; LLVM IR from kazunetakahashi/atcoder :: 2019/1005_AGC039/B.ll (Z9bipartiteRKSt6vectorIS_IiSaIiEESaIS1_EE)

; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.8", %"struct.std::_Head_base.9" }
%"struct.std::_Tuple_impl.8" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.9" = type { i32 }
%"class.std::tuple.10" = type { %"struct.std::_Tuple_impl.11" }
%"struct.std::_Tuple_impl.11" = type { %"struct.std::_Tuple_impl.12", %"struct.std::_Head_base.14" }
%"struct.std::_Tuple_impl.12" = type { %"struct.std::_Head_base.13" }
%"struct.std::_Head_base.13" = type { ptr }
%"struct.std::_Head_base.14" = type { ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2Nov() #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9bipartiteRKSt6vectorIS_IiSaIiEESaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::allocator.2", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::stack", align 8
  %10 = alloca %"class.std::tuple", align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::tuple.10", align 8
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::tuple", align 4
  %18 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #4
  %21 = trunc i64 %20 to i32
  store i32 %21, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #4
  %22 = load i32, ptr %3, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 -1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %23, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %24 unwind label %51

24:                                               ; preds = %1
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr %9) #4
  invoke void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
          to label %25 unwind label %55

25:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 0, ptr %12, align 4, !tbaa !9
  call void @_ZNSt5tupleIJiiEEC2IiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS3_T0_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %12) #4
  invoke void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %9, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %26 unwind label %59

26:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %27

27:                                               ; preds = %114, %26
  %28 = invoke noundef zeroext i1 @_ZNKSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
          to label %29 unwind label %63

29:                                               ; preds = %27
  %30 = xor i1 %28, true
  br i1 %30, label %31, label %116

31:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %32 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
          to label %33 unwind label %67

33:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 16, ptr %15) #4
  call void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind writable sret(%"class.std::tuple.10") align 8 %15, ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %14) #4
  %34 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(8) %32) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #4
  invoke void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
          to label %35 unwind label %67

35:                                               ; preds = %33
  %36 = load i32, ptr %13, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %37) #4
  %39 = load i32, ptr %38, align 4, !tbaa !9
  %40 = icmp eq i32 %39, -1
  br i1 %40, label %41, label %104

41:                                               ; preds = %35
  %42 = load i32, ptr %14, align 4, !tbaa !9
  %43 = load i32, ptr %13, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %44) #4
  store i32 %42, ptr %45, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #4
  store i32 0, ptr %16, align 4, !tbaa !9
  br label %46

46:                                               ; preds = %100, %41
  %47 = load i32, ptr %16, align 4, !tbaa !9
  %48 = load i32, ptr %3, align 4, !tbaa !9
  %49 = icmp slt i32 %47, %48
  br i1 %49, label %71, label %50

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  br label %103

51:                                               ; preds = %1
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %7, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %119

55:                                               ; preds = %24
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %7, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %8, align 4
  br label %118

59:                                               ; preds = %25
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %7, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %117

63:                                               ; preds = %27
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %7, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %8, align 4
  br label %117

67:                                               ; preds = %111, %33, %31
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %7, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %8, align 4
  br label %115

71:                                               ; preds = %46
  %72 = load i32, ptr %16, align 4, !tbaa !9
  %73 = load i32, ptr %13, align 4, !tbaa !9
  %74 = icmp ne i32 %72, %73
  br i1 %74, label %75, label %99

75:                                               ; preds = %71
  %76 = load ptr, ptr %2, align 8, !tbaa !5
  %77 = load i32, ptr %13, align 4, !tbaa !9
  %78 = sext i32 %77 to i64
  %79 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %76, i64 noundef %78) #4
  %80 = load i32, ptr %16, align 4, !tbaa !9
  %81 = sext i32 %80 to i64
  %82 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %79, i64 noundef %81) #4
  %83 = load i32, ptr %82, align 4, !tbaa !9
  %84 = icmp eq i32 %83, 1
  br i1 %84, label %85, label %99

85:                                               ; preds = %75
  %86 = load i32, ptr %16, align 4, !tbaa !9
  %87 = sext i32 %86 to i64
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %87) #4
  %89 = load i32, ptr %88, align 4, !tbaa !9
  %90 = icmp eq i32 %89, -1
  br i1 %90, label %91, label %99

91:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #4
  %92 = load i32, ptr %14, align 4, !tbaa !9
  %93 = sub nsw i32 1, %92
  store i32 %93, ptr %18, align 4, !tbaa !9
  call void @_ZNSt5tupleIJiiEEC2IRiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %17, ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %18) #4
  invoke void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %9, ptr noundef nonnull align 4 dereferenceable(8) %17)
          to label %94 unwind label %95

94:                                               ; preds = %91
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  br label %99

95:                                               ; preds = %91
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %7, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  br label %115

99:                                               ; preds = %94, %85, %75, %71
  br label %100

100:                                              ; preds = %99
  %101 = load i32, ptr %16, align 4, !tbaa !9
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %16, align 4, !tbaa !9
  br label %46, !llvm.loop !11

103:                                              ; preds = %50
  br label %114

104:                                              ; preds = %35
  %105 = load i32, ptr %13, align 4, !tbaa !9
  %106 = sext i32 %105 to i64
  %107 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %106) #4
  %108 = load i32, ptr %107, align 4, !tbaa !9
  %109 = load i32, ptr %14, align 4, !tbaa !9
  %110 = icmp ne i32 %108, %109
  br i1 %110, label %111, label %113

111:                                              ; preds = %104
  invoke void @_Z2Nov()
          to label %112 unwind label %67

112:                                              ; preds = %111
  br label %113

113:                                              ; preds = %112, %104
  br label %114

114:                                              ; preds = %113, %103
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %27, !llvm.loop !13

115:                                              ; preds = %95, %67
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %117

116:                                              ; preds = %29
  call void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %9) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %9) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i1 true

117:                                              ; preds = %115, %63, %59
  call void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %9) #4
  br label %118

118:                                              ; preds = %117, %55
  call void @llvm.lifetime.end.p0(i64 80, ptr %9) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  br label %119

119:                                              ; preds = %118, %51
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %120

120:                                              ; preds = %119
  %121 = load ptr, ptr %7, align 8
  %122 = load i32, ptr %8, align 4
  %123 = insertvalue { ptr, i32 } poison, ptr %121, 0
  %124 = insertvalue { ptr, i32 } %123, i32 %122, 1
  resume { ptr, i32 } %124
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiiEEC2IiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS3_T0_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.10") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiiEEC2IRiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

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

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #4 = { nounwind }

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

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


; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_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::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.8", %"struct.std::_Head_base.9" }
%"struct.std::_Tuple_impl.8" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.9" = type { i32 }
%"class.std::tuple.10" = type { %"struct.std::_Tuple_impl.11" }
%"struct.std::_Tuple_impl.11" = type { %"struct.std::_Tuple_impl.12", %"struct.std::_Head_base.14" }
%"struct.std::_Tuple_impl.12" = type { %"struct.std::_Head_base.13" }
%"struct.std::_Head_base.13" = type { ptr }
%"struct.std::_Head_base.14" = type { ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z2Nov() local_unnamed_addr #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

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

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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9bipartiteRKSt6vectorIS_IiSaIiEESaIS1_EE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::allocator.2", align 1
  %5 = alloca %"class.std::stack", align 8
  %6 = alloca %"class.std::tuple", align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::tuple.10", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::tuple", align 4
  %14 = alloca i32, align 4
  %15 = tail call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %16 = trunc i64 %15 to i32
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #4
  %sext = shl i64 %15, 32
  %17 = ashr exact i64 %sext, 32
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 -1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %17, ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %18 unwind label %81

18:                                               ; preds = %1
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %5) #4
  invoke void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
          to label %19 unwind label %83

19:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @_ZNSt5tupleIJiiEEC2IiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS3_T0_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8) #4
  invoke void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %20 unwind label %85

20:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  %21 = call noundef zeroext i1 @_ZNKSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  br i1 %21, label %._crit_edge19, label %.lr.ph18

.lr.ph18:                                         ; preds = %20
  %22 = icmp sgt i32 %16, 0
  br i1 %22, label %.lr.ph18.split.us, label %.lr.ph18.split

.lr.ph18.split.us:                                ; preds = %.lr.ph18, %41
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #4
  %23 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %11) #4
  call void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple.10") align 8 %11, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10) #4
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(8) %23) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %11) #4
  call void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  %25 = load i32, ptr %9, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %26) #4
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = icmp eq i32 %28, -1
  br i1 %29, label %.lr.ph.us, label %30

30:                                               ; preds = %.lr.ph18.split.us
  %31 = load i32, ptr %9, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %32) #4
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = load i32, ptr %10, align 4, !tbaa !5
  %.not.us = icmp eq i32 %34, %35
  br i1 %.not.us, label %41, label %36

36:                                               ; preds = %30
  invoke void @_Z2Nov()
          to label %41 unwind label %.split.us

.lr.ph.us:                                        ; preds = %.lr.ph18.split.us
  %37 = load i32, ptr %10, align 4, !tbaa !5
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %39) #4
  store i32 %37, ptr %40, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #4
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %43

41:                                               ; preds = %._crit_edge.us, %36, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  %42 = call noundef zeroext i1 @_ZNKSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  br i1 %42, label %._crit_edge19, label %.lr.ph18.split.us, !llvm.loop !9

43:                                               ; preds = %.lr.ph.us, %63
  %storemerge16.us = phi i32 [ 0, %.lr.ph.us ], [ %65, %63 ]
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %.not11.us = icmp eq i32 %storemerge16.us, %44
  br i1 %.not11.us, label %63, label %45

45:                                               ; preds = %43
  %46 = sext i32 %44 to i64
  %47 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %46) #4
  %48 = load i32, ptr %12, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %47, i64 noundef %49) #4
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = icmp eq i32 %51, 1
  br i1 %52, label %53, label %63

53:                                               ; preds = %45
  %54 = load i32, ptr %12, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %55) #4
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = icmp eq i32 %57, -1
  br i1 %58, label %59, label %63

59:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #4
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = sub nsw i32 1, %60
  store i32 %61, ptr %14, align 4, !tbaa !5
  call void @_ZNSt5tupleIJiiEEC2IRiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %14) #4
  invoke void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %13)
          to label %62 unwind label %.split21.us

62:                                               ; preds = %59
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #4
  br label %63

63:                                               ; preds = %62, %53, %45, %43
  %64 = load i32, ptr %12, align 4, !tbaa !5
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %12, align 4, !tbaa !5
  %66 = icmp slt i32 %65, %16
  br i1 %66, label %43, label %._crit_edge.us, !llvm.loop !11

._crit_edge.us:                                   ; preds = %63
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #4
  br label %41

.split.us:                                        ; preds = %36
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %97

.split21.us:                                      ; preds = %59
  %68 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #4
  br label %97

.lr.ph18.split:                                   ; preds = %.lr.ph18, %95
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #4
  %69 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %11) #4
  call void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple.10") align 8 %11, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10) #4
  %70 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(8) %69) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %11) #4
  call void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  %71 = load i32, ptr %9, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %72) #4
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = icmp eq i32 %74, -1
  br i1 %75, label %76, label %88

76:                                               ; preds = %.lr.ph18.split
  %77 = load i32, ptr %10, align 4, !tbaa !5
  %78 = load i32, ptr %9, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %79) #4
  store i32 %77, ptr %80, align 4, !tbaa !5
  br label %95

81:                                               ; preds = %1
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  br label %100

83:                                               ; preds = %18
  %84 = landingpad { ptr, i32 }
          cleanup
  br label %99

85:                                               ; preds = %19
  %86 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  br label %98

.split:                                           ; preds = %94
  %87 = landingpad { ptr, i32 }
          cleanup
  br label %97

88:                                               ; preds = %.lr.ph18.split
  %89 = load i32, ptr %9, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %90) #4
  %92 = load i32, ptr %91, align 4, !tbaa !5
  %93 = load i32, ptr %10, align 4, !tbaa !5
  %.not = icmp eq i32 %92, %93
  br i1 %.not, label %95, label %94

94:                                               ; preds = %88
  invoke void @_Z2Nov()
          to label %95 unwind label %.split

95:                                               ; preds = %88, %94, %76
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  %96 = call noundef zeroext i1 @_ZNKSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  br i1 %96, label %._crit_edge19, label %.lr.ph18.split, !llvm.loop !9

97:                                               ; preds = %.split, %.split.us, %.split21.us
  %.pn = phi { ptr, i32 } [ %68, %.split21.us ], [ %87, %.split ], [ %67, %.split.us ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  br label %98

._crit_edge19:                                    ; preds = %95, %41, %20
  call void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %5) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  ret i1 true

98:                                               ; preds = %97, %85
  %.pn.pn = phi { ptr, i32 } [ %.pn, %97 ], [ %86, %85 ]
  call void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #4
  br label %99

99:                                               ; preds = %98, %83
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %98 ], [ %84, %83 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %5) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  br label %100

100:                                              ; preds = %99, %81
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %99 ], [ %82, %81 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn.pn.pn.pn
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiiEEC2IiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS3_T0_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.10") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiiEEC2IRiiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt5tupleIJiiEESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

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

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 #4 = { nounwind }

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

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


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