; LLVM IR from MinhasKamal/AlgorithmImplementations :: search/binarySearch (BinarySearch)

; 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_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }

@.str = external hidden unnamed_addr constant [23 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [20 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.3 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::basic_ifstream", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr %2) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2)
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %2, ptr noundef @.str, i32 noundef 8)
          to label %16 unwind label %22

16:                                               ; preds = %0
  %17 = invoke noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %2)
          to label %18 unwind label %22

18:                                               ; preds = %16
  br i1 %17, label %26, label %19

19:                                               ; preds = %18
  %20 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %21 unwind label %22

21:                                               ; preds = %19
  store i32 0, ptr %1, align 4
  store i32 1, ptr %5, align 4
  br label %160

22:                                               ; preds = %19, %16, %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 %162

26:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %27 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %28 unwind label %38

28:                                               ; preds = %26
  %29 = load i32, ptr %6, align 4, !tbaa !5
  %30 = zext i32 %29 to i64
  %31 = call ptr @llvm.stacksave.p0()
  store ptr %31, ptr %7, align 8
  %32 = alloca i32, i64 %30, align 16
  store i64 %30, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %48, %28
  %34 = load i32, ptr %9, align 4, !tbaa !5
  %35 = load i32, ptr %6, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %42, label %37

37:                                               ; preds = %33
  store i32 2, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %55

38:                                               ; preds = %26
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %3, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %4, align 4
  br label %159

42:                                               ; preds = %33
  %43 = load i32, ptr %9, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds i32, ptr %32, i64 %44
  %46 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) %45)
          to label %47 unwind label %51

47:                                               ; preds = %42
  br label %48

48:                                               ; preds = %47
  %49 = load i32, ptr %9, align 4, !tbaa !5
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %9, align 4, !tbaa !5
  br label %33, !llvm.loop !9

51:                                               ; preds = %42
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %3, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %159

55:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %57 unwind label %80

57:                                               ; preds = %55
  %58 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %59 unwind label %80

59:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %60 = load i32, ptr %6, align 4, !tbaa !5
  %61 = sub nsw i32 %60, 1
  store i32 %61, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 -1, ptr %13, align 4, !tbaa !5
  br label %62

62:                                               ; preds = %109, %59
  %63 = load i32, ptr %12, align 4, !tbaa !5
  %64 = load i32, ptr %11, align 4, !tbaa !5
  %65 = sub nsw i32 %63, %64
  %66 = icmp sgt i32 %65, 0
  br i1 %66, label %67, label %110

67:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  %68 = load i32, ptr %12, align 4, !tbaa !5
  %69 = load i32, ptr %11, align 4, !tbaa !5
  %70 = add nsw i32 %68, %69
  %71 = sdiv i32 %70, 2
  store i32 %71, ptr %14, align 4, !tbaa !5
  %72 = load i32, ptr %14, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds i32, ptr %32, i64 %73
  %75 = load i32, ptr %74, align 4, !tbaa !5
  %76 = load i32, ptr %10, align 4, !tbaa !5
  %77 = icmp eq i32 %75, %76
  br i1 %77, label %78, label %84

78:                                               ; preds = %67
  %79 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %79, ptr %13, align 4, !tbaa !5
  store i32 6, ptr %5, align 4
  br label %107

80:                                               ; preds = %57, %55
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %3, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %4, align 4
  br label %158

84:                                               ; preds = %67
  %85 = load i32, ptr %14, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds i32, ptr %32, i64 %86
  %88 = load i32, ptr %87, align 4, !tbaa !5
  %89 = load i32, ptr %10, align 4, !tbaa !5
  %90 = icmp sgt i32 %88, %89
  br i1 %90, label %91, label %94

91:                                               ; preds = %84
  %92 = load i32, ptr %14, align 4, !tbaa !5
  %93 = sub nsw i32 %92, 1
  store i32 %93, ptr %12, align 4, !tbaa !5
  br label %105

94:                                               ; preds = %84
  %95 = load i32, ptr %14, align 4, !tbaa !5
  %96 = sext i32 %95 to i64
  %97 = getelementptr inbounds i32, ptr %32, i64 %96
  %98 = load i32, ptr %97, align 4, !tbaa !5
  %99 = load i32, ptr %10, align 4, !tbaa !5
  %100 = icmp slt i32 %98, %99
  br i1 %100, label %101, label %104

101:                                              ; preds = %94
  %102 = load i32, ptr %14, align 4, !tbaa !5
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr %11, align 4, !tbaa !5
  br label %104

104:                                              ; preds = %101, %94
  br label %105

105:                                              ; preds = %104, %91
  br label %106

106:                                              ; preds = %105
  store i32 0, ptr %5, align 4
  br label %107

107:                                              ; preds = %106, %78
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  %108 = load i32, ptr %5, align 4
  switch i32 %108, label %168 [
    i32 0, label %109
    i32 6, label %110
  ]

109:                                              ; preds = %107
  br label %62, !llvm.loop !11

110:                                              ; preds = %107, %62
  %111 = load i32, ptr %13, align 4, !tbaa !5
  %112 = icmp eq i32 %111, -1
  br i1 %112, label %113, label %120

113:                                              ; preds = %110
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
          to label %115 unwind label %116

115:                                              ; preds = %113
  br label %154

116:                                              ; preds = %154, %120, %113
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %3, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %4, align 4
  br label %157

120:                                              ; preds = %110
  %121 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
          to label %122 unwind label %116

122:                                              ; preds = %120
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  %123 = load i32, ptr %11, align 4, !tbaa !5
  store i32 %123, ptr %15, align 4, !tbaa !5
  br label %124

124:                                              ; preds = %150, %122
  %125 = load i32, ptr %15, align 4, !tbaa !5
  %126 = load i32, ptr %12, align 4, !tbaa !5
  %127 = icmp sle i32 %125, %126
  br i1 %127, label %129, label %128

128:                                              ; preds = %124
  store i32 7, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %153

129:                                              ; preds = %124
  %130 = load i32, ptr %15, align 4, !tbaa !5
  %131 = sext i32 %130 to i64
  %132 = getelementptr inbounds i32, ptr %32, i64 %131
  %133 = load i32, ptr %132, align 4, !tbaa !5
  %134 = load i32, ptr %10, align 4, !tbaa !5
  %135 = icmp eq i32 %133, %134
  br i1 %135, label %136, label %149

136:                                              ; preds = %129
  %137 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %138 unwind label %145

138:                                              ; preds = %136
  %139 = load i32, ptr %15, align 4, !tbaa !5
  %140 = add nsw i32 %139, 1
  %141 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %137, i32 noundef %140)
          to label %142 unwind label %145

142:                                              ; preds = %138
  %143 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %141, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %144 unwind label %145

144:                                              ; preds = %142
  br label %149

145:                                              ; preds = %142, %138, %136
  %146 = landingpad { ptr, i32 }
          cleanup
  %147 = extractvalue { ptr, i32 } %146, 0
  store ptr %147, ptr %3, align 8
  %148 = extractvalue { ptr, i32 } %146, 1
  store i32 %148, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %157

149:                                              ; preds = %144, %129
  br label %150

150:                                              ; preds = %149
  %151 = load i32, ptr %15, align 4, !tbaa !5
  %152 = add nsw i32 %151, 1
  store i32 %152, ptr %15, align 4, !tbaa !5
  br label %124, !llvm.loop !12

153:                                              ; preds = %128
  br label %154

154:                                              ; preds = %153, %115
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256) %2)
          to label %155 unwind label %116

155:                                              ; preds = %154
  store i32 0, ptr %1, align 4
  store i32 1, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  %156 = load ptr, ptr %7, align 8
  call void @llvm.stackrestore.p0(ptr %156)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %160

157:                                              ; preds = %145, %116
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %158

158:                                              ; preds = %157, %80
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %159

159:                                              ; preds = %158, %51, %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %162

160:                                              ; preds = %155, %21
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #7
  %161 = load i32, ptr %1, align 4
  ret i32 %161

162:                                              ; preds = %159, %22
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #7
  br label %163

163:                                              ; preds = %162
  %164 = load ptr, ptr %3, align 8
  %165 = load i32, ptr %4, align 4
  %166 = insertvalue { ptr, i32 } poison, ptr %164, 0
  %167 = insertvalue { ptr, i32 } %166, i32 %165, 1
  resume { ptr, i32 } %167

168:                                              ; preds = %107
  unreachable
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #6

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 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)) #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #6

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #5 = { "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 = { nocallback nofree nosync nounwind willreturn }
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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; 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_ostream" = type { ptr, %"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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }

@.str = external hidden unnamed_addr constant [23 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [20 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.3 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [18 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::basic_ifstream", align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %1) #7
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1)
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %1, ptr noundef nonnull @.str, i32 noundef 8)
          to label %4 unwind label %8

4:                                                ; preds = %0
  %5 = call noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256) %1)
  br i1 %5, label %10, label %6

6:                                                ; preds = %4
  %7 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %78 unwind label %8

8:                                                ; preds = %6, %0
  %9 = landingpad { ptr, i32 }
          cleanup
  br label %79

10:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %12 unwind label %20

12:                                               ; preds = %10
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = zext i32 %13 to i64
  %15 = call ptr @llvm.stacksave.p0()
  %16 = alloca i32, i64 %14, align 16
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = icmp sgt i32 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %24, %12
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
          to label %30 unwind label %44

20:                                               ; preds = %10
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %77

.lr.ph:                                           ; preds = %12, %24
  %indvars.iv = phi i64 [ %indvars.iv.next, %24 ], [ 0, %12 ]
  %22 = getelementptr inbounds i32, ptr %16, i64 %indvars.iv
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %22)
          to label %24 unwind label %28

24:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = icmp slt i64 %indvars.iv.next, %26
  br i1 %27, label %.lr.ph, label %._crit_edge, !llvm.loop !9

28:                                               ; preds = %.lr.ph
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %77

30:                                               ; preds = %._crit_edge
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %32 unwind label %44

32:                                               ; preds = %30
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = icmp sgt i32 %33, 1
  br i1 %34, label %.lr.ph59, label %.thread.thread

.lr.ph59:                                         ; preds = %32
  %35 = add nsw i32 %33, -1
  %36 = load i32, ptr %3, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %.lr.ph59, %46
  %.02657 = phi i32 [ %35, %.lr.ph59 ], [ %.228, %46 ]
  %.02956 = phi i32 [ 0, %.lr.ph59 ], [ %.231, %46 ]
  %38 = add nsw i32 %.02657, %.02956
  %39 = sdiv i32 %38, 2
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds i32, ptr %16, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = icmp eq i32 %42, %36
  br i1 %43, label %.thread, label %46

44:                                               ; preds = %30, %._crit_edge
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %76

46:                                               ; preds = %37
  %47 = icmp sgt i32 %42, %36
  %48 = add nsw i32 %39, -1
  %49 = icmp slt i32 %42, %36
  %50 = add nsw i32 %39, 1
  %spec.select = select i1 %49, i32 %50, i32 %.02956
  %.231 = select i1 %47, i32 %.02956, i32 %spec.select
  %.228 = select i1 %47, i32 %48, i32 %.02657
  %51 = icmp sgt i32 %.228, %.231
  br i1 %51, label %37, label %.thread.thread

.thread:                                          ; preds = %37
  %.off = add i32 %38, 3
  %52 = icmp ult i32 %.off, 2
  br i1 %52, label %.thread.thread, label %56

.thread.thread:                                   ; preds = %46, %32, %.thread
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
          to label %.loopexit unwind label %54

54:                                               ; preds = %.loopexit, %56, %.thread.thread
  %55 = landingpad { ptr, i32 }
          cleanup
  br label %76

56:                                               ; preds = %.thread
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
          to label %.preheader unwind label %54

.preheader:                                       ; preds = %56
  %.not66 = icmp sgt i32 %.02956, %.02657
  br i1 %.not66, label %.loopexit, label %.lr.ph68.preheader

.lr.ph68.preheader:                               ; preds = %.preheader
  %58 = sext i32 %.02956 to i64
  %59 = add nsw i32 %.02657, 1
  br label %.lr.ph68

.lr.ph68:                                         ; preds = %.lr.ph68.preheader, %74
  %indvars.iv70 = phi i64 [ %58, %.lr.ph68.preheader ], [ %indvars.iv.next71.pre-phi, %74 ]
  %60 = getelementptr inbounds i32, ptr %16, i64 %indvars.iv70
  %61 = load i32, ptr %60, align 4, !tbaa !5
  %62 = load i32, ptr %3, align 4, !tbaa !5
  %63 = icmp eq i32 %61, %62
  br i1 %63, label %64, label %.lr.ph68._crit_edge

.lr.ph68._crit_edge:                              ; preds = %.lr.ph68
  %.pre = add nsw i64 %indvars.iv70, 1
  %.pre73 = trunc i64 %.pre to i32
  br label %74

64:                                               ; preds = %.lr.ph68
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
          to label %66 unwind label %72

66:                                               ; preds = %64
  %67 = add nsw i64 %indvars.iv70, 1
  %68 = trunc i64 %67 to i32
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %65, i32 noundef %68)
          to label %70 unwind label %72

70:                                               ; preds = %66
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %69, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %74 unwind label %72

72:                                               ; preds = %70, %66, %64
  %73 = landingpad { ptr, i32 }
          cleanup
  br label %76

74:                                               ; preds = %.lr.ph68._crit_edge, %70
  %lftr.wideiv.pre-phi = phi i32 [ %.pre73, %.lr.ph68._crit_edge ], [ %68, %70 ]
  %indvars.iv.next71.pre-phi = phi i64 [ %.pre, %.lr.ph68._crit_edge ], [ %67, %70 ]
  %exitcond.not = icmp eq i32 %lftr.wideiv.pre-phi, %59
  br i1 %exitcond.not, label %.loopexit, label %.lr.ph68, !llvm.loop !11

.loopexit:                                        ; preds = %74, %.preheader, %.thread.thread
  invoke void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256) %1)
          to label %75 unwind label %54

75:                                               ; preds = %.loopexit
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.stackrestore.p0(ptr %15)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  br label %78

76:                                               ; preds = %54, %72, %44
  %.pn.pn = phi { ptr, i32 } [ %45, %44 ], [ %55, %54 ], [ %73, %72 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  br label %77

77:                                               ; preds = %76, %28, %20
  %.pn47 = phi { ptr, i32 } [ %29, %28 ], [ %.pn.pn, %76 ], [ %21, %20 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  br label %79

78:                                               ; preds = %6, %75
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #7
  ret i32 0

79:                                               ; preds = %77, %8
  %.pn47.pn = phi { ptr, i32 } [ %.pn47, %77 ], [ %9, %8 ]
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #7
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn47.pn
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE4openEPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE7is_openEv(ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

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 #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #6

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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; 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 #2 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)) #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(256)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #6

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #5 = { "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 nocallback nofree nosync nounwind willreturn }
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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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