; LLVM IR from xirc/cp-algorithm :: atcoder/abc158/D (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.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; 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 i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::deque", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca i8, align 1
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i8, align 1
  %15 = alloca i8, align 1
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"struct.std::_Deque_iterator", align 8
  %18 = alloca %"struct.std::_Deque_iterator", align 8
  %19 = alloca %"class.std::allocator", align 1
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 0, ptr %1, align 4
  %22 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %23 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %24 = getelementptr i8, ptr %23, i64 -24
  %25 = load i64, ptr %24, align 8
  %26 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %25
  %27 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %26, ptr noundef null)
  %28 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %29 = getelementptr i8, ptr %28, i64 -24
  %30 = load i64, ptr %29, align 8
  %31 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %30
  %32 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %31, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %33 = 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 %34 unwind label %51

34:                                               ; preds = %0
  %35 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %33, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %36 unwind label %51

36:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 80, ptr %6) #6
  %37 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %38 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %37, ptr %38, align 8
  %39 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %40 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %39, ptr %40, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  %41 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  %42 = load ptr, ptr %41, align 8
  %43 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %44 = load ptr, ptr %43, align 8
  invoke void @_ZNSt5dequeIcSaIcEEC2IN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcES0_EEEEvEET_SC_RKS0_(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr %42, ptr %44, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %45 unwind label %55

45:                                               ; preds = %36
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  store i8 0, ptr %10, align 1, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !11
  br label %46

46:                                               ; preds = %104, %45
  %47 = load i32, ptr %11, align 4, !tbaa !11
  %48 = load i32, ptr %3, align 4, !tbaa !11
  %49 = icmp slt i32 %47, %48
  br i1 %49, label %59, label %50

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %108

51:                                               ; preds = %34, %0
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %5, align 4
  br label %139

55:                                               ; preds = %36
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %4, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %5, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  br label %138

59:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #6
  %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) %12)
          to label %61 unwind label %69

61:                                               ; preds = %59
  %62 = load i32, ptr %12, align 4, !tbaa !11
  %63 = icmp eq i32 %62, 1
  br i1 %63, label %64, label %73

64:                                               ; preds = %61
  %65 = load i8, ptr %10, align 1, !tbaa !8, !range !13, !noundef !14
  %66 = trunc i8 %65 to i1
  %67 = xor i1 %66, true
  %68 = zext i1 %67 to i8
  store i8 %68, ptr %10, align 1, !tbaa !8
  br label %103

69:                                               ; preds = %101, %78, %76, %59
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %4, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %5, align 4
  br label %107

73:                                               ; preds = %61
  %74 = load i32, ptr %12, align 4, !tbaa !11
  %75 = icmp eq i32 %74, 2
  br i1 %75, label %76, label %101

76:                                               ; preds = %73
  %77 = 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 %78 unwind label %69

78:                                               ; preds = %76
  %79 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %77, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %80 unwind label %69

80:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #6
  %81 = load i32, ptr %13, align 4, !tbaa !11
  %82 = icmp eq i32 %81, 1
  %83 = zext i1 %82 to i32
  %84 = load i8, ptr %10, align 1, !tbaa !8, !range !13, !noundef !14
  %85 = trunc i8 %84 to i1
  %86 = zext i1 %85 to i32
  %87 = xor i32 %83, %86
  %88 = icmp ne i32 %87, 0
  %89 = zext i1 %88 to i8
  store i8 %89, ptr %15, align 1, !tbaa !8
  %90 = load i8, ptr %15, align 1, !tbaa !8, !range !13, !noundef !14
  %91 = trunc i8 %90 to i1
  br i1 %91, label %92, label %98

92:                                               ; preds = %80
  invoke void @_ZNSt5dequeIcSaIcEE10push_frontERKc(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %93 unwind label %94

93:                                               ; preds = %92
  br label %100

94:                                               ; preds = %98, %92
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %4, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  br label %107

98:                                               ; preds = %80
  invoke void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %99 unwind label %94

99:                                               ; preds = %98
  br label %100

100:                                              ; preds = %99, %93
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  br label %102

101:                                              ; preds = %73
  invoke void @__cxa_rethrow() #7
          to label %145 unwind label %69

102:                                              ; preds = %100
  br label %103

103:                                              ; preds = %102, %64
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %104

104:                                              ; preds = %103
  %105 = load i32, ptr %11, align 4, !tbaa !11
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %11, align 4, !tbaa !11
  br label %46, !llvm.loop !15

107:                                              ; preds = %94, %69
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %137

108:                                              ; preds = %50
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #6
  call void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind writable sret(%"struct.std::_Deque_iterator") align 8 %17, ptr noundef nonnull align 8 dereferenceable(80) %6) #6
  call void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind writable sret(%"struct.std::_Deque_iterator") align 8 %18, ptr noundef nonnull align 8 dereferenceable(80) %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %19) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef %17, ptr noundef %18, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %109 unwind label %122

109:                                              ; preds = %108
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #6
  %110 = load i8, ptr %10, align 1, !tbaa !8, !range !13, !noundef !14
  %111 = trunc i8 %110 to i1
  br i1 %111, label %112, label %130

112:                                              ; preds = %109
  %113 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %16) #6
  %114 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %113, ptr %114, align 8
  %115 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %16) #6
  %116 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %115, ptr %116, align 8
  %117 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  %118 = load ptr, ptr %117, align 8
  %119 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  %120 = load ptr, ptr %119, align 8
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %118, ptr %120)
          to label %121 unwind label %126

121:                                              ; preds = %112
  br label %130

122:                                              ; preds = %108
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %4, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %5, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #6
  br label %136

126:                                              ; preds = %132, %130, %112
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %4, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #6
  br label %136

130:                                              ; preds = %121, %109
  %131 = 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) %16)
          to label %132 unwind label %126

132:                                              ; preds = %130
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %131, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %134 unwind label %126

134:                                              ; preds = %132
  store i32 0, ptr %1, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  %135 = load i32, ptr %1, align 4
  ret i32 %135

136:                                              ; preds = %126, %122
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #6
  br label %137

137:                                              ; preds = %136, %107
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #6
  br label %138

138:                                              ; preds = %137, %55
  call void @llvm.lifetime.end.p0(i64 80, ptr %6) #6
  br label %139

139:                                              ; preds = %138, %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  br label %140

140:                                              ; preds = %139
  %141 = load ptr, ptr %4, align 8
  %142 = load i32, ptr %5, align 4
  %143 = insertvalue { ptr, i32 } poison, ptr %141, 0
  %144 = insertvalue { ptr, i32 } %143, i32 %142, 1
  resume { ptr, i32 } %144

145:                                              ; preds = %101
  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: 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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEEC2IN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcES0_EEEEvEET_SC_RKS0_(ptr noundef nonnull align 8 dereferenceable(80), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE10push_frontERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #4 align 2

declare void @__cxa_rethrow()

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 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

; 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "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 = { 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 = { 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 = { nounwind }
attributes #7 = { 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 = !{!"bool", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !10, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !16}
!16 = !{!"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.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; 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::deque", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"struct.std::_Deque_iterator", align 8
  %10 = alloca %"struct.std::_Deque_iterator", align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %20
  %22 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %23 = 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 %24 unwind label %33

24:                                               ; preds = %0
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %26 unwind label %33

26:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #6
  %27 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %28 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt5dequeIcSaIcEEC2IN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcES0_EEEEvEET_SC_RKS0_(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr %27, ptr %28, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %29 unwind label %35

29:                                               ; preds = %26
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  %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.loopexit:                             ; preds = %55
  %32 = trunc i8 %.118 to i1
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %29
  %.017.lcssa = phi i1 [ false, %29 ], [ %32, %._crit_edge.loopexit ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #6
  call void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind nonnull writable sret(%"struct.std::_Deque_iterator") align 8 %9, ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind nonnull writable sret(%"struct.std::_Deque_iterator") align 8 %10, ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %60 unwind label %64

33:                                               ; preds = %24, %0
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %76

35:                                               ; preds = %26
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %75

.lr.ph:                                           ; preds = %29, %55
  %.01630 = phi i32 [ %56, %55 ], [ 0, %29 ]
  %.01729 = phi i8 [ %.118, %55 ], [ 0, %29 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #6
  %37 = 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 %38 unwind label %.loopexit

38:                                               ; preds = %.lr.ph
  %39 = load i32, ptr %5, align 4, !tbaa !8
  switch i32 %39, label %54 [
    i32 1, label %40
    i32 2, label %42
  ]

40:                                               ; preds = %38
  %41 = xor i8 %.01729, 1
  br label %55

.loopexit:                                        ; preds = %.lr.ph, %42, %44
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %59

.loopexit.split-lp:                               ; preds = %54
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %59

42:                                               ; preds = %38
  %43 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %44 unwind label %.loopexit

44:                                               ; preds = %42
  %45 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %43, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %46 unwind label %.loopexit

46:                                               ; preds = %44
  %47 = load i32, ptr %6, align 4, !tbaa !8
  %48 = trunc i8 %.01729 to i1
  %49 = icmp ne i32 %47, 1
  %.not = xor i1 %49, %48
  br i1 %.not, label %53, label %50

50:                                               ; preds = %46
  invoke void @_ZNSt5dequeIcSaIcEE10push_frontERKc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %55 unwind label %51

51:                                               ; preds = %53, %50
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %59

53:                                               ; preds = %46
  invoke void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %55 unwind label %51

54:                                               ; preds = %38
  invoke void @__cxa_rethrow() #7
          to label %77 unwind label %.loopexit.split-lp

55:                                               ; preds = %50, %53, %40
  %.118 = phi i8 [ %41, %40 ], [ %.01729, %53 ], [ %.01729, %50 ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %56 = add nuw nsw i32 %.01630, 1
  %57 = load i32, ptr %2, align 4, !tbaa !8
  %58 = icmp slt i32 %56, %57
  br i1 %58, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !11

59:                                               ; preds = %.loopexit, %.loopexit.split-lp, %51
  %.pn21 = phi { ptr, i32 } [ %52, %51 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %74

60:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  br i1 %.017.lcssa, label %61, label %68

61:                                               ; preds = %60
  %62 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %63 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEEvT_SA_(ptr %62, ptr %63)
          to label %68 unwind label %66

64:                                               ; preds = %._crit_edge
  %65 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  br label %73

66:                                               ; preds = %70, %68, %61
  %67 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  br label %73

68:                                               ; preds = %61, %60
  %69 = 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) %8)
          to label %70 unwind label %66

70:                                               ; preds = %68
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %69, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %72 unwind label %66

72:                                               ; preds = %70
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #6
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  ret i32 0

73:                                               ; preds = %66, %64
  %.pn = phi { ptr, i32 } [ %67, %66 ], [ %65, %64 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #6
  br label %74

74:                                               ; preds = %73, %59
  %.pn21.pn = phi { ptr, i32 } [ %.pn21, %59 ], [ %.pn, %73 ]
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #6
  br label %75

75:                                               ; preds = %74, %35
  %.pn21.pn.pn = phi { ptr, i32 } [ %.pn21.pn, %74 ], [ %36, %35 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #6
  br label %76

76:                                               ; preds = %75, %33
  %.pn21.pn.pn.pn = phi { ptr, i32 } [ %.pn21.pn.pn, %75 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn21.pn.pn.pn

77:                                               ; preds = %54
  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: 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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEEC2IN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcES0_EEEEvEET_SC_RKS0_(ptr noundef nonnull align 8 dereferenceable(80), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE10push_frontERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #4 align 2

declare void @__cxa_rethrow() local_unnamed_addr

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 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

; 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "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 = { 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 = { 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 = { nounwind }
attributes #7 = { 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: BDCEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass