; LLVM IR from Izaron/ACM-ICPC :: Timus Online Judge/Volume 8/1786. Sandro's Biography (main)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %13 unwind label %22

13:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1000000, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %14 unwind label %26

14:                                               ; preds = %13
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %169, %14
  %16 = load i32, ptr %8, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %19 = sub i64 %18, 5
  %20 = icmp ult i64 %17, %19
  br i1 %20, label %30, label %21

21:                                               ; preds = %15
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %177

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %3, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %4, align 4
  br label %189

26:                                               ; preds = %13
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %3, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %4, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  br label %188

30:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %31 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %31, ptr %11, align 4, !tbaa !5
  br label %32

32:                                               ; preds = %162, %30
  %33 = load i32, ptr %11, align 4, !tbaa !5
  %34 = load i32, ptr %8, align 4, !tbaa !5
  %35 = add nsw i32 %34, 6
  %36 = icmp slt i32 %33, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %32
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %165

38:                                               ; preds = %32
  %39 = load i32, ptr %11, align 4, !tbaa !5
  %40 = load i32, ptr %8, align 4, !tbaa !5
  %41 = sub nsw i32 %39, %40
  %42 = sext i32 %41 to i64
  %43 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %42)
          to label %44 unwind label %113

44:                                               ; preds = %38
  %45 = load i8, ptr %43, align 1, !tbaa !9
  %46 = sext i8 %45 to i32
  %47 = load i32, ptr %11, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %48)
          to label %50 unwind label %113

50:                                               ; preds = %44
  %51 = load i8, ptr %49, align 1, !tbaa !9
  %52 = sext i8 %51 to i32
  %53 = icmp ne i32 %46, %52
  br i1 %53, label %54, label %161

54:                                               ; preds = %50
  %55 = load i32, ptr %10, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %10, align 4, !tbaa !5
  %57 = load i32, ptr %11, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %58)
          to label %60 unwind label %113

60:                                               ; preds = %54
  %61 = load i8, ptr %59, align 1, !tbaa !9
  %62 = sext i8 %61 to i32
  %63 = icmp sge i32 %62, 97
  br i1 %63, label %64, label %118

64:                                               ; preds = %60
  %65 = load i32, ptr %11, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %66)
          to label %68 unwind label %113

68:                                               ; preds = %64
  %69 = load i8, ptr %67, align 1, !tbaa !9
  %70 = sext i8 %69 to i32
  %71 = icmp sle i32 %70, 122
  br i1 %71, label %72, label %118

72:                                               ; preds = %68
  %73 = load i32, ptr %11, align 4, !tbaa !5
  %74 = load i32, ptr %8, align 4, !tbaa !5
  %75 = sub nsw i32 %73, %74
  %76 = sext i32 %75 to i64
  %77 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %76)
          to label %78 unwind label %113

78:                                               ; preds = %72
  %79 = load i8, ptr %77, align 1, !tbaa !9
  %80 = sext i8 %79 to i32
  %81 = load i32, ptr %11, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %82)
          to label %84 unwind label %113

84:                                               ; preds = %78
  %85 = load i8, ptr %83, align 1, !tbaa !9
  %86 = sext i8 %85 to i32
  %87 = sub nsw i32 %86, 97
  %88 = add nsw i32 %87, 65
  %89 = icmp ne i32 %80, %88
  br i1 %89, label %90, label %117

90:                                               ; preds = %84
  %91 = load i32, ptr %11, align 4, !tbaa !5
  %92 = load i32, ptr %8, align 4, !tbaa !5
  %93 = sub nsw i32 %91, %92
  %94 = sext i32 %93 to i64
  %95 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %94)
          to label %96 unwind label %113

96:                                               ; preds = %90
  %97 = load i8, ptr %95, align 1, !tbaa !9
  %98 = sext i8 %97 to i32
  %99 = icmp sge i32 %98, 65
  br i1 %99, label %100, label %117

100:                                              ; preds = %96
  %101 = load i32, ptr %11, align 4, !tbaa !5
  %102 = load i32, ptr %8, align 4, !tbaa !5
  %103 = sub nsw i32 %101, %102
  %104 = sext i32 %103 to i64
  %105 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %104)
          to label %106 unwind label %113

106:                                              ; preds = %100
  %107 = load i8, ptr %105, align 1, !tbaa !9
  %108 = sext i8 %107 to i32
  %109 = icmp sle i32 %108, 90
  br i1 %109, label %110, label %117

110:                                              ; preds = %106
  %111 = load i32, ptr %10, align 4, !tbaa !5
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %10, align 4, !tbaa !5
  br label %117

113:                                              ; preds = %146, %136, %124, %118, %100, %90, %78, %72, %64, %54, %44, %38
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %3, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %176

117:                                              ; preds = %110, %106, %96, %84
  br label %160

118:                                              ; preds = %68, %60
  %119 = load i32, ptr %11, align 4, !tbaa !5
  %120 = load i32, ptr %8, align 4, !tbaa !5
  %121 = sub nsw i32 %119, %120
  %122 = sext i32 %121 to i64
  %123 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %122)
          to label %124 unwind label %113

124:                                              ; preds = %118
  %125 = load i8, ptr %123, align 1, !tbaa !9
  %126 = sext i8 %125 to i32
  %127 = load i32, ptr %11, align 4, !tbaa !5
  %128 = sext i32 %127 to i64
  %129 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %128)
          to label %130 unwind label %113

130:                                              ; preds = %124
  %131 = load i8, ptr %129, align 1, !tbaa !9
  %132 = sext i8 %131 to i32
  %133 = sub nsw i32 %132, 65
  %134 = add nsw i32 %133, 97
  %135 = icmp ne i32 %126, %134
  br i1 %135, label %136, label %159

136:                                              ; preds = %130
  %137 = load i32, ptr %11, align 4, !tbaa !5
  %138 = load i32, ptr %8, align 4, !tbaa !5
  %139 = sub nsw i32 %137, %138
  %140 = sext i32 %139 to i64
  %141 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %140)
          to label %142 unwind label %113

142:                                              ; preds = %136
  %143 = load i8, ptr %141, align 1, !tbaa !9
  %144 = sext i8 %143 to i32
  %145 = icmp sge i32 %144, 97
  br i1 %145, label %146, label %159

146:                                              ; preds = %142
  %147 = load i32, ptr %11, align 4, !tbaa !5
  %148 = load i32, ptr %8, align 4, !tbaa !5
  %149 = sub nsw i32 %147, %148
  %150 = sext i32 %149 to i64
  %151 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %150)
          to label %152 unwind label %113

152:                                              ; preds = %146
  %153 = load i8, ptr %151, align 1, !tbaa !9
  %154 = sext i8 %153 to i32
  %155 = icmp sle i32 %154, 122
  br i1 %155, label %156, label %159

156:                                              ; preds = %152
  %157 = load i32, ptr %10, align 4, !tbaa !5
  %158 = add nsw i32 %157, 1
  store i32 %158, ptr %10, align 4, !tbaa !5
  br label %159

159:                                              ; preds = %156, %152, %142, %130
  br label %160

160:                                              ; preds = %159, %117
  br label %161

161:                                              ; preds = %160, %50
  br label %162

162:                                              ; preds = %161
  %163 = load i32, ptr %11, align 4, !tbaa !5
  %164 = add nsw i32 %163, 1
  store i32 %164, ptr %11, align 4, !tbaa !5
  br label %32, !llvm.loop !10

165:                                              ; preds = %37
  %166 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %167 unwind label %172

167:                                              ; preds = %165
  %168 = load i32, ptr %166, align 4, !tbaa !5
  store i32 %168, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %169

169:                                              ; preds = %167
  %170 = load i32, ptr %8, align 4, !tbaa !5
  %171 = add nsw i32 %170, 1
  store i32 %171, ptr %8, align 4, !tbaa !5
  br label %15, !llvm.loop !12

172:                                              ; preds = %165
  %173 = landingpad { ptr, i32 }
          cleanup
  %174 = extractvalue { ptr, i32 } %173, 0
  store ptr %174, ptr %3, align 8
  %175 = extractvalue { ptr, i32 } %173, 1
  store i32 %175, ptr %4, align 4
  br label %176

176:                                              ; preds = %172, %113
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %187

177:                                              ; preds = %21
  %178 = load i32, ptr %5, align 4, !tbaa !5
  %179 = mul nsw i32 %178, 5
  %180 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %179)
          to label %181 unwind label %183

181:                                              ; preds = %177
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  %182 = load i32, ptr %1, align 4
  ret i32 %182

183:                                              ; preds = %177
  %184 = landingpad { ptr, i32 }
          cleanup
  %185 = extractvalue { ptr, i32 } %184, 0
  store ptr %185, ptr %3, align 8
  %186 = extractvalue { ptr, i32 } %184, 1
  store i32 %186, ptr %4, align 4
  br label %187

187:                                              ; preds = %183, %176
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  br label %188

188:                                              ; preds = %187, %26
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %189

189:                                              ; preds = %188, %22
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  br label %190

190:                                              ; preds = %189
  %191 = load ptr, ptr %3, align 8
  %192 = load i32, ptr %4, align 4
  %193 = insertvalue { ptr, i32 } poison, ptr %191, 0
  %194 = insertvalue { ptr, i32 } %193, i32 %192, 1
  resume { ptr, i32 } %194
}

; 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 void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

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

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

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 = { "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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %6 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %7 unwind label %13

7:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  store i32 1000000, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %8 unwind label %15

8:                                                ; preds = %7
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  %9 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %.not37 = icmp eq i64 %9, 5
  br i1 %.not37, label %._crit_edge, label %.lr.ph

._crit_edge.loopexit:                             ; preds = %17
  %.pre = load i32, ptr %2, align 4, !tbaa !5
  %10 = mul nsw i32 %.pre, 5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %8
  %11 = phi i32 [ %10, %._crit_edge.loopexit ], [ 5000000, %8 ]
  %12 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %11)
          to label %78 unwind label %79

13:                                               ; preds = %0
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %82

15:                                               ; preds = %7
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %81

.lr.ph:                                           ; preds = %8, %17
  %indvars.iv43 = phi i64 [ %indvars.iv.next44, %17 ], [ 6, %8 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %17 ], [ 0, %8 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %23

17:                                               ; preds = %77
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %19 = load i32, ptr %18, align 4, !tbaa !5
  store i32 %19, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %21 = add i64 %20, -5
  %22 = icmp ugt i64 %21, %indvars.iv.next
  %indvars.iv.next44 = add i64 %indvars.iv43, 1
  br i1 %22, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !9

23:                                               ; preds = %.lr.ph, %77
  %indvars.iv38 = phi i64 [ %indvars.iv, %.lr.ph ], [ %indvars.iv.next39, %77 ]
  %24 = sub nuw nsw i64 %indvars.iv38, %indvars.iv
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %24)
  %26 = load i8, ptr %25, align 1, !tbaa !11
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv38)
  %28 = load i8, ptr %27, align 1, !tbaa !11
  %.not = icmp eq i8 %26, %28
  br i1 %.not, label %77, label %29

29:                                               ; preds = %23
  %30 = load i32, ptr %5, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %5, align 4, !tbaa !5
  %32 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv38)
  %33 = load i8, ptr %32, align 1, !tbaa !11
  %34 = icmp sgt i8 %33, 96
  br i1 %34, label %35, label %58

35:                                               ; preds = %29
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv38)
  %37 = load i8, ptr %36, align 1, !tbaa !11
  %38 = icmp slt i8 %37, 123
  br i1 %38, label %39, label %58

39:                                               ; preds = %35
  %40 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %24)
  %41 = load i8, ptr %40, align 1, !tbaa !11
  %42 = sext i8 %41 to i32
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv38)
  %44 = load i8, ptr %43, align 1, !tbaa !11
  %45 = sext i8 %44 to i32
  %46 = add nsw i32 %45, -32
  %.not34 = icmp eq i32 %46, %42
  br i1 %.not34, label %77, label %47

47:                                               ; preds = %39
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %24)
  %49 = load i8, ptr %48, align 1, !tbaa !11
  %50 = icmp sgt i8 %49, 64
  br i1 %50, label %51, label %77

51:                                               ; preds = %47
  %52 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %24)
  %53 = load i8, ptr %52, align 1, !tbaa !11
  %54 = icmp slt i8 %53, 91
  br i1 %54, label %55, label %77

55:                                               ; preds = %51
  %56 = load i32, ptr %5, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %5, align 4, !tbaa !5
  br label %77

58:                                               ; preds = %35, %29
  %59 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %24)
  %60 = load i8, ptr %59, align 1, !tbaa !11
  %61 = sext i8 %60 to i32
  %62 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %indvars.iv38)
  %63 = load i8, ptr %62, align 1, !tbaa !11
  %64 = sext i8 %63 to i32
  %65 = add nsw i32 %64, 32
  %.not33 = icmp eq i32 %65, %61
  br i1 %.not33, label %77, label %66

66:                                               ; preds = %58
  %67 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %24)
  %68 = load i8, ptr %67, align 1, !tbaa !11
  %69 = icmp sgt i8 %68, 96
  br i1 %69, label %70, label %77

70:                                               ; preds = %66
  %71 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %24)
  %72 = load i8, ptr %71, align 1, !tbaa !11
  %73 = icmp slt i8 %72, 123
  br i1 %73, label %74, label %77

74:                                               ; preds = %70
  %75 = load i32, ptr %5, align 4, !tbaa !5
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %5, align 4, !tbaa !5
  br label %77

77:                                               ; preds = %23, %58, %66, %70, %74, %39, %47, %51, %55
  %indvars.iv.next39 = add nuw i64 %indvars.iv38, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next39, %indvars.iv43
  br i1 %exitcond.not, label %17, label %23, !llvm.loop !12

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

79:                                               ; preds = %._crit_edge
  %80 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  br label %81

81:                                               ; preds = %79, %15
  %.pn = phi { ptr, i32 } [ %80, %79 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  br label %82

82:                                               ; preds = %81, %13
  %.pn.pn = phi { ptr, i32 } [ %.pn, %81 ], [ %14, %13 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  resume { ptr, i32 } %.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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

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

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

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 = { "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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 = { 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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}


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