML10DirectivesESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef %13) #6
  ret void

15:                                               ; preds = %2
  %16 = landingpad { ptr, i32 }
          cleanup
  %17 = extractvalue { ptr, i32 } %16, 0
  store ptr %17, ptr %5, align 8
  %18 = extractvalue { ptr, i32 } %16, 1
  store i32 %18, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 480) #7
  br label %23

19:                                               ; preds = %11
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %5, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %13, i64 noundef 64) #7
  br label %23

23:                                               ; preds = %19, %15
  %24 = load ptr, ptr %5, align 8
  %25 = load i32, ptr %6, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrIN4YAML7ScannerESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 align 2

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

declare void @_ZN4YAML7ScannerC1ERSi(ptr noundef nonnull align 8 dereferenceable(480), ptr noundef nonnull align 8 dereferenceable(16)) 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_ptrIN4YAML10DirectivesESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 align 2

declare void @_ZN4YAML10DirectivesC1Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #3

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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4YAML6Parser4LoadERSi(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %3 = tail call noalias noundef nonnull dereferenceable(480) ptr @_Znwm(i64 noundef 480) #5
  invoke void @_ZN4YAML7ScannerC1ERSi(ptr noundef nonnull align 8 dereferenceable(480) %3, ptr noundef nonnull align 8 dereferenceable(16) %1)
          to label %4 unwind label %8

4:                                                ; preds = %2
  tail call void @_ZNSt10unique_ptrIN4YAML7ScannerESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull %3) #6
  %5 = tail call noalias noundef nonnull dereferenceable(64) ptr @_Znwm(i64 noundef 64) #5
  invoke void @_ZN4YAML10DirectivesC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %5)
          to label %6 unwind label %10

6:                                                ; preds = %4
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @_ZNSt10unique_ptrIN4YAML10DirectivesESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull %5) #6
  ret void

8:                                                ; preds = %2
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 480) #7
  br label %12

10:                                               ; preds = %4
  %11 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %5, i64 noundef 64) #7
  br label %12

12:                                               ; preds = %10, %8
  %.pn = phi { ptr, i32 } [ %11, %10 ], [ %9, %8 ]
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10unique_ptrIN4YAML7ScannerESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1 align 2

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

declare void @_ZN4YAML7ScannerC1ERSi(ptr noundef nonnull align 8 dereferenceable(480), ptr noundef nonnull align 8 dereferenceable(16)) 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_ptrIN4YAML10DirectivesESt14default_deleteIS1_EE5resetEPS1_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1 align 2

declare void @_ZN4YAML10DirectivesC1Ev(ptr noundef nonnull align 8 dereferenceable(64)) unnamed_addr #3

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,TailCallElimPass