; LLVM IR from bqi343/cp-notebook :: Contests/USACO Training/Ch 6/6.2 packrec (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"

%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@ans = external dso_local global i32, align 4
@k = external dso_local global %"class.std::set", align 8
@p = external dso_local global [4 x %"struct.std::pair"], align 16
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #0

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solvev() #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 %"class.std::basic_ifstream", align 8
  %3 = alloca %"class.std::basic_ofstream", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca %"struct.std::pair", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr %2) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %2, ptr noundef @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr %3) #8
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %3, ptr noundef @.str.2, i32 noundef 16)
          to label %16 unwind label %21

16:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %38, %16
  %18 = load i32, ptr %6, align 4, !tbaa !5
  %19 = icmp slt i32 %18, 4
  br i1 %19, label %25, label %20

20:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %45

21:                                               ; preds = %0
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %4, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %5, align 4
  br label %164

25:                                               ; preds = %17
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [4 x %"struct.std::pair"], ptr @p, i64 0, i64 %27
  %29 = getelementptr inbounds %"struct.std::pair", ptr %28, i32 0, i32 0
  %30 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) %29)
          to label %31 unwind label %41

31:                                               ; preds = %25
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [4 x %"struct.std::pair"], ptr @p, i64 0, i64 %33
  %35 = getelementptr inbounds %"struct.std::pair", ptr %34, i32 0, i32 1
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %30, ptr noundef nonnull align 4 dereferenceable(4) %35)
          to label %37 unwind label %41

37:                                               ; preds = %31
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %6, align 4, !tbaa !5
  br label %17, !llvm.loop !9

41:                                               ; preds = %31, %25
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %4, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %163

45:                                               ; preds = %20
  invoke void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef @p, ptr noundef getelementptr inbounds (%"struct.std::pair", ptr @p, i64 4))
          to label %46 unwind label %51

46:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %120, %46
  %48 = load i32, ptr %7, align 4, !tbaa !5
  %49 = icmp slt i32 %48, 24
  br i1 %49, label %55, label %50

50:                                               ; preds = %47
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %128

51:                                               ; preds = %131, %128, %45
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %5, align 4
  br label %163

55:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %114, %55
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = icmp slt i32 %57, 16
  br i1 %58, label %60, label %59

59:                                               ; preds = %56
  store i32 8, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  br label %117

60:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %81, %60
  %62 = load i32, ptr %10, align 4, !tbaa !5
  %63 = icmp slt i32 %62, 4
  br i1 %63, label %65, label %64

64:                                               ; preds = %61
  store i32 11, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %84

65:                                               ; preds = %61
  %66 = load i32, ptr %9, align 4, !tbaa !5
  %67 = load i32, ptr %10, align 4, !tbaa !5
  %68 = shl i32 1, %67
  %69 = and i32 %66, %68
  %70 = icmp ne i32 %69, 0
  br i1 %70, label %71, label %80

71:                                               ; preds = %65
  %72 = load i32, ptr %10, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [4 x %"struct.std::pair"], ptr @p, i64 0, i64 %73
  %75 = getelementptr inbounds %"struct.std::pair", ptr %74, i32 0, i32 0
  %76 = load i32, ptr %10, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds [4 x %"struct.std::pair"], ptr @p, i64 0, i64 %77
  %79 = getelementptr inbounds %"struct.std::pair", ptr %78, i32 0, i32 1
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) %75, ptr noundef nonnull align 4 dereferenceable(4) %79) #8
  br label %80

80:                                               ; preds = %71, %65
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %10, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %10, align 4, !tbaa !5
  br label %61, !llvm.loop !11

84:                                               ; preds = %64
  invoke void @_Z5solvev()
          to label %85 unwind label %90

85:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %86

86:                                               ; preds = %110, %85
  %87 = load i32, ptr %11, align 4, !tbaa !5
  %88 = icmp slt i32 %87, 4
  br i1 %88, label %94, label %89

89:                                               ; preds = %86
  store i32 14, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  br label %113

90:                                               ; preds = %84
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %4, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  br label %127

94:                                               ; preds = %86
  %95 = load i32, ptr %9, align 4, !tbaa !5
  %96 = load i32, ptr %11, align 4, !tbaa !5
  %97 = shl i32 1, %96
  %98 = and i32 %95, %97
  %99 = icmp ne i32 %98, 0
  br i1 %99, label %100, label %109

100:                                              ; preds = %94
  %101 = load i32, ptr %11, align 4, !tbaa !5
  %102 = sext i32 %101 to i64
  %103 = getelementptr inbounds [4 x %"struct.std::pair"], ptr @p, i64 0, i64 %102
  %104 = getelementptr inbounds %"struct.std::pair", ptr %103, i32 0, i32 0
  %105 = load i32, ptr %11, align 4, !tbaa !5
  %106 = sext i32 %105 to i64
  %107 = getelementptr inbounds [4 x %"struct.std::pair"], ptr @p, i64 0, i64 %106
  %108 = getelementptr inbounds %"struct.std::pair", ptr %107, i32 0, i32 1
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) %104, ptr noundef nonnull align 4 dereferenceable(4) %108) #8
  br label %109

109:                                              ; preds = %100, %94
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %11, align 4, !tbaa !5
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %11, align 4, !tbaa !5
  br label %86, !llvm.loop !12

113:                                              ; preds = %89
  br label %114

114:                                              ; preds = %113
  %115 = load i32, ptr %9, align 4, !tbaa !5
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %9, align 4, !tbaa !5
  br label %56, !llvm.loop !13

117:                                              ; preds = %59
  %118 = invoke noundef zeroext i1 @_ZSt16next_permutationIPSt4pairIiiEEbT_S3_(ptr noundef @p, ptr noundef getelementptr inbounds (%"struct.std::pair", ptr @p, i64 4))
          to label %119 unwind label %123

119:                                              ; preds = %117
  br label %120

120:                                              ; preds = %119
  %121 = load i32, ptr %7, align 4, !tbaa !5
  %122 = add nsw i32 %121, 1
  store i32 %122, ptr %7, align 4, !tbaa !5
  br label %47, !llvm.loop !14

123:                                              ; preds = %117
  %124 = landingpad { ptr, i32 }
          cleanup
  %125 = extractvalue { ptr, i32 } %124, 0
  store ptr %125, ptr %4, align 8
  %126 = extractvalue { ptr, i32 } %124, 1
  store i32 %126, ptr %5, align 4
  br label %127

127:                                              ; preds = %123, %90
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %163

128:                                              ; preds = %50
  %129 = load i32, ptr @ans, align 4, !tbaa !5
  %130 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef %129)
          to label %131 unwind label %51

131:                                              ; preds = %128
  %132 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %130, ptr noundef @.str.3)
          to label %133 unwind label %51

133:                                              ; preds = %131
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  store ptr @k, ptr %12, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #8
  %134 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @k) #8
  %135 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %13, i32 0, i32 0
  store ptr %134, ptr %135, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #8
  %136 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @k) #8
  %137 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %136, ptr %137, align 8
  br label %138

138:                                              ; preds = %155, %133
  %139 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #8
  br i1 %139, label %141, label %140

140:                                              ; preds = %138
  store i32 17, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  br label %161

141:                                              ; preds = %138
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #8
  %142 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 4 %142, i64 8, i1 false)
  %143 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 0
  %144 = load i32, ptr %143, align 4, !tbaa !17
  %145 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef %144)
          to label %146 unwind label %157

146:                                              ; preds = %141
  %147 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %145, ptr noundef @.str.4)
          to label %148 unwind label %157

148:                                              ; preds = %146
  %149 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 1
  %150 = load i32, ptr %149, align 4, !tbaa !19
  %151 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %147, i32 noundef %150)
          to label %152 unwind label %157

152:                                              ; preds = %148
  %153 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %151, ptr noundef @.str.3)
          to label %154 unwind label %157

154:                                              ; preds = %152
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #8
  br label %155

155:                                              ; preds = %154
  %156 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #8
  br label %138

157:                                              ; preds = %152, %148, %146, %141
  %158 = landingpad { ptr, i32 }
          cleanup
  %159 = extractvalue { ptr, i32 } %158, 0
  store ptr %159, ptr %4, align 8
  %160 = extractvalue { ptr, i32 } %158, 1
  store i32 %160, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  br label %163

161:                                              ; preds = %140
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #8
  %162 = load i32, ptr %1, align 4
  ret i32 %162

163:                                              ; preds = %157, %127, %51, %41
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #8
  br label %164

164:                                              ; preds = %163, %21
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #8
  br label %165

165:                                              ; preds = %164
  %166 = load ptr, ptr %4, align 8
  %167 = load i32, ptr %5, align 4
  %168 = insertvalue { ptr, i32 } poison, ptr %166, 0
  %169 = insertvalue { ptr, i32 } %168, i32 %167, 1
  resume { ptr, i32 } %169
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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 @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef, ptr noundef) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt16next_permutationIPSt4pairIiiEEbT_S3_(ptr noundef, ptr noundef) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #6 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #6 align 2

attributes #0 = { inlinehint 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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 #7 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #8 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = !{!16, !16, i64 0}
!16 = !{!"any pointer", !7, i64 0}
!17 = !{!18, !6, i64 0}
!18 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!19 = !{!18, !6, i64 4}


; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@ans = external dso_local local_unnamed_addr global i32, align 4
@k = external dso_local global %"class.std::set", align 8
@p = external dso_local global [4 x %"struct.std::pair"], align 16
@.str = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5solvev() local_unnamed_addr #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::basic_ifstream", align 8
  %2 = alloca %"class.std::basic_ofstream", align 8
  %3 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %1) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %1, ptr noundef nonnull @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %2) #7
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %2, ptr noundef nonnull @.str.2, i32 noundef 16)
          to label %.preheader38.preheader unwind label %6

.preheader38.preheader:                           ; preds = %0
  %5 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) @p)
          to label %8 unwind label %20

6:                                                ; preds = %0
  %7 = landingpad { ptr, i32 }
          cleanup
  br label %73

8:                                                ; preds = %.preheader38.preheader
  %9 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 4))
          to label %.preheader38.1 unwind label %20

.preheader38.1:                                   ; preds = %8
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 8))
          to label %11 unwind label %20

11:                                               ; preds = %.preheader38.1
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 12))
          to label %.preheader38.2 unwind label %20

.preheader38.2:                                   ; preds = %11
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 16))
          to label %14 unwind label %20

14:                                               ; preds = %.preheader38.2
  %15 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 20))
          to label %.preheader38.3 unwind label %20

.preheader38.3:                                   ; preds = %14
  %16 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 24))
          to label %17 unwind label %20

17:                                               ; preds = %.preheader38.3
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 28))
          to label %19 unwind label %20

19:                                               ; preds = %17
  invoke void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef nonnull @p, ptr noundef nonnull getelementptr inbounds (i8, ptr @p, i64 32))
          to label %.preheader36 unwind label %25

20:                                               ; preds = %17, %.preheader38.3, %14, %.preheader38.2, %11, %.preheader38.1, %8, %.preheader38.preheader
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %72

.preheader36:                                     ; preds = %19, %49
  %.02943 = phi i32 [ %50, %49 ], [ 0, %19 ]
  br label %.preheader35

22:                                               ; preds = %49
  %23 = load i32, ptr @ans, align 4, !tbaa !5
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef %23)
          to label %53 unwind label %25

25:                                               ; preds = %53, %22, %19
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %72

.preheader35:                                     ; preds = %.preheader36, %47
  %.02842 = phi i32 [ 0, %.preheader36 ], [ %48, %47 ]
  %27 = and i32 %.02842, 1
  %.not31 = icmp eq i32 %27, 0
  br i1 %.not31, label %31, label %30

28:                                               ; preds = %47
  %29 = invoke noundef zeroext i1 @_ZSt16next_permutationIPSt4pairIiiEEbT_S3_(ptr noundef nonnull @p, ptr noundef nonnull getelementptr inbounds (i8, ptr @p, i64 32))
          to label %49 unwind label %51

.preheader.preheader:                             ; preds = %40
  br i1 %.not31, label %.preheader.1, label %43

30:                                               ; preds = %.preheader35
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) @p, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 4)) #7
  br label %31

31:                                               ; preds = %.preheader35, %30
  %32 = and i32 %.02842, 2
  %.not31.1 = icmp eq i32 %32, 0
  br i1 %.not31.1, label %34, label %33

33:                                               ; preds = %31
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 8), ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 12)) #7
  br label %34

34:                                               ; preds = %33, %31
  %35 = and i32 %.02842, 4
  %.not31.2 = icmp eq i32 %35, 0
  br i1 %.not31.2, label %37, label %36

36:                                               ; preds = %34
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 16), ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 20)) #7
  br label %37

37:                                               ; preds = %36, %34
  %38 = and i32 %.02842, 8
  %.not31.3 = icmp eq i32 %38, 0
  br i1 %.not31.3, label %40, label %39

39:                                               ; preds = %37
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 24), ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 28)) #7
  br label %40

40:                                               ; preds = %39, %37
  invoke void @_Z5solvev()
          to label %.preheader.preheader unwind label %41

41:                                               ; preds = %40
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %72

43:                                               ; preds = %.preheader.preheader
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) @p, ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 4)) #7
  br label %.preheader.1

.preheader.1:                                     ; preds = %.preheader.preheader, %43
  br i1 %.not31.1, label %.preheader.2, label %44

44:                                               ; preds = %.preheader.1
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 8), ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 12)) #7
  br label %.preheader.2

.preheader.2:                                     ; preds = %44, %.preheader.1
  br i1 %.not31.2, label %.preheader.3, label %45

45:                                               ; preds = %.preheader.2
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 16), ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 20)) #7
  br label %.preheader.3

.preheader.3:                                     ; preds = %45, %.preheader.2
  br i1 %.not31.3, label %47, label %46

46:                                               ; preds = %.preheader.3
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 24), ptr noundef nonnull align 4 dereferenceable(4) getelementptr inbounds (i8, ptr @p, i64 28)) #7
  br label %47

47:                                               ; preds = %46, %.preheader.3
  %48 = add nuw nsw i32 %.02842, 1
  %exitcond.not = icmp eq i32 %48, 16
  br i1 %exitcond.not, label %28, label %.preheader35, !llvm.loop !9

49:                                               ; preds = %28
  %50 = add nuw nsw i32 %.02943, 1
  %exitcond47.not = icmp eq i32 %50, 24
  br i1 %exitcond47.not, label %22, label %.preheader36, !llvm.loop !11

51:                                               ; preds = %28
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %72

53:                                               ; preds = %22
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @.str.3)
          to label %55 unwind label %25

55:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  %56 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @k) #7
  store ptr %56, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  %57 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @k) #7
  store ptr %57, ptr %4, align 8
  %58 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  br i1 %58, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %67, %55
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #7
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #7
  ret i32 0

.lr.ph:                                           ; preds = %55, %67
  %59 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #7
  %.sroa.0.0.copyload = load i32, ptr %59, align 4
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %59, i64 4
  %.sroa.5.0.copyload = load i32, ptr %.sroa.5.0..sroa_idx, align 4
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef %.sroa.0.0.copyload)
          to label %61 unwind label %70

61:                                               ; preds = %.lr.ph
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef nonnull @.str.4)
          to label %63 unwind label %70

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %62, i32 noundef %.sroa.5.0.copyload)
          to label %65 unwind label %70

65:                                               ; preds = %63
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %64, ptr noundef nonnull @.str.3)
          to label %67 unwind label %70

67:                                               ; preds = %65
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #7
  %69 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #7
  br i1 %69, label %.lr.ph, label %._crit_edge

70:                                               ; preds = %65, %63, %61, %.lr.ph
  %71 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  br label %72

72:                                               ; preds = %41, %51, %70, %25, %20
  %.pn32 = phi { ptr, i32 } [ %21, %20 ], [ %71, %70 ], [ %26, %25 ], [ %42, %41 ], [ %52, %51 ]
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #7
  br label %73

73:                                               ; preds = %72, %6
  %.pn32.pn = phi { ptr, i32 } [ %.pn32, %72 ], [ %7, %6 ]
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn32.pn
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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 @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZSt16next_permutationIPSt4pairIiiEEbT_S3_(ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

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 nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIiiEES4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIiiEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #6 align 2

attributes #0 = { inlinehint 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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