; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 17. Graph (BridgesInGraph)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"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::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiiRSt6vectorIiSaIiEES2_S2_RiPS1_(i32 noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef) #0

; 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) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca %"class.std::vector", align 8
  %18 = alloca i32, align 4
  %19 = alloca %"class.std::allocator", align 1
  %20 = alloca i32, align 4
  %21 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = zext i32 %24 to i64
  %26 = call ptr @llvm.stacksave.p0()
  store ptr %26, ptr %4, align 8
  %27 = alloca %"class.std::vector", i64 %25, align 16
  store i64 %25, ptr %5, align 8
  %28 = icmp eq i64 %25, 0
  br i1 %28, label %35, label %29

29:                                               ; preds = %0
  %30 = getelementptr inbounds %"class.std::vector", ptr %27, i64 %25
  br label %31

31:                                               ; preds = %31, %29
  %32 = phi ptr [ %27, %29 ], [ %33, %31 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %32) #6
  %33 = getelementptr inbounds %"class.std::vector", ptr %32, i64 1
  %34 = icmp eq ptr %33, %30
  br i1 %34, label %35, label %31

35:                                               ; preds = %31, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %36

36:                                               ; preds = %54, %35
  %37 = load i32, ptr %6, align 4, !tbaa !5
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %41, label %40

40:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %61

41:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %43 unwind label %57

43:                                               ; preds = %41
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %45 unwind label %57

45:                                               ; preds = %43
  %46 = load i32, ptr %7, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds %"class.std::vector", ptr %27, i64 %47
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %48, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %49 unwind label %57

49:                                               ; preds = %45
  %50 = load i32, ptr %8, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds %"class.std::vector", ptr %27, i64 %51
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %52, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %53 unwind label %57

53:                                               ; preds = %49
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %54

54:                                               ; preds = %53
  %55 = load i32, ptr %6, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %6, align 4, !tbaa !5
  br label %36, !llvm.loop !9

57:                                               ; preds = %49, %45, %43, %41
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %9, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %118

61:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #6
  %62 = load i32, ptr %2, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 -1, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %63, ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %64 unwind label %76

64:                                               ; preds = %61
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #6
  %65 = load i32, ptr %2, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 -1, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %66, ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %67 unwind label %80

67:                                               ; preds = %64
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #6
  %68 = load i32, ptr %2, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  store i32 0, ptr %18, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %19) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %69, ptr noundef nonnull align 4 dereferenceable(4) %18, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %70 unwind label %84

70:                                               ; preds = %67
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #6
  store i32 0, ptr %20, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #6
  store i32 0, ptr %21, align 4, !tbaa !5
  br label %71

71:                                               ; preds = %102, %70
  %72 = load i32, ptr %21, align 4, !tbaa !5
  %73 = load i32, ptr %2, align 4, !tbaa !5
  %74 = icmp slt i32 %72, %73
  br i1 %74, label %88, label %75

75:                                               ; preds = %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #6
  br label %105

76:                                               ; preds = %61
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %9, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %110

80:                                               ; preds = %64
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %9, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %109

84:                                               ; preds = %67
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %9, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %108

88:                                               ; preds = %71
  %89 = load i32, ptr %21, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %90) #6
  %92 = load i32, ptr %91, align 4, !tbaa !5
  %93 = icmp ne i32 %92, 0
  br i1 %93, label %101, label %94

94:                                               ; preds = %88
  %95 = load i32, ptr %21, align 4, !tbaa !5
  invoke void @_Z3dfsiiRSt6vectorIiSaIiEES2_S2_RiPS1_(i32 noundef %95, i32 noundef -1, ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef %27)
          to label %96 unwind label %97

96:                                               ; preds = %94
  br label %101

97:                                               ; preds = %94
  %98 = landingpad { ptr, i32 }
          cleanup
  %99 = extractvalue { ptr, i32 } %98, 0
  store ptr %99, ptr %9, align 8
  %100 = extractvalue { ptr, i32 } %98, 1
  store i32 %100, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #6
  br label %108

101:                                              ; preds = %96, %88
  br label %102

102:                                              ; preds = %101
  %103 = load i32, ptr %21, align 4, !tbaa !5
  %104 = add nsw i32 %103, 1
  store i32 %104, ptr %21, align 4, !tbaa !5
  br label %71, !llvm.loop !11

105:                                              ; preds = %75
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  %106 = getelementptr inbounds %"class.std::vector", ptr %27, i64 %25
  %107 = icmp eq ptr %27, %106
  br i1 %107, label %115, label %111

108:                                              ; preds = %97, %84
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  br label %109

109:                                              ; preds = %108, %80
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  br label %110

110:                                              ; preds = %109, %76
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  br label %118

111:                                              ; preds = %111, %105
  %112 = phi ptr [ %106, %105 ], [ %113, %111 ]
  %113 = getelementptr inbounds %"class.std::vector", ptr %112, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %113) #6
  %114 = icmp eq ptr %113, %27
  br i1 %114, label %115, label %111

115:                                              ; preds = %111, %105
  %116 = load ptr, ptr %4, align 8
  call void @llvm.stackrestore.p0(ptr %116)
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %117 = load i32, ptr %1, align 4
  ret i32 %117

118:                                              ; preds = %110, %57
  %119 = getelementptr inbounds %"class.std::vector", ptr %27, i64 %25
  %120 = icmp eq ptr %27, %119
  br i1 %120, label %125, label %121

121:                                              ; preds = %121, %118
  %122 = phi ptr [ %119, %118 ], [ %123, %121 ]
  %123 = getelementptr inbounds %"class.std::vector", ptr %122, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %123) #6
  %124 = icmp eq ptr %123, %27
  br i1 %124, label %125, label %121

125:                                              ; preds = %121, %118
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %126

126:                                              ; preds = %125
  %127 = load ptr, ptr %9, align 8
  %128 = load i32, ptr %10, align 4
  %129 = insertvalue { ptr, i32 } poison, ptr %127, 0
  %130 = insertvalue { ptr, i32 } %129, i32 %128, 1
  resume { ptr, i32 } %130
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse 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 = { "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 = { nocallback nofree nosync nounwind willreturn }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"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::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsiiRSt6vectorIiSaIiEES2_S2_RiPS1_(i32 noundef, i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef) local_unnamed_addr #0

; 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 #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = zext i32 %17 to i64
  %19 = call ptr @llvm.stacksave.p0()
  %20 = alloca %"class.std::vector", i64 %18, align 16
  %21 = icmp eq i32 %17, 0
  br i1 %21, label %.loopexit25, label %22

22:                                               ; preds = %0
  %23 = getelementptr inbounds %"class.std::vector", ptr %20, i64 %18
  br label %24

24:                                               ; preds = %24, %22
  %25 = phi ptr [ %20, %22 ], [ %26, %24 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %25) #6
  %26 = getelementptr inbounds i8, ptr %25, i64 24
  %27 = icmp eq ptr %26, %23
  br i1 %27, label %.loopexit25, label %24

.loopexit25:                                      ; preds = %24, %0
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = icmp sgt i32 %28, 0
  br i1 %29, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %43, %.loopexit25
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  %30 = load i32, ptr %1, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  store i32 -1, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %31, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %49 unwind label %59

.lr.ph:                                           ; preds = %.loopexit25, %43
  %.01426 = phi i32 [ %44, %43 ], [ 0, %.loopexit25 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %33 unwind label %47

33:                                               ; preds = %.lr.ph
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %35 unwind label %47

35:                                               ; preds = %33
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds %"class.std::vector", ptr %20, i64 %37
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %38, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %39 unwind label %47

39:                                               ; preds = %35
  %40 = load i32, ptr %4, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds %"class.std::vector", ptr %20, i64 %41
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %42, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %43 unwind label %47

43:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  %44 = add nuw nsw i32 %.01426, 1
  %45 = load i32, ptr %2, align 4, !tbaa !5
  %46 = icmp slt i32 %44, %45
  br i1 %46, label %.lr.ph, label %._crit_edge, !llvm.loop !9

47:                                               ; preds = %39, %35, %33, %.lr.ph
  %48 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  br label %81

49:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #6
  %50 = load i32, ptr %1, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  store i32 -1, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %51, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %52 unwind label %61

52:                                               ; preds = %49
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %11) #6
  %53 = load i32, ptr %1, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %13) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %54, ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %55 unwind label %63

55:                                               ; preds = %52
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #6
  store i32 0, ptr %14, align 4, !tbaa !5
  %56 = load i32, ptr %1, align 4, !tbaa !5
  %57 = icmp sgt i32 %56, 0
  br i1 %57, label %.lr.ph29, label %._crit_edge30

._crit_edge30:                                    ; preds = %71, %55
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  br i1 %21, label %.loopexit24, label %.preheader23.preheader

.preheader23.preheader:                           ; preds = %._crit_edge30
  %58 = getelementptr inbounds %"class.std::vector", ptr %20, i64 %18
  br label %.preheader23

59:                                               ; preds = %._crit_edge
  %60 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  br label %77

61:                                               ; preds = %49
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  br label %76

63:                                               ; preds = %52
  %64 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #6
  br label %75

.lr.ph29:                                         ; preds = %55, %71
  %indvars.iv = phi i64 [ %indvars.iv.next, %71 ], [ 0, %55 ]
  %65 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %indvars.iv) #6
  %66 = load i32, ptr %65, align 4, !tbaa !5
  %.not = icmp eq i32 %66, 0
  br i1 %.not, label %67, label %71

67:                                               ; preds = %.lr.ph29
  %68 = trunc nuw nsw i64 %indvars.iv to i32
  invoke void @_Z3dfsiiRSt6vectorIiSaIiEES2_S2_RiPS1_(i32 noundef %68, i32 noundef -1, ptr noundef nonnull align 8 dereferenceable(24) %11, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull %20)
          to label %71 unwind label %69

69:                                               ; preds = %67
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  br label %75

71:                                               ; preds = %.lr.ph29, %67
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %72 = load i32, ptr %1, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = icmp slt i64 %indvars.iv.next, %73
  br i1 %74, label %.lr.ph29, label %._crit_edge30, !llvm.loop !11

75:                                               ; preds = %69, %63
  %.pn = phi { ptr, i32 } [ %70, %69 ], [ %64, %63 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  br label %76

76:                                               ; preds = %75, %61
  %.pn.pn = phi { ptr, i32 } [ %.pn, %75 ], [ %62, %61 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %77

77:                                               ; preds = %76, %59
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %76 ], [ %60, %59 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  br label %81

.preheader23:                                     ; preds = %.preheader23.preheader, %.preheader23
  %78 = phi ptr [ %79, %.preheader23 ], [ %58, %.preheader23.preheader ]
  %79 = getelementptr inbounds i8, ptr %78, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %79) #6
  %80 = icmp eq ptr %79, %20
  br i1 %80, label %.loopexit24, label %.preheader23

.loopexit24:                                      ; preds = %.preheader23, %._crit_edge30
  call void @llvm.stackrestore.p0(ptr %19)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

81:                                               ; preds = %77, %47
  %.pn21 = phi { ptr, i32 } [ %48, %47 ], [ %.pn.pn.pn, %77 ]
  br i1 %21, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %81
  %82 = getelementptr inbounds %"class.std::vector", ptr %20, i64 %18
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %83 = phi ptr [ %84, %.preheader ], [ %82, %.preheader.preheader ]
  %84 = getelementptr inbounds i8, ptr %83, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %84) #6
  %85 = icmp eq ptr %84, %20
  br i1 %85, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %81
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn21
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress norecurse 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 = { "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 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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