; LLVM IR from Tudor67/Competitive-Programming :: AtCoder/ABC333 (G_sol2_stern_brocot_trees_O(30xN)_time_TLE)

; 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::__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.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.1" = type { i8 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; 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: mustprogress uwtable
define dso_local void @_Z4multNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1, ptr noundef %2) #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.std::vector", align 8
  %14 = alloca %"class.std::allocator.1", align 1
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca i32, align 4
  %21 = alloca i1, align 1
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %23 = trunc i64 %22 to i32
  store i32 %23, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %24 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %25 = trunc i64 %24 to i32
  store i32 %25, ptr %8, align 4, !tbaa !9
  %26 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  %28 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %28, ptr %29, align 8
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8
  %32 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8
  call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %31, ptr %33)
  %34 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %35 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %34, ptr %35, align 8
  %36 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %37 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %36, ptr %37, align 8
  %38 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8
  %40 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8
  call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %39, ptr %41)
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #5
  %42 = load i32, ptr %7, align 4, !tbaa !9
  %43 = load i32, ptr %8, align 4, !tbaa !9
  %44 = add nsw i32 %42, %43
  %45 = add nsw i32 %44, 1
  %46 = sext i32 %45 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %46, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %47 unwind label %53

47:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  store i32 0, ptr %17, align 4, !tbaa !9
  br label %48

48:                                               ; preds = %94, %47
  %49 = load i32, ptr %17, align 4, !tbaa !9
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %57, label %52

52:                                               ; preds = %48
  store i32 2, ptr %18, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %97

53:                                               ; preds = %3
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %15, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %16, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #5
  br label %156

57:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #5
  store i32 0, ptr %19, align 4, !tbaa !9
  br label %58

58:                                               ; preds = %86, %57
  %59 = load i32, ptr %19, align 4, !tbaa !9
  %60 = load i32, ptr %8, align 4, !tbaa !9
  %61 = icmp slt i32 %59, %60
  br i1 %61, label %63, label %62

62:                                               ; preds = %58
  store i32 5, ptr %18, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  br label %93

63:                                               ; preds = %58
  %64 = load i32, ptr %17, align 4, !tbaa !9
  %65 = sext i32 %64 to i64
  %66 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %65)
          to label %67 unwind label %89

67:                                               ; preds = %63
  %68 = load i8, ptr %66, align 1, !tbaa !11
  %69 = sext i8 %68 to i32
  %70 = sub nsw i32 %69, 48
  %71 = load i32, ptr %19, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %72)
          to label %74 unwind label %89

74:                                               ; preds = %67
  %75 = load i8, ptr %73, align 1, !tbaa !11
  %76 = sext i8 %75 to i32
  %77 = sub nsw i32 %76, 48
  %78 = mul nsw i32 %70, %77
  %79 = load i32, ptr %17, align 4, !tbaa !9
  %80 = load i32, ptr %19, align 4, !tbaa !9
  %81 = add nsw i32 %79, %80
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %82) #5
  %84 = load i32, ptr %83, align 4, !tbaa !9
  %85 = add nsw i32 %84, %78
  store i32 %85, ptr %83, align 4, !tbaa !9
  br label %86

86:                                               ; preds = %74
  %87 = load i32, ptr %19, align 4, !tbaa !9
  %88 = add nsw i32 %87, 1
  store i32 %88, ptr %19, align 4, !tbaa !9
  br label %58, !llvm.loop !12

89:                                               ; preds = %67, %63
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %15, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %155

93:                                               ; preds = %62
  br label %94

94:                                               ; preds = %93
  %95 = load i32, ptr %17, align 4, !tbaa !9
  %96 = add nsw i32 %95, 1
  store i32 %96, ptr %17, align 4, !tbaa !9
  br label %48, !llvm.loop !14

97:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #5
  store i32 0, ptr %20, align 4, !tbaa !9
  br label %98

98:                                               ; preds = %122, %97
  %99 = load i32, ptr %20, align 4, !tbaa !9
  %100 = add nsw i32 %99, 1
  %101 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %102 = trunc i64 %101 to i32
  %103 = icmp slt i32 %100, %102
  br i1 %103, label %105, label %104

104:                                              ; preds = %98
  store i32 8, ptr %18, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #5
  br label %125

105:                                              ; preds = %98
  %106 = load i32, ptr %20, align 4, !tbaa !9
  %107 = sext i32 %106 to i64
  %108 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %107) #5
  %109 = load i32, ptr %108, align 4, !tbaa !9
  %110 = sdiv i32 %109, 10
  %111 = load i32, ptr %20, align 4, !tbaa !9
  %112 = add nsw i32 %111, 1
  %113 = sext i32 %112 to i64
  %114 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %113) #5
  %115 = load i32, ptr %114, align 4, !tbaa !9
  %116 = add nsw i32 %115, %110
  store i32 %116, ptr %114, align 4, !tbaa !9
  %117 = load i32, ptr %20, align 4, !tbaa !9
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %118) #5
  %120 = load i32, ptr %119, align 4, !tbaa !9
  %121 = srem i32 %120, 10
  store i32 %121, ptr %119, align 4, !tbaa !9
  br label %122

122:                                              ; preds = %105
  %123 = load i32, ptr %20, align 4, !tbaa !9
  %124 = add nsw i32 %123, 1
  store i32 %124, ptr %20, align 4, !tbaa !9
  br label %98, !llvm.loop !15

125:                                              ; preds = %104
  br label %126

126:                                              ; preds = %134, %125
  %127 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  br i1 %127, label %132, label %128

128:                                              ; preds = %126
  %129 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %130 = load i32, ptr %129, align 4, !tbaa !9
  %131 = icmp eq i32 %130, 0
  br label %132

132:                                              ; preds = %128, %126
  %133 = phi i1 [ false, %126 ], [ %131, %128 ]
  br i1 %133, label %134, label %135

134:                                              ; preds = %132
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  br label %126, !llvm.loop !16

135:                                              ; preds = %132
  store i1 false, ptr %21, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %136 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %136)
          to label %137 unwind label %147

137:                                              ; preds = %135
  br label %138

138:                                              ; preds = %146, %137
  %139 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %140 = xor i1 %139, true
  br i1 %140, label %141, label %151

141:                                              ; preds = %138
  %142 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %143 = load i32, ptr %142, align 4, !tbaa !9
  %144 = add nsw i32 48, %143
  %145 = trunc i32 %144 to i8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %145)
          to label %146 unwind label %147

146:                                              ; preds = %141
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  br label %138, !llvm.loop !17

147:                                              ; preds = %141, %135
  %148 = landingpad { ptr, i32 }
          cleanup
  %149 = extractvalue { ptr, i32 } %148, 0
  store ptr %149, ptr %15, align 8
  %150 = extractvalue { ptr, i32 } %148, 1
  store i32 %150, ptr %16, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %155

151:                                              ; preds = %138
  store i1 true, ptr %21, align 1
  store i32 1, ptr %18, align 4
  %152 = load i1, ptr %21, align 1
  br i1 %152, label %154, label %153

153:                                              ; preds = %151
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  br label %154

154:                                              ; preds = %153, %151
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void

155:                                              ; preds = %147, %89
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  br label %156

156:                                              ; preds = %155, %53
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %157

157:                                              ; preds = %156
  %158 = load ptr, ptr %15, align 8
  %159 = load i32, ptr %16, align 4
  %160 = insertvalue { ptr, i32 } poison, ptr %158, 0
  %161 = insertvalue { ptr, i32 } %160, i32 %159, 1
  resume { ptr, i32 } %161
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) #3

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) #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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

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

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


; 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::__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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.1" = type { i8 }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; 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: mustprogress uwtable
define dso_local void @_Z4multNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES4_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull %1, ptr noundef %2) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator.1", align 1
  %6 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %7 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %8 = tail call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  %9 = tail call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  tail call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %8, ptr %9)
  %10 = tail call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %11 = tail call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  tail call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %10, ptr %11)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  %12 = add i64 %7, %6
  %13 = shl i64 %12, 32
  %sext = add i64 %13, 4294967296
  %14 = ashr exact i64 %sext, 32
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %15 unwind label %37

15:                                               ; preds = %3
  %16 = trunc i64 %7 to i32
  %17 = trunc i64 %6 to i32
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  %18 = icmp sgt i32 %17, 0
  %19 = icmp sgt i32 %16, 0
  %or.cond = and i1 %18, %19
  br i1 %or.cond, label %.preheader30.us.preheader, label %.preheader29

.preheader30.us.preheader:                        ; preds = %15
  %wide.trip.count42 = and i64 %6, 2147483647
  %wide.trip.count = and i64 %7, 2147483647
  br label %.preheader30.us

.preheader30.us:                                  ; preds = %.preheader30.us.preheader, %._crit_edge.us
  %indvars.iv39 = phi i64 [ 0, %.preheader30.us.preheader ], [ %indvars.iv.next40, %._crit_edge.us ]
  br label %20

20:                                               ; preds = %.preheader30.us, %20
  %indvars.iv = phi i64 [ 0, %.preheader30.us ], [ %indvars.iv.next, %20 ]
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv39)
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = sext i8 %22 to i32
  %24 = add nsw i32 %23, -48
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = sext i8 %26 to i32
  %28 = add nsw i32 %27, -48
  %29 = mul nsw i32 %28, %24
  %30 = add nuw nsw i64 %indvars.iv, %indvars.iv39
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %30) #5
  %32 = load i32, ptr %31, align 4, !tbaa !8
  %33 = add nsw i32 %29, %32
  store i32 %33, ptr %31, align 4, !tbaa !8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge.us, label %20, !llvm.loop !10

._crit_edge.us:                                   ; preds = %20
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  %exitcond43.not = icmp eq i64 %indvars.iv.next40, %wide.trip.count42
  br i1 %exitcond43.not, label %.preheader29, label %.preheader30.us, !llvm.loop !12

.preheader29:                                     ; preds = %._crit_edge.us, %15
  %34 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %35 = trunc i64 %34 to i32
  %36 = icmp sgt i32 %35, 1
  br i1 %36, label %.lr.ph, label %.preheader28

37:                                               ; preds = %3
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %66

.preheader28:                                     ; preds = %.lr.ph, %.preheader29
  %39 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br i1 %39, label %.critedge, label %.lr.ph34

.lr.ph:                                           ; preds = %.preheader29, %.lr.ph
  %indvars.iv46 = phi i64 [ %indvars.iv.next47, %.lr.ph ], [ 0, %.preheader29 ]
  %indvars.iv44 = phi i64 [ %indvars.iv.next45, %.lr.ph ], [ 1, %.preheader29 ]
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv46) #5
  %41 = load i32, ptr %40, align 4, !tbaa !8
  %42 = sdiv i32 %41, 10
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv44) #5
  %44 = load i32, ptr %43, align 4, !tbaa !8
  %45 = add nsw i32 %44, %42
  store i32 %45, ptr %43, align 4, !tbaa !8
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv46) #5
  %47 = load i32, ptr %46, align 4, !tbaa !8
  %48 = srem i32 %47, 10
  store i32 %48, ptr %46, align 4, !tbaa !8
  %indvars.iv.next45 = add nuw nsw i64 %indvars.iv44, 1
  %49 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %sext51 = shl i64 %49, 32
  %50 = ashr exact i64 %sext51, 32
  %51 = icmp slt i64 %indvars.iv.next45, %50
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  br i1 %51, label %.lr.ph, label %.preheader28, !llvm.loop !13

.lr.ph34:                                         ; preds = %.preheader28, %55
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %53 = load i32, ptr %52, align 4, !tbaa !8
  %54 = icmp eq i32 %53, 0
  br i1 %54, label %55, label %.critedge

55:                                               ; preds = %.lr.ph34
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %56 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br i1 %56, label %.critedge, label %.lr.ph34, !llvm.loop !14

.critedge:                                        ; preds = %.lr.ph34, %55, %.preheader28
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %57 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %57)
          to label %.preheader unwind label %.loopexit.split-lp

.preheader:                                       ; preds = %.critedge
  %58 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br i1 %58, label %._crit_edge, label %.lr.ph36

.lr.ph36:                                         ; preds = %.preheader, %63
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %60 = load i32, ptr %59, align 4, !tbaa !8
  %61 = trunc i32 %60 to i8
  %62 = add i8 %61, 48
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %0, i8 noundef signext %62)
          to label %63 unwind label %.loopexit

63:                                               ; preds = %.lr.ph36
  call void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %64 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br i1 %64, label %._crit_edge, label %.lr.ph36, !llvm.loop !15

.loopexit:                                        ; preds = %.lr.ph36
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %65

.loopexit.split-lp:                               ; preds = %.critedge
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %65

65:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %66

._crit_edge:                                      ; preds = %63, %.preheader
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  ret void

66:                                               ; preds = %65, %37
  %.pn = phi { ptr, i32 } [ %lpad.phi, %65 ], [ %38, %37 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  resume { ptr, i32 } %.pn
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

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

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


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