; LLVM IR from eyangch/competitive-programming :: Codeforces/1363 (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] }

@_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() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %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
  store i32 0, ptr %1, align 4
  %17 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %18 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %20
  %22 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %24

24:                                               ; preds = %171, %0
  %25 = load i32, ptr %2, align 4, !tbaa !8
  %26 = add nsw i32 %25, -1
  store i32 %26, ptr %2, align 4, !tbaa !8
  %27 = icmp ne i32 %25, 0
  br i1 %27, label %28, label %180

28:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  %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) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %30 unwind label %50

30:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  %31 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  %32 = trunc i64 %31 to i32
  store i32 %32, ptr %6, align 4, !tbaa !8
  %33 = load i32, ptr %6, align 4, !tbaa !8
  %34 = zext i32 %33 to i64
  %35 = call ptr @llvm.stacksave.p0()
  store ptr %35, ptr %7, align 8
  %36 = alloca i32, i64 %34, align 16
  store i64 %34, ptr %8, align 8
  %37 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
          to label %38 unwind label %54

38:                                               ; preds = %30
  %39 = load i8, ptr %37, align 1, !tbaa !11
  %40 = sext i8 %39 to i32
  %41 = icmp eq i32 %40, 49
  %42 = zext i1 %41 to i64
  %43 = select i1 %41, i32 1, i32 0
  %44 = getelementptr inbounds i32, ptr %36, i64 0
  store i32 %43, ptr %44, align 16, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #8
  store i32 1, ptr %9, align 4, !tbaa !8
  br label %45

45:                                               ; preds = %77, %38
  %46 = load i32, ptr %9, align 4, !tbaa !8
  %47 = load i32, ptr %6, align 4, !tbaa !8
  %48 = icmp slt i32 %46, %47
  br i1 %48, label %58, label %49

49:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  br label %84

50:                                               ; preds = %28
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %4, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %5, align 4
  br label %179

54:                                               ; preds = %30
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %4, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %5, align 4
  br label %178

58:                                               ; preds = %45
  %59 = load i32, ptr %9, align 4, !tbaa !8
  %60 = sub nsw i32 %59, 1
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds i32, ptr %36, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !8
  %64 = load i32, ptr %9, align 4, !tbaa !8
  %65 = sext i32 %64 to i64
  %66 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %65)
          to label %67 unwind label %80

67:                                               ; preds = %58
  %68 = load i8, ptr %66, align 1, !tbaa !11
  %69 = sext i8 %68 to i32
  %70 = icmp eq i32 %69, 49
  %71 = zext i1 %70 to i64
  %72 = select i1 %70, i32 1, i32 0
  %73 = add nsw i32 %63, %72
  %74 = load i32, ptr %9, align 4, !tbaa !8
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds i32, ptr %36, i64 %75
  store i32 %73, ptr %76, align 4, !tbaa !8
  br label %77

77:                                               ; preds = %67
  %78 = load i32, ptr %9, align 4, !tbaa !8
  %79 = add nsw i32 %78, 1
  store i32 %79, ptr %9, align 4, !tbaa !8
  br label %45, !llvm.loop !12

80:                                               ; preds = %58
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %4, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #8
  br label %178

84:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  %85 = load i32, ptr %6, align 4, !tbaa !8
  %86 = load i32, ptr %6, align 4, !tbaa !8
  %87 = sub nsw i32 %86, 1
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds i32, ptr %36, i64 %88
  %90 = load i32, ptr %89, align 4, !tbaa !8
  %91 = sub nsw i32 %85, %90
  store i32 %91, ptr %11, align 4, !tbaa !8
  %92 = load i32, ptr %6, align 4, !tbaa !8
  %93 = sub nsw i32 %92, 1
  %94 = sext i32 %93 to i64
  %95 = getelementptr inbounds i32, ptr %36, i64 %94
  %96 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %95)
          to label %97 unwind label %104

97:                                               ; preds = %84
  %98 = load i32, ptr %96, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  store i32 %98, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %99

99:                                               ; preds = %154, %97
  %100 = load i32, ptr %12, align 4, !tbaa !8
  %101 = load i32, ptr %6, align 4, !tbaa !8
  %102 = icmp slt i32 %100, %101
  br i1 %102, label %108, label %103

103:                                              ; preds = %99
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  br label %166

104:                                              ; preds = %84
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %4, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  br label %177

108:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #8
  %109 = load i32, ptr %12, align 4, !tbaa !8
  %110 = add nsw i32 %109, 1
  %111 = load i32, ptr %12, align 4, !tbaa !8
  %112 = sext i32 %111 to i64
  %113 = getelementptr inbounds i32, ptr %36, i64 %112
  %114 = load i32, ptr %113, align 4, !tbaa !8
  %115 = sub nsw i32 %110, %114
  store i32 %115, ptr %14, align 4, !tbaa !8
  %116 = load i32, ptr %12, align 4, !tbaa !8
  %117 = sext i32 %116 to i64
  %118 = getelementptr inbounds i32, ptr %36, i64 %117
  %119 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %118)
          to label %120 unwind label %157

120:                                              ; preds = %108
  %121 = load i32, ptr %119, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #8
  %122 = load i32, ptr %6, align 4, !tbaa !8
  %123 = sub nsw i32 %122, 1
  %124 = load i32, ptr %12, align 4, !tbaa !8
  %125 = sub nsw i32 %123, %124
  %126 = load i32, ptr %6, align 4, !tbaa !8
  %127 = sub nsw i32 %126, 1
  %128 = sext i32 %127 to i64
  %129 = getelementptr inbounds i32, ptr %36, i64 %128
  %130 = load i32, ptr %129, align 4, !tbaa !8
  %131 = load i32, ptr %12, align 4, !tbaa !8
  %132 = sext i32 %131 to i64
  %133 = getelementptr inbounds i32, ptr %36, i64 %132
  %134 = load i32, ptr %133, align 4, !tbaa !8
  %135 = sub nsw i32 %130, %134
  %136 = sub nsw i32 %125, %135
  store i32 %136, ptr %15, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #8
  %137 = load i32, ptr %6, align 4, !tbaa !8
  %138 = sub nsw i32 %137, 1
  %139 = sext i32 %138 to i64
  %140 = getelementptr inbounds i32, ptr %36, i64 %139
  %141 = load i32, ptr %140, align 4, !tbaa !8
  %142 = load i32, ptr %12, align 4, !tbaa !8
  %143 = sext i32 %142 to i64
  %144 = getelementptr inbounds i32, ptr %36, i64 %143
  %145 = load i32, ptr %144, align 4, !tbaa !8
  %146 = sub nsw i32 %141, %145
  store i32 %146, ptr %16, align 4, !tbaa !8
  %147 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %148 unwind label %161

148:                                              ; preds = %120
  %149 = load i32, ptr %147, align 4, !tbaa !8
  %150 = add nsw i32 %121, %149
  store i32 %150, ptr %13, align 4, !tbaa !8
  %151 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %152 unwind label %161

152:                                              ; preds = %148
  %153 = load i32, ptr %151, align 4, !tbaa !8
  store i32 %153, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %154

154:                                              ; preds = %152
  %155 = load i32, ptr %12, align 4, !tbaa !8
  %156 = add nsw i32 %155, 1
  store i32 %156, ptr %12, align 4, !tbaa !8
  br label %99, !llvm.loop !14

157:                                              ; preds = %108
  %158 = landingpad { ptr, i32 }
          cleanup
  %159 = extractvalue { ptr, i32 } %158, 0
  store ptr %159, ptr %4, align 8
  %160 = extractvalue { ptr, i32 } %158, 1
  store i32 %160, ptr %5, align 4
  br label %165

161:                                              ; preds = %148, %120
  %162 = landingpad { ptr, i32 }
          cleanup
  %163 = extractvalue { ptr, i32 } %162, 0
  store ptr %163, ptr %4, align 8
  %164 = extractvalue { ptr, i32 } %162, 1
  store i32 %164, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  br label %165

165:                                              ; preds = %161, %157
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  br label %177

166:                                              ; preds = %103
  %167 = load i32, ptr %10, align 4, !tbaa !8
  %168 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %167)
          to label %169 unwind label %173

169:                                              ; preds = %166
  %170 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %168, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %171 unwind label %173

171:                                              ; preds = %169
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  %172 = load ptr, ptr %7, align 8
  call void @llvm.stackrestore.p0(ptr %172)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #8
  br label %24, !llvm.loop !15

173:                                              ; preds = %169, %166
  %174 = landingpad { ptr, i32 }
          cleanup
  %175 = extractvalue { ptr, i32 } %174, 0
  store ptr %175, ptr %4, align 8
  %176 = extractvalue { ptr, i32 } %174, 1
  store i32 %176, ptr %5, align 4
  br label %177

177:                                              ; preds = %173, %165, %104
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %178

178:                                              ; preds = %177, %80, %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %179

179:                                              ; preds = %178, %50
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %181

180:                                              ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  ret i32 0

181:                                              ; preds = %179
  %182 = load ptr, ptr %4, align 8
  %183 = load i32, ptr %5, align 4
  %184 = insertvalue { ptr, i32 } poison, ptr %182, 0
  %185 = insertvalue { ptr, i32 } %184, i32 %183, 1
  resume { ptr, i32 } %185
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #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)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; 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) #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6 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)) #7

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nocallback nofree nosync nounwind willreturn }
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 = { 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 = { 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 #8 = { nounwind }

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

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

@_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() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %10 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %11 = getelementptr i8, ptr %10, i64 -24
  %12 = load i64, ptr %11, align 8
  %13 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %12
  %14 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %13, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %16 = load i32, ptr %1, align 4, !tbaa !8
  %17 = add nsw i32 %16, -1
  store i32 %17, ptr %1, align 4, !tbaa !8
  %.not35 = icmp eq i32 %16, 0
  br i1 %.not35, label %._crit_edge38, label %.lr.ph37

.lr.ph37:                                         ; preds = %0, %70
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  %18 = 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 %19 unwind label %38

19:                                               ; preds = %.lr.ph37
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  %21 = trunc i64 %20 to i32
  %22 = and i64 %20, 4294967295
  %23 = call ptr @llvm.stacksave.p0()
  %24 = alloca i32, i64 %22, align 16
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef 0)
  %26 = load i8, ptr %25, align 1, !tbaa !11
  %27 = icmp eq i8 %26, 49
  %28 = zext i1 %27 to i32
  store i32 %28, ptr %24, align 16, !tbaa !8
  %29 = icmp sgt i32 %21, 1
  br i1 %29, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %19
  %wide.trip.count = and i64 %20, 2147483647
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %19
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %30 = add nsw i32 %21, -1
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds i32, ptr %24, i64 %31
  %33 = load i32, ptr %32, align 4, !tbaa !8
  %34 = sub nsw i32 %21, %33
  store i32 %34, ptr %4, align 4, !tbaa !8
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %32)
  %36 = load i32, ptr %35, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  store i32 %36, ptr %3, align 4, !tbaa !8
  %37 = icmp sgt i32 %21, 0
  br i1 %37, label %.lr.ph33.preheader, label %._crit_edge34

.lr.ph33.preheader:                               ; preds = %._crit_edge
  %wide.trip.count43 = and i64 %20, 2147483647
  br label %.lr.ph33

38:                                               ; preds = %.lr.ph37
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %75

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %40 = getelementptr i32, ptr %24, i64 %indvars.iv
  %41 = getelementptr i8, ptr %40, i64 -4
  %42 = load i32, ptr %41, align 4, !tbaa !8
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %indvars.iv)
  %44 = load i8, ptr %43, align 1, !tbaa !11
  %45 = icmp eq i8 %44, 49
  %46 = zext i1 %45 to i32
  %47 = add nsw i32 %42, %46
  store i32 %47, ptr %40, align 4, !tbaa !8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge34:                                    ; preds = %.lr.ph33, %._crit_edge
  %48 = phi i32 [ %36, %._crit_edge ], [ %67, %.lr.ph33 ]
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %48)
          to label %68 unwind label %73

.lr.ph33:                                         ; preds = %.lr.ph33.preheader, %.lr.ph33
  %indvars.iv40 = phi i64 [ 0, %.lr.ph33.preheader ], [ %indvars.iv.next41, %.lr.ph33 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #8
  %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1
  %50 = getelementptr inbounds i32, ptr %24, i64 %indvars.iv40
  %51 = load i32, ptr %50, align 4, !tbaa !8
  %52 = trunc nuw nsw i64 %indvars.iv.next41 to i32
  %53 = sub nsw i32 %52, %51
  store i32 %53, ptr %6, align 4, !tbaa !8
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %50)
  %55 = load i32, ptr %54, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #8
  %56 = load i32, ptr %32, align 4, !tbaa !8
  %57 = load i32, ptr %50, align 4, !tbaa !8
  %58 = trunc nuw nsw i64 %indvars.iv40 to i32
  %59 = add i32 %56, %58
  %60 = sub i32 %30, %59
  %61 = add i32 %60, %57
  store i32 %61, ptr %7, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #8
  %62 = sub nsw i32 %56, %57
  store i32 %62, ptr %8, align 4, !tbaa !8
  %63 = 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)
  %64 = load i32, ptr %63, align 4, !tbaa !8
  %65 = add nsw i32 %64, %55
  store i32 %65, ptr %5, align 4, !tbaa !8
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %67 = load i32, ptr %66, align 4, !tbaa !8
  store i32 %67, ptr %3, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  %exitcond44.not = icmp eq i64 %indvars.iv.next41, %wide.trip.count43
  br i1 %exitcond44.not, label %._crit_edge34, label %.lr.ph33, !llvm.loop !14

68:                                               ; preds = %._crit_edge34
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %70 unwind label %73

70:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  call void @llvm.stackrestore.p0(ptr %23)
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #8
  %71 = load i32, ptr %1, align 4, !tbaa !8
  %72 = add nsw i32 %71, -1
  store i32 %72, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %71, 0
  br i1 %.not, label %._crit_edge38, label %.lr.ph37, !llvm.loop !15

73:                                               ; preds = %68, %._crit_edge34
  %74 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  br label %75

75:                                               ; preds = %73, %38
  %.pn = phi { ptr, i32 } [ %74, %73 ], [ %39, %38 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn

._crit_edge38:                                    ; preds = %70, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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 #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 #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #4

; 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; 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 #1

; 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 #6 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)) #7

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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 = { "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 #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 = { 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 = { 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 #8 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!10, !10, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


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