; LLVM IR from DionysiosB/CodeForces :: 1500-1599 (1579B-ShiftingSort)

; 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<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 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 i64, align 8
  %3 = alloca i64, align 8
  %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 i64, align 8
  %9 = alloca %"class.std::vector.0", align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  %18 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %20

20:                                               ; preds = %162, %0
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = add nsw i64 %21, -1
  store i64 %22, ptr %2, align 8, !tbaa !5
  %23 = icmp ne i64 %21, 0
  br i1 %23, label %24, label %166

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %26 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %26, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %27 unwind label %33

27:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIlED2Ev(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 8, ptr %8) #5
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %28

28:                                               ; preds = %42, %27
  %29 = load i64, ptr %8, align 8, !tbaa !5
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = icmp slt i64 %29, %30
  br i1 %31, label %37, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %49

33:                                               ; preds = %24
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %6, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %165

37:                                               ; preds = %28
  %38 = load i64, ptr %8, align 8, !tbaa !5
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %38) #5
  %40 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %39)
          to label %41 unwind label %45

41:                                               ; preds = %37
  br label %42

42:                                               ; preds = %41
  %43 = load i64, ptr %8, align 8, !tbaa !5
  %44 = add nsw i64 %43, 1
  store i64 %44, ptr %8, align 8, !tbaa !5
  br label %28, !llvm.loop !9

45:                                               ; preds = %37
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %6, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %164

49:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #5
  call void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %50

50:                                               ; preds = %119, %49
  %51 = load i64, ptr %10, align 8, !tbaa !5
  %52 = load i64, ptr %3, align 8, !tbaa !5
  %53 = icmp slt i64 %51, %52
  br i1 %53, label %55, label %54

54:                                               ; preds = %50
  store i32 7, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %122

55:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %56 = load i64, ptr %10, align 8, !tbaa !5
  store i64 %56, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %57 = load i64, ptr %10, align 8, !tbaa !5
  %58 = add nsw i64 %57, 1
  store i64 %58, ptr %13, align 8, !tbaa !5
  br label %59

59:                                               ; preds = %75, %55
  %60 = load i64, ptr %13, align 8, !tbaa !5
  %61 = load i64, ptr %3, align 8, !tbaa !5
  %62 = icmp slt i64 %60, %61
  br i1 %62, label %64, label %63

63:                                               ; preds = %59
  store i32 10, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %78

64:                                               ; preds = %59
  %65 = load i64, ptr %13, align 8, !tbaa !5
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %65) #5
  %67 = load i64, ptr %66, align 8, !tbaa !5
  %68 = load i64, ptr %12, align 8, !tbaa !5
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %68) #5
  %70 = load i64, ptr %69, align 8, !tbaa !5
  %71 = icmp slt i64 %67, %70
  br i1 %71, label %72, label %74

72:                                               ; preds = %64
  %73 = load i64, ptr %13, align 8, !tbaa !5
  store i64 %73, ptr %12, align 8, !tbaa !5
  br label %74

74:                                               ; preds = %72, %64
  br label %75

75:                                               ; preds = %74
  %76 = load i64, ptr %13, align 8, !tbaa !5
  %77 = add nsw i64 %76, 1
  store i64 %77, ptr %13, align 8, !tbaa !5
  br label %59, !llvm.loop !11

78:                                               ; preds = %63
  %79 = load i64, ptr %12, align 8, !tbaa !5
  %80 = load i64, ptr %10, align 8, !tbaa !5
  %81 = icmp eq i64 %79, %80
  br i1 %81, label %82, label %83

82:                                               ; preds = %78
  store i32 9, ptr %11, align 4
  br label %116

83:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %84 = load i64, ptr %10, align 8, !tbaa !5
  %85 = add nsw i64 %84, 1
  store i64 %85, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %86 = load i64, ptr %12, align 8, !tbaa !5
  %87 = add nsw i64 %86, 1
  store i64 %87, ptr %16, align 8, !tbaa !5
  %88 = invoke { i64, i64 } @_ZSt9make_pairIllESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16)
          to label %89 unwind label %101

89:                                               ; preds = %83
  %90 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 0
  %91 = extractvalue { i64, i64 } %88, 0
  store i64 %91, ptr %90, align 8
  %92 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 1
  %93 = extractvalue { i64, i64 } %88, 1
  store i64 %93, ptr %92, align 8
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(16) %14)
          to label %94 unwind label %101

94:                                               ; preds = %89
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %95 = load i64, ptr %12, align 8, !tbaa !5
  store i64 %95, ptr %17, align 8, !tbaa !5
  br label %96

96:                                               ; preds = %112, %94
  %97 = load i64, ptr %17, align 8, !tbaa !5
  %98 = load i64, ptr %10, align 8, !tbaa !5
  %99 = icmp sgt i64 %97, %98
  br i1 %99, label %105, label %100

100:                                              ; preds = %96
  store i32 13, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  br label %115

101:                                              ; preds = %89, %83
  %102 = landingpad { ptr, i32 }
          cleanup
  %103 = extractvalue { ptr, i32 } %102, 0
  store ptr %103, ptr %6, align 8
  %104 = extractvalue { ptr, i32 } %102, 1
  store i32 %104, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %163

105:                                              ; preds = %96
  %106 = load i64, ptr %17, align 8, !tbaa !5
  %107 = sub nsw i64 %106, 1
  %108 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %107) #5
  %109 = load i64, ptr %108, align 8, !tbaa !5
  %110 = load i64, ptr %17, align 8, !tbaa !5
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %110) #5
  store i64 %109, ptr %111, align 8, !tbaa !5
  br label %112

112:                                              ; preds = %105
  %113 = load i64, ptr %17, align 8, !tbaa !5
  %114 = add nsw i64 %113, -1
  store i64 %114, ptr %17, align 8, !tbaa !5
  br label %96, !llvm.loop !12

115:                                              ; preds = %100
  store i32 0, ptr %11, align 4
  br label %116

116:                                              ; preds = %115, %82
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  %117 = load i32, ptr %11, align 4
  switch i32 %117, label %173 [
    i32 0, label %118
    i32 9, label %119
  ]

118:                                              ; preds = %116
  br label %119

119:                                              ; preds = %118, %116
  %120 = load i64, ptr %10, align 8, !tbaa !5
  %121 = add nsw i64 %120, 1
  store i64 %121, ptr %10, align 8, !tbaa !5
  br label %50, !llvm.loop !13

122:                                              ; preds = %54
  %123 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  %124 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %123)
          to label %125 unwind label %131

125:                                              ; preds = %122
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  store i64 0, ptr %18, align 8, !tbaa !5
  br label %126

126:                                              ; preds = %155, %125
  %127 = load i64, ptr %18, align 8, !tbaa !5
  %128 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  %129 = icmp ult i64 %127, %128
  br i1 %129, label %135, label %130

130:                                              ; preds = %126
  store i32 16, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  br label %162

131:                                              ; preds = %122
  %132 = landingpad { ptr, i32 }
          cleanup
  %133 = extractvalue { ptr, i32 } %132, 0
  store ptr %133, ptr %6, align 8
  %134 = extractvalue { ptr, i32 } %132, 1
  store i32 %134, ptr %7, align 4
  br label %163

135:                                              ; preds = %126
  %136 = load i64, ptr %18, align 8, !tbaa !5
  %137 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %136) #5
  %138 = getelementptr inbounds %"struct.std::pair", ptr %137, i32 0, i32 0
  %139 = load i64, ptr %138, align 8, !tbaa !14
  %140 = load i64, ptr %18, align 8, !tbaa !5
  %141 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %140) #5
  %142 = getelementptr inbounds %"struct.std::pair", ptr %141, i32 0, i32 1
  %143 = load i64, ptr %142, align 8, !tbaa !16
  %144 = load i64, ptr %18, align 8, !tbaa !5
  %145 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %144) #5
  %146 = getelementptr inbounds %"struct.std::pair", ptr %145, i32 0, i32 1
  %147 = load i64, ptr %146, align 8, !tbaa !16
  %148 = load i64, ptr %18, align 8, !tbaa !5
  %149 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %148) #5
  %150 = getelementptr inbounds %"struct.std::pair", ptr %149, i32 0, i32 0
  %151 = load i64, ptr %150, align 8, !tbaa !14
  %152 = sub nsw i64 %147, %151
  %153 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %139, i64 noundef %143, i64 noundef %152)
          to label %154 unwind label %158

154:                                              ; preds = %135
  br label %155

155:                                              ; preds = %154
  %156 = load i64, ptr %18, align 8, !tbaa !5
  %157 = add nsw i64 %156, 1
  store i64 %157, ptr %18, align 8, !tbaa !5
  br label %126, !llvm.loop !17

158:                                              ; preds = %135
  %159 = landingpad { ptr, i32 }
          cleanup
  %160 = extractvalue { ptr, i32 } %159, 0
  store ptr %160, ptr %6, align 8
  %161 = extractvalue { ptr, i32 } %159, 1
  store i32 %161, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  br label %163

162:                                              ; preds = %130
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(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 8, ptr %3) #5
  br label %20, !llvm.loop !18

163:                                              ; preds = %158, %131, %101
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  br label %164

164:                                              ; preds = %163, %45
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %165

165:                                              ; preds = %164, %33
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %168

166:                                              ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %167 = load i32, ptr %1, align 4
  ret i32 %167

168:                                              ; preds = %165
  %169 = load ptr, ptr %6, align 8
  %170 = load i32, ptr %7, align 4
  %171 = insertvalue { ptr, i32 } poison, ptr %169, 0
  %172 = insertvalue { ptr, i32 } %171, i32 %170, 1
  resume { ptr, i32 } %172

173:                                              ; preds = %116
  unreachable
}

; 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 @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(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 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIllESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(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 = !{!"long", !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 = !{!15, !6, i64 0}
!15 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!16 = !{!15, !6, i64 8}
!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<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 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 i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr %1, align 8, !tbaa !5
  %.not55 = icmp eq i64 %10, 0
  br i1 %.not55, label %._crit_edge58, label %.lr.ph57

.lr.ph57:                                         ; preds = %0
  %12 = getelementptr inbounds i8, ptr %6, i64 8
  br label %13

13:                                               ; preds = %.lr.ph57, %._crit_edge54
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %15 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %16 unwind label %21

16:                                               ; preds = %13
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = icmp sgt i64 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = icmp sgt i64 %19, 0
  br i1 %20, label %.lr.ph49, label %._crit_edge50

21:                                               ; preds = %13
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  br label %77

.lr.ph:                                           ; preds = %16, %.lr.ph
  %.03438 = phi i64 [ %25, %.lr.ph ], [ 0, %16 ]
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03438) #5
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %23)
  %25 = add nuw nsw i64 %.03438, 1
  %26 = load i64, ptr %2, align 8, !tbaa !5
  %27 = icmp slt i64 %25, %26
  br i1 %27, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge50:                                    ; preds = %.loopexit, %._crit_edge
  %28 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %28)
  %30 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %.not59 = icmp eq i64 %30, 0
  br i1 %.not59, label %._crit_edge54, label %.lr.ph53

.lr.ph49:                                         ; preds = %._crit_edge, %.loopexit
  %31 = phi i64 [ %58, %.loopexit ], [ %19, %._crit_edge ]
  %.03347 = phi i64 [ %32, %.loopexit ], [ 0, %._crit_edge ]
  %32 = add nuw nsw i64 %.03347, 1
  %33 = icmp slt i64 %32, %31
  br i1 %33, label %.lr.ph42, label %.loopexit

._crit_edge43:                                    ; preds = %.lr.ph42
  %34 = icmp eq i64 %spec.select, %.03347
  br i1 %34, label %.loopexit, label %43

.lr.ph42:                                         ; preds = %.lr.ph49, %.lr.ph42
  %.03140 = phi i64 [ %40, %.lr.ph42 ], [ %32, %.lr.ph49 ]
  %.03239 = phi i64 [ %spec.select, %.lr.ph42 ], [ %.03347, %.lr.ph49 ]
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03140) #5
  %36 = load i64, ptr %35, align 8, !tbaa !5
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03239) #5
  %38 = load i64, ptr %37, align 8, !tbaa !5
  %39 = icmp slt i64 %36, %38
  %spec.select = select i1 %39, i64 %.03140, i64 %.03239
  %40 = add nuw nsw i64 %.03140, 1
  %41 = load i64, ptr %2, align 8, !tbaa !5
  %42 = icmp slt i64 %40, %41
  br i1 %42, label %.lr.ph42, label %._crit_edge43, !llvm.loop !11

43:                                               ; preds = %._crit_edge43
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  store i64 %32, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %44 = add nsw i64 %spec.select, 1
  store i64 %44, ptr %8, align 8, !tbaa !5
  %45 = invoke { i64, i64 } @_ZSt9make_pairIllESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %46 unwind label %51

46:                                               ; preds = %43
  %47 = extractvalue { i64, i64 } %45, 0
  store i64 %47, ptr %6, align 8
  %48 = extractvalue { i64, i64 } %45, 1
  store i64 %48, ptr %12, align 8
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %49 unwind label %51

49:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #5
  %50 = icmp sgt i64 %spec.select, %.03347
  br i1 %50, label %.lr.ph46, label %.loopexit

51:                                               ; preds = %46, %43
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #5
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %77

.lr.ph46:                                         ; preds = %49, %.lr.ph46
  %.03044 = phi i64 [ %53, %.lr.ph46 ], [ %spec.select, %49 ]
  %53 = add nsw i64 %.03044, -1
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %53) #5
  %55 = load i64, ptr %54, align 8, !tbaa !5
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03044) #5
  store i64 %55, ptr %56, align 8, !tbaa !5
  %57 = icmp sgt i64 %53, %.03347
  br i1 %57, label %.lr.ph46, label %.loopexit, !llvm.loop !12

.loopexit:                                        ; preds = %.lr.ph46, %.lr.ph49, %49, %._crit_edge43
  %58 = load i64, ptr %2, align 8, !tbaa !5
  %59 = icmp slt i64 %32, %58
  br i1 %59, label %.lr.ph49, label %._crit_edge50, !llvm.loop !13

._crit_edge54:                                    ; preds = %.lr.ph53, %._crit_edge50
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(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 8, ptr nonnull %2) #5
  %60 = load i64, ptr %1, align 8, !tbaa !5
  %61 = add nsw i64 %60, -1
  store i64 %61, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %60, 0
  br i1 %.not, label %._crit_edge58, label %13, !llvm.loop !14

.lr.ph53:                                         ; preds = %._crit_edge50, %.lr.ph53
  %.051 = phi i64 [ %74, %.lr.ph53 ], [ 0, %._crit_edge50 ]
  %62 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.051) #5
  %63 = load i64, ptr %62, align 8, !tbaa !15
  %64 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.051) #5
  %65 = getelementptr inbounds i8, ptr %64, i64 8
  %66 = load i64, ptr %65, align 8, !tbaa !17
  %67 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.051) #5
  %68 = getelementptr inbounds i8, ptr %67, i64 8
  %69 = load i64, ptr %68, align 8, !tbaa !17
  %70 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.051) #5
  %71 = load i64, ptr %70, align 8, !tbaa !15
  %72 = sub nsw i64 %69, %71
  %73 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %63, i64 noundef %66, i64 noundef %72)
  %74 = add nuw nsw i64 %.051, 1
  %75 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  %76 = icmp ult i64 %74, %75
  br i1 %76, label %.lr.ph53, label %._crit_edge54, !llvm.loop !18

77:                                               ; preds = %51, %21
  %.pn = phi { ptr, i32 } [ %52, %51 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn

._crit_edge58:                                    ; preds = %._crit_edge54, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0
}

; 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 @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(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 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIllESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(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 = !{!"long", !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}
!15 = !{!16, !6, i64 0}
!16 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!17 = !{!16, !6, i64 8}
!18 = distinct !{!18, !10}


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