; LLVM IR from upupming/algorithm :: acwing/算法竞赛进阶指南/0x07-贪心/114. 国王游戏 (main)

; 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"

%"struct.std::pair.0" = type { i32, %"struct.std::pair" }
%"struct.std::pair" = type { i32, i32 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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 }

@n = external dso_local global i32, align 4
@a = external dso_local global i32, align 4
@b = external dso_local global i32, align 4
@c = external dso_local global [1010 x %"struct.std::pair.0"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3mulSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef) #0

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3divSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7max_vecSt6vectorIiSaIiEES1_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, ptr noundef) #0

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

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

24:                                               ; preds = %59, %0
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = load i32, ptr @n, align 4, !tbaa !5
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %62

29:                                               ; preds = %24
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %31
  %33 = getelementptr inbounds %"struct.std::pair.0", ptr %32, i32 0, i32 1
  %34 = getelementptr inbounds %"struct.std::pair", ptr %33, i32 0, i32 0
  %35 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %34)
  %36 = load i32, ptr %2, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %37
  %39 = getelementptr inbounds %"struct.std::pair.0", ptr %38, i32 0, i32 1
  %40 = getelementptr inbounds %"struct.std::pair", ptr %39, i32 0, i32 1
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %35, ptr noundef nonnull align 4 dereferenceable(4) %40)
  %42 = load i32, ptr %2, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %43
  %45 = getelementptr inbounds %"struct.std::pair.0", ptr %44, i32 0, i32 1
  %46 = getelementptr inbounds %"struct.std::pair", ptr %45, i32 0, i32 0
  %47 = load i32, ptr %46, align 4, !tbaa !9
  %48 = load i32, ptr %2, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %49
  %51 = getelementptr inbounds %"struct.std::pair.0", ptr %50, i32 0, i32 1
  %52 = getelementptr inbounds %"struct.std::pair", ptr %51, i32 0, i32 1
  %53 = load i32, ptr %52, align 4, !tbaa !12
  %54 = mul nsw i32 %47, %53
  %55 = load i32, ptr %2, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %56
  %58 = getelementptr inbounds %"struct.std::pair.0", ptr %57, i32 0, i32 0
  store i32 %54, ptr %58, align 4, !tbaa !13
  br label %59

59:                                               ; preds = %29
  %60 = load i32, ptr %2, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %2, align 4, !tbaa !5
  br label %24, !llvm.loop !14

62:                                               ; preds = %28
  %63 = load i32, ptr @n, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds %"struct.std::pair.0", ptr @c, i64 %64
  call void @_ZSt4sortIPSt4pairIiS0_IiiEEEvT_S4_(ptr noundef @c, ptr noundef %65)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %66 unwind label %77

66:                                               ; preds = %62
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef 1, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %67 unwind label %81

67:                                               ; preds = %66
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %68 unwind label %85

68:                                               ; preds = %67
  %69 = load i32, ptr @a, align 4, !tbaa !5
  invoke void @_Z3mulSt6vectorIiSaIiEEi(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %11, ptr noundef %12, i32 noundef %69)
          to label %70 unwind label %89

70:                                               ; preds = %68
  %71 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %72

72:                                               ; preds = %115, %70
  %73 = load i32, ptr %13, align 4, !tbaa !5
  %74 = load i32, ptr @n, align 4, !tbaa !5
  %75 = icmp slt i32 %73, %74
  br i1 %75, label %94, label %76

76:                                               ; preds = %72
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %147

77:                                               ; preds = %62
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %6, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %179

81:                                               ; preds = %66
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %6, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %178

85:                                               ; preds = %67
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %6, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %7, align 4
  br label %93

89:                                               ; preds = %68
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %6, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %7, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  br label %93

93:                                               ; preds = %89, %85
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  br label %177

94:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %95 unwind label %118

95:                                               ; preds = %94
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %96 unwind label %122

96:                                               ; preds = %95
  %97 = load i32, ptr %13, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %98
  %100 = getelementptr inbounds %"struct.std::pair.0", ptr %99, i32 0, i32 1
  %101 = getelementptr inbounds %"struct.std::pair", ptr %100, i32 0, i32 1
  %102 = load i32, ptr %101, align 4, !tbaa !12
  invoke void @_Z3divSt6vectorIiSaIiEEi(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %16, ptr noundef %17, i32 noundef %102)
          to label %103 unwind label %126

103:                                              ; preds = %96
  invoke void @_Z7max_vecSt6vectorIiSaIiEES1_(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %14, ptr noundef %15, ptr noundef %16)
          to label %104 unwind label %130

104:                                              ; preds = %103
  %105 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %18) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %106 unwind label %137

106:                                              ; preds = %104
  %107 = load i32, ptr %13, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %108
  %110 = getelementptr inbounds %"struct.std::pair.0", ptr %109, i32 0, i32 1
  %111 = getelementptr inbounds %"struct.std::pair", ptr %110, i32 0, i32 0
  %112 = load i32, ptr %111, align 4, !tbaa !9
  invoke void @_Z3mulSt6vectorIiSaIiEEi(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %18, ptr noundef %19, i32 noundef %112)
          to label %113 unwind label %141

113:                                              ; preds = %106
  %114 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %18) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #6
  br label %115

115:                                              ; preds = %113
  %116 = load i32, ptr %13, align 4, !tbaa !5
  %117 = add nsw i32 %116, 1
  store i32 %117, ptr %13, align 4, !tbaa !5
  br label %72, !llvm.loop !16

118:                                              ; preds = %94
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %6, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %7, align 4
  br label %136

122:                                              ; preds = %95
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %6, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %7, align 4
  br label %135

126:                                              ; preds = %96
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %6, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %7, align 4
  br label %134

130:                                              ; preds = %103
  %131 = landingpad { ptr, i32 }
          cleanup
  %132 = extractvalue { ptr, i32 } %131, 0
  store ptr %132, ptr %6, align 8
  %133 = extractvalue { ptr, i32 } %131, 1
  store i32 %133, ptr %7, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  br label %134

134:                                              ; preds = %130, %126
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #6
  br label %135

135:                                              ; preds = %134, %122
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #6
  br label %136

136:                                              ; preds = %135, %118
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  br label %146

137:                                              ; preds = %104
  %138 = landingpad { ptr, i32 }
          cleanup
  %139 = extractvalue { ptr, i32 } %138, 0
  store ptr %139, ptr %6, align 8
  %140 = extractvalue { ptr, i32 } %138, 1
  store i32 %140, ptr %7, align 4
  br label %145

141:                                              ; preds = %106
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %6, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %7, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #6
  br label %145

145:                                              ; preds = %141, %137
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #6
  br label %146

146:                                              ; preds = %145, %136
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %177

147:                                              ; preds = %76
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #6
  %148 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %149 = sub i64 %148, 1
  %150 = trunc i64 %149 to i32
  store i32 %150, ptr %20, align 4, !tbaa !5
  br label %151

151:                                              ; preds = %162, %147
  %152 = load i32, ptr %20, align 4, !tbaa !5
  %153 = icmp sge i32 %152, 0
  br i1 %153, label %155, label %154

154:                                              ; preds = %151
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  br label %169

155:                                              ; preds = %151
  %156 = load i32, ptr %20, align 4, !tbaa !5
  %157 = sext i32 %156 to i64
  %158 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %157) #6
  %159 = load i32, ptr %158, align 4, !tbaa !5
  %160 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %159)
          to label %161 unwind label %165

161:                                              ; preds = %155
  br label %162

162:                                              ; preds = %161
  %163 = load i32, ptr %20, align 4, !tbaa !5
  %164 = add nsw i32 %163, -1
  store i32 %164, ptr %20, align 4, !tbaa !5
  br label %151, !llvm.loop !17

165:                                              ; preds = %155
  %166 = landingpad { ptr, i32 }
          cleanup
  %167 = extractvalue { ptr, i32 } %166, 0
  store ptr %167, ptr %6, align 8
  %168 = extractvalue { ptr, i32 } %166, 1
  store i32 %168, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  br label %177

169:                                              ; preds = %154
  %170 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %171 unwind label %173

171:                                              ; preds = %169
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  %172 = load i32, ptr %1, align 4
  ret i32 %172

173:                                              ; preds = %169
  %174 = landingpad { ptr, i32 }
          cleanup
  %175 = extractvalue { ptr, i32 } %174, 0
  store ptr %175, ptr %6, align 8
  %176 = extractvalue { ptr, i32 } %174, 1
  store i32 %176, ptr %7, align 4
  br label %177

177:                                              ; preds = %173, %165, %146, %93
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  br label %178

178:                                              ; preds = %177, %81
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %179

179:                                              ; preds = %178, %77
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  br label %180

180:                                              ; preds = %179
  %181 = load ptr, ptr %6, align 8
  %182 = load i32, ptr %7, align 4
  %183 = insertvalue { ptr, i32 } poison, ptr %181, 0
  %184 = insertvalue { ptr, i32 } %183, i32 %182, 1
  resume { ptr, i32 } %184
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt4pairIiS0_IiiEEEvT_S4_(ptr noundef, ptr noundef) #5

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 4}
!10 = !{!"_ZTSSt4pairIiS_IiiEE", !6, i64 0, !11, i64 4}
!11 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}


; 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"

%"struct.std::pair.0" = type { i32, %"struct.std::pair" }
%"struct.std::pair" = type { i32, i32 }
%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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 }

@n = external dso_local global i32, align 4
@a = external dso_local global i32, align 4
@b = external dso_local global i32, align 4
@c = external dso_local global [1010 x %"struct.std::pair.0"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3mulSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef) local_unnamed_addr #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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3divSt6vectorIiSaIiEEi(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7max_vecSt6vectorIiSaIiEES1_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, ptr noundef) local_unnamed_addr #0

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca %"class.std::vector", align 8
  %14 = alloca %"class.std::vector", align 8
  %15 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %16 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) @a)
  %17 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) @b)
  %18 = load i32, ptr @n, align 4, !tbaa !5
  %19 = icmp sgt i32 %18, 0
  br i1 %19, label %.lr.ph, label %.._crit_edge_crit_edge

.._crit_edge_crit_edge:                           ; preds = %0
  %.pre = sext i32 %18 to i64
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.._crit_edge_crit_edge ], [ %30, %.lr.ph ]
  %20 = getelementptr inbounds %"struct.std::pair.0", ptr @c, i64 %.pre-phi
  tail call void @_ZSt4sortIPSt4pairIiS0_IiiEEEvT_S4_(ptr noundef nonnull @c, ptr noundef nonnull %20)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 1, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 1, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %32 unwind label %42

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %21 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %indvars.iv
  %22 = getelementptr inbounds i8, ptr %21, i64 4
  %23 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %22)
  %24 = getelementptr inbounds i8, ptr %21, i64 8
  %25 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 4 dereferenceable(4) %24)
  %26 = load i32, ptr %22, align 4, !tbaa !9
  %27 = load i32, ptr %24, align 4, !tbaa !12
  %28 = mul nsw i32 %27, %26
  store i32 %28, ptr %21, align 4, !tbaa !13
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = load i32, ptr @n, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = icmp slt i64 %indvars.iv.next, %30
  br i1 %31, label %.lr.ph, label %._crit_edge, !llvm.loop !14

32:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 1, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %33 unwind label %44

33:                                               ; preds = %32
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %34 unwind label %46

34:                                               ; preds = %33
  %35 = load i32, ptr @a, align 4, !tbaa !5
  invoke void @_Z3mulSt6vectorIiSaIiEEi(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %7, ptr noundef nonnull %8, i32 noundef %35)
          to label %36 unwind label %48

36:                                               ; preds = %34
  %37 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #6
  %38 = load i32, ptr @n, align 4, !tbaa !5
  %39 = icmp sgt i32 %38, 0
  br i1 %39, label %.lr.ph43, label %._crit_edge44

._crit_edge44:                                    ; preds = %61, %36
  %40 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %41 = and i64 %40, 4294967295
  br label %82

42:                                               ; preds = %._crit_edge
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  br label %99

44:                                               ; preds = %32
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %98

46:                                               ; preds = %33
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %50

48:                                               ; preds = %34
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  br label %50

50:                                               ; preds = %48, %46
  %.pn = phi { ptr, i32 } [ %49, %48 ], [ %47, %46 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #6
  br label %97

.lr.ph43:                                         ; preds = %36, %61
  %indvars.iv47 = phi i64 [ %indvars.iv.next48, %61 ], [ 0, %36 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %51 unwind label %66

51:                                               ; preds = %.lr.ph43
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %52 unwind label %68

52:                                               ; preds = %51
  %53 = getelementptr inbounds [1010 x %"struct.std::pair.0"], ptr @c, i64 0, i64 %indvars.iv47, i32 1
  %54 = getelementptr inbounds i8, ptr %53, i64 4
  %55 = load i32, ptr %54, align 4, !tbaa !12
  invoke void @_Z3divSt6vectorIiSaIiEEi(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %11, ptr noundef nonnull %12, i32 noundef %55)
          to label %56 unwind label %70

56:                                               ; preds = %52
  invoke void @_Z7max_vecSt6vectorIiSaIiEES1_(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %9, ptr noundef nonnull %10, ptr noundef nonnull %11)
          to label %57 unwind label %72

57:                                               ; preds = %56
  %58 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %13) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %59 unwind label %77

59:                                               ; preds = %57
  %60 = load i32, ptr %53, align 4, !tbaa !9
  invoke void @_Z3mulSt6vectorIiSaIiEEi(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %13, ptr noundef nonnull %14, i32 noundef %60)
          to label %61 unwind label %79

61:                                               ; preds = %59
  %62 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %13) #6
  %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, 1
  %63 = load i32, ptr @n, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = icmp slt i64 %indvars.iv.next48, %64
  br i1 %65, label %.lr.ph43, label %._crit_edge44, !llvm.loop !16

66:                                               ; preds = %.lr.ph43
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %76

68:                                               ; preds = %51
  %69 = landingpad { ptr, i32 }
          cleanup
  br label %75

70:                                               ; preds = %52
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %74

72:                                               ; preds = %56
  %73 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  br label %74

74:                                               ; preds = %72, %70
  %.pn30 = phi { ptr, i32 } [ %73, %72 ], [ %71, %70 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  br label %75

75:                                               ; preds = %74, %68
  %.pn30.pn = phi { ptr, i32 } [ %.pn30, %74 ], [ %69, %68 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  br label %76

76:                                               ; preds = %75, %66
  %.pn30.pn.pn = phi { ptr, i32 } [ %.pn30.pn, %75 ], [ %67, %66 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #6
  br label %97

77:                                               ; preds = %57
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %81

79:                                               ; preds = %59
  %80 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  br label %81

81:                                               ; preds = %79, %77
  %.pn34 = phi { ptr, i32 } [ %80, %79 ], [ %78, %77 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %13) #6
  br label %97

82:                                               ; preds = %87, %._crit_edge44
  %indvars.iv50 = phi i64 [ %indvars.iv.next51, %87 ], [ %41, %._crit_edge44 ]
  %indvars.iv.next51 = add nsw i64 %indvars.iv50, -1
  %83 = and i64 %indvars.iv.next51, 2147483648
  %84 = icmp eq i64 %83, 0
  br i1 %84, label %87, label %85

85:                                               ; preds = %82
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %94 unwind label %95

87:                                               ; preds = %82
  %88 = and i64 %indvars.iv.next51, 2147483647
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %88) #6
  %90 = load i32, ptr %89, align 4, !tbaa !5
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %90)
          to label %82 unwind label %92, !llvm.loop !17

92:                                               ; preds = %87
  %93 = landingpad { ptr, i32 }
          cleanup
  br label %97

94:                                               ; preds = %85
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  ret i32 0

95:                                               ; preds = %85
  %96 = landingpad { ptr, i32 }
          cleanup
  br label %97

97:                                               ; preds = %76, %81, %95, %92, %50
  %.pn34.pn.pn = phi { ptr, i32 } [ %93, %92 ], [ %96, %95 ], [ %.pn, %50 ], [ %.pn34, %81 ], [ %.pn30.pn.pn, %76 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %98

98:                                               ; preds = %97, %44
  %.pn34.pn.pn.pn = phi { ptr, i32 } [ %.pn34.pn.pn, %97 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  br label %99

99:                                               ; preds = %98, %42
  %.pn34.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn34.pn.pn.pn, %98 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn34.pn.pn.pn.pn
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt4pairIiS0_IiiEEEvT_S4_(ptr noundef, ptr noundef) local_unnamed_addr #5

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 4}
!10 = !{!"_ZTSSt4pairIiS_IiiEE", !6, i64 0, !11, i64 4}
!11 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!12 = !{!10, !6, i64 8}
!13 = !{!10, !6, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}


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