; LLVM IR from kazunetakahashi/atcoder :: 201610_12/1126_code_fes_2016_final (A)

; 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
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca [100 x [100 x %"class.std::__cxx11::basic_string"]], align 16
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %12 = 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)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 320000, ptr %4) #7
  %14 = getelementptr inbounds [100 x [100 x %"class.std::__cxx11::basic_string"]], ptr %4, i32 0, i32 0, i32 0
  %15 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %14, i64 10000
  br label %16

16:                                               ; preds = %16, %0
  %17 = phi ptr [ %14, %0 ], [ %18, %16 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #7
  %18 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %17, i64 1
  %19 = icmp eq ptr %18, %15
  br i1 %19, label %20, label %16

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %49, %20
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %52

26:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %41, %26
  %28 = load i32, ptr %7, align 4, !tbaa !5
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %48

32:                                               ; preds = %27
  %33 = load i32, ptr %5, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [100 x [100 x %"class.std::__cxx11::basic_string"]], ptr %4, i64 0, i64 %34
  %36 = load i32, ptr %7, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100 x %"class.std::__cxx11::basic_string"], ptr %35, i64 0, i64 %37
  %39 = 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) %38)
          to label %40 unwind label %44

40:                                               ; preds = %32
  br label %41

41:                                               ; preds = %40
  %42 = load i32, ptr %7, align 4, !tbaa !5
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %7, align 4, !tbaa !5
  br label %27, !llvm.loop !9

44:                                               ; preds = %32
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %8, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %113

48:                                               ; preds = %31
  br label %49

49:                                               ; preds = %48
  %50 = load i32, ptr %5, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %5, align 4, !tbaa !5
  br label %21, !llvm.loop !11

52:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %53

53:                                               ; preds = %96, %52
  %54 = load i32, ptr %10, align 4, !tbaa !5
  %55 = load i32, ptr %2, align 4, !tbaa !5
  %56 = icmp slt i32 %54, %55
  br i1 %56, label %58, label %57

57:                                               ; preds = %53
  store i32 8, ptr %6, align 4
  br label %99

58:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %59

59:                                               ; preds = %90, %58
  %60 = load i32, ptr %11, align 4, !tbaa !5
  %61 = load i32, ptr %3, align 4, !tbaa !5
  %62 = icmp slt i32 %60, %61
  br i1 %62, label %64, label %63

63:                                               ; preds = %59
  store i32 11, ptr %6, align 4
  br label %93

64:                                               ; preds = %59
  %65 = load i32, ptr %10, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [100 x [100 x %"class.std::__cxx11::basic_string"]], ptr %4, i64 0, i64 %66
  %68 = load i32, ptr %11, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [100 x %"class.std::__cxx11::basic_string"], ptr %67, i64 0, i64 %69
  %71 = invoke noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %70, ptr noundef @.str)
          to label %72 unwind label %85

72:                                               ; preds = %64
  br i1 %71, label %73, label %89

73:                                               ; preds = %72
  %74 = load i32, ptr %11, align 4, !tbaa !5
  %75 = add nsw i32 65, %74
  %76 = trunc i32 %75 to i8
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext %76)
          to label %78 unwind label %85

78:                                               ; preds = %73
  %79 = load i32, ptr %10, align 4, !tbaa !5
  %80 = add nsw i32 %79, 1
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %80)
          to label %82 unwind label %85

82:                                               ; preds = %78
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %84 unwind label %85

84:                                               ; preds = %82
  store i32 0, ptr %1, align 4
  store i32 1, ptr %6, align 4
  br label %93

85:                                               ; preds = %82, %78, %73, %64
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %8, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %113

89:                                               ; preds = %72
  br label %90

90:                                               ; preds = %89
  %91 = load i32, ptr %11, align 4, !tbaa !5
  %92 = add nsw i32 %91, 1
  store i32 %92, ptr %11, align 4, !tbaa !5
  br label %59, !llvm.loop !12

93:                                               ; preds = %84, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  %94 = load i32, ptr %6, align 4
  switch i32 %94, label %99 [
    i32 11, label %95
  ]

95:                                               ; preds = %93
  br label %96

96:                                               ; preds = %95
  %97 = load i32, ptr %10, align 4, !tbaa !5
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %10, align 4, !tbaa !5
  br label %53, !llvm.loop !13

99:                                               ; preds = %93, %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  %100 = load i32, ptr %6, align 4
  switch i32 %100, label %102 [
    i32 8, label %101
  ]

101:                                              ; preds = %99
  store i32 0, ptr %6, align 4
  br label %102

102:                                              ; preds = %101, %99
  %103 = getelementptr inbounds [100 x [100 x %"class.std::__cxx11::basic_string"]], ptr %4, i32 0, i32 0, i32 0
  %104 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %103, i64 10000
  br label %105

105:                                              ; preds = %105, %102
  %106 = phi ptr [ %104, %102 ], [ %107, %105 ]
  %107 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %106, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %107) #7
  %108 = icmp eq ptr %107, %103
  br i1 %108, label %109, label %105

109:                                              ; preds = %105
  call void @llvm.lifetime.end.p0(i64 320000, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %110 = load i32, ptr %6, align 4
  switch i32 %110, label %126 [
    i32 0, label %111
    i32 1, label %111
  ]

111:                                              ; preds = %109, %109
  %112 = load i32, ptr %1, align 4
  ret i32 %112

113:                                              ; preds = %85, %44
  %114 = getelementptr inbounds [100 x [100 x %"class.std::__cxx11::basic_string"]], ptr %4, i32 0, i32 0, i32 0
  %115 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %114, i64 10000
  br label %116

116:                                              ; preds = %116, %113
  %117 = phi ptr [ %115, %113 ], [ %118, %116 ]
  %118 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %117, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %118) #7
  %119 = icmp eq ptr %118, %114
  br i1 %119, label %120, label %116

120:                                              ; preds = %116
  call void @llvm.lifetime.end.p0(i64 320000, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %121

121:                                              ; preds = %120
  %122 = load ptr, ptr %8, align 8
  %123 = load i32, ptr %9, align 4
  %124 = insertvalue { ptr, i32 } poison, ptr %122, 0
  %125 = insertvalue { ptr, i32 } %124, i32 %123, 1
  resume { ptr, i32 } %125

126:                                              ; preds = %109
  unreachable
}

; 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: 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 zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #4

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

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) #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)) #5

; 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !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_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
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca [100 x [100 x %"class.std::__cxx11::basic_string"]], align 16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %4 = 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)
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %4, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 320000, ptr nonnull %3) #7
  br label %6

6:                                                ; preds = %6, %0
  %.idx = phi i64 [ 0, %0 ], [ %.add, %6 ]
  %.ptr = getelementptr inbounds i8, ptr %3, i64 %.idx
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %.ptr) #7
  %.add = add nuw nsw i64 %.idx, 32
  %7 = icmp eq i64 %.add, 320000
  br i1 %7, label %.preheader34, label %6

.preheader34:                                     ; preds = %6
  %8 = getelementptr inbounds i8, ptr %3, i64 320000
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  %11 = load i32, ptr %2, align 4
  %12 = icmp sgt i32 %11, 0
  %or.cond = select i1 %10, i1 %12, i1 false
  br i1 %or.cond, label %.preheader33, label %.loopexit.preheader

.preheader33:                                     ; preds = %.preheader34, %._crit_edge
  %13 = phi i32 [ %18, %._crit_edge ], [ %9, %.preheader34 ]
  %14 = phi i32 [ %19, %._crit_edge ], [ %11, %.preheader34 ]
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %._crit_edge ], [ 0, %.preheader34 ]
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.lr.ph, label %._crit_edge

.preheader32:                                     ; preds = %._crit_edge
  %16 = icmp sgt i32 %18, 0
  %.pr = load i32, ptr %2, align 4
  %17 = icmp sgt i32 %.pr, 0
  %or.cond64 = select i1 %16, i1 %17, i1 false
  br i1 %or.cond64, label %.preheader, label %.loopexit.preheader

._crit_edge.loopexit:                             ; preds = %24
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader33
  %18 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %13, %.preheader33 ]
  %19 = phi i32 [ %25, %._crit_edge.loopexit ], [ %14, %.preheader33 ]
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %20 = sext i32 %18 to i64
  %21 = icmp slt i64 %indvars.iv.next49, %20
  br i1 %21, label %.preheader33, label %.preheader32, !llvm.loop !9

.lr.ph:                                           ; preds = %.preheader33, %24
  %indvars.iv = phi i64 [ %indvars.iv.next, %24 ], [ 0, %.preheader33 ]
  %22 = getelementptr inbounds [100 x [100 x %"class.std::__cxx11::basic_string"]], ptr %3, i64 0, i64 %indvars.iv48, i64 %indvars.iv
  %23 = 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) %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.loopexit, !llvm.loop !12

28:                                               ; preds = %.lr.ph
  %29 = landingpad { ptr, i32 }
          cleanup
  br label %57

.preheader:                                       ; preds = %.preheader32, %.critedge
  %30 = phi i32 [ %49, %.critedge ], [ %18, %.preheader32 ]
  %31 = phi i32 [ %50, %.critedge ], [ %.pr, %.preheader32 ]
  %indvars.iv54 = phi i64 [ %indvars.iv.next55, %.critedge ], [ 0, %.preheader32 ]
  %.not39 = icmp sgt i32 %31, 0
  br i1 %.not39, label %.lr.ph41, label %.critedge

.lr.ph41:                                         ; preds = %.preheader, %46
  %indvars.iv51 = phi i64 [ %indvars.iv.next52, %46 ], [ 0, %.preheader ]
  %32 = getelementptr inbounds [100 x [100 x %"class.std::__cxx11::basic_string"]], ptr %3, i64 0, i64 %indvars.iv54, i64 %indvars.iv51
  %33 = call noundef zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32) %32, ptr noundef nonnull @.str)
  br i1 %33, label %34, label %46

34:                                               ; preds = %.lr.ph41
  %35 = trunc i64 %indvars.iv51 to i8
  %36 = add i8 %35, 65
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i8 noundef signext %36)
          to label %38 unwind label %44

38:                                               ; preds = %34
  %39 = trunc nuw nsw i64 %indvars.iv54 to i32
  %40 = add nuw nsw i32 %39, 1
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %40)
          to label %42 unwind label %44

42:                                               ; preds = %38
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.loopexit.preheader unwind label %44

44:                                               ; preds = %42, %38, %34
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %57

46:                                               ; preds = %.lr.ph41
  %indvars.iv.next52 = add nuw nsw i64 %indvars.iv51, 1
  %47 = load i32, ptr %2, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %.not = icmp slt i64 %indvars.iv.next52, %48
  br i1 %.not, label %.lr.ph41, label %.critedge.loopexit, !llvm.loop !13

.critedge.loopexit:                               ; preds = %46
  %.pre57 = load i32, ptr %1, align 4, !tbaa !5
  br label %.critedge

.critedge:                                        ; preds = %.critedge.loopexit, %.preheader
  %49 = phi i32 [ %.pre57, %.critedge.loopexit ], [ %30, %.preheader ]
  %50 = phi i32 [ %47, %.critedge.loopexit ], [ %31, %.preheader ]
  %indvars.iv.next55 = add nuw nsw i64 %indvars.iv54, 1
  %51 = sext i32 %49 to i64
  %52 = icmp slt i64 %indvars.iv.next55, %51
  br i1 %52, label %.preheader, label %.loopexit.preheader, !llvm.loop !14

.loopexit.preheader:                              ; preds = %.critedge, %.preheader34, %.preheader32, %42
  br label %.loopexit

.loopexit:                                        ; preds = %.loopexit.preheader, %.loopexit
  %53 = phi ptr [ %54, %.loopexit ], [ %8, %.loopexit.preheader ]
  %54 = getelementptr inbounds i8, ptr %53, i64 -32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %54) #7
  %55 = icmp eq ptr %54, %3
  br i1 %55, label %56, label %.loopexit

56:                                               ; preds = %.loopexit
  call void @llvm.lifetime.end.p0(i64 320000, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

57:                                               ; preds = %44, %28
  %.pn = phi { ptr, i32 } [ %29, %28 ], [ %45, %44 ]
  br label %58

58:                                               ; preds = %58, %57
  %59 = phi ptr [ %8, %57 ], [ %60, %58 ]
  %60 = getelementptr inbounds i8, ptr %59, i64 -32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %60) #7
  %61 = icmp eq ptr %60, %3
  br i1 %61, label %62, label %58

62:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 320000, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn
}

; 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 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 zeroext i1 @_ZSteqIcSt11char_traitsIcESaIcEEbRKNSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #4

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

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 #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)) #5

; 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { 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 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.unswitch.partial.disable"}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10, !11}


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