; LLVM IR from xirc/cp-algorithm :: aoj/ITP1/ITP9D (main)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::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 [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca i32, align 4
  %24 = alloca i32, align 4
  %25 = alloca %"class.std::__cxx11::basic_string", align 8
  store i32 0, ptr %1, align 4
  %26 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %27 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %28 = getelementptr i8, ptr %27, i64 -24
  %29 = load i64, ptr %28, align 8
  %30 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %29
  %31 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %30, ptr noundef null)
  %32 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %33 = getelementptr i8, ptr %32, i64 -24
  %34 = load i64, ptr %33, align 8
  %35 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %34
  %36 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %35, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %37 = 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 %38 unwind label %46

38:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %40 unwind label %50

40:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 0, ptr %6, align 4, !tbaa !8
  br label %41

41:                                               ; preds = %172, %40
  %42 = load i32, ptr %6, align 4, !tbaa !8
  %43 = load i32, ptr %5, align 4, !tbaa !8
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %54, label %45

45:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %176

46:                                               ; preds = %0
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %3, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %4, align 4
  br label %179

50:                                               ; preds = %38
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %3, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %4, align 4
  br label %178

54:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  %55 = 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) %7)
          to label %56 unwind label %85

56:                                               ; preds = %54
  %57 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @.str)
          to label %58 unwind label %85

58:                                               ; preds = %56
  br i1 %57, label %59, label %98

59:                                               ; preds = %58
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  %60 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %61 unwind label %89

61:                                               ; preds = %59
  %62 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %60, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %63 unwind label %89

63:                                               ; preds = %61
  %64 = 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) %62, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %65 unwind label %89

65:                                               ; preds = %63
  %66 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %66, ptr %67, align 8
  %68 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  %69 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %70 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  %72 = load i32, ptr %8, align 4, !tbaa !8
  %73 = sext i32 %72 to i64
  %74 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %14, i64 noundef %73) #7
  %75 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %74, ptr %75, align 8
  %76 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %77 = load ptr, ptr %76, align 8
  %78 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %79 = load ptr, ptr %78, align 8
  %80 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %81 = load ptr, ptr %80, align 8
  %82 = invoke ptr @_ZSt4copyIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEES9_ET0_T_SB_SA_(ptr %77, ptr %79, ptr %81)
          to label %83 unwind label %93

83:                                               ; preds = %65
  %84 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %82, ptr %84, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %171

85:                                               ; preds = %168, %134, %98, %56, %54
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %3, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %4, align 4
  br label %175

89:                                               ; preds = %63, %61, %59
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %3, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %4, align 4
  br label %97

93:                                               ; preds = %65
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %3, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %97

97:                                               ; preds = %93, %89
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %175

98:                                               ; preds = %58
  %99 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @.str.1)
          to label %100 unwind label %85

100:                                              ; preds = %98
  br i1 %99, label %101, label %134

101:                                              ; preds = %100
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  %102 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %103 unwind label %125

103:                                              ; preds = %101
  %104 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %102, ptr noundef nonnull align 4 dereferenceable(4) %17)
          to label %105 unwind label %125

105:                                              ; preds = %103
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #7
  %106 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %107 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %106, ptr %107, align 8
  %108 = load i32, ptr %16, align 4, !tbaa !8
  %109 = sext i32 %108 to i64
  %110 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %19, i64 noundef %109) #7
  %111 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %110, ptr %111, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #7
  %112 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %113 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %112, ptr %113, align 8
  %114 = load i32, ptr %17, align 4, !tbaa !8
  %115 = sext i32 %114 to i64
  %116 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %22, i64 noundef %115) #7
  %117 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %116, ptr %117, align 8
  %118 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %21, i64 noundef 1) #7
  %119 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %118, ptr %119, align 8
  %120 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %121 = load ptr, ptr %120, align 8
  %122 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  %123 = load ptr, ptr %122, align 8
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %121, ptr %123)
          to label %124 unwind label %129

124:                                              ; preds = %105
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %170

125:                                              ; preds = %103, %101
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %3, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %4, align 4
  br label %133

129:                                              ; preds = %105
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %3, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  br label %133

133:                                              ; preds = %129, %125
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %175

134:                                              ; preds = %100
  %135 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @.str.2)
          to label %136 unwind label %85

136:                                              ; preds = %134
  br i1 %135, label %137, label %168

137:                                              ; preds = %136
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #7
  %138 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %139 unwind label %154

139:                                              ; preds = %137
  %140 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %138, ptr noundef nonnull align 4 dereferenceable(4) %24)
          to label %141 unwind label %154

141:                                              ; preds = %139
  call void @llvm.lifetime.start.p0(i64 32, ptr %25) #7
  %142 = load i32, ptr %23, align 4, !tbaa !8
  %143 = sext i32 %142 to i64
  %144 = load i32, ptr %24, align 4, !tbaa !8
  %145 = load i32, ptr %23, align 4, !tbaa !8
  %146 = sub nsw i32 %144, %145
  %147 = add nsw i32 %146, 1
  %148 = sext i32 %147 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %25, ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %143, i64 noundef %148)
          to label %149 unwind label %158

149:                                              ; preds = %141
  %150 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %25)
          to label %151 unwind label %162

151:                                              ; preds = %149
  %152 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %150, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %153 unwind label %162

153:                                              ; preds = %151
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %25) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %169

154:                                              ; preds = %139, %137
  %155 = landingpad { ptr, i32 }
          cleanup
  %156 = extractvalue { ptr, i32 } %155, 0
  store ptr %156, ptr %3, align 8
  %157 = extractvalue { ptr, i32 } %155, 1
  store i32 %157, ptr %4, align 4
  br label %167

158:                                              ; preds = %141
  %159 = landingpad { ptr, i32 }
          cleanup
  %160 = extractvalue { ptr, i32 } %159, 0
  store ptr %160, ptr %3, align 8
  %161 = extractvalue { ptr, i32 } %159, 1
  store i32 %161, ptr %4, align 4
  br label %166

162:                                              ; preds = %151, %149
  %163 = landingpad { ptr, i32 }
          cleanup
  %164 = extractvalue { ptr, i32 } %163, 0
  store ptr %164, ptr %3, align 8
  %165 = extractvalue { ptr, i32 } %163, 1
  store i32 %165, ptr %4, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %25) #7
  br label %166

166:                                              ; preds = %162, %158
  call void @llvm.lifetime.end.p0(i64 32, ptr %25) #7
  br label %167

167:                                              ; preds = %166, %154
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %175

168:                                              ; preds = %136
  invoke void @__cxa_rethrow() #8
          to label %185 unwind label %85

169:                                              ; preds = %153
  br label %170

170:                                              ; preds = %169, %124
  br label %171

171:                                              ; preds = %170, %83
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #7
  br label %172

172:                                              ; preds = %171
  %173 = load i32, ptr %6, align 4, !tbaa !8
  %174 = add nsw i32 %173, 1
  store i32 %174, ptr %6, align 4, !tbaa !8
  br label %41, !llvm.loop !11

175:                                              ; preds = %167, %133, %97, %85
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %178

176:                                              ; preds = %45
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #7
  %177 = load i32, ptr %1, align 4
  ret i32 %177

178:                                              ; preds = %175, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %179

179:                                              ; preds = %178, %46
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #7
  br label %180

180:                                              ; preds = %179
  %181 = load ptr, ptr %3, align 8
  %182 = load i32, ptr %4, align 4
  %183 = insertvalue { ptr, i32 } poison, ptr %181, 0
  %184 = insertvalue { ptr, i32 } %183, i32 %182, 1
  resume { ptr, i32 } %184

185:                                              ; preds = %168
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

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

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

; Function Attrs: mustprogress nounwind uwtable
declare 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)) #1

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt4copyIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEES9_ET0_T_SB_SA_(ptr, ptr, ptr) #5

; 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: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #5

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #6 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6 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)) #5

declare void @__cxa_rethrow()

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }
attributes #8 = { noreturn }

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

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


; 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] }
%"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 [8 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %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 %"class.std::__cxx11::basic_string", align 8
  %16 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %17 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %19
  %21 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  %22 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %24
  %26 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %25, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %27 = 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) %1)
          to label %28 unwind label %32

28:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %.preheader unwind label %34

.preheader:                                       ; preds = %28
  %30 = load i32, ptr %2, align 4, !tbaa !8
  %31 = icmp sgt i32 %30, 0
  br i1 %31, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %107, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  ret i32 0

32:                                               ; preds = %0
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %113

34:                                               ; preds = %28
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %112

.lr.ph:                                           ; preds = %.preheader, %107
  %.01626 = phi i32 [ %108, %107 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  %36 = 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 %37 unwind label %.loopexit

37:                                               ; preds = %.lr.ph
  %38 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str)
  br i1 %38, label %39, label %59

39:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  %40 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %41 unwind label %54

41:                                               ; preds = %39
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %43 unwind label %54

43:                                               ; preds = %41
  %44 = 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) %42, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %45 unwind label %54

45:                                               ; preds = %43
  %46 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  %47 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  %48 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  store ptr %48, ptr %7, align 8
  %49 = load i32, ptr %4, align 4, !tbaa !8
  %50 = sext i32 %49 to i64
  %51 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %7, i64 noundef %50) #7
  %52 = invoke ptr @_ZSt4copyIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEES9_ET0_T_SB_SA_(ptr %46, ptr %47, ptr %51)
          to label %53 unwind label %56

53:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %107

.loopexit:                                        ; preds = %.lr.ph
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %111

.loopexit.split-lp:                               ; preds = %106
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %111

54:                                               ; preds = %43, %41, %39
  %55 = landingpad { ptr, i32 }
          cleanup
  br label %58

56:                                               ; preds = %45
  %57 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  br label %58

58:                                               ; preds = %56, %54
  %.pn21 = phi { ptr, i32 } [ %57, %56 ], [ %55, %54 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %111

59:                                               ; preds = %37
  %60 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str.1)
  br i1 %60, label %61, label %81

61:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %62 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %63 unwind label %76

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %62, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %65 unwind label %76

65:                                               ; preds = %63
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %66 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  store ptr %66, ptr %10, align 8
  %67 = load i32, ptr %8, align 4, !tbaa !8
  %68 = sext i32 %67 to i64
  %69 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %10, i64 noundef %68) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #7
  %70 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  store ptr %70, ptr %12, align 8
  %71 = load i32, ptr %9, align 4, !tbaa !8
  %72 = sext i32 %71 to i64
  %73 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %12, i64 noundef %72) #7
  store ptr %73, ptr %11, align 8
  %74 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %11, i64 noundef 1) #7
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %69, ptr %74)
          to label %75 unwind label %78

75:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %107

76:                                               ; preds = %63, %61
  %77 = landingpad { ptr, i32 }
          cleanup
  br label %80

78:                                               ; preds = %65
  %79 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %80

80:                                               ; preds = %78, %76
  %.pn19 = phi { ptr, i32 } [ %79, %78 ], [ %77, %76 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %111

81:                                               ; preds = %59
  %82 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str.2)
  br i1 %82, label %83, label %106

83:                                               ; preds = %81
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #7
  %84 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %85 unwind label %98

85:                                               ; preds = %83
  %86 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %84, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %87 unwind label %98

87:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %15) #7
  %88 = load i32, ptr %13, align 4, !tbaa !8
  %89 = sext i32 %88 to i64
  %90 = load i32, ptr %14, align 4, !tbaa !8
  %reass.sub = sub i32 %90, %88
  %91 = add i32 %reass.sub, 1
  %92 = sext i32 %91 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %89, i64 noundef %92)
          to label %93 unwind label %100

93:                                               ; preds = %87
  %94 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %95 unwind label %102

95:                                               ; preds = %93
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %94, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %97 unwind label %102

97:                                               ; preds = %95
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  br label %107

98:                                               ; preds = %85, %83
  %99 = landingpad { ptr, i32 }
          cleanup
  br label %105

100:                                              ; preds = %87
  %101 = landingpad { ptr, i32 }
          cleanup
  br label %104

102:                                              ; preds = %95, %93
  %103 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #7
  br label %104

104:                                              ; preds = %102, %100
  %.pn = phi { ptr, i32 } [ %103, %102 ], [ %101, %100 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #7
  br label %105

105:                                              ; preds = %104, %98
  %.pn.pn = phi { ptr, i32 } [ %.pn, %104 ], [ %99, %98 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #7
  br label %111

106:                                              ; preds = %81
  invoke void @__cxa_rethrow() #8
          to label %114 unwind label %.loopexit.split-lp

107:                                              ; preds = %75, %97, %53
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  %108 = add nuw nsw i32 %.01626, 1
  %109 = load i32, ptr %2, align 4, !tbaa !8
  %110 = icmp slt i32 %108, %109
  br i1 %110, label %.lr.ph, label %._crit_edge, !llvm.loop !11

111:                                              ; preds = %.loopexit, %.loopexit.split-lp, %105, %80, %58
  %.pn21.pn = phi { ptr, i32 } [ %.pn21, %58 ], [ %.pn19, %80 ], [ %.pn.pn, %105 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #7
  br label %112

112:                                              ; preds = %111, %34
  %.pn21.pn.pn = phi { ptr, i32 } [ %.pn21.pn, %111 ], [ %35, %34 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  br label %113

113:                                              ; preds = %112, %32
  %.pn21.pn.pn.pn = phi { ptr, i32 } [ %.pn21.pn.pn, %112 ], [ %33, %32 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn21.pn.pn.pn

114:                                              ; preds = %106
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

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

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

; Function Attrs: mustprogress nounwind uwtable
declare 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 #1

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt4copyIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEES9_ET0_T_SB_SA_(ptr, ptr, ptr) local_unnamed_addr #5

; 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: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEplEl(ptr noundef nonnull align 8 dereferenceable(8), 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) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #6 align 2

; 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 #6 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)) #5

declare void @__cxa_rethrow() local_unnamed_addr

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "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 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }
attributes #8 = { noreturn }

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

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


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