; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/94 Beta Division 1/Problem B (B)

; 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::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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::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::allocator.0" = type { i8 }
%"struct.std::pair" = type <{ %"class.std::__cxx11::basic_string", i32, [4 x i8] }>

@_Z1qB5cxx11 = external dso_local global %"class.std::priority_queue", align 8
@_Z1sB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@n = external dso_local global i64, align 8
@k = external dso_local global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [14 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator.0", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %11 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %12 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %14
  %16 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  %17 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %19
  %21 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  %22 = call 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) @_Z1sB5cxx11)
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @k)
  %24 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11) #7
  store i64 %24, ptr @n, align 8, !tbaa !8
  %25 = load i64, ptr @k, align 8, !tbaa !8
  %26 = load i64, ptr @n, align 8, !tbaa !8
  %27 = load i64, ptr @n, align 8, !tbaa !8
  %28 = add nsw i64 %27, 1
  %29 = mul nsw i64 %26, %28
  %30 = sdiv i64 %29, 2
  %31 = icmp sgt i64 %25, %30
  br i1 %31, label %32, label %34

32:                                               ; preds = %0
  %33 = call i32 @puts(ptr noundef @.str)
  store i32 0, ptr %1, align 4
  br label %123

34:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !11
  br label %35

35:                                               ; preds = %54, %34
  %36 = load i32, ptr %2, align 4, !tbaa !11
  %37 = sext i32 %36 to i64
  %38 = load i64, ptr @n, align 8, !tbaa !8
  %39 = icmp slt i64 %37, %38
  br i1 %39, label %41, label %40

40:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %76

41:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #7
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %42 unwind label %57

42:                                               ; preds = %41
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  %43 = load i32, ptr %2, align 4, !tbaa !11
  %44 = sext i32 %43 to i64
  %45 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %44)
          to label %46 unwind label %61

46:                                               ; preds = %42
  %47 = load i8, ptr %45, align 1, !tbaa !13
  %48 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %3, i8 noundef signext %47)
          to label %49 unwind label %61

49:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 40, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  %50 = load i32, ptr %2, align 4, !tbaa !11
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %8, align 4, !tbaa !11
  invoke void @_ZSt9make_pairIRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind writable sret(%"struct.std::pair") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %52 unwind label %65

52:                                               ; preds = %49
  invoke void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushEOS7_(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11, ptr noundef nonnull align 8 dereferenceable(36) %7)
          to label %53 unwind label %69

53:                                               ; preds = %52
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #7
  br label %54

54:                                               ; preds = %53
  %55 = load i32, ptr %2, align 4, !tbaa !11
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %2, align 4, !tbaa !11
  br label %35, !llvm.loop !14

57:                                               ; preds = %41
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %5, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  br label %75

61:                                               ; preds = %46, %42
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %5, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %6, align 4
  br label %74

65:                                               ; preds = %49
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %5, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %6, align 4
  br label %73

69:                                               ; preds = %52
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %5, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %6, align 4
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %7) #7
  br label %73

73:                                               ; preds = %69, %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr %7) #7
  br label %74

74:                                               ; preds = %73, %61
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #7
  br label %75

75:                                               ; preds = %74, %57
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %125

76:                                               ; preds = %40
  br label %77

77:                                               ; preds = %121, %76
  %78 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11)
  %79 = xor i1 %78, true
  br i1 %79, label %80, label %122

80:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 40, ptr %9) #7
  %81 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3topEv(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11)
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2ERKS6_(ptr noundef nonnull align 8 dereferenceable(36) %9, ptr noundef nonnull align 8 dereferenceable(36) %81)
  invoke void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3popEv(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11)
          to label %82 unwind label %93

82:                                               ; preds = %80
  %83 = load i64, ptr @k, align 8, !tbaa !8
  %84 = add nsw i64 %83, -1
  store i64 %84, ptr @k, align 8, !tbaa !8
  %85 = load i64, ptr @k, align 8, !tbaa !8
  %86 = icmp eq i64 %85, 0
  br i1 %86, label %87, label %97

87:                                               ; preds = %82
  %88 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 0
  %89 = 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) %88)
          to label %90 unwind label %93

90:                                               ; preds = %87
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %89, ptr noundef @.str.4)
          to label %92 unwind label %93

92:                                               ; preds = %90
  store i32 0, ptr %1, align 4
  store i32 1, ptr %10, align 4
  br label %119

93:                                               ; preds = %112, %108, %103, %90, %87, %80
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %5, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %6, align 4
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %9) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #7
  br label %125

97:                                               ; preds = %82
  %98 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  %99 = load i32, ptr %98, align 8, !tbaa !16
  %100 = sext i32 %99 to i64
  %101 = load i64, ptr @n, align 8, !tbaa !8
  %102 = icmp slt i64 %100, %101
  br i1 %102, label %103, label %118

103:                                              ; preds = %97
  %104 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  %105 = load i32, ptr %104, align 8, !tbaa !16
  %106 = sext i32 %105 to i64
  %107 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %106)
          to label %108 unwind label %93

108:                                              ; preds = %103
  %109 = load i8, ptr %107, align 1, !tbaa !13
  %110 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 0
  %111 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %110, i8 noundef signext %109)
          to label %112 unwind label %93

112:                                              ; preds = %108
  %113 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  %114 = load i32, ptr %113, align 8, !tbaa !16
  %115 = add nsw i32 %114, 1
  %116 = getelementptr inbounds %"struct.std::pair", ptr %9, i32 0, i32 1
  store i32 %115, ptr %116, align 8, !tbaa !16
  invoke void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushERKS7_(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11, ptr noundef nonnull align 8 dereferenceable(36) %9)
          to label %117 unwind label %93

117:                                              ; preds = %112
  br label %118

118:                                              ; preds = %117, %97
  store i32 0, ptr %10, align 4
  br label %119

119:                                              ; preds = %118, %92
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %9) #7
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #7
  %120 = load i32, ptr %10, align 4
  switch i32 %120, label %130 [
    i32 0, label %121
    i32 1, label %123
  ]

121:                                              ; preds = %119
  br label %77, !llvm.loop !22

122:                                              ; preds = %77
  store i32 0, ptr %1, align 4
  br label %123

123:                                              ; preds = %122, %119, %32
  %124 = load i32, ptr %1, align 4
  ret i32 %124

125:                                              ; preds = %93, %75
  %126 = load ptr, ptr %5, align 8
  %127 = load i32, ptr %6, align 4
  %128 = insertvalue { ptr, i32 } poison, ptr %126, 0
  %129 = insertvalue { ptr, i32 } %128, i32 %127, 1
  resume { ptr, i32 } %129

130:                                              ; preds = %119
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #0 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)) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

declare i32 @puts(ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushEOS7_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(36)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZSt9make_pairIRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2ERKS6_(ptr noundef nonnull align 8 dereferenceable(36), ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

; 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)) #6

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushERKS7_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(36)) #3 align 2

attributes #0 = { 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 #1 = { 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 #2 = { "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 uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !10, i64 0}
!13 = !{!10, !10, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!17, !12, i64 32}
!17 = !{!"_ZTSSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiE", !18, i64 0, !12, i64 32}
!18 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !19, i64 0, !21, i64 8, !10, i64 16}
!19 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !20, i64 0}
!20 = !{!"any pointer", !10, i64 0}
!21 = !{!"long", !10, i64 0}
!22 = distinct !{!22, !15}


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

%"class.std::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<std::__cxx11::basic_string<char>, int>, std::allocator<std::pair<std::__cxx11::basic_string<char>, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"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::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::allocator.0" = type { i8 }
%"struct.std::pair" = type <{ %"class.std::__cxx11::basic_string", i32, [4 x i8] }>

@_Z1qB5cxx11 = external dso_local global %"class.std::priority_queue", align 8
@_Z1sB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@n = external dso_local local_unnamed_addr global i64, align 8
@k = external dso_local global i64, align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [14 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::allocator.0", align 1
  %3 = alloca %"struct.std::pair", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 8
  %6 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %7 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %8 = getelementptr i8, ptr %7, i64 -24
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %9
  %11 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %10, ptr noundef null)
  %12 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %14
  %16 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  %17 = tail call 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) @_Z1sB5cxx11)
  %18 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) @k)
  %19 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11) #8
  store i64 %19, ptr @n, align 8, !tbaa !8
  %20 = load i64, ptr @k, align 8, !tbaa !8
  %21 = add nsw i64 %19, 1
  %22 = mul nsw i64 %21, %19
  %23 = sdiv i64 %22, 2
  %24 = icmp sgt i64 %20, %23
  br i1 %24, label %26, label %.preheader24

.preheader24:                                     ; preds = %0
  %25 = icmp sgt i64 %19, 0
  br i1 %25, label %.lr.ph, label %.preheader

26:                                               ; preds = %0
  %27 = tail call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str)
  br label %.loopexit

.preheader:                                       ; preds = %37, %.preheader24
  %28 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11)
  br i1 %28, label %.loopexit, label %.lr.ph26

.lr.ph26:                                         ; preds = %.preheader
  %29 = getelementptr inbounds i8, ptr %5, i64 32
  br label %51

.lr.ph:                                           ; preds = %.preheader24, %37
  %indvars.iv = phi i64 [ %indvars.iv.next, %37 ], [ 0, %.preheader24 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %30 unwind label %40

30:                                               ; preds = %.lr.ph
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #8
  %31 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %indvars.iv)
  %32 = load i8, ptr %31, align 1, !tbaa !11
  %33 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %1, i8 noundef signext %32)
          to label %34 unwind label %42

34:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = trunc nuw i64 %indvars.iv.next to i32
  store i32 %35, ptr %4, align 4, !tbaa !12
  invoke void @_ZSt9make_pairIRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind nonnull writable sret(%"struct.std::pair") align 8 %3, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %36 unwind label %44

36:                                               ; preds = %34
  invoke void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushEOS7_(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11, ptr noundef nonnull align 8 dereferenceable(36) %3)
          to label %37 unwind label %46

37:                                               ; preds = %36
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #8
  %38 = load i64, ptr @n, align 8, !tbaa !8
  %39 = icmp sgt i64 %38, %indvars.iv.next
  br i1 %39, label %.lr.ph, label %.preheader, !llvm.loop !14

40:                                               ; preds = %.lr.ph
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #8
  br label %50

42:                                               ; preds = %30
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %49

44:                                               ; preds = %34
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %48

46:                                               ; preds = %36
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %3) #8
  br label %48

48:                                               ; preds = %46, %44
  %.pn = phi { ptr, i32 } [ %47, %46 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #8
  br label %49

49:                                               ; preds = %48, %42
  %.pn.pn = phi { ptr, i32 } [ %.pn, %48 ], [ %43, %42 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #8
  br label %50

50:                                               ; preds = %49, %40
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %49 ], [ %41, %40 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #8
  br label %76

51:                                               ; preds = %.lr.ph26, %74
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #8
  %52 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3topEv(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11)
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2ERKS6_(ptr noundef nonnull align 8 dereferenceable(36) %5, ptr noundef nonnull align 8 dereferenceable(36) %52)
  invoke void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3popEv(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11)
          to label %53 unwind label %.loopexit23

53:                                               ; preds = %51
  %54 = load i64, ptr @k, align 8, !tbaa !8
  %55 = add nsw i64 %54, -1
  store i64 %55, ptr @k, align 8, !tbaa !8
  %56 = icmp eq i64 %55, 0
  br i1 %56, label %57, label %62

57:                                               ; preds = %53
  %58 = 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) %5)
          to label %59 unwind label %.loopexit.split-lp

59:                                               ; preds = %57
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %58, ptr noundef nonnull @.str.4)
          to label %.thread unwind label %.loopexit.split-lp

.thread:                                          ; preds = %59
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %5) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #8
  br label %.loopexit

.loopexit23:                                      ; preds = %51, %67, %71
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %61

.loopexit.split-lp:                               ; preds = %57, %59
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %61

61:                                               ; preds = %.loopexit.split-lp, %.loopexit23
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit23 ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %5) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #8
  br label %76

62:                                               ; preds = %53
  %63 = load i32, ptr %29, align 8, !tbaa !16
  %64 = sext i32 %63 to i64
  %65 = load i64, ptr @n, align 8, !tbaa !8
  %66 = icmp sgt i64 %65, %64
  br i1 %66, label %67, label %74

67:                                               ; preds = %62
  %68 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1sB5cxx11, i64 noundef %64)
  %69 = load i8, ptr %68, align 1, !tbaa !11
  %70 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32) %5, i8 noundef signext %69)
          to label %71 unwind label %.loopexit23

71:                                               ; preds = %67
  %72 = load i32, ptr %29, align 8, !tbaa !16
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %29, align 8, !tbaa !16
  invoke void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushERKS7_(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11, ptr noundef nonnull align 8 dereferenceable(36) %5)
          to label %74 unwind label %.loopexit23

74:                                               ; preds = %62, %71
  call void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36) %5) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #8
  %75 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) @_Z1qB5cxx11)
  br i1 %75, label %.loopexit, label %51

.loopexit:                                        ; preds = %74, %.preheader, %.thread, %26
  ret i32 0

76:                                               ; preds = %61, %50
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %50 ], [ %lpad.phi, %61 ]
  resume { ptr, i32 } %.pn.pn.pn.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #0 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 #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #5

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #5

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEpLEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushEOS7_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(36)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZSt9make_pairIRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS8_INS9_IT0_E4typeEE6__typeEEOSA_OSF_(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiED2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZNKSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiEC2ERKS6_(ptr noundef nonnull align 8 dereferenceable(36), ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #7

; 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 #7

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESt6vectorIS7_SaIS7_EE9priortiseE4pushERKS7_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(36)) local_unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { 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 #2 = { "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 uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nofree nounwind "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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 #7 = { 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 #8 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"long long", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!10, !10, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !10, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!17, !13, i64 32}
!17 = !{!"_ZTSSt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiE", !18, i64 0, !13, i64 32}
!18 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !19, i64 0, !21, i64 8, !10, i64 16}
!19 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !20, i64 0}
!20 = !{!"any pointer", !10, i64 0}
!21 = !{!"long", !10, i64 0}


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