; LLVM IR from tangjz/acm-icpc :: leetcode/extra (bytedance_002-发下午茶)

; 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::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i8, align 1
  %13 = alloca %"class.std::vector", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %22 unwind label %28

22:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %38, %22
  %24 = load i32, ptr %8, align 4, !tbaa !5
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %32, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %45

28:                                               ; preds = %0
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %6, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %157

32:                                               ; preds = %23
  %33 = load i32, ptr %8, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %34) #5
  %36 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %35)
          to label %37 unwind label %41

37:                                               ; preds = %32
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %8, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %8, align 4, !tbaa !5
  br label %23, !llvm.loop !9

41:                                               ; preds = %32
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %6, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %156

45:                                               ; preds = %27
  br label %46

46:                                               ; preds = %55, %45
  %47 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br i1 %47, label %53, label %48

48:                                               ; preds = %46
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = icmp ne i32 %50, 0
  %52 = xor i1 %51, true
  br label %53

53:                                               ; preds = %48, %46
  %54 = phi i1 [ false, %46 ], [ %52, %48 ]
  br i1 %54, label %55, label %56

55:                                               ; preds = %53
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %46, !llvm.loop !11

56:                                               ; preds = %53
  %57 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %58 = trunc i64 %57 to i32
  store i32 %58, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  %59 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %59, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 1000000000, ptr %10, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %145, %56
  %61 = load i32, ptr %9, align 4, !tbaa !5
  %62 = load i32, ptr %10, align 4, !tbaa !5
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %64, label %146

64:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  %65 = load i32, ptr %9, align 4, !tbaa !5
  %66 = load i32, ptr %10, align 4, !tbaa !5
  %67 = add nsw i32 %65, %66
  %68 = ashr i32 %67, 1
  store i32 %68, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #5
  store i8 0, ptr %12, align 1, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #5
  %69 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %70 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %69, ptr %70, align 8
  %71 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %71, ptr %72, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %74 = load ptr, ptr %73, align 8
  %75 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %76 = load ptr, ptr %75, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2IN9__gnu_cxx17__normal_iteratorIPiS1_EEvEET_S7_RKS0_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr %74, ptr %76, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %77 unwind label %88

77:                                               ; preds = %64
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %78

78:                                               ; preds = %132, %77
  %79 = load i32, ptr %17, align 4, !tbaa !5
  %80 = load i32, ptr %3, align 4, !tbaa !5
  %81 = icmp slt i32 %79, %80
  br i1 %81, label %82, label %85

82:                                               ; preds = %78
  %83 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %84 = xor i1 %83, true
  br label %85

85:                                               ; preds = %82, %78
  %86 = phi i1 [ false, %78 ], [ %84, %82 ]
  br i1 %86, label %92, label %87

87:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %135

88:                                               ; preds = %64
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %6, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %155

92:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  %93 = load i32, ptr %11, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %96 = sub i64 %94, %95
  %97 = trunc i64 %96 to i32
  store i32 %97, ptr %18, align 4, !tbaa !5
  br label %98

98:                                               ; preds = %121, %92
  %99 = load i32, ptr %18, align 4, !tbaa !5
  %100 = icmp sgt i32 %99, 0
  br i1 %100, label %101, label %104

101:                                              ; preds = %98
  %102 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %103 = xor i1 %102, true
  br label %104

104:                                              ; preds = %101, %98
  %105 = phi i1 [ false, %98 ], [ %103, %101 ]
  br i1 %105, label %106, label %122

106:                                              ; preds = %104
  %107 = load i32, ptr %18, align 4, !tbaa !5
  %108 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %109 = load i32, ptr %108, align 4, !tbaa !5
  %110 = icmp slt i32 %107, %109
  br i1 %110, label %111, label %116

111:                                              ; preds = %106
  %112 = load i32, ptr %18, align 4, !tbaa !5
  %113 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %114 = load i32, ptr %113, align 4, !tbaa !5
  %115 = sub nsw i32 %114, %112
  store i32 %115, ptr %113, align 4, !tbaa !5
  br label %122

116:                                              ; preds = %106
  %117 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %118 = load i32, ptr %117, align 4, !tbaa !5
  %119 = load i32, ptr %18, align 4, !tbaa !5
  %120 = sub nsw i32 %119, %118
  store i32 %120, ptr %18, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  br label %121

121:                                              ; preds = %116
  br label %98, !llvm.loop !14

122:                                              ; preds = %111, %104
  %123 = load i32, ptr %18, align 4, !tbaa !5
  %124 = icmp slt i32 %123, 0
  %125 = zext i1 %124 to i32
  %126 = load i8, ptr %12, align 1, !tbaa !12, !range !15, !noundef !16
  %127 = trunc i8 %126 to i1
  %128 = zext i1 %127 to i32
  %129 = or i32 %128, %125
  %130 = icmp ne i32 %129, 0
  %131 = zext i1 %130 to i8
  store i8 %131, ptr %12, align 1, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %132

132:                                              ; preds = %122
  %133 = load i32, ptr %17, align 4, !tbaa !5
  %134 = add nsw i32 %133, 1
  store i32 %134, ptr %17, align 4, !tbaa !5
  br label %78, !llvm.loop !17

135:                                              ; preds = %87
  %136 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  br i1 %136, label %137, label %142

137:                                              ; preds = %135
  %138 = load i8, ptr %12, align 1, !tbaa !12, !range !15, !noundef !16
  %139 = trunc i8 %138 to i1
  br i1 %139, label %142, label %140

140:                                              ; preds = %137
  %141 = load i32, ptr %11, align 4, !tbaa !5
  store i32 %141, ptr %10, align 4, !tbaa !5
  br label %145

142:                                              ; preds = %137, %135
  %143 = load i32, ptr %11, align 4, !tbaa !5
  %144 = add nsw i32 %143, 1
  store i32 %144, ptr %9, align 4, !tbaa !5
  br label %145

145:                                              ; preds = %142, %140
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %60, !llvm.loop !18

146:                                              ; preds = %60
  %147 = load i32, ptr %9, align 4, !tbaa !5
  %148 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %147)
          to label %149 unwind label %151

149:                                              ; preds = %146
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %150 = load i32, ptr %1, align 4
  ret i32 %150

151:                                              ; preds = %146
  %152 = landingpad { ptr, i32 }
          cleanup
  %153 = extractvalue { ptr, i32 } %152, 0
  store ptr %153, ptr %6, align 8
  %154 = extractvalue { ptr, i32 } %152, 1
  store i32 %154, ptr %7, align 4
  br label %155

155:                                              ; preds = %151, %88
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %156

156:                                              ; preds = %155, %41
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %157

157:                                              ; preds = %156, %28
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %158

158:                                              ; preds = %157
  %159 = load ptr, ptr %6, align 8
  %160 = load i32, ptr %7, align 4
  %161 = insertvalue { ptr, i32 } poison, ptr %159, 0
  %162 = insertvalue { ptr, i32 } %161, i32 %160, 1
  resume { ptr, i32 } %162
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2IN9__gnu_cxx17__normal_iteratorIPiS1_EEvEET_S7_RKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 = { 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 = { 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}
!12 = !{!13, !13, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !10}
!18 = distinct !{!18, !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::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 }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %9, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %10 unwind label %14

10:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %10
  %13 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br i1 %13, label %.critedge, label %.lr.ph41

14:                                               ; preds = %0
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  br label %65

.lr.ph:                                           ; preds = %10, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %10 ]
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %16)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %18 = load i32, ptr %1, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = icmp slt i64 %indvars.iv.next, %19
  br i1 %20, label %.lr.ph, label %.preheader, !llvm.loop !9

.lr.ph41:                                         ; preds = %.preheader, %23
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %.not = icmp eq i32 %22, 0
  br i1 %.not, label %23, label %.critedge

23:                                               ; preds = %.lr.ph41
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %24 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br i1 %24, label %.critedge, label %.lr.ph41, !llvm.loop !11

.critedge:                                        ; preds = %.lr.ph41, %23, %.preheader
  %25 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %26 = trunc i64 %25 to i32
  store i32 %26, ptr %1, align 4, !tbaa !5
  %27 = icmp slt i32 %26, 1000000000
  br i1 %27, label %.lr.ph55, label %._crit_edge

.lr.ph55:                                         ; preds = %.critedge, %.critedge2
  %.03154 = phi i32 [ %.1, %.critedge2 ], [ 1000000000, %.critedge ]
  %.03253 = phi i32 [ %.133, %.critedge2 ], [ %26, %.critedge ]
  %28 = add nsw i32 %.03154, %.03253
  %29 = ashr i32 %28, 1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  %30 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %31 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2IN9__gnu_cxx17__normal_iteratorIPiS1_EEvEET_S7_RKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr %30, ptr %31, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %32 unwind label %39

32:                                               ; preds = %.lr.ph55
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = icmp sgt i32 %33, 0
  br i1 %34, label %.lr.ph49, label %.critedge2

.lr.ph49:                                         ; preds = %32, %.critedge4
  %.02748 = phi i32 [ %61, %.critedge4 ], [ 0, %32 ]
  %.02947 = phi i1 [ %60, %.critedge4 ], [ false, %32 ]
  %35 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br i1 %35, label %.critedge2, label %41

.critedge2:                                       ; preds = %.lr.ph49, %.critedge4, %32
  %.029.lcssa = phi i1 [ false, %32 ], [ %60, %.critedge4 ], [ %.02947, %.lr.ph49 ]
  %36 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %.not36 = xor i1 %36, true
  %brmerge = select i1 %.not36, i1 true, i1 %.029.lcssa
  %37 = add nsw i32 %29, 1
  %.133 = select i1 %brmerge, i32 %37, i32 %.03253
  %.1 = select i1 %brmerge, i32 %.03154, i32 %29
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  %38 = icmp slt i32 %.133, %.1
  br i1 %38, label %.lr.ph55, label %._crit_edge, !llvm.loop !12

39:                                               ; preds = %.lr.ph55
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %65

41:                                               ; preds = %.lr.ph49
  %42 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %43 = trunc i64 %42 to i32
  %44 = sub i32 %29, %43
  %45 = icmp sgt i32 %44, 0
  br i1 %45, label %.lr.ph44, label %.critedge4

.lr.ph44:                                         ; preds = %41, %55
  %.043 = phi i32 [ %56, %55 ], [ %44, %41 ]
  %46 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br i1 %46, label %.critedge4, label %47

47:                                               ; preds = %.lr.ph44
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = icmp slt i32 %.043, %49
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %52 = load i32, ptr %51, align 4, !tbaa !5
  br i1 %50, label %53, label %55

53:                                               ; preds = %47
  %54 = sub nsw i32 %52, %.043
  store i32 %54, ptr %51, align 4, !tbaa !5
  br label %.critedge4

55:                                               ; preds = %47
  %56 = sub nsw i32 %.043, %52
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %57 = icmp sgt i32 %56, 0
  br i1 %57, label %.lr.ph44, label %.critedge4, !llvm.loop !13

.critedge4:                                       ; preds = %.lr.ph44, %55, %41, %53
  %.038 = phi i32 [ %.043, %53 ], [ %44, %41 ], [ %.043, %.lr.ph44 ], [ %56, %55 ]
  %.0.lobit = lshr i32 %.038, 31
  %58 = zext i1 %.02947 to i32
  %59 = or i32 %.0.lobit, %58
  %60 = icmp ne i32 %59, 0
  %61 = add nuw nsw i32 %.02748, 1
  %62 = load i32, ptr %2, align 4, !tbaa !5
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %.lr.ph49, label %.critedge2, !llvm.loop !14

._crit_edge:                                      ; preds = %.critedge2, %.critedge
  %.032.lcssa = phi i32 [ %26, %.critedge ], [ %.133, %.critedge2 ]
  %64 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.032.lcssa)
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0

65:                                               ; preds = %39, %14
  %.pn = phi { ptr, i32 } [ %40, %39 ], [ %15, %14 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  resume { ptr, i32 } %.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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2IN9__gnu_cxx17__normal_iteratorIPiS1_EEvEET_S7_RKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { 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 = { 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}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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