; LLVM IR from Izaron/ACM-ICPC :: Timus Online Judge/Volume 11/2063. Black and White.ll (Z4worki)

; 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::__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 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z4worki(i32 noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %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 i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i8, align 1
  %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
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  %21 = 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 %22 unwind label %57

22:                                               ; preds = %1
  %23 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %24 unwind label %57

24:                                               ; preds = %22
  %25 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %26 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %25, ptr %26, align 8
  %27 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %28 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %27, ptr %28, align 8
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8
  %31 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %32 = load ptr, ptr %31, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %30, ptr %32)
          to label %33 unwind label %57

33:                                               ; preds = %24
  %34 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  %35 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, 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) %4) #5
  %37 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %36, ptr %37, align 8
  %38 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8
  %40 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %39, ptr %41)
          to label %42 unwind label %57

42:                                               ; preds = %33
  %43 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  %44 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %43, ptr %44, align 8
  %45 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  %46 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %45, ptr %46, align 8
  %47 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %48 = load ptr, ptr %47, align 8
  %49 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %50 = load ptr, ptr %49, align 8
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %48, ptr %50)
          to label %51 unwind label %57

51:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  store i32 0, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  store i32 1, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #5
  store i8 1, ptr %15, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #5
  store i32 0, ptr %16, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %112, %51
  %53 = load i32, ptr %16, align 4, !tbaa !5
  %54 = load i32, ptr %2, align 4, !tbaa !5
  %55 = icmp slt i32 %53, %54
  br i1 %55, label %61, label %56

56:                                               ; preds = %52
  store i32 2, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %115

57:                                               ; preds = %42, %33, %24, %22, %1
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %5, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %6, align 4
  br label %172

61:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  %62 = load i32, ptr %16, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  store i32 %63, ptr %18, align 4, !tbaa !5
  br label %64

64:                                               ; preds = %108, %61
  %65 = load i32, ptr %18, align 4, !tbaa !5
  %66 = load i32, ptr %2, align 4, !tbaa !5
  %67 = icmp slt i32 %65, %66
  br i1 %67, label %69, label %68

68:                                               ; preds = %64
  store i32 5, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %111

69:                                               ; preds = %64
  %70 = load i32, ptr %16, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %71)
          to label %73 unwind label %103

73:                                               ; preds = %69
  %74 = load i8, ptr %72, align 1, !tbaa !11
  %75 = sext i8 %74 to i32
  %76 = load i32, ptr %18, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %77)
          to label %79 unwind label %103

79:                                               ; preds = %73
  %80 = load i8, ptr %78, align 1, !tbaa !11
  %81 = sext i8 %80 to i32
  %82 = icmp eq i32 %75, %81
  br i1 %82, label %83, label %107

83:                                               ; preds = %79
  %84 = load i32, ptr %16, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %85)
          to label %87 unwind label %103

87:                                               ; preds = %83
  %88 = load i8, ptr %86, align 1, !tbaa !11
  %89 = sext i8 %88 to i32
  %90 = load i32, ptr %18, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %91)
          to label %93 unwind label %103

93:                                               ; preds = %87
  %94 = load i8, ptr %92, align 1, !tbaa !11
  %95 = sext i8 %94 to i32
  %96 = icmp eq i32 %89, %95
  br i1 %96, label %97, label %107

97:                                               ; preds = %93
  %98 = load i8, ptr %15, align 1, !tbaa !9, !range !12, !noundef !13
  %99 = trunc i8 %98 to i1
  br i1 %99, label %100, label %107

100:                                              ; preds = %97
  %101 = load i32, ptr %16, align 4, !tbaa !5
  store i32 %101, ptr %13, align 4, !tbaa !5
  %102 = load i32, ptr %18, align 4, !tbaa !5
  store i32 %102, ptr %14, align 4, !tbaa !5
  store i8 0, ptr %15, align 1, !tbaa !9
  br label %107

103:                                              ; preds = %87, %83, %73, %69
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %5, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %171

107:                                              ; preds = %100, %97, %93, %79
  br label %108

108:                                              ; preds = %107
  %109 = load i32, ptr %18, align 4, !tbaa !5
  %110 = add nsw i32 %109, 1
  store i32 %110, ptr %18, align 4, !tbaa !5
  br label %64, !llvm.loop !14

111:                                              ; preds = %68
  br label %112

112:                                              ; preds = %111
  %113 = load i32, ptr %16, align 4, !tbaa !5
  %114 = add nsw i32 %113, 1
  store i32 %114, ptr %16, align 4, !tbaa !5
  br label %52, !llvm.loop !16

115:                                              ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #5
  %116 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %116, ptr %19, align 4, !tbaa !5
  br label %117

117:                                              ; preds = %149, %115
  %118 = load i32, ptr %19, align 4, !tbaa !5
  %119 = icmp sge i32 %118, 1
  br i1 %119, label %121, label %120

120:                                              ; preds = %117
  store i32 8, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  br label %152

121:                                              ; preds = %117
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #5
  %122 = load i32, ptr %19, align 4, !tbaa !5
  %123 = sub nsw i32 %122, 1
  store i32 %123, ptr %20, align 4, !tbaa !5
  br label %124

124:                                              ; preds = %141, %121
  %125 = load i32, ptr %20, align 4, !tbaa !5
  %126 = icmp sge i32 %125, 1
  br i1 %126, label %128, label %127

127:                                              ; preds = %124
  store i32 11, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #5
  br label %148

128:                                              ; preds = %124
  %129 = 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 %130 unwind label %144

130:                                              ; preds = %128
  %131 = load i32, ptr %19, align 4, !tbaa !5
  %132 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %129, i32 noundef %131)
          to label %133 unwind label %144

133:                                              ; preds = %130
  %134 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %132, ptr noundef @.str.1)
          to label %135 unwind label %144

135:                                              ; preds = %133
  %136 = load i32, ptr %20, align 4, !tbaa !5
  %137 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %134, i32 noundef %136)
          to label %138 unwind label %144

138:                                              ; preds = %135
  %139 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %137, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %140 unwind label %144

140:                                              ; preds = %138
  br label %141

141:                                              ; preds = %140
  %142 = load i32, ptr %20, align 4, !tbaa !5
  %143 = add nsw i32 %142, -1
  store i32 %143, ptr %20, align 4, !tbaa !5
  br label %124, !llvm.loop !17

144:                                              ; preds = %138, %135, %133, %130, %128
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %5, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  br label %171

148:                                              ; preds = %127
  br label %149

149:                                              ; preds = %148
  %150 = load i32, ptr %19, align 4, !tbaa !5
  %151 = add nsw i32 %150, -1
  store i32 %151, ptr %19, align 4, !tbaa !5
  br label %117, !llvm.loop !18

152:                                              ; preds = %120
  %153 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %154 unwind label %167

154:                                              ; preds = %152
  %155 = load i32, ptr %13, align 4, !tbaa !5
  %156 = add nsw i32 %155, 1
  %157 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %153, i32 noundef %156)
          to label %158 unwind label %167

158:                                              ; preds = %154
  %159 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %157, ptr noundef @.str.1)
          to label %160 unwind label %167

160:                                              ; preds = %158
  %161 = load i32, ptr %14, align 4, !tbaa !5
  %162 = add nsw i32 %161, 1
  %163 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %159, i32 noundef %162)
          to label %164 unwind label %167

164:                                              ; preds = %160
  %165 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %163, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %166 unwind label %167

166:                                              ; preds = %164
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #5
  ret void

167:                                              ; preds = %164, %160, %158, %154, %152
  %168 = landingpad { ptr, i32 }
          cleanup
  %169 = extractvalue { ptr, i32 } %168, 0
  store ptr %169, ptr %5, align 8
  %170 = extractvalue { ptr, i32 } %168, 1
  store i32 %170, ptr %6, align 4
  br label %171

171:                                              ; preds = %167, %144, %103
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %172

172:                                              ; preds = %171, %57
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #5
  br label %173

173:                                              ; preds = %172
  %174 = load ptr, ptr %5, align 8
  %175 = load i32, ptr %6, align 4
  %176 = insertvalue { ptr, i32 } poison, ptr %174, 0
  %177 = insertvalue { ptr, i32 } %176, i32 %175, 1
  resume { ptr, i32 } %177
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) #4

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) #4

; 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) #2 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) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "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 = { 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 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}
!18 = distinct !{!18, !15}


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

%"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::__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] }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z4worki(i32 noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %4 = 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) %2)
          to label %5 unwind label %20

5:                                                ; preds = %1
  %6 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %7 unwind label %20

7:                                                ; preds = %5
  %8 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %9 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %8, ptr %9)
          to label %10 unwind label %20

10:                                               ; preds = %7
  %11 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %12 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %11, ptr %12)
          to label %13 unwind label %20

13:                                               ; preds = %10
  %14 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %15 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %14, ptr %15)
          to label %.preheader49 unwind label %20

.preheader49:                                     ; preds = %13
  %16 = icmp sgt i32 %0, 0
  br i1 %16, label %.lr.ph60.preheader, label %._crit_edge

.lr.ph60.preheader:                               ; preds = %.preheader49
  %17 = zext nneg i32 %0 to i64
  %wide.trip.count68 = zext nneg i32 %0 to i64
  br label %.lr.ph60

.loopexit:                                        ; preds = %38, %.lr.ph60
  %.138.lcssa = phi i32 [ %.03756, %.lr.ph60 ], [ %.239, %38 ]
  %.135.lcssa = phi i32 [ %.03457, %.lr.ph60 ], [ %.236, %38 ]
  %.1.lcssa = phi i1 [ %.03358, %.lr.ph60 ], [ %.2, %38 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond69.not = icmp eq i64 %indvars.iv.next67, %wide.trip.count68
  br i1 %exitcond69.not, label %.preheader48, label %.lr.ph60, !llvm.loop !5

.preheader48:                                     ; preds = %.loopexit
  %18 = add nsw i32 %.138.lcssa, 1
  %19 = add nsw i32 %.135.lcssa, 1
  br i1 %16, label %.preheader, label %._crit_edge

20:                                               ; preds = %13, %10, %7, %5, %1
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %68

.lr.ph60:                                         ; preds = %.lr.ph60.preheader, %.loopexit
  %indvars.iv66 = phi i64 [ 0, %.lr.ph60.preheader ], [ %indvars.iv.next67, %.loopexit ]
  %indvars.iv = phi i64 [ 1, %.lr.ph60.preheader ], [ %indvars.iv.next, %.loopexit ]
  %.03358 = phi i1 [ true, %.lr.ph60.preheader ], [ %.1.lcssa, %.loopexit ]
  %.03457 = phi i32 [ 1, %.lr.ph60.preheader ], [ %.135.lcssa, %.loopexit ]
  %.03756 = phi i32 [ 0, %.lr.ph60.preheader ], [ %.138.lcssa, %.loopexit ]
  %indvars.iv.next67 = add nuw nsw i64 %indvars.iv66, 1
  %22 = icmp ult i64 %indvars.iv.next67, %17
  br i1 %22, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %.lr.ph60
  %23 = trunc nuw nsw i64 %indvars.iv66 to i32
  br label %24

24:                                               ; preds = %.lr.ph, %38
  %indvars.iv64 = phi i64 [ %indvars.iv, %.lr.ph ], [ %indvars.iv.next65, %38 ]
  %.152 = phi i1 [ %.03358, %.lr.ph ], [ %.2, %38 ]
  %.13551 = phi i32 [ %.03457, %.lr.ph ], [ %.236, %38 ]
  %.13850 = phi i32 [ %.03756, %.lr.ph ], [ %.239, %38 ]
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv66)
  %26 = load i8, ptr %25, align 1, !tbaa !7
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv64)
  %28 = load i8, ptr %27, align 1, !tbaa !7
  %29 = icmp eq i8 %26, %28
  br i1 %29, label %30, label %38

30:                                               ; preds = %24
  %31 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %indvars.iv66)
  %32 = load i8, ptr %31, align 1, !tbaa !7
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %indvars.iv64)
  %34 = load i8, ptr %33, align 1, !tbaa !7
  %35 = icmp eq i8 %32, %34
  %brmerge.not = select i1 %35, i1 %.152, i1 false
  br i1 %brmerge.not, label %36, label %38

36:                                               ; preds = %30
  %37 = trunc nuw nsw i64 %indvars.iv64 to i32
  br label %38

38:                                               ; preds = %30, %24, %36
  %.239 = phi i32 [ %23, %36 ], [ %.13850, %30 ], [ %.13850, %24 ]
  %.236 = phi i32 [ %37, %36 ], [ %.13551, %30 ], [ %.13551, %24 ]
  %.2 = phi i1 [ false, %36 ], [ %.152, %30 ], [ %.152, %24 ]
  %indvars.iv.next65 = add nuw nsw i64 %indvars.iv64, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next65, %wide.trip.count68
  br i1 %exitcond.not, label %.loopexit, label %24, !llvm.loop !10

.preheader:                                       ; preds = %.preheader48, %42
  %.03063 = phi i32 [ %43, %42 ], [ %0, %.preheader48 ]
  br label %40

._crit_edge:                                      ; preds = %42, %.preheader49, %.preheader48
  %.034.lcssa73 = phi i32 [ %19, %.preheader48 ], [ 2, %.preheader49 ], [ %19, %42 ]
  %.037.lcssa72 = phi i32 [ %18, %.preheader48 ], [ 1, %.preheader49 ], [ %18, %42 ]
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
          to label %57 unwind label %66

40:                                               ; preds = %.preheader, %53
  %.0.in = phi i32 [ %.0, %53 ], [ %.03063, %.preheader ]
  %.0 = add nsw i32 %.0.in, -1
  %41 = icmp sgt i32 %.0.in, 1
  br i1 %41, label %45, label %42

42:                                               ; preds = %40
  %43 = add nsw i32 %.03063, -1
  %44 = icmp sgt i32 %.03063, 1
  br i1 %44, label %.preheader, label %._crit_edge, !llvm.loop !11

45:                                               ; preds = %40
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %47 unwind label %55

47:                                               ; preds = %45
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %46, i32 noundef %.03063)
          to label %49 unwind label %55

49:                                               ; preds = %47
  %50 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %48, ptr noundef nonnull @.str.1)
          to label %51 unwind label %55

51:                                               ; preds = %49
  %52 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %50, i32 noundef %.0)
          to label %53 unwind label %55

53:                                               ; preds = %51
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %52, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %40 unwind label %55, !llvm.loop !12

55:                                               ; preds = %53, %51, %49, %47, %45
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %68

57:                                               ; preds = %._crit_edge
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %39, i32 noundef %.037.lcssa72)
          to label %59 unwind label %66

59:                                               ; preds = %57
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef nonnull @.str.1)
          to label %61 unwind label %66

61:                                               ; preds = %59
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %60, i32 noundef %.034.lcssa73)
          to label %63 unwind label %66

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %62, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %65 unwind label %66

65:                                               ; preds = %63
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  ret void

66:                                               ; preds = %63, %61, %59, %57, %._crit_edge
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %68

68:                                               ; preds = %55, %66, %20
  %.pn.pn = phi { ptr, i32 } [ %21, %20 ], [ %56, %55 ], [ %67, %66 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) local_unnamed_addr #4

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr, ptr) local_unnamed_addr #4

; 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 #2 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 #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "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 = { 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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = distinct !{!10, !6}
!11 = distinct !{!11, !6}
!12 = distinct !{!12, !6}


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