; LLVM IR from abeaumont/competitive-programming :: codechef/oct19a (marm)

; 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<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  br label %13

13:                                               ; preds = %197, %0
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = add nsw i64 %14, -1
  store i64 %15, ptr %2, align 8, !tbaa !5
  %16 = icmp ne i64 %14, 0
  br i1 %16, label %17, label %200

17:                                               ; preds = %13
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  %20 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %21 unwind label %28

21:                                               ; preds = %17
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %38, %21
  %23 = load i32, ptr %9, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = load i64, ptr %3, align 8, !tbaa !5
  %26 = icmp slt i64 %24, %25
  br i1 %26, label %32, label %27

27:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %45

28:                                               ; preds = %17
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %7, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  br label %199

32:                                               ; preds = %22
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %34) #6
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %35)
          to label %37 unwind label %41

37:                                               ; preds = %32
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %9, align 4, !tbaa !9
  br label %22, !llvm.loop !11

41:                                               ; preds = %32
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %7, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %198

45:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %46

46:                                               ; preds = %194, %45
  %47 = load i32, ptr %10, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = load i64, ptr %3, align 8, !tbaa !5
  %50 = icmp slt i64 %48, %49
  br i1 %50, label %52, label %51

51:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %197

52:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %53 = load i64, ptr %4, align 8, !tbaa !5
  %54 = load i64, ptr %3, align 8, !tbaa !5
  %55 = sdiv i64 %53, %54
  store i64 %55, ptr %11, align 8, !tbaa !5
  %56 = load i64, ptr %4, align 8, !tbaa !5
  %57 = load i64, ptr %3, align 8, !tbaa !5
  %58 = srem i64 %56, %57
  %59 = load i32, ptr %10, align 4, !tbaa !9
  %60 = sext i32 %59 to i64
  %61 = icmp sgt i64 %58, %60
  br i1 %61, label %62, label %65

62:                                               ; preds = %52
  %63 = load i64, ptr %11, align 8, !tbaa !5
  %64 = add nsw i64 %63, 1
  store i64 %64, ptr %11, align 8, !tbaa !5
  br label %65

65:                                               ; preds = %62, %52
  %66 = load i32, ptr %10, align 4, !tbaa !9
  %67 = sext i32 %66 to i64
  %68 = load i64, ptr %3, align 8, !tbaa !5
  %69 = load i32, ptr %10, align 4, !tbaa !9
  %70 = sext i32 %69 to i64
  %71 = sub nsw i64 %68, %70
  %72 = sub nsw i64 %71, 1
  %73 = icmp eq i64 %67, %72
  br i1 %73, label %74, label %92

74:                                               ; preds = %65
  %75 = load i64, ptr %11, align 8, !tbaa !5
  %76 = icmp ne i64 %75, 0
  br i1 %76, label %77, label %84

77:                                               ; preds = %74
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef 0)
          to label %79 unwind label %80

79:                                               ; preds = %77
  br label %91

80:                                               ; preds = %183, %165, %155, %144, %128, %113, %102, %84, %77
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %7, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %198

84:                                               ; preds = %74
  %85 = load i32, ptr %10, align 4, !tbaa !9
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %86) #6
  %88 = load i64, ptr %87, align 8, !tbaa !5
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %88)
          to label %90 unwind label %80

90:                                               ; preds = %84
  br label %91

91:                                               ; preds = %90, %79
  br label %183

92:                                               ; preds = %65
  %93 = load i32, ptr %10, align 4, !tbaa !9
  %94 = sext i32 %93 to i64
  %95 = load i64, ptr %3, align 8, !tbaa !5
  %96 = sdiv i64 %95, 2
  %97 = icmp slt i64 %94, %96
  br i1 %97, label %98, label %140

98:                                               ; preds = %92
  %99 = load i64, ptr %11, align 8, !tbaa !5
  %100 = srem i64 %99, 3
  %101 = icmp eq i64 %100, 0
  br i1 %101, label %102, label %109

102:                                              ; preds = %98
  %103 = load i32, ptr %10, align 4, !tbaa !9
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %104) #6
  %106 = load i64, ptr %105, align 8, !tbaa !5
  %107 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %106)
          to label %108 unwind label %80

108:                                              ; preds = %102
  br label %139

109:                                              ; preds = %98
  %110 = load i64, ptr %11, align 8, !tbaa !5
  %111 = srem i64 %110, 3
  %112 = icmp eq i64 %111, 1
  br i1 %112, label %113, label %128

113:                                              ; preds = %109
  %114 = load i32, ptr %10, align 4, !tbaa !9
  %115 = sext i32 %114 to i64
  %116 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %115) #6
  %117 = load i64, ptr %116, align 8, !tbaa !5
  %118 = load i64, ptr %3, align 8, !tbaa !5
  %119 = load i32, ptr %10, align 4, !tbaa !9
  %120 = sext i32 %119 to i64
  %121 = sub nsw i64 %118, %120
  %122 = sub nsw i64 %121, 1
  %123 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %122) #6
  %124 = load i64, ptr %123, align 8, !tbaa !5
  %125 = xor i64 %117, %124
  %126 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %125)
          to label %127 unwind label %80

127:                                              ; preds = %113
  br label %138

128:                                              ; preds = %109
  %129 = load i64, ptr %3, align 8, !tbaa !5
  %130 = load i32, ptr %10, align 4, !tbaa !9
  %131 = sext i32 %130 to i64
  %132 = sub nsw i64 %129, %131
  %133 = sub nsw i64 %132, 1
  %134 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %133) #6
  %135 = load i64, ptr %134, align 8, !tbaa !5
  %136 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %135)
          to label %137 unwind label %80

137:                                              ; preds = %128
  br label %138

138:                                              ; preds = %137, %127
  br label %139

139:                                              ; preds = %138, %108
  br label %182

140:                                              ; preds = %92
  %141 = load i64, ptr %11, align 8, !tbaa !5
  %142 = srem i64 %141, 3
  %143 = icmp eq i64 %142, 0
  br i1 %143, label %144, label %151

144:                                              ; preds = %140
  %145 = load i32, ptr %10, align 4, !tbaa !9
  %146 = sext i32 %145 to i64
  %147 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %146) #6
  %148 = load i64, ptr %147, align 8, !tbaa !5
  %149 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %148)
          to label %150 unwind label %80

150:                                              ; preds = %144
  br label %181

151:                                              ; preds = %140
  %152 = load i64, ptr %11, align 8, !tbaa !5
  %153 = srem i64 %152, 3
  %154 = icmp eq i64 %153, 1
  br i1 %154, label %155, label %165

155:                                              ; preds = %151
  %156 = load i64, ptr %3, align 8, !tbaa !5
  %157 = load i32, ptr %10, align 4, !tbaa !9
  %158 = sext i32 %157 to i64
  %159 = sub nsw i64 %156, %158
  %160 = sub nsw i64 %159, 1
  %161 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %160) #6
  %162 = load i64, ptr %161, align 8, !tbaa !5
  %163 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %162)
          to label %164 unwind label %80

164:                                              ; preds = %155
  br label %180

165:                                              ; preds = %151
  %166 = load i32, ptr %10, align 4, !tbaa !9
  %167 = sext i32 %166 to i64
  %168 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %167) #6
  %169 = load i64, ptr %168, align 8, !tbaa !5
  %170 = load i64, ptr %3, align 8, !tbaa !5
  %171 = load i32, ptr %10, align 4, !tbaa !9
  %172 = sext i32 %171 to i64
  %173 = sub nsw i64 %170, %172
  %174 = sub nsw i64 %173, 1
  %175 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %174) #6
  %176 = load i64, ptr %175, align 8, !tbaa !5
  %177 = xor i64 %169, %176
  %178 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %177)
          to label %179 unwind label %80

179:                                              ; preds = %165
  br label %180

180:                                              ; preds = %179, %164
  br label %181

181:                                              ; preds = %180, %150
  br label %182

182:                                              ; preds = %181, %139
  br label %183

183:                                              ; preds = %182, %91
  %184 = load i32, ptr %10, align 4, !tbaa !9
  %185 = sext i32 %184 to i64
  %186 = load i64, ptr %3, align 8, !tbaa !5
  %187 = sub nsw i64 %186, 1
  %188 = icmp eq i64 %185, %187
  %189 = zext i1 %188 to i64
  %190 = getelementptr inbounds [3 x i8], ptr @.str, i64 0, i64 %189
  %191 = load i8, ptr %190, align 1, !tbaa !13
  %192 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext %191)
          to label %193 unwind label %80

193:                                              ; preds = %183
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %194

194:                                              ; preds = %193
  %195 = load i32, ptr %10, align 4, !tbaa !9
  %196 = add nsw i32 %195, 1
  store i32 %196, ptr %10, align 4, !tbaa !9
  br label %46, !llvm.loop !14

197:                                              ; preds = %51
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  br label %13, !llvm.loop !15

198:                                              ; preds = %80, %41
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %199

199:                                              ; preds = %198, %28
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %202

200:                                              ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %201 = load i32, ptr %1, align 4
  ret i32 %201

202:                                              ; preds = %199
  %203 = load ptr, ptr %7, align 8
  %204 = load i32, ptr %8, align 4
  %205 = insertvalue { ptr, i32 } poison, ptr %203, 0
  %206 = insertvalue { ptr, i32 } %205, i32 %204, 1
  resume { ptr, i32 } %206
}

; 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 @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!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 long", !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 = !{!7, !7, i64 0}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !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::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<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = add nsw i64 %7, -1
  store i64 %8, ptr %1, align 8, !tbaa !5
  %.not44 = icmp eq i64 %7, 0
  br i1 %.not44, label %._crit_edge47, label %.lr.ph46

.lr.ph46:                                         ; preds = %0, %._crit_edge
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %11 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %12 unwind label %16

12:                                               ; preds = %.lr.ph46
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %20
  %15 = icmp sgt i64 %21, 0
  br i1 %15, label %.lr.ph43, label %._crit_edge

16:                                               ; preds = %.lr.ph46
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  br label %92

.lr.ph:                                           ; preds = %12, %20
  %indvars.iv = phi i64 [ %indvars.iv.next, %20 ], [ 0, %12 ]
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #6
  %19 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %18)
          to label %20 unwind label %23

20:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = icmp sgt i64 %21, %indvars.iv.next
  br i1 %22, label %.lr.ph, label %.preheader, !llvm.loop !9

23:                                               ; preds = %.lr.ph
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %91

._crit_edge:                                      ; preds = %88, %12, %.preheader
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  %25 = load i64, ptr %1, align 8, !tbaa !5
  %26 = add nsw i64 %25, -1
  store i64 %26, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %25, 0
  br i1 %.not, label %._crit_edge47, label %.lr.ph46, !llvm.loop !11

.lr.ph43:                                         ; preds = %.preheader, %88
  %indvars.iv49 = phi i64 [ %indvars.iv.next50, %88 ], [ 0, %.preheader ]
  %27 = phi i64 [ %89, %88 ], [ %21, %.preheader ]
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = sdiv i64 %28, %27
  %30 = srem i64 %28, %27
  %31 = icmp sgt i64 %30, %indvars.iv49
  %32 = zext i1 %31 to i64
  %spec.select = add nsw i64 %29, %32
  %33 = xor i64 %indvars.iv49, -1
  %34 = add nsw i64 %27, %33
  %35 = icmp eq i64 %34, %indvars.iv49
  br i1 %35, label %36, label %44

36:                                               ; preds = %.lr.ph43
  %.not38 = icmp eq i64 %spec.select, 0
  br i1 %.not38, label %41, label %37

37:                                               ; preds = %36
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef 0)
          to label %80 unwind label %39

39:                                               ; preds = %.invoke, %80, %37
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %91

41:                                               ; preds = %36
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv49) #6
  %43 = load i64, ptr %42, align 8, !tbaa !5
  br label %.invoke

44:                                               ; preds = %.lr.ph43
  %45 = lshr i64 %27, 1
  %46 = icmp ugt i64 %45, %indvars.iv49
  %47 = srem i64 %spec.select, 3
  br i1 %46, label %48, label %63

48:                                               ; preds = %44
  switch i64 %47, label %60 [
    i64 0, label %49
    i64 1, label %52
  ]

49:                                               ; preds = %48
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv49) #6
  %51 = load i64, ptr %50, align 8, !tbaa !5
  br label %.invoke

52:                                               ; preds = %48
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv49) #6
  %54 = load i64, ptr %53, align 8, !tbaa !5
  %55 = load i64, ptr %2, align 8, !tbaa !5
  %56 = add i64 %55, %33
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %56) #6
  %58 = load i64, ptr %57, align 8, !tbaa !5
  %59 = xor i64 %58, %54
  br label %.invoke

60:                                               ; preds = %48
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %34) #6
  %62 = load i64, ptr %61, align 8, !tbaa !5
  br label %.invoke

63:                                               ; preds = %44
  switch i64 %47, label %70 [
    i64 0, label %64
    i64 1, label %67
  ]

64:                                               ; preds = %63
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv49) #6
  %66 = load i64, ptr %65, align 8, !tbaa !5
  br label %.invoke

67:                                               ; preds = %63
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %34) #6
  %69 = load i64, ptr %68, align 8, !tbaa !5
  br label %.invoke

70:                                               ; preds = %63
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv49) #6
  %72 = load i64, ptr %71, align 8, !tbaa !5
  %73 = load i64, ptr %2, align 8, !tbaa !5
  %74 = add i64 %73, %33
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %74) #6
  %76 = load i64, ptr %75, align 8, !tbaa !5
  %77 = xor i64 %76, %72
  br label %.invoke

.invoke:                                          ; preds = %41, %49, %52, %60, %64, %67, %70
  %78 = phi i64 [ %77, %70 ], [ %69, %67 ], [ %66, %64 ], [ %62, %60 ], [ %59, %52 ], [ %51, %49 ], [ %43, %41 ]
  %79 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %78)
          to label %80 unwind label %39

80:                                               ; preds = %.invoke, %37
  %81 = load i64, ptr %2, align 8, !tbaa !5
  %82 = add nsw i64 %81, -1
  %83 = icmp eq i64 %82, %indvars.iv49
  %84 = zext i1 %83 to i64
  %85 = getelementptr inbounds [3 x i8], ptr @.str, i64 0, i64 %84
  %86 = load i8, ptr %85, align 1, !tbaa !12
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext %86)
          to label %88 unwind label %39

88:                                               ; preds = %80
  %indvars.iv.next50 = add nuw nsw i64 %indvars.iv49, 1
  %89 = load i64, ptr %2, align 8, !tbaa !5
  %90 = icmp sgt i64 %89, %indvars.iv.next50
  br i1 %90, label %.lr.ph43, label %._crit_edge, !llvm.loop !13

91:                                               ; preds = %39, %23
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %40, %39 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %92

92:                                               ; preds = %91, %16
  %.pn.pn = phi { ptr, i32 } [ %.pn, %91 ], [ %17, %16 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn

._crit_edge47:                                    ; preds = %._crit_edge, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

!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 long", !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}
!12 = !{!7, !7, i64 0}
!13 = distinct !{!13, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass