; LLVM IR from lzyrapx/Competitive-Programming :: 百度之星/2020/复赛 (B)

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

%"class.std::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] }

@sum = external dso_local global [100123 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
  br label %20

20:                                               ; preds = %180, %2
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr %6, align 4, !tbaa !5
  %23 = icmp ne i32 %21, 0
  br i1 %23, label %24, label %187

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #7
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %26 unwind label %40

26:                                               ; preds = %24
  %27 = 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) %25, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %28 unwind label %40

28:                                               ; preds = %26
  %29 = 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) %27, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %30 unwind label %40

30:                                               ; preds = %28
  %31 = load i32, ptr %7, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %32
  store i32 0, ptr %33, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %34 = load i32, ptr %7, align 4, !tbaa !5
  %35 = sub nsw i32 %34, 1
  store i32 %35, ptr %12, align 4, !tbaa !5
  br label %36

36:                                               ; preds = %82, %30
  %37 = load i32, ptr %12, align 4, !tbaa !5
  %38 = icmp sge i32 %37, 0
  br i1 %38, label %44, label %39

39:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %85

40:                                               ; preds = %28, %26, %24
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %10, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %11, align 4
  br label %186

44:                                               ; preds = %36
  %45 = load i32, ptr %12, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %46)
          to label %48 unwind label %68

48:                                               ; preds = %44
  %49 = load i8, ptr %47, align 1, !tbaa !11
  %50 = sext i8 %49 to i32
  %51 = load i32, ptr %12, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef %52)
          to label %54 unwind label %68

54:                                               ; preds = %48
  %55 = load i8, ptr %53, align 1, !tbaa !11
  %56 = sext i8 %55 to i32
  %57 = icmp ne i32 %50, %56
  br i1 %57, label %58, label %72

58:                                               ; preds = %54
  %59 = load i32, ptr %12, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = add nsw i32 %63, 1
  %65 = load i32, ptr %12, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %66
  store i32 %64, ptr %67, align 4, !tbaa !5
  br label %81

68:                                               ; preds = %48, %44
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %10, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %186

72:                                               ; preds = %54
  %73 = load i32, ptr %12, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %75
  %77 = load i32, ptr %76, align 4, !tbaa !5
  %78 = load i32, ptr %12, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %79
  store i32 %77, ptr %80, align 4, !tbaa !5
  br label %81

81:                                               ; preds = %72, %58
  br label %82

82:                                               ; preds = %81
  %83 = load i32, ptr %12, align 4, !tbaa !5
  %84 = add nsw i32 %83, -1
  store i32 %84, ptr %12, align 4, !tbaa !5
  br label %36, !llvm.loop !12

85:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  %86 = load i32, ptr @sum, align 16, !tbaa !5
  store i32 %86, ptr %13, align 4, !tbaa !5
  %87 = load i32, ptr %7, align 4, !tbaa !5
  %88 = add nsw i32 %87, 1
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %89
  store i32 0, ptr %90, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 0, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  store i32 0, ptr %16, align 4, !tbaa !5
  br label %91

91:                                               ; preds = %166, %85
  %92 = load i32, ptr %16, align 4, !tbaa !5
  %93 = load i32, ptr %7, align 4, !tbaa !5
  %94 = icmp slt i32 %92, %93
  br i1 %94, label %96, label %95

95:                                               ; preds = %91
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %175

96:                                               ; preds = %91
  %97 = load i32, ptr %16, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %98)
          to label %100 unwind label %107

100:                                              ; preds = %96
  %101 = load i8, ptr %99, align 1, !tbaa !11
  %102 = sext i8 %101 to i32
  %103 = icmp eq i32 %102, 48
  br i1 %103, label %104, label %111

104:                                              ; preds = %100
  %105 = load i32, ptr %14, align 4, !tbaa !5
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %14, align 4, !tbaa !5
  br label %111

107:                                              ; preds = %111, %96
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %10, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %11, align 4
  br label %174

111:                                              ; preds = %104, %100
  %112 = load i32, ptr %16, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef %113)
          to label %115 unwind label %107

115:                                              ; preds = %111
  %116 = load i8, ptr %114, align 1, !tbaa !11
  %117 = sext i8 %116 to i32
  %118 = icmp eq i32 %117, 49
  br i1 %118, label %119, label %122

119:                                              ; preds = %115
  %120 = load i32, ptr %15, align 4, !tbaa !5
  %121 = add nsw i32 %120, 1
  store i32 %121, ptr %15, align 4, !tbaa !5
  br label %122

122:                                              ; preds = %119, %115
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !5
  %123 = load i32, ptr %16, align 4, !tbaa !5
  %124 = add nsw i32 %123, 1
  %125 = sext i32 %124 to i64
  %126 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef %125)
          to label %127 unwind label %134

127:                                              ; preds = %122
  %128 = load i8, ptr %126, align 1, !tbaa !11
  %129 = sext i8 %128 to i32
  %130 = icmp ne i32 %129, 49
  br i1 %130, label %131, label %138

131:                                              ; preds = %127
  %132 = load i32, ptr %17, align 4, !tbaa !5
  %133 = add nsw i32 %132, 1
  store i32 %133, ptr %17, align 4, !tbaa !5
  br label %138

134:                                              ; preds = %138, %122
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %10, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %11, align 4
  br label %173

138:                                              ; preds = %131, %127
  %139 = load i32, ptr %16, align 4, !tbaa !5
  %140 = add nsw i32 %139, 1
  %141 = sext i32 %140 to i64
  %142 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %141)
          to label %143 unwind label %134

143:                                              ; preds = %138
  %144 = load i8, ptr %142, align 1, !tbaa !11
  %145 = sext i8 %144 to i32
  %146 = icmp eq i32 %145, 49
  br i1 %146, label %147, label %150

147:                                              ; preds = %143
  %148 = load i32, ptr %17, align 4, !tbaa !5
  %149 = add nsw i32 %148, 1
  store i32 %149, ptr %17, align 4, !tbaa !5
  br label %150

150:                                              ; preds = %147, %143
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  %151 = load i32, ptr %14, align 4, !tbaa !5
  %152 = load i32, ptr %15, align 4, !tbaa !5
  %153 = add nsw i32 %151, %152
  %154 = load i32, ptr %16, align 4, !tbaa !5
  %155 = add nsw i32 %154, 2
  %156 = sext i32 %155 to i64
  %157 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %156
  %158 = load i32, ptr %157, align 4, !tbaa !5
  %159 = add nsw i32 %153, %158
  %160 = load i32, ptr %17, align 4, !tbaa !5
  %161 = add nsw i32 %159, %160
  %162 = add nsw i32 %161, 1
  store i32 %162, ptr %18, align 4, !tbaa !5
  %163 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %164 unwind label %169

164:                                              ; preds = %150
  %165 = load i32, ptr %163, align 4, !tbaa !5
  store i32 %165, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %166

166:                                              ; preds = %164
  %167 = load i32, ptr %16, align 4, !tbaa !5
  %168 = add nsw i32 %167, 1
  store i32 %168, ptr %16, align 4, !tbaa !5
  br label %91, !llvm.loop !14

169:                                              ; preds = %150
  %170 = landingpad { ptr, i32 }
          cleanup
  %171 = extractvalue { ptr, i32 } %170, 0
  store ptr %171, ptr %10, align 8
  %172 = extractvalue { ptr, i32 } %170, 1
  store i32 %172, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %173

173:                                              ; preds = %169, %134
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %174

174:                                              ; preds = %173, %107
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %185

175:                                              ; preds = %95
  %176 = load i32, ptr %13, align 4, !tbaa !5
  %177 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %176)
          to label %178 unwind label %181

178:                                              ; preds = %175
  %179 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %177, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %180 unwind label %181

180:                                              ; preds = %178
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %20, !llvm.loop !15

181:                                              ; preds = %178, %175
  %182 = landingpad { ptr, i32 }
          cleanup
  %183 = extractvalue { ptr, i32 } %182, 0
  store ptr %183, ptr %10, align 8
  %184 = extractvalue { ptr, i32 } %182, 1
  store i32 %184, ptr %11, align 4
  br label %185

185:                                              ; preds = %181, %174
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %186

186:                                              ; preds = %185, %68, %40
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %188

187:                                              ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  ret i32 0

188:                                              ; preds = %186
  %189 = load ptr, ptr %10, align 8
  %190 = load i32, ptr %11, align 4
  %191 = insertvalue { ptr, i32 } poison, ptr %189, 0
  %192 = insertvalue { ptr, i32 } %191, i32 %190, 1
  resume { ptr, i32 } %192
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #2

declare i32 @__gxx_personality_v0(...)

; 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) #3 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: 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)) #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "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 = { 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 #5 = { 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


; 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] }

@sum = external dso_local local_unnamed_addr global [100123 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = add nsw i32 %10, -1
  store i32 %11, ptr %3, align 4, !tbaa !5
  %.not43 = icmp eq i32 %10, 0
  br i1 %.not43, label %._crit_edge46, label %.lr.ph45

.lr.ph45:                                         ; preds = %2, %73
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %13 unwind label %32

13:                                               ; preds = %.lr.ph45
  %14 = 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) %12, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %15 unwind label %32

15:                                               ; preds = %13
  %16 = 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) %14, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %17 unwind label %32

17:                                               ; preds = %15
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %19
  store i32 0, ptr %20, align 4, !tbaa !5
  %21 = icmp sgt i32 %18, 0
  br i1 %21, label %.lr.ph.preheader, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  %22 = load i32, ptr @sum, align 16, !tbaa !5
  store i32 %22, ptr %7, align 4, !tbaa !5
  %23 = add nsw i32 %18, 1
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %24
  store i32 0, ptr %25, align 4, !tbaa !5
  br label %._crit_edge42

.lr.ph.preheader:                                 ; preds = %17
  %26 = zext nneg i32 %18 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph
  %.pre = load i32, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  %27 = load i32, ptr @sum, align 16, !tbaa !5
  store i32 %27, ptr %7, align 4, !tbaa !5
  %28 = add nsw i32 %.pre, 1
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %29
  store i32 0, ptr %30, align 4, !tbaa !5
  %31 = icmp sgt i32 %.pre, 0
  br i1 %31, label %.lr.ph41, label %._crit_edge42

32:                                               ; preds = %15, %13, %.lr.ph45
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %78

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %26, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %indvars.iv.next)
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %indvars.iv.next)
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %.not33 = icmp ne i8 %35, %37
  %38 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %indvars.iv
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = zext i1 %.not33 to i32
  %.sink = add nsw i32 %39, %40
  %41 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %indvars.iv.next
  store i32 %.sink, ptr %41, align 4
  %42 = icmp ugt i64 %indvars.iv, 1
  br i1 %42, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge42:                                    ; preds = %.lr.ph41, %._crit_edge.thread, %._crit_edge
  %43 = phi i32 [ %27, %._crit_edge ], [ %22, %._crit_edge.thread ], [ %67, %.lr.ph41 ]
  %44 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %43)
          to label %71 unwind label %76

.lr.ph41:                                         ; preds = %._crit_edge, %.lr.ph41
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %.lr.ph41 ], [ 0, %._crit_edge ]
  %.02438 = phi i32 [ %.125, %.lr.ph41 ], [ 0, %._crit_edge ]
  %.02637 = phi i32 [ %spec.select, %.lr.ph41 ], [ 0, %._crit_edge ]
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %indvars.iv48)
  %46 = load i8, ptr %45, align 1, !tbaa !9
  %47 = icmp eq i8 %46, 48
  %48 = zext i1 %47 to i32
  %spec.select = add nuw nsw i32 %.02637, %48
  %49 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %indvars.iv48)
  %50 = load i8, ptr %49, align 1, !tbaa !9
  %51 = icmp eq i8 %50, 49
  %52 = zext i1 %51 to i32
  %.125 = add nuw nsw i32 %.02438, %52
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %53 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef %indvars.iv.next49)
  %54 = load i8, ptr %53, align 1, !tbaa !9
  %.not32 = icmp ne i8 %54, 49
  %.0 = zext i1 %.not32 to i32
  %55 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %indvars.iv.next49)
  %56 = load i8, ptr %55, align 1, !tbaa !9
  %57 = icmp eq i8 %56, 49
  %58 = select i1 %.not32, i32 2, i32 1
  %.1 = select i1 %57, i32 %58, i32 %.0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  %59 = add nuw nsw i64 %indvars.iv48, 2
  %60 = getelementptr inbounds [100123 x i32], ptr @sum, i64 0, i64 %59
  %61 = load i32, ptr %60, align 4, !tbaa !5
  %62 = add nuw i32 %spec.select, 1
  %63 = add i32 %62, %.125
  %64 = add i32 %63, %61
  %65 = add i32 %64, %.1
  store i32 %65, ptr %8, align 4, !tbaa !5
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %67 = load i32, ptr %66, align 4, !tbaa !5
  store i32 %67, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %68 = load i32, ptr %4, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = icmp slt i64 %indvars.iv.next49, %69
  br i1 %70, label %.lr.ph41, label %._crit_edge42, !llvm.loop !12

71:                                               ; preds = %._crit_edge42
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %73 unwind label %76

73:                                               ; preds = %71
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  %74 = load i32, ptr %3, align 4, !tbaa !5
  %75 = add nsw i32 %74, -1
  store i32 %75, ptr %3, align 4, !tbaa !5
  %.not = icmp eq i32 %74, 0
  br i1 %.not, label %._crit_edge46, label %.lr.ph45, !llvm.loop !13

76:                                               ; preds = %71, %._crit_edge42
  %77 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  br label %78

78:                                               ; preds = %76, %32
  %.pn = phi { ptr, i32 } [ %77, %76 ], [ %33, %32 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  resume { ptr, i32 } %.pn

._crit_edge46:                                    ; preds = %73, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; 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 #3 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: 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 #4

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "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 = { 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 #5 = { 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}
!13 = distinct !{!13, !11}


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