; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Codeforces Round #829 (Div. 2) (C1 - Make Nonzero Sum (easy version))

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca i64, align 8
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca i64, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca %"struct.std::pair", align 8
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca i64, align 8
  %18 = alloca i64, align 8
  %19 = alloca ptr, align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"struct.std::pair", align 8
  %23 = alloca ptr, align 8
  %24 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #8
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %26 = load i64, ptr %1, align 8, !tbaa !5
  %27 = call ptr @llvm.stacksave.p0()
  store ptr %27, ptr %2, align 8
  %28 = alloca i64, i64 %26, align 16
  store i64 %26, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #8
  store ptr %28, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #8
  %29 = load ptr, ptr %4, align 8, !tbaa !9
  store ptr %29, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #8
  %30 = load ptr, ptr %4, align 8, !tbaa !9
  %31 = mul nuw i64 8, %26
  %32 = udiv i64 %31, 8
  %33 = getelementptr inbounds i64, ptr %30, i64 %32
  store ptr %33, ptr %6, align 8, !tbaa !9
  br label %34

34:                                               ; preds = %43, %0
  %35 = load ptr, ptr %5, align 8, !tbaa !9
  %36 = load ptr, ptr %6, align 8, !tbaa !9
  %37 = icmp ne ptr %35, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #8
  br label %46

39:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  %40 = load ptr, ptr %5, align 8, !tbaa !9
  store ptr %40, ptr %7, align 8, !tbaa !9
  %41 = load ptr, ptr %7, align 8, !tbaa !9
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %41)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  br label %43

43:                                               ; preds = %39
  %44 = load ptr, ptr %5, align 8, !tbaa !9
  %45 = getelementptr inbounds i64, ptr %44, i32 1
  store ptr %45, ptr %5, align 8, !tbaa !9
  br label %34

46:                                               ; preds = %38
  %47 = load i64, ptr %1, align 8, !tbaa !5
  %48 = and i64 %47, 1
  %49 = icmp ne i64 %48, 0
  br i1 %49, label %50, label %53

50:                                               ; preds = %46
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef -1)
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef @.str)
  store i32 1, ptr %8, align 4
  br label %143

53:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #8
  call void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #8
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %54

54:                                               ; preds = %95, %53
  %55 = load i64, ptr %10, align 8, !tbaa !5
  %56 = load i64, ptr %1, align 8, !tbaa !5
  %57 = icmp slt i64 %55, %56
  br i1 %57, label %59, label %58

58:                                               ; preds = %54
  store i32 4, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  br label %99

59:                                               ; preds = %54
  %60 = load i64, ptr %10, align 8, !tbaa !5
  %61 = getelementptr inbounds i64, ptr %28, i64 %60
  %62 = load i64, ptr %61, align 8, !tbaa !5
  %63 = load i64, ptr %10, align 8, !tbaa !5
  %64 = add nsw i64 %63, 1
  %65 = getelementptr inbounds i64, ptr %28, i64 %64
  %66 = load i64, ptr %65, align 8, !tbaa !5
  %67 = icmp eq i64 %62, %66
  br i1 %67, label %68, label %77

68:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  %69 = load i64, ptr %10, align 8, !tbaa !5
  %70 = add nsw i64 %69, 1
  store i64 %70, ptr %12, align 8, !tbaa !5
  invoke void @_ZNSt4pairIllEC2IRllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %12)
          to label %71 unwind label %73

71:                                               ; preds = %68
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(16) %11)
          to label %72 unwind label %73

72:                                               ; preds = %71
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #8
  br label %94

73:                                               ; preds = %71, %68
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %13, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #8
  br label %98

77:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 16, ptr %15) #8
  invoke void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %10)
          to label %78 unwind label %86

78:                                               ; preds = %77
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(16) %15)
          to label %79 unwind label %86

79:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #8
  %80 = load i64, ptr %10, align 8, !tbaa !5
  %81 = add nsw i64 %80, 1
  store i64 %81, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #8
  %82 = load i64, ptr %10, align 8, !tbaa !5
  %83 = add nsw i64 %82, 1
  store i64 %83, ptr %18, align 8, !tbaa !5
  invoke void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18)
          to label %84 unwind label %90

84:                                               ; preds = %79
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(16) %16)
          to label %85 unwind label %90

85:                                               ; preds = %84
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #8
  br label %94

86:                                               ; preds = %78, %77
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %13, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #8
  br label %98

90:                                               ; preds = %84, %79
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %13, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #8
  br label %98

94:                                               ; preds = %85, %72
  br label %95

95:                                               ; preds = %94
  %96 = load i64, ptr %10, align 8, !tbaa !5
  %97 = add nsw i64 %96, 2
  store i64 %97, ptr %10, align 8, !tbaa !5
  br label %54, !llvm.loop !11

98:                                               ; preds = %90, %86, %73
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  br label %147

99:                                               ; preds = %58
  %100 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  %101 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %100)
          to label %102 unwind label %114

102:                                              ; preds = %99
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef @.str)
          to label %104 unwind label %114

104:                                              ; preds = %102
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #8
  store ptr %9, ptr %19, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #8
  %105 = load ptr, ptr %19, align 8, !tbaa !9
  %106 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %105) #8
  %107 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %106, ptr %107, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #8
  %108 = load ptr, ptr %19, align 8, !tbaa !9
  %109 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %108) #8
  %110 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %109, ptr %110, align 8
  br label %111

111:                                              ; preds = %136, %104
  %112 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIllESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(8) %21) #8
  br i1 %112, label %118, label %113

113:                                              ; preds = %111
  store i32 7, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #8
  br label %142

114:                                              ; preds = %102, %99
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %13, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %14, align 4
  br label %147

118:                                              ; preds = %111
  call void @llvm.lifetime.start.p0(i64 16, ptr %22) #8
  %119 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %22, ptr align 8 %119, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #8
  %120 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16) %22) #8
  store ptr %120, ptr %23, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #8
  %121 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16) %22) #8
  store ptr %121, ptr %24, align 8, !tbaa !9
  %122 = load ptr, ptr %23, align 8, !tbaa !9
  %123 = load i64, ptr %122, align 8, !tbaa !5
  %124 = add nsw i64 %123, 1
  %125 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %124)
          to label %126 unwind label %138

126:                                              ; preds = %118
  %127 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %125, ptr noundef @.str.1)
          to label %128 unwind label %138

128:                                              ; preds = %126
  %129 = load ptr, ptr %24, align 8, !tbaa !9
  %130 = load i64, ptr %129, align 8, !tbaa !5
  %131 = add nsw i64 %130, 1
  %132 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %127, i64 noundef %131)
          to label %133 unwind label %138

133:                                              ; preds = %128
  %134 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %132, ptr noundef @.str)
          to label %135 unwind label %138

135:                                              ; preds = %133
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #8
  br label %136

136:                                              ; preds = %135
  %137 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #8
  br label %111

138:                                              ; preds = %133, %128, %126, %118
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %13, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #8
  br label %147

142:                                              ; preds = %113
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #8
  store i32 0, ptr %8, align 4
  br label %143

143:                                              ; preds = %142, %50
  %144 = load ptr, ptr %2, align 8
  call void @llvm.stackrestore.p0(ptr %144)
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #8
  %145 = load i32, ptr %8, align 4
  switch i32 %145, label %153 [
    i32 0, label %146
    i32 1, label %146
  ]

146:                                              ; preds = %143, %143
  ret void

147:                                              ; preds = %138, %114, %98
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #8
  br label %148

148:                                              ; preds = %147
  %149 = load ptr, ptr %13, align 8
  %150 = load i32, ptr %14, align 4
  %151 = insertvalue { ptr, i32 } poison, ptr %149, 0
  %152 = insertvalue { ptr, i32 } %151, i32 %150, 1
  resume { ptr, i32 } %152

153:                                              ; preds = %143
  unreachable
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIllESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16)) #5

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 #4 = { "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 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 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca i64, align 8
  %4 = alloca %"struct.std::pair", align 8
  %5 = alloca i64, align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca %"struct.std::pair", align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #8
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %14 = load i64, ptr %1, align 8, !tbaa !5
  %15 = call ptr @llvm.stacksave.p0()
  %16 = alloca i64, i64 %14, align 16
  %17 = getelementptr inbounds i64, ptr %16, i64 %14
  %.not20 = icmp eq i64 %14, 0
  br i1 %.not20, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %0
  %18 = load i64, ptr %1, align 8, !tbaa !5
  %19 = and i64 %18, 1
  %.not17 = icmp eq i64 %19, 0
  br i1 %.not17, label %25, label %22

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.021 = phi ptr [ %21, %.lr.ph ], [ %16, %0 ]
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %.021)
  %21 = getelementptr inbounds i8, ptr %.021, i64 8
  %.not = icmp eq ptr %21, %17
  br i1 %.not, label %._crit_edge, label %.lr.ph

22:                                               ; preds = %._crit_edge
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef -1)
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull @.str)
  br label %82

25:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #8
  call void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #8
  store i64 0, ptr %3, align 8, !tbaa !5
  %26 = load i64, ptr %1, align 8, !tbaa !5
  %27 = icmp sgt i64 %26, 0
  br i1 %27, label %.lr.ph24, label %._crit_edge25

._crit_edge25:                                    ; preds = %49, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  %28 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  %29 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %28)
          to label %55 unwind label %61

.lr.ph24:                                         ; preds = %25, %49
  %storemerge22 = phi i64 [ %51, %49 ], [ 0, %25 ]
  %30 = getelementptr inbounds i64, ptr %16, i64 %storemerge22
  %31 = load i64, ptr %30, align 8, !tbaa !5
  %32 = getelementptr i8, ptr %30, i64 8
  %33 = load i64, ptr %32, align 8, !tbaa !5
  %34 = icmp eq i64 %31, %33
  br i1 %34, label %35, label %40

35:                                               ; preds = %.lr.ph24
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #8
  %36 = add nsw i64 %storemerge22, 1
  store i64 %36, ptr %5, align 8, !tbaa !5
  call void @_ZNSt4pairIllEC2IRllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %5)
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(16) %4)
          to label %37 unwind label %38

37:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #8
  br label %49

38:                                               ; preds = %35
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #8
  br label %54

40:                                               ; preds = %.lr.ph24
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #8
  call void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %3)
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %41 unwind label %45

41:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #8
  %42 = load i64, ptr %3, align 8, !tbaa !5
  %43 = add nsw i64 %42, 1
  store i64 %43, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #8
  store i64 %43, ptr %9, align 8, !tbaa !5
  call void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(16) %7)
          to label %44 unwind label %47

44:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #8
  br label %49

45:                                               ; preds = %40
  %46 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #8
  br label %54

47:                                               ; preds = %41
  %48 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #8
  br label %54

49:                                               ; preds = %37, %44
  %50 = load i64, ptr %3, align 8, !tbaa !5
  %51 = add nsw i64 %50, 2
  store i64 %51, ptr %3, align 8, !tbaa !5
  %52 = load i64, ptr %1, align 8, !tbaa !5
  %53 = icmp slt i64 %51, %52
  br i1 %53, label %.lr.ph24, label %._crit_edge25, !llvm.loop !9

54:                                               ; preds = %47, %45, %38
  %.pn = phi { ptr, i32 } [ %39, %38 ], [ %48, %47 ], [ %46, %45 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #8
  br label %83

55:                                               ; preds = %._crit_edge25
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %29, ptr noundef nonnull @.str)
          to label %57 unwind label %61

57:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #8
  %58 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  store ptr %58, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #8
  %59 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  store ptr %59, ptr %11, align 8
  %60 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIllESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  br i1 %60, label %.lr.ph27, label %._crit_edge28

._crit_edge28:                                    ; preds = %77, %57
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #8
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  br label %82

61:                                               ; preds = %55, %._crit_edge25
  %62 = landingpad { ptr, i32 }
          cleanup
  br label %83

.lr.ph27:                                         ; preds = %57, %77
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %12) #8
  %63 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #8
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 8 dereferenceable(16) %63, i64 16, i1 false)
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16) %12) #8
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16) %12) #8
  %66 = load i64, ptr %64, align 8, !tbaa !5
  %67 = add nsw i64 %66, 1
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %67)
          to label %69 unwind label %80

69:                                               ; preds = %.lr.ph27
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef nonnull @.str.1)
          to label %71 unwind label %80

71:                                               ; preds = %69
  %72 = load i64, ptr %65, align 8, !tbaa !5
  %73 = add nsw i64 %72, 1
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %70, i64 noundef %73)
          to label %75 unwind label %80

75:                                               ; preds = %71
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef nonnull @.str)
          to label %77 unwind label %80

77:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %12) #8
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #8
  %79 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIllESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  br i1 %79, label %.lr.ph27, label %._crit_edge28

80:                                               ; preds = %75, %71, %69, %.lr.ph27
  %81 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #8
  br label %83

82:                                               ; preds = %._crit_edge28, %22
  call void @llvm.stackrestore.p0(ptr %15)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #8
  ret void

83:                                               ; preds = %80, %61, %54
  %.pn.pn = phi { ptr, i32 } [ %.pn, %54 ], [ %81, %80 ], [ %62, %61 ]
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn.pn
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIllESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #5

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #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 nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 #4 = { "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 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 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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