; LLVM IR from Mohammed-Shoaib/Coding-Problems :: CodeChef/Beginner/B0075.ll (Z6sticksSt6vectorIiSaIiEE)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"struct.std::pair" = type <{ %"struct.std::__detail::_Node_iterator", i8, [7 x i8] }>
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z6sticksSt6vectorIiSaIiEE(ptr noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::unordered_set", align 8
  %6 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %11 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %12 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %13 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::reverse_iterator", align 8
  %17 = alloca %"class.std::reverse_iterator", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.start.p0(i64 56, ptr %5) #6
  call void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  invoke void @_ZNSt8__detail14_Node_iteratorIiLb1ELb0EEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %18 unwind label %25

18:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %72, %18
  %20 = load i32, ptr %9, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  %23 = icmp ult i64 %21, %22
  br i1 %23, label %29, label %24

24:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %76

25:                                               ; preds = %80, %1
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %7, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %8, align 4
  br label %89

29:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %30 = load i32, ptr %9, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %31) #6
  %33 = invoke ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 4 dereferenceable(4) %32)
          to label %34 unwind label %53

34:                                               ; preds = %29
  %35 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %10, i32 0, i32 0
  %36 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %35, i32 0, i32 0
  store ptr %33, ptr %36, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %6, ptr align 8 %10, i64 8, i1 false)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %37 = call ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  %38 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %11, i32 0, i32 0
  %39 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %38, i32 0, i32 0
  store ptr %37, ptr %39, align 8
  %40 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIiLb0EEES3_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br i1 %40, label %41, label %61

41:                                               ; preds = %34
  %42 = load i32, ptr %9, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %43) #6
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %44)
          to label %45 unwind label %57

45:                                               ; preds = %41
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %12, ptr align 8 %6, i64 8, i1 false)
  %46 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %12, i32 0, i32 0
  %47 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %46, i32 0, i32 0
  %48 = load ptr, ptr %47, align 8
  %49 = invoke ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE5eraseENSt8__detail14_Node_iteratorIiLb1ELb0EEE(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr %48)
          to label %50 unwind label %57

50:                                               ; preds = %45
  %51 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %13, i32 0, i32 0
  %52 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %51, i32 0, i32 0
  store ptr %49, ptr %52, align 8
  br label %71

53:                                               ; preds = %29
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %7, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %75

57:                                               ; preds = %61, %45, %41
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %7, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %8, align 4
  br label %75

61:                                               ; preds = %34
  %62 = load i32, ptr %9, align 4, !tbaa !9
  %63 = sext i32 %62 to i64
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %63) #6
  %65 = invoke { ptr, i8 } @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 4 dereferenceable(4) %64)
          to label %66 unwind label %57

66:                                               ; preds = %61
  %67 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 0
  %68 = extractvalue { ptr, i8 } %65, 0
  store ptr %68, ptr %67, align 8
  %69 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 1
  %70 = extractvalue { ptr, i8 } %65, 1
  store i8 %70, ptr %69, align 8
  br label %71

71:                                               ; preds = %66, %50
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %9, align 4, !tbaa !9
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %9, align 4, !tbaa !9
  br label %19, !llvm.loop !11

75:                                               ; preds = %57, %53
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %89

76:                                               ; preds = %24
  %77 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %78 = icmp ult i64 %77, 2
  br i1 %78, label %79, label %80

79:                                               ; preds = %76
  store i32 -1, ptr %2, align 4
  store i32 1, ptr %15, align 4
  br label %87

80:                                               ; preds = %76
  call void @_ZNSt6vectorIiSaIiEE6rbeginEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %16, ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @_ZNSt6vectorIiSaIiEE4rendEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %17, ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEEvT_S9_(ptr noundef %16, ptr noundef %17)
          to label %81 unwind label %25

81:                                               ; preds = %80
  %82 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #6
  %83 = load i32, ptr %82, align 4, !tbaa !9
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 1) #6
  %85 = load i32, ptr %84, align 4, !tbaa !9
  %86 = mul nsw i32 %83, %85
  store i32 %86, ptr %2, align 4
  store i32 1, ptr %15, align 4
  br label %87

87:                                               ; preds = %81, %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  %88 = load i32, ptr %2, align 4
  ret i32 %88

89:                                               ; preds = %75, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  br label %90

90:                                               ; preds = %89
  %91 = load ptr, ptr %7, align 8
  %92 = load i32, ptr %8, align 4
  %93 = insertvalue { ptr, i32 } poison, ptr %91, 0
  %94 = insertvalue { ptr, i32 } %93, i32 %92, 1
  resume { ptr, i32 } %94
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt8__detail14_Node_iteratorIiLb1ELb0EEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIiLb0EEES3_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE5eraseENSt8__detail14_Node_iteratorIiLb1ELb0EEE(ptr noundef nonnull align 8 dereferenceable(56), ptr) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEEvT_S9_(ptr noundef, ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint 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 #5 = { inlinehint 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 #6 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z6sticksSt6vectorIiSaIiEE(ptr noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::unordered_set", align 8
  %4 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %5 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %6 = alloca %"class.std::reverse_iterator", align 8
  %7 = alloca %"class.std::reverse_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #5
  call void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  invoke void @_ZNSt8__detail14_Node_iteratorIiLb1ELb0EEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %.preheader unwind label %11

.preheader:                                       ; preds = %1
  %8 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %.not = icmp eq i64 %8, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %28, %.preheader
  %9 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %10 = icmp ult i64 %9, 2
  br i1 %10, label %38, label %31

11:                                               ; preds = %31, %1
  %12 = landingpad { ptr, i32 }
          cleanup
  br label %39

.lr.ph:                                           ; preds = %.preheader, %28
  %indvars.iv = phi i64 [ %indvars.iv.next, %28 ], [ 0, %.preheader ]
  %13 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #5
  %14 = invoke ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %15 unwind label %22

15:                                               ; preds = %.lr.ph
  store ptr %14, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %16 = call ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  store ptr %16, ptr %5, align 8
  %17 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIiLb0EEES3_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #5
  br i1 %17, label %19, label %26

19:                                               ; preds = %15
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %20 unwind label %24

20:                                               ; preds = %19
  %.sroa.02.0.copyload = load ptr, ptr %4, align 8
  %21 = invoke ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE5eraseENSt8__detail14_Node_iteratorIiLb1ELb0EEE(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr %.sroa.02.0.copyload)
          to label %28 unwind label %24

22:                                               ; preds = %.lr.ph
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %39

24:                                               ; preds = %26, %20, %19
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %39

26:                                               ; preds = %15
  %27 = invoke { ptr, i8 } @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %28 unwind label %24

28:                                               ; preds = %26, %20
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %30 = icmp ugt i64 %29, %indvars.iv.next
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !5

31:                                               ; preds = %._crit_edge
  call void @_ZNSt6vectorIiSaIiEE6rbeginEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @_ZNSt6vectorIiSaIiEE4rendEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEEvT_S9_(ptr noundef nonnull %6, ptr noundef nonnull %7)
          to label %32 unwind label %11

32:                                               ; preds = %31
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #5
  %34 = load i32, ptr %33, align 4, !tbaa !7
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 1) #5
  %36 = load i32, ptr %35, align 4, !tbaa !7
  %37 = mul nsw i32 %36, %34
  br label %38

38:                                               ; preds = %._crit_edge, %32
  %.0 = phi i32 [ %37, %32 ], [ -1, %._crit_edge ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  ret i32 %.0

39:                                               ; preds = %22, %24, %11
  %.pn.pn = phi { ptr, i32 } [ %12, %11 ], [ %25, %24 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn.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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt8__detail14_Node_iteratorIiLb1ELb0EEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE4findERKi(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIiLb0EEES3_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE5eraseENSt8__detail14_Node_iteratorIiLb1ELb0EEE(ptr noundef nonnull align 8 dereferenceable(56), ptr) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEEvT_S9_(ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setIiSt4hashIiESt8equal_toIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { inlinehint 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 #4 = { inlinehint 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 }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}


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