; LLVM IR from amritansh22/Data-Structures-and-Algorithms-in-cpp :: Two_Sum.ll (Z7Two_SumRSt6vectorIiSaIiEEi)

; 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_map" = 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::initializer_list" = type { ptr, i64 }
%"class.std::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7Two_SumRSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::unordered_map", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %15 = alloca %"class.std::initializer_list", align 8
  %16 = alloca [2 x i32], align 4
  %17 = alloca i32, align 4
  %18 = alloca %"class.std::allocator", align 1
  %19 = alloca %"class.std::initializer_list", align 8
  %20 = alloca [2 x i32], align 4
  %21 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 56, ptr %7) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %86, %3
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #4
  %27 = icmp ult i64 %24, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %22
  store i32 2, ptr %9, align 4
  br label %93

29:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %30 = load i32, ptr %6, align 4, !tbaa !9
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = load i32, ptr %8, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %31, i64 noundef %33) #4
  %35 = load i32, ptr %34, align 4, !tbaa !9
  %36 = sub nsw i32 %30, %35
  store i32 %36, ptr %11, align 4, !tbaa !9
  %37 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %38 unwind label %65

38:                                               ; preds = %29
  %39 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %10, i32 0, i32 0
  %40 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %39, i32 0, i32 0
  store ptr %37, ptr %40, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %41 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  %42 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %14, i32 0, i32 0
  %43 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %42, i32 0, i32 0
  store ptr %41, ptr %43, align 8
  %44 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br i1 %44, label %45, label %78

45:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #4
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = load ptr, ptr %5, align 8, !tbaa !5
  %48 = load i32, ptr %8, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %47, i64 noundef %49) #4
  %51 = load i32, ptr %50, align 4, !tbaa !9
  %52 = sub nsw i32 %46, %51
  store i32 %52, ptr %17, align 4, !tbaa !9
  %53 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 4 dereferenceable(4) %17)
          to label %54 unwind label %69

54:                                               ; preds = %45
  %55 = load i32, ptr %53, align 4, !tbaa !9
  store i32 %55, ptr %16, align 4, !tbaa !9
  %56 = getelementptr inbounds i32, ptr %16, i64 1
  %57 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %57, ptr %56, align 4, !tbaa !9
  %58 = getelementptr inbounds %"class.std::initializer_list", ptr %15, i32 0, i32 0
  store ptr %16, ptr %58, align 8, !tbaa !11
  %59 = getelementptr inbounds %"class.std::initializer_list", ptr %15, i32 0, i32 1
  store i64 2, ptr %59, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  %60 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8
  %62 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 1
  %63 = load i64, ptr %62, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr %61, i64 %63, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %64 unwind label %73

64:                                               ; preds = %54
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  store i32 1, ptr %9, align 4
  br label %93

65:                                               ; preds = %29
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %12, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %95

69:                                               ; preds = %45
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %12, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %13, align 4
  br label %77

73:                                               ; preds = %54
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %12, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %13, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #4
  br label %77

77:                                               ; preds = %73, %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  br label %95

78:                                               ; preds = %38
  %79 = load i32, ptr %8, align 4, !tbaa !9
  %80 = load ptr, ptr %5, align 8, !tbaa !5
  %81 = load i32, ptr %8, align 4, !tbaa !9
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %80, i64 noundef %82) #4
  %84 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 4 dereferenceable(4) %83)
          to label %85 unwind label %89

85:                                               ; preds = %78
  store i32 %79, ptr %84, align 4, !tbaa !9
  br label %86

86:                                               ; preds = %85
  %87 = load i32, ptr %8, align 4, !tbaa !9
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %8, align 4, !tbaa !9
  br label %22, !llvm.loop !15

89:                                               ; preds = %78
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %12, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %13, align 4
  br label %95

93:                                               ; preds = %64, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  %94 = load i32, ptr %9, align 4
  switch i32 %94, label %109 [
    i32 2, label %96
  ]

95:                                               ; preds = %89, %77, %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %110

96:                                               ; preds = %93
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  store i32 -1, ptr %20, align 4, !tbaa !9
  %97 = getelementptr inbounds i32, ptr %20, i64 1
  store i32 -1, ptr %97, align 4, !tbaa !9
  %98 = getelementptr inbounds %"class.std::initializer_list", ptr %19, i32 0, i32 0
  store ptr %20, ptr %98, align 8, !tbaa !11
  %99 = getelementptr inbounds %"class.std::initializer_list", ptr %19, i32 0, i32 1
  store i64 2, ptr %99, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 1, ptr %21) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #4
  %100 = getelementptr inbounds { ptr, i64 }, ptr %19, i32 0, i32 0
  %101 = load ptr, ptr %100, align 8
  %102 = getelementptr inbounds { ptr, i64 }, ptr %19, i32 0, i32 1
  %103 = load i64, ptr %102, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr %101, i64 %103, ptr noundef nonnull align 1 dereferenceable(1) %21)
          to label %104 unwind label %105

104:                                              ; preds = %96
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  store i32 1, ptr %9, align 4
  br label %109

105:                                              ; preds = %96
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %12, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %13, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  br label %110

109:                                              ; preds = %104, %93
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %7) #4
  ret void

110:                                              ; preds = %105, %95
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %7) #4
  br label %111

111:                                              ; preds = %110
  %112 = load ptr, ptr %12, align 8
  %113 = load i32, ptr %13, align 4
  %114 = insertvalue { ptr, i32 } poison, ptr %112, 0
  %115 = insertvalue { ptr, i32 } %114, i32 %113, 1
  resume { ptr, i32 } %115
}

; 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 @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(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 void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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 #4 = { 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 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt16initializer_listIiE", !6, i64 0, !13, i64 8}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = distinct !{!15, !16}
!16 = !{!"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_map" = 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::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7Two_SumRSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::unordered_map", align 8
  %5 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %8 = alloca [2 x i32], align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca [2 x i32], align 4
  %12 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %4) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #4
  %13 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %.not33.not = icmp eq i64 %13, 0
  br i1 %.not33.not, label %.critedge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %41
  %indvars.iv = phi i64 [ %indvars.iv.next, %41 ], [ 0, %3 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %14 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = sub nsw i32 %2, %15
  store i32 %16, ptr %6, align 4, !tbaa !5
  %17 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %18 unwind label %31

18:                                               ; preds = %.lr.ph
  store ptr %17, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %19 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %4) #4
  store ptr %19, ptr %7, align 8
  %20 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br i1 %20, label %21, label %38

21:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #4
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = sub nsw i32 %2, %23
  store i32 %24, ptr %9, align 4, !tbaa !5
  %25 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %26 unwind label %33

26:                                               ; preds = %21
  %27 = trunc nuw nsw i64 %indvars.iv to i32
  %28 = load i32, ptr %25, align 4, !tbaa !5
  store i32 %28, ptr %8, align 4, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %8, i64 4
  store i32 %27, ptr %29, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr nonnull %8, i64 2, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %30 unwind label %35

30:                                               ; preds = %26
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  br label %50

31:                                               ; preds = %.lr.ph
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br label %51

33:                                               ; preds = %21
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %37

35:                                               ; preds = %26
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #4
  br label %37

37:                                               ; preds = %35, %33
  %.pn = phi { ptr, i32 } [ %36, %35 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  br label %51

38:                                               ; preds = %18
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %40 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %4, ptr noundef nonnull align 4 dereferenceable(4) %39)
          to label %41 unwind label %44

41:                                               ; preds = %38
  %42 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %42, ptr %40, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %43 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %.not = icmp ugt i64 %43, %indvars.iv.next
  br i1 %.not, label %.lr.ph, label %.critedge, !llvm.loop !9

44:                                               ; preds = %38
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %51

.critedge:                                        ; preds = %41, %3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  store i32 -1, ptr %11, align 4, !tbaa !5
  %46 = getelementptr inbounds i8, ptr %11, i64 4
  store i32 -1, ptr %46, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr nonnull %11, i64 2, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %47 unwind label %48

47:                                               ; preds = %.critedge
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  br label %50

48:                                               ; preds = %.critedge
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  br label %51

50:                                               ; preds = %30, %47
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #4
  ret void

51:                                               ; preds = %31, %37, %44, %48
  %.pn25 = phi { ptr, i32 } [ %49, %48 ], [ %.pn, %37 ], [ %45, %44 ], [ %32, %31 ]
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %4) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %4) #4
  resume { ptr, i32 } %.pn25
}

; 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 @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; 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 nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) 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 uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(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 void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 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 #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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