; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Random Problems/E. Permutation by Sum.ll (Z5solvev)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long, long, std::_Identity<long>, std::less<long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long, long, std::_Identity<long>, std::less<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 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_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
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::set", align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca i32, align 4
  %13 = alloca i64, align 8
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %16 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %17 = alloca ptr, align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca i64, align 8
  %21 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %22 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %23 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = load i64, ptr %2, align 8, !tbaa !5
  %30 = sub nsw i64 %28, %29
  %31 = add nsw i64 %30, 1
  store i64 %31, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr %7) #6
  call void @_ZNSt3setIlSt4lessIlESaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %32 = load i64, ptr %1, align 8, !tbaa !5
  store i64 %32, ptr %8, align 8, !tbaa !5
  br label %33

33:                                               ; preds = %69, %0
  %34 = load i64, ptr %8, align 8, !tbaa !5
  %35 = icmp sgt i64 %34, 0
  br i1 %35, label %37, label %36

36:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %72

37:                                               ; preds = %33
  %38 = load i64, ptr %6, align 8, !tbaa !5
  %39 = load i64, ptr %6, align 8, !tbaa !5
  %40 = sub nsw i64 %39, 1
  %41 = mul nsw i64 %38, %40
  %42 = sdiv i64 %41, 2
  %43 = load i64, ptr %4, align 8, !tbaa !5
  %44 = load i64, ptr %8, align 8, !tbaa !5
  %45 = sub nsw i64 %43, %44
  %46 = icmp sle i64 %42, %45
  br i1 %46, label %47, label %61

47:                                               ; preds = %37
  %48 = load i64, ptr %6, align 8, !tbaa !5
  %49 = icmp sgt i64 %48, 0
  br i1 %49, label %50, label %61

50:                                               ; preds = %47
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %51 unwind label %57

51:                                               ; preds = %50
  %52 = load i64, ptr %8, align 8, !tbaa !5
  %53 = load i64, ptr %4, align 8, !tbaa !5
  %54 = sub nsw i64 %53, %52
  store i64 %54, ptr %4, align 8, !tbaa !5
  %55 = load i64, ptr %6, align 8, !tbaa !5
  %56 = add nsw i64 %55, -1
  store i64 %56, ptr %6, align 8, !tbaa !5
  br label %68

57:                                               ; preds = %61, %50
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %9, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %173

61:                                               ; preds = %47, %37
  %62 = invoke { ptr, i8 } @_ZNSt3setIlSt4lessIlESaIlEE6insertERKl(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %63 unwind label %57

63:                                               ; preds = %61
  %64 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 0
  %65 = extractvalue { ptr, i8 } %62, 0
  store ptr %65, ptr %64, align 8
  %66 = getelementptr inbounds { ptr, i8 }, ptr %11, i32 0, i32 1
  %67 = extractvalue { ptr, i8 } %62, 1
  store i8 %67, ptr %66, align 8
  br label %68

68:                                               ; preds = %63, %51
  br label %69

69:                                               ; preds = %68
  %70 = load i64, ptr %8, align 8, !tbaa !5
  %71 = add nsw i64 %70, -1
  store i64 %71, ptr %8, align 8, !tbaa !5
  br label %33, !llvm.loop !9

72:                                               ; preds = %36
  %73 = load i64, ptr %4, align 8, !tbaa !5
  %74 = icmp ne i64 %73, 0
  br i1 %74, label %75, label %84

75:                                               ; preds = %72
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef -1)
          to label %77 unwind label %80

77:                                               ; preds = %75
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %76, ptr noundef @.str)
          to label %79 unwind label %80

79:                                               ; preds = %77
  store i32 1, ptr %12, align 4
  br label %170

80:                                               ; preds = %167, %155, %77, %75
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %9, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %10, align 4
  br label %173

84:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !5
  br label %85

85:                                               ; preds = %107, %84
  %86 = load i64, ptr %13, align 8, !tbaa !5
  %87 = load i64, ptr %2, align 8, !tbaa !5
  %88 = sub nsw i64 %87, 1
  %89 = icmp slt i64 %86, %88
  br i1 %89, label %91, label %90

90:                                               ; preds = %85
  store i32 5, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %119

91:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %92 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  %93 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %92, ptr %93, align 8
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIlEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  %95 = load i64, ptr %94, align 8, !tbaa !5
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %95)
          to label %97 unwind label %110

97:                                               ; preds = %91
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef @.str.1)
          to label %99 unwind label %110

99:                                               ; preds = %97
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  %100 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  %101 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %15, i32 0, i32 0
  store ptr %100, ptr %101, align 8
  %102 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %15, i32 0, i32 0
  %103 = load ptr, ptr %102, align 8
  %104 = invoke ptr @_ZNSt3setIlSt4lessIlESaIlEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIlE(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr %103)
          to label %105 unwind label %114

105:                                              ; preds = %99
  %106 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %16, i32 0, i32 0
  store ptr %104, ptr %106, align 8
  br label %107

107:                                              ; preds = %105
  %108 = load i64, ptr %13, align 8, !tbaa !5
  %109 = add nsw i64 %108, 1
  store i64 %109, ptr %13, align 8, !tbaa !5
  br label %85, !llvm.loop !11

110:                                              ; preds = %97, %91
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %9, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %118

114:                                              ; preds = %99
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %9, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %10, align 4
  br label %118

118:                                              ; preds = %114, %110
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %173

119:                                              ; preds = %90
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  store ptr %5, ptr %17, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %120 = load ptr, ptr %17, align 8, !tbaa !12
  %121 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %120) #6
  %122 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %121, ptr %122, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  %123 = load ptr, ptr %17, align 8, !tbaa !12
  %124 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %123) #6
  %125 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %124, ptr %125, align 8
  br label %126

126:                                              ; preds = %137, %119
  %127 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPlSt6vectorIlSaIlEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 8 dereferenceable(8) %19) #6
  br i1 %127, label %129, label %128

128:                                              ; preds = %126
  store i32 8, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %143

129:                                              ; preds = %126
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #6
  %130 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %131 = load i64, ptr %130, align 8, !tbaa !5
  store i64 %131, ptr %20, align 8, !tbaa !5
  %132 = load i64, ptr %20, align 8, !tbaa !5
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %132)
          to label %134 unwind label %139

134:                                              ; preds = %129
  %135 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %133, ptr noundef @.str.1)
          to label %136 unwind label %139

136:                                              ; preds = %134
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  br label %137

137:                                              ; preds = %136
  %138 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  br label %126

139:                                              ; preds = %134, %129
  %140 = landingpad { ptr, i32 }
          cleanup
  %141 = extractvalue { ptr, i32 } %140, 0
  store ptr %141, ptr %9, align 8
  %142 = extractvalue { ptr, i32 } %140, 1
  store i32 %142, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %173

143:                                              ; preds = %128
  br label %144

144:                                              ; preds = %161, %143
  %145 = call noundef zeroext i1 @_ZNKSt3setIlSt4lessIlESaIlEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  %146 = xor i1 %145, true
  br i1 %146, label %147, label %167

147:                                              ; preds = %144
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  %148 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  %149 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %21, i32 0, i32 0
  store ptr %148, ptr %149, align 8
  %150 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIlEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  %151 = load i64, ptr %150, align 8, !tbaa !5
  %152 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %151)
          to label %153 unwind label %163

153:                                              ; preds = %147
  %154 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %152, ptr noundef @.str.1)
          to label %155 unwind label %163

155:                                              ; preds = %153
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  %156 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  %157 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %22, i32 0, i32 0
  store ptr %156, ptr %157, align 8
  %158 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %22, i32 0, i32 0
  %159 = load ptr, ptr %158, align 8
  %160 = invoke ptr @_ZNSt3setIlSt4lessIlESaIlEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIlE(ptr noundef nonnull align 8 dereferenceable(48) %7, ptr %159)
          to label %161 unwind label %80

161:                                              ; preds = %155
  %162 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %23, i32 0, i32 0
  store ptr %160, ptr %162, align 8
  br label %144, !llvm.loop !14

163:                                              ; preds = %153, %147
  %164 = landingpad { ptr, i32 }
          cleanup
  %165 = extractvalue { ptr, i32 } %164, 0
  store ptr %165, ptr %9, align 8
  %166 = extractvalue { ptr, i32 } %164, 1
  store i32 %166, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  br label %173

167:                                              ; preds = %144
  %168 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %169 unwind label %80

169:                                              ; preds = %167
  store i32 0, ptr %12, align 4
  br label %170

170:                                              ; preds = %169, %79
  call void @_ZNSt3setIlSt4lessIlESaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #6
  %171 = load i32, ptr %12, align 4
  switch i32 %171, label %179 [
    i32 0, label %172
    i32 1, label %172
  ]

172:                                              ; preds = %170, %170
  ret void

173:                                              ; preds = %163, %139, %118, %80, %57
  call void @_ZNSt3setIlSt4lessIlESaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #6
  br label %174

174:                                              ; preds = %173
  %175 = load ptr, ptr %9, align 8
  %176 = load i32, ptr %10, align 4
  %177 = insertvalue { ptr, i32 } poison, ptr %175, 0
  %178 = insertvalue { ptr, i32 } %177, i32 %176, 1
  resume { ptr, i32 } %178

179:                                              ; preds = %170
  unreachable
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIlSt4lessIlESaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIlSt4lessIlESaIlEE6insertERKl(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

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

; 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) #3

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIlEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIlSt4lessIlESaIlEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIlE(ptr noundef nonnull align 8 dereferenceable(48), ptr) #0 align 2

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPlSt6vectorIlSaIlEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt3setIlSt4lessIlESaIlEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIlSt4lessIlESaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #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 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 #6 = { nounwind }

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

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


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long, long, std::_Identity<long>, std::less<long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long, long, std::_Identity<long>, std::less<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 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_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
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::set", align 8
  %7 = alloca i64, align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %16 = load i64, ptr %3, align 8, !tbaa !5
  %17 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt3setIlSt4lessIlESaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %18 = load i64, ptr %1, align 8, !tbaa !5
  store i64 %18, ptr %7, align 8, !tbaa !5
  %19 = icmp sgt i64 %18, 0
  br i1 %19, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %0
  %20 = add i64 %16, 1
  %21 = sub i64 %20, %17
  br label %.lr.ph

._crit_edge:                                      ; preds = %41, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %22 = load i64, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i64 %22, 0
  br i1 %.not, label %.preheader, label %45

.preheader:                                       ; preds = %._crit_edge
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = icmp sgt i64 %23, 1
  br i1 %24, label %.lr.ph27, label %._crit_edge28

.lr.ph:                                           ; preds = %.lr.ph.preheader, %41
  %.025 = phi i64 [ %.1, %41 ], [ %21, %.lr.ph.preheader ]
  %storemerge24 = phi i64 [ %43, %41 ], [ %18, %.lr.ph.preheader ]
  %25 = add nsw i64 %.025, -1
  %26 = mul nsw i64 %25, %.025
  %27 = sdiv i64 %26, 2
  %28 = load i64, ptr %4, align 8, !tbaa !5
  %29 = sub nsw i64 %28, %storemerge24
  %30 = icmp sle i64 %27, %29
  %31 = icmp sgt i64 %.025, 0
  %or.cond = and i1 %30, %31
  br i1 %or.cond, label %32, label %39

32:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %33 unwind label %37

33:                                               ; preds = %32
  %34 = load i64, ptr %7, align 8, !tbaa !5
  %35 = load i64, ptr %4, align 8, !tbaa !5
  %36 = sub nsw i64 %35, %34
  store i64 %36, ptr %4, align 8, !tbaa !5
  br label %41

37:                                               ; preds = %39, %32
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %95

39:                                               ; preds = %.lr.ph
  %40 = invoke { ptr, i8 } @_ZNSt3setIlSt4lessIlESaIlEE6insertERKl(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %._crit_edge32 unwind label %37

._crit_edge32:                                    ; preds = %39
  %.pre = load i64, ptr %7, align 8, !tbaa !5
  br label %41

41:                                               ; preds = %._crit_edge32, %33
  %42 = phi i64 [ %34, %33 ], [ %.pre, %._crit_edge32 ]
  %.1 = phi i64 [ %25, %33 ], [ %.025, %._crit_edge32 ]
  %43 = add nsw i64 %42, -1
  store i64 %43, ptr %7, align 8, !tbaa !5
  %44 = icmp sgt i64 %42, 1
  br i1 %44, label %.lr.ph, label %._crit_edge, !llvm.loop !9

45:                                               ; preds = %._crit_edge
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef -1)
          to label %.invoke unwind label %.loopexit.split-lp

.invoke:                                          ; preds = %80, %45
  %47 = phi ptr [ %46, %45 ], [ @_ZSt4cout, %80 ]
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %47, ptr noundef nonnull @.str)
          to label %94 unwind label %.loopexit.split-lp

.loopexit:                                        ; preds = %89
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %95

.loopexit.split-lp:                               ; preds = %.invoke, %45
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %95

._crit_edge28:                                    ; preds = %61, %.preheader
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %49 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  store ptr %49, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %50 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  store ptr %50, ptr %10, align 8
  %51 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPlSt6vectorIlSaIlEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br i1 %51, label %.lr.ph30, label %._crit_edge31

.lr.ph27:                                         ; preds = %.preheader, %61
  %.01926 = phi i64 [ %62, %61 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %52 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  store ptr %52, ptr %8, align 8
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIlEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  %54 = load i64, ptr %53, align 8, !tbaa !5
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %54)
          to label %56 unwind label %66

56:                                               ; preds = %.lr.ph27
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef nonnull @.str.1)
          to label %58 unwind label %66

58:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  %59 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %60 = invoke ptr @_ZNSt3setIlSt4lessIlESaIlEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIlE(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr %59)
          to label %61 unwind label %68

61:                                               ; preds = %58
  %62 = add nuw nsw i64 %.01926, 1
  %63 = load i64, ptr %2, align 8, !tbaa !5
  %64 = add nsw i64 %63, -1
  %65 = icmp slt i64 %62, %64
  br i1 %65, label %.lr.ph27, label %._crit_edge28, !llvm.loop !11

66:                                               ; preds = %56, %.lr.ph27
  %67 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  br label %95

68:                                               ; preds = %58
  %69 = landingpad { ptr, i32 }
          cleanup
  br label %95

._crit_edge31:                                    ; preds = %75, %._crit_edge28
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  br label %80

.lr.ph30:                                         ; preds = %._crit_edge28, %75
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  %71 = load i64, ptr %70, align 8, !tbaa !5
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %71)
          to label %73 unwind label %78

73:                                               ; preds = %.lr.ph30
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %72, ptr noundef nonnull @.str.1)
          to label %75 unwind label %78

75:                                               ; preds = %73
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  %77 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPlSt6vectorIlSaIlEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br i1 %77, label %.lr.ph30, label %._crit_edge31

78:                                               ; preds = %73, %.lr.ph30
  %79 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  br label %95

80:                                               ; preds = %89, %._crit_edge31
  %81 = call noundef zeroext i1 @_ZNKSt3setIlSt4lessIlESaIlEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  br i1 %81, label %.invoke, label %82

82:                                               ; preds = %80
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  %83 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  store ptr %83, ptr %11, align 8
  %84 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIlEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  %85 = load i64, ptr %84, align 8, !tbaa !5
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %85)
          to label %87 unwind label %92

87:                                               ; preds = %82
  %88 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %86, ptr noundef nonnull @.str.1)
          to label %89 unwind label %92

89:                                               ; preds = %87
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  %90 = call ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  %91 = invoke ptr @_ZNSt3setIlSt4lessIlESaIlEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIlE(ptr noundef nonnull align 8 dereferenceable(48) %6, ptr %90)
          to label %80 unwind label %.loopexit, !llvm.loop !12

92:                                               ; preds = %87, %82
  %93 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  br label %95

94:                                               ; preds = %.invoke
  call void @_ZNSt3setIlSt4lessIlESaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret void

95:                                               ; preds = %.loopexit, %.loopexit.split-lp, %66, %68, %92, %78, %37
  %.pn22 = phi { ptr, i32 } [ %38, %37 ], [ %79, %78 ], [ %93, %92 ], [ %69, %68 ], [ %67, %66 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt3setIlSt4lessIlESaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %6) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %6) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn22
}

; 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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIlSt4lessIlESaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIlSt4lessIlESaIlEE6insertERKl(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

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

; 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 #3

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIlSt4lessIlESaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIlEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIlSt4lessIlESaIlEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIlE(ptr noundef nonnull align 8 dereferenceable(48), ptr) local_unnamed_addr #0 align 2

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPlSt6vectorIlSaIlEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt3setIlSt4lessIlESaIlEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIlSt4lessIlESaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #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 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 #6 = { nounwind }

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

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


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