; LLVM IR from eyangch/competitive-programming :: Codeforces/1360 (h)

; 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::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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_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 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.std::bitset" = type { %"struct.std::_Base_bitset" }
%"struct.std::_Base_bitset" = type { i64 }

@T = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::set", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca %"class.std::bitset", align 8
  store i32 0, ptr %1, align 4
  %14 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %16
  %18 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  %19 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @T)
  br label %21

21:                                               ; preds = %132, %0
  %22 = load i32, ptr @T, align 4, !tbaa !8
  %23 = add nsw i32 %22, -1
  store i32 %23, ptr @T, align 4, !tbaa !8
  %24 = icmp ne i32 %22, 0
  br i1 %24, label %25, label %148

25:                                               ; preds = %21
  %26 = 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)
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 4 dereferenceable(4) @M)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %28 = load i32, ptr @M, align 4, !tbaa !8
  %29 = sub nsw i32 %28, 1
  %30 = zext i32 %29 to i64
  %31 = shl i64 1, %30
  %32 = sub nsw i64 %31, 1
  store i64 %32, ptr %2, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 -1, ptr %3, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 48, ptr %4) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !8
  br label %33

33:                                               ; preds = %118, %25
  %34 = load i32, ptr %5, align 4, !tbaa !8
  %35 = load i32, ptr @N, align 4, !tbaa !8
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %122

38:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %40 unwind label %63

40:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %41 = invoke noundef i64 @_ZNSt7__cxx115stollERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef null, i32 noundef 2)
          to label %42 unwind label %67

42:                                               ; preds = %40
  store i64 %41, ptr %9, align 8, !tbaa !11
  %43 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %44 unwind label %67

44:                                               ; preds = %42
  %45 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 0
  %46 = extractvalue { ptr, i8 } %43, 0
  store ptr %46, ptr %45, align 8
  %47 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 1
  %48 = extractvalue { ptr, i8 } %43, 1
  store i8 %48, ptr %47, align 8
  %49 = load i64, ptr %9, align 8, !tbaa !11
  %50 = load i64, ptr %2, align 8, !tbaa !11
  %51 = icmp eq i64 %49, %50
  br i1 %51, label %52, label %82

52:                                               ; preds = %44
  %53 = load i32, ptr %3, align 4, !tbaa !8
  %54 = icmp eq i32 %53, 0
  br i1 %54, label %55, label %72

55:                                               ; preds = %52
  store i32 -1, ptr %3, align 4, !tbaa !8
  br label %56

56:                                               ; preds = %62, %55
  %57 = load i64, ptr %2, align 8, !tbaa !11
  %58 = add nsw i64 %57, -1
  store i64 %58, ptr %2, align 8, !tbaa !11
  %59 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %60 unwind label %67

60:                                               ; preds = %56
  %61 = icmp ne i64 %59, 0
  br i1 %61, label %62, label %71

62:                                               ; preds = %60
  br label %56, !llvm.loop !13

63:                                               ; preds = %38
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %7, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %8, align 4
  br label %121

67:                                               ; preds = %107, %92, %73, %56, %42, %40
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %7, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %121

71:                                               ; preds = %60
  br label %81

72:                                               ; preds = %52
  store i32 0, ptr %3, align 4, !tbaa !8
  br label %73

73:                                               ; preds = %79, %72
  %74 = load i64, ptr %2, align 8, !tbaa !11
  %75 = add nsw i64 %74, 1
  store i64 %75, ptr %2, align 8, !tbaa !11
  %76 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %77 unwind label %67

77:                                               ; preds = %73
  %78 = icmp ne i64 %76, 0
  br i1 %78, label %79, label %80

79:                                               ; preds = %77
  br label %73, !llvm.loop !15

80:                                               ; preds = %77
  br label %81

81:                                               ; preds = %80, %71
  br label %117

82:                                               ; preds = %44
  %83 = load i64, ptr %9, align 8, !tbaa !11
  %84 = load i64, ptr %2, align 8, !tbaa !11
  %85 = icmp slt i64 %83, %84
  br i1 %85, label %86, label %101

86:                                               ; preds = %82
  %87 = load i32, ptr %3, align 4, !tbaa !8
  %88 = add nsw i32 %87, -1
  store i32 %88, ptr %3, align 4, !tbaa !8
  %89 = load i32, ptr %3, align 4, !tbaa !8
  %90 = icmp slt i32 %89, -1
  br i1 %90, label %91, label %100

91:                                               ; preds = %86
  store i32 0, ptr %3, align 4, !tbaa !8
  br label %92

92:                                               ; preds = %98, %91
  %93 = load i64, ptr %2, align 8, !tbaa !11
  %94 = add nsw i64 %93, 1
  store i64 %94, ptr %2, align 8, !tbaa !11
  %95 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %96 unwind label %67

96:                                               ; preds = %92
  %97 = icmp ne i64 %95, 0
  br i1 %97, label %98, label %99

98:                                               ; preds = %96
  br label %92, !llvm.loop !16

99:                                               ; preds = %96
  br label %100

100:                                              ; preds = %99, %86
  br label %116

101:                                              ; preds = %82
  %102 = load i32, ptr %3, align 4, !tbaa !8
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr %3, align 4, !tbaa !8
  %104 = load i32, ptr %3, align 4, !tbaa !8
  %105 = icmp sgt i32 %104, 0
  br i1 %105, label %106, label %115

106:                                              ; preds = %101
  store i32 -1, ptr %3, align 4, !tbaa !8
  br label %107

107:                                              ; preds = %113, %106
  %108 = load i64, ptr %2, align 8, !tbaa !11
  %109 = add nsw i64 %108, -1
  store i64 %109, ptr %2, align 8, !tbaa !11
  %110 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %111 unwind label %67

111:                                              ; preds = %107
  %112 = icmp ne i64 %110, 0
  br i1 %112, label %113, label %114

113:                                              ; preds = %111
  br label %107, !llvm.loop !17

114:                                              ; preds = %111
  br label %115

115:                                              ; preds = %114, %101
  br label %116

116:                                              ; preds = %115, %100
  br label %117

117:                                              ; preds = %116, %81
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %5, align 4, !tbaa !8
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %5, align 4, !tbaa !8
  br label %33, !llvm.loop !18

121:                                              ; preds = %67, %63
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %147

122:                                              ; preds = %37
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %123 = load i64, ptr %2, align 8, !tbaa !11
  call void @_ZNSt6bitsetILm60EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8) %13, i64 noundef %123) #6
  invoke void @_ZNKSt6bitsetILm60EE9to_stringB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef nonnull align 8 dereferenceable(8) %13)
          to label %124 unwind label %133

124:                                              ; preds = %122
  %125 = load i32, ptr @M, align 4, !tbaa !8
  %126 = sub nsw i32 60, %125
  %127 = sext i32 %126 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %12, i64 noundef %127, i64 noundef -1)
          to label %128 unwind label %137

128:                                              ; preds = %124
  %129 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %130 unwind label %141

130:                                              ; preds = %128
  %131 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %129, ptr noundef @.str)
          to label %132 unwind label %141

132:                                              ; preds = %130
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %21, !llvm.loop !19

133:                                              ; preds = %122
  %134 = landingpad { ptr, i32 }
          cleanup
  %135 = extractvalue { ptr, i32 } %134, 0
  store ptr %135, ptr %7, align 8
  %136 = extractvalue { ptr, i32 } %134, 1
  store i32 %136, ptr %8, align 4
  br label %146

137:                                              ; preds = %124
  %138 = landingpad { ptr, i32 }
          cleanup
  %139 = extractvalue { ptr, i32 } %138, 0
  store ptr %139, ptr %7, align 8
  %140 = extractvalue { ptr, i32 } %138, 1
  store i32 %140, ptr %8, align 4
  br label %145

141:                                              ; preds = %130, %128
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %7, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  br label %145

145:                                              ; preds = %141, %137
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #6
  br label %146

146:                                              ; preds = %145, %133
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  br label %147

147:                                              ; preds = %146, %121
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %150

148:                                              ; preds = %21
  %149 = load i32, ptr %1, align 4
  ret i32 %149

150:                                              ; preds = %147
  %151 = load ptr, ptr %7, align 8
  %152 = load i32, ptr %8, align 4
  %153 = insertvalue { ptr, i32 } poison, ptr %151, 0
  %154 = insertvalue { ptr, i32 } %153, i32 %152, 1
  resume { ptr, i32 } %154
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZNSt7__cxx115stollERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6bitsetILm60EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt6bitsetILm60EE9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}
!18 = distinct !{!18, !14}
!19 = distinct !{!19, !14}


; 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::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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_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 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::bitset" = type { %"struct.std::_Base_bitset" }
%"struct.std::_Base_bitset" = type { i64 }

@T = external dso_local global i32, align 4
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::set", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::bitset", align 8
  %8 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %10
  %12 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %11, ptr noundef null)
  %13 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %14 = 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) @T)
  %15 = load i32, ptr @T, align 4, !tbaa !8
  %16 = add nsw i32 %15, -1
  store i32 %16, ptr @T, align 4, !tbaa !8
  %.not46 = icmp eq i32 %15, 0
  br i1 %.not46, label %._crit_edge49, label %.lr.ph48

.lr.ph48:                                         ; preds = %0, %73
  %17 = 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)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) @M)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %19 = load i32, ptr @M, align 4, !tbaa !8
  %20 = add nsw i32 %19, -1
  %21 = zext nneg i32 %20 to i64
  %notmask = shl nsw i64 -1, %21
  %22 = xor i64 %notmask, -1
  store i64 %22, ptr %1, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %2) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  %23 = load i32, ptr @N, align 4, !tbaa !8
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.loopexit29, %.lr.ph48
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %25 = load i64, ptr %1, align 8, !tbaa !11
  call void @_ZNSt6bitsetILm60EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8) %7, i64 noundef %25) #6
  invoke void @_ZNKSt6bitsetILm60EE9to_stringB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %65 unwind label %76

.lr.ph:                                           ; preds = %.lr.ph48, %.loopexit29
  %.045 = phi i32 [ %.1, %.loopexit29 ], [ -1, %.lr.ph48 ]
  %.0944 = phi i32 [ %61, %.loopexit29 ], [ 0, %.lr.ph48 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %27 unwind label %41

27:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %28 = invoke noundef i64 @_ZNSt7__cxx115stollERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef null, i32 noundef 2)
          to label %29 unwind label %.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp

29:                                               ; preds = %27
  store i64 %28, ptr %4, align 8, !tbaa !11
  %30 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %31 unwind label %.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp

31:                                               ; preds = %29
  %32 = load i64, ptr %4, align 8, !tbaa !11
  %33 = load i64, ptr %1, align 8, !tbaa !11
  %34 = icmp eq i64 %32, %33
  br i1 %34, label %35, label %47

35:                                               ; preds = %31
  %36 = icmp eq i32 %.045, 0
  br i1 %36, label %.preheader, label %.preheader30

.preheader:                                       ; preds = %35, %40
  %37 = load i64, ptr %1, align 8, !tbaa !11
  %38 = add nsw i64 %37, -1
  store i64 %38, ptr %1, align 8, !tbaa !11
  %39 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %40 unwind label %.loopexit

40:                                               ; preds = %.preheader
  %.not28 = icmp eq i64 %39, 0
  br i1 %.not28, label %.loopexit29, label %.preheader, !llvm.loop !13

41:                                               ; preds = %.lr.ph
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %64

.loopexit:                                        ; preds = %.preheader
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit:                      ; preds = %.preheader30
  %lpad.loopexit31 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit.split-lp.loopexit:    ; preds = %.preheader35
  %lpad.loopexit36 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit: ; preds = %.preheader39
  %lpad.loopexit40 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp: ; preds = %29, %27
  %lpad.loopexit.split-lp41 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit.split-lp

.loopexit.split-lp:                               ; preds = %.loopexit.split-lp.loopexit, %.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit, %.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp, %.loopexit.split-lp.loopexit.split-lp.loopexit, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit31, %.loopexit.split-lp.loopexit ], [ %lpad.loopexit36, %.loopexit.split-lp.loopexit.split-lp.loopexit ], [ %lpad.loopexit40, %.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit ], [ %lpad.loopexit.split-lp41, %.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  br label %64

.preheader30:                                     ; preds = %35, %46
  %43 = load i64, ptr %1, align 8, !tbaa !11
  %44 = add nsw i64 %43, 1
  store i64 %44, ptr %1, align 8, !tbaa !11
  %45 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %46 unwind label %.loopexit.split-lp.loopexit

46:                                               ; preds = %.preheader30
  %.not24 = icmp eq i64 %45, 0
  br i1 %.not24, label %.loopexit29, label %.preheader30, !llvm.loop !15

47:                                               ; preds = %31
  %48 = icmp slt i64 %32, %33
  br i1 %48, label %49, label %55

49:                                               ; preds = %47
  %50 = icmp slt i32 %.045, 0
  br i1 %50, label %.preheader35, label %.loopexit29

.preheader35:                                     ; preds = %49, %54
  %51 = load i64, ptr %1, align 8, !tbaa !11
  %52 = add nsw i64 %51, 1
  store i64 %52, ptr %1, align 8, !tbaa !11
  %53 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %54 unwind label %.loopexit.split-lp.loopexit.split-lp.loopexit

54:                                               ; preds = %.preheader35
  %.not23 = icmp eq i64 %53, 0
  br i1 %.not23, label %.loopexit29, label %.preheader35, !llvm.loop !16

55:                                               ; preds = %47
  %56 = icmp sgt i32 %.045, -1
  br i1 %56, label %.preheader39, label %.loopexit29

.preheader39:                                     ; preds = %55, %60
  %57 = load i64, ptr %1, align 8, !tbaa !11
  %58 = add nsw i64 %57, -1
  store i64 %58, ptr %1, align 8, !tbaa !11
  %59 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %60 unwind label %.loopexit.split-lp.loopexit.split-lp.loopexit.split-lp.loopexit

60:                                               ; preds = %.preheader39
  %.not22 = icmp eq i64 %59, 0
  br i1 %.not22, label %.loopexit29, label %.preheader39, !llvm.loop !17

.loopexit29:                                      ; preds = %60, %54, %46, %40, %49, %55
  %.1 = phi i32 [ -1, %49 ], [ 0, %55 ], [ -1, %40 ], [ 0, %46 ], [ 0, %54 ], [ -1, %60 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  %61 = add nuw nsw i32 %.0944, 1
  %62 = load i32, ptr @N, align 4, !tbaa !8
  %63 = icmp slt i32 %61, %62
  br i1 %63, label %.lr.ph, label %._crit_edge, !llvm.loop !18

64:                                               ; preds = %.loopexit.split-lp, %41
  %.pn25 = phi { ptr, i32 } [ %lpad.phi, %.loopexit.split-lp ], [ %42, %41 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  br label %84

65:                                               ; preds = %._crit_edge
  %66 = load i32, ptr @M, align 4, !tbaa !8
  %67 = sub nsw i32 60, %66
  %68 = sext i32 %67 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %68, i64 noundef -1)
          to label %69 unwind label %78

69:                                               ; preds = %65
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %71 unwind label %80

71:                                               ; preds = %69
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %70, ptr noundef nonnull @.str)
          to label %73 unwind label %80

73:                                               ; preds = %71
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #6
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  %74 = load i32, ptr @T, align 4, !tbaa !8
  %75 = add nsw i32 %74, -1
  store i32 %75, ptr @T, align 4, !tbaa !8
  %.not = icmp eq i32 %74, 0
  br i1 %.not, label %._crit_edge49, label %.lr.ph48, !llvm.loop !19

76:                                               ; preds = %._crit_edge
  %77 = landingpad { ptr, i32 }
          cleanup
  br label %83

78:                                               ; preds = %65
  %79 = landingpad { ptr, i32 }
          cleanup
  br label %82

80:                                               ; preds = %71, %69
  %81 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  br label %82

82:                                               ; preds = %80, %78
  %.pn = phi { ptr, i32 } [ %81, %80 ], [ %79, %78 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  br label %83

83:                                               ; preds = %82, %76
  %.pn.pn = phi { ptr, i32 } [ %.pn, %82 ], [ %77, %76 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #6
  br label %84

84:                                               ; preds = %83, %64
  %.pn25.pn = phi { ptr, i32 } [ %.pn25, %64 ], [ %.pn.pn, %83 ]
  call void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn25.pn

._crit_edge49:                                    ; preds = %73, %0
  ret i32 0
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #1 align 2

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

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 #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZNSt7__cxx115stollERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; 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 #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6bitsetILm60EEC2Ey(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNKSt6bitsetILm60EE9to_stringB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIxSt4lessIxESaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress 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 #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}
!18 = distinct !{!18, !14}
!19 = distinct !{!19, !14}


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