; LLVM IR from DionysiosB/CodeForces :: 1000-1099 (1006B-PolycarpsPractice)

; 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<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 }
%"class.std::allocator" = type { i8 }
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.2" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 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::reverse_iterator", align 8
  %10 = alloca %"class.std::reverse_iterator", align 8
  %11 = alloca %"class.std::vector.0", align 8
  %12 = alloca %"class.std::allocator.2", align 1
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %17 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %18 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %20 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %21 unwind label %27

21:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %22

22:                                               ; preds = %42, %21
  %23 = load i64, ptr %8, align 8, !tbaa !5
  %24 = load i64, ptr %2, align 8, !tbaa !5
  %25 = icmp slt i64 %23, %24
  br i1 %25, label %31, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %49

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %6, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  br label %139

31:                                               ; preds = %22
  %32 = load i64, ptr %8, align 8, !tbaa !5
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %32) #6
  %34 = getelementptr inbounds %"struct.std::pair", ptr %33, i32 0, i32 0
  %35 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %34)
          to label %36 unwind label %45

36:                                               ; preds = %31
  %37 = load i64, ptr %8, align 8, !tbaa !5
  %38 = add nsw i64 %37, 1
  %39 = load i64, ptr %8, align 8, !tbaa !5
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %39) #6
  %41 = getelementptr inbounds %"struct.std::pair", ptr %40, i32 0, i32 1
  store i64 %38, ptr %41, align 8, !tbaa !9
  br label %42

42:                                               ; preds = %36
  %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 %22, !llvm.loop !11

45:                                               ; preds = %31
  %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) #6
  br label %138

49:                                               ; preds = %26
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE6rbeginEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %9, ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE4rendEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %10, ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS4_SaIS4_EEEEEEvT_SB_(ptr noundef %9, ptr noundef %10)
          to label %50 unwind label %58

50:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #6
  %51 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %51, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %52 unwind label %62

52:                                               ; preds = %50
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %53

53:                                               ; preds = %79, %52
  %54 = load i64, ptr %14, align 8, !tbaa !5
  %55 = load i64, ptr %3, align 8, !tbaa !5
  %56 = icmp slt i64 %54, %55
  br i1 %56, label %66, label %57

57:                                               ; preds = %53
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %82

58:                                               ; preds = %49
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %6, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %7, align 4
  br label %138

62:                                               ; preds = %50
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %6, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  br label %137

66:                                               ; preds = %53
  %67 = load i64, ptr %14, align 8, !tbaa !5
  %68 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %67) #6
  %69 = getelementptr inbounds %"struct.std::pair", ptr %68, i32 0, i32 0
  %70 = load i64, ptr %69, align 8, !tbaa !13
  %71 = load i64, ptr %13, align 8, !tbaa !5
  %72 = add nsw i64 %71, %70
  store i64 %72, ptr %13, align 8, !tbaa !5
  %73 = load i64, ptr %14, align 8, !tbaa !5
  %74 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %73) #6
  %75 = getelementptr inbounds %"struct.std::pair", ptr %74, i32 0, i32 1
  %76 = load i64, ptr %75, align 8, !tbaa !9
  %77 = load i64, ptr %14, align 8, !tbaa !5
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %77) #6
  store i64 %76, ptr %78, align 8, !tbaa !5
  br label %79

79:                                               ; preds = %66
  %80 = load i64, ptr %14, align 8, !tbaa !5
  %81 = add nsw i64 %80, 1
  store i64 %81, ptr %14, align 8, !tbaa !5
  br label %53, !llvm.loop !14

82:                                               ; preds = %57
  %83 = load i64, ptr %13, align 8, !tbaa !5
  %84 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %83)
          to label %85 unwind label %104

85:                                               ; preds = %82
  %86 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  %87 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %15, i32 0, i32 0
  store ptr %86, ptr %87, align 8
  %88 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  %89 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %16, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  %90 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %15, i32 0, i32 0
  %91 = load ptr, ptr %90, align 8
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %16, i32 0, i32 0
  %93 = load ptr, ptr %92, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %91, ptr %93)
          to label %94 unwind label %104

94:                                               ; preds = %85
  %95 = load i64, ptr %2, align 8, !tbaa !5
  %96 = load i64, ptr %3, align 8, !tbaa !5
  %97 = sub nsw i64 %96, 1
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %97) #6
  store i64 %95, ptr %98, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  store i64 0, ptr %17, align 8, !tbaa !5
  br label %99

99:                                               ; preds = %125, %94
  %100 = load i64, ptr %17, align 8, !tbaa !5
  %101 = load i64, ptr %3, align 8, !tbaa !5
  %102 = icmp slt i64 %100, %101
  br i1 %102, label %108, label %103

103:                                              ; preds = %99
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %132

104:                                              ; preds = %132, %85, %82
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %6, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %7, align 4
  br label %136

108:                                              ; preds = %99
  %109 = load i64, ptr %17, align 8, !tbaa !5
  %110 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %109) #6
  %111 = load i64, ptr %110, align 8, !tbaa !5
  %112 = load i64, ptr %17, align 8, !tbaa !5
  %113 = icmp eq i64 %112, 0
  br i1 %113, label %114, label %115

114:                                              ; preds = %108
  br label %120

115:                                              ; preds = %108
  %116 = load i64, ptr %17, align 8, !tbaa !5
  %117 = sub nsw i64 %116, 1
  %118 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %117) #6
  %119 = load i64, ptr %118, align 8, !tbaa !5
  br label %120

120:                                              ; preds = %115, %114
  %121 = phi i64 [ 0, %114 ], [ %119, %115 ]
  %122 = sub nsw i64 %111, %121
  %123 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %122)
          to label %124 unwind label %128

124:                                              ; preds = %120
  br label %125

125:                                              ; preds = %124
  %126 = load i64, ptr %17, align 8, !tbaa !5
  %127 = add nsw i64 %126, 1
  store i64 %127, ptr %17, align 8, !tbaa !5
  br label %99, !llvm.loop !15

128:                                              ; preds = %120
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %6, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %136

132:                                              ; preds = %103
  %133 = invoke i32 @puts(ptr noundef @.str.4)
          to label %134 unwind label %104

134:                                              ; preds = %132
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %135 = load i32, ptr %1, align 4
  ret i32 %135

136:                                              ; preds = %128, %104
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  br label %137

137:                                              ; preds = %136, %62
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  br label %138

138:                                              ; preds = %137, %58, %45
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %139

139:                                              ; preds = %138, %27
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %140

140:                                              ; preds = %139
  %141 = load ptr, ptr %6, align 8
  %142 = load i32, ptr %7, align 4
  %143 = insertvalue { ptr, i32 } poison, ptr %141, 0
  %144 = insertvalue { ptr, i32 } %143, i32 %142, 1
  resume { ptr, i32 } %144
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(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) #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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS4_SaIS4_EEEEEEvT_SB_(ptr noundef, ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #3 align 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

; 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

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @puts(ptr noundef) #1

; 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 @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { "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 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!10, !6, i64 0}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


; 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<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 }
%"class.std::allocator" = type { i8 }
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.2" = type { i8 }

@.str = external hidden unnamed_addr constant [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 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::reverse_iterator", align 8
  %6 = alloca %"class.std::reverse_iterator", align 8
  %7 = alloca %"class.std::vector.0", align 8
  %8 = alloca %"class.std::allocator.2", align 1
  %9 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  %11 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %12 unwind label %15

12:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  %13 = load i64, ptr %1, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %12
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE6rbeginEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %5, ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @_ZNSt6vectorISt4pairIllESaIS1_EE4rendEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS4_SaIS4_EEEEEEvT_SB_(ptr noundef nonnull %5, ptr noundef nonnull %6)
          to label %24 unwind label %32

15:                                               ; preds = %0
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  br label %74

.lr.ph:                                           ; preds = %12, %.lr.ph
  %.02330 = phi i64 [ %19, %.lr.ph ], [ 0, %12 ]
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02330) #7
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %17)
  %19 = add nuw nsw i64 %.02330, 1
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02330) #7
  %21 = getelementptr inbounds i8, ptr %20, i64 8
  store i64 %19, ptr %21, align 8, !tbaa !9
  %22 = load i64, ptr %1, align 8, !tbaa !5
  %23 = icmp slt i64 %19, %22
  br i1 %23, label %.lr.ph, label %._crit_edge, !llvm.loop !11

24:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #7
  %25 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %26 unwind label %34

26:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #7
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %28 = icmp sgt i64 %27, 0
  br i1 %28, label %.lr.ph34, label %._crit_edge35

._crit_edge35:                                    ; preds = %.lr.ph34, %26
  %.022.lcssa = phi i64 [ 0, %26 ], [ %38, %.lr.ph34 ]
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.022.lcssa)
  %30 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  %31 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %30, ptr %31)
          to label %46 unwind label %60

32:                                               ; preds = %._crit_edge
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %73

34:                                               ; preds = %24
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #7
  br label %72

.lr.ph34:                                         ; preds = %26, %.lr.ph34
  %.02132 = phi i64 [ %43, %.lr.ph34 ], [ 0, %26 ]
  %.02231 = phi i64 [ %38, %.lr.ph34 ], [ 0, %26 ]
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02132) #7
  %37 = load i64, ptr %36, align 8, !tbaa !13
  %38 = add nsw i64 %37, %.02231
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02132) #7
  %40 = getelementptr inbounds i8, ptr %39, i64 8
  %41 = load i64, ptr %40, align 8, !tbaa !9
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %.02132) #7
  store i64 %41, ptr %42, align 8, !tbaa !5
  %43 = add nuw nsw i64 %.02132, 1
  %44 = load i64, ptr %2, align 8, !tbaa !5
  %45 = icmp slt i64 %43, %44
  br i1 %45, label %.lr.ph34, label %._crit_edge35, !llvm.loop !14

46:                                               ; preds = %._crit_edge35
  %47 = load i64, ptr %1, align 8, !tbaa !5
  %48 = load i64, ptr %2, align 8, !tbaa !5
  %49 = add nsw i64 %48, -1
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %49) #7
  store i64 %47, ptr %50, align 8, !tbaa !5
  %51 = load i64, ptr %2, align 8, !tbaa !5
  %52 = icmp sgt i64 %51, 0
  br i1 %52, label %53, label %._crit_edge39

53:                                               ; preds = %46
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 0) #7
  %55 = load i64, ptr %54, align 8, !tbaa !5
  %56 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %55)
  %57 = load i64, ptr %2, align 8, !tbaa !5
  %58 = icmp sgt i64 %57, 1
  br i1 %58, label %.lr.ph38.peel.next, label %._crit_edge39

._crit_edge39:                                    ; preds = %.lr.ph38.peel.next, %53, %46
  %59 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.4)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0

60:                                               ; preds = %._crit_edge35
  %61 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  br label %72

.lr.ph38.peel.next:                               ; preds = %53, %.lr.ph38.peel.next
  %.036 = phi i64 [ %69, %.lr.ph38.peel.next ], [ 1, %53 ]
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %.036) #7
  %63 = load i64, ptr %62, align 8, !tbaa !5
  %64 = add nsw i64 %.036, -1
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %64) #7
  %66 = load i64, ptr %65, align 8, !tbaa !5
  %67 = sub nsw i64 %63, %66
  %68 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %67)
  %69 = add nuw nsw i64 %.036, 1
  %70 = load i64, ptr %2, align 8, !tbaa !5
  %71 = icmp slt i64 %69, %70
  br i1 %71, label %.lr.ph38.peel.next, label %._crit_edge39, !llvm.loop !15

72:                                               ; preds = %60, %34
  %.pn = phi { ptr, i32 } [ %61, %60 ], [ %35, %34 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  br label %73

73:                                               ; preds = %72, %32
  %.pn.pn = phi { ptr, i32 } [ %.pn, %72 ], [ %33, %32 ]
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %74

74:                                               ; preds = %73, %15
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %73 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 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) #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 #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS4_SaIS4_EEEEEEvT_SB_(ptr noundef, ptr noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 #5 align 2

; 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 #4 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 = { "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 = { 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 #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = !{!10, !6, i64 8}
!10 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!10, !6, i64 0}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12, !16}
!16 = !{!"llvm.loop.peeled.count", i32 1}


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