; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1015_KUPC_2012 (E)

; 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::mersenne_twister_engine" = type { [624 x i64], i64 }
%"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.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }

@mt = external dso_local global %"class.std::mersenne_twister_engine", align 8
@_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 [20 x [20 x i8]], align 16
  %4 = alloca [20 x i32], align 16
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca ptr, 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 4, ptr %2) #6
  %16 = 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)
  call void @llvm.lifetime.start.p0(i64 400, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 80, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %75, %0
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %79

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  %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) %7)
          to label %24 unwind label %33

24:                                               ; preds = %22
  %25 = load i32, ptr %5, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [20 x i32], ptr %4, i64 0, i64 %26
  store i32 0, ptr %27, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %71, %24
  %29 = load i32, ptr %10, align 4, !tbaa !5
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %37, label %32

32:                                               ; preds = %28
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %74

33:                                               ; preds = %22
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %8, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %9, align 4
  br label %78

37:                                               ; preds = %28
  %38 = load i32, ptr %10, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %39)
          to label %41 unwind label %66

41:                                               ; preds = %37
  %42 = load i8, ptr %40, align 1, !tbaa !9
  %43 = sext i8 %42 to i32
  %44 = icmp eq i32 %43, 111
  %45 = load i32, ptr %5, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [20 x [20 x i8]], ptr %3, i64 0, i64 %46
  %48 = load i32, ptr %10, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [20 x i8], ptr %47, i64 0, i64 %49
  %51 = zext i1 %44 to i8
  store i8 %51, ptr %50, align 1, !tbaa !10
  %52 = load i32, ptr %5, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds [20 x [20 x i8]], ptr %3, i64 0, i64 %53
  %55 = load i32, ptr %10, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [20 x i8], ptr %54, i64 0, i64 %56
  %58 = load i8, ptr %57, align 1, !tbaa !10, !range !12, !noundef !13
  %59 = trunc i8 %58 to i1
  br i1 %59, label %60, label %70

60:                                               ; preds = %41
  %61 = load i32, ptr %5, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [20 x i32], ptr %4, i64 0, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %63, align 4, !tbaa !5
  br label %70

66:                                               ; preds = %37
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %8, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %78

70:                                               ; preds = %60, %41
  br label %71

71:                                               ; preds = %70
  %72 = load i32, ptr %10, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %10, align 4, !tbaa !5
  br label %28, !llvm.loop !14

74:                                               ; preds = %32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #6
  br label %75

75:                                               ; preds = %74
  %76 = load i32, ptr %5, align 4, !tbaa !5
  %77 = add nsw i32 %76, 1
  store i32 %77, ptr %5, align 4, !tbaa !5
  br label %17, !llvm.loop !16

78:                                               ; preds = %66, %33
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 400, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %137

79:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 -1, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %80

80:                                               ; preds = %96, %79
  %81 = load i32, ptr %12, align 4, !tbaa !5
  %82 = load i32, ptr %2, align 4, !tbaa !5
  %83 = icmp slt i32 %81, %82
  br i1 %83, label %85, label %84

84:                                               ; preds = %80
  store i32 8, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %99

85:                                               ; preds = %80
  %86 = load i32, ptr %12, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = getelementptr inbounds [20 x i32], ptr %4, i64 0, i64 %87
  %89 = load i32, ptr %88, align 4, !tbaa !5
  %90 = load i32, ptr %2, align 4, !tbaa !5
  %91 = sub nsw i32 %90, 1
  %92 = icmp eq i32 %89, %91
  br i1 %92, label %93, label %95

93:                                               ; preds = %85
  %94 = load i32, ptr %12, align 4, !tbaa !5
  store i32 %94, ptr %11, align 4, !tbaa !5
  br label %95

95:                                               ; preds = %93, %85
  br label %96

96:                                               ; preds = %95
  %97 = load i32, ptr %12, align 4, !tbaa !5
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %12, align 4, !tbaa !5
  br label %80, !llvm.loop !17

99:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  %100 = load i32, ptr %11, align 4, !tbaa !5
  %101 = icmp sge i32 %100, 0
  br i1 %101, label %102, label %117

102:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %103

103:                                              ; preds = %113, %102
  %104 = load i32, ptr %14, align 4, !tbaa !5
  %105 = icmp slt i32 %104, 1000
  br i1 %105, label %107, label %106

106:                                              ; preds = %103
  store i32 11, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %116

107:                                              ; preds = %103
  %108 = load i32, ptr %11, align 4, !tbaa !5
  %109 = add nsw i32 %108, 1
  %110 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %109)
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %110, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %112 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %13)
  br label %113

113:                                              ; preds = %107
  %114 = load i32, ptr %14, align 4, !tbaa !5
  %115 = add nsw i32 %114, 1
  store i32 %115, ptr %14, align 4, !tbaa !5
  br label %103, !llvm.loop !18

116:                                              ; preds = %106
  br label %135

117:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %118

118:                                              ; preds = %131, %117
  %119 = load i32, ptr %15, align 4, !tbaa !5
  %120 = icmp slt i32 %119, 1000
  br i1 %120, label %122, label %121

121:                                              ; preds = %118
  store i32 14, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %134

122:                                              ; preds = %118
  %123 = call noundef i64 @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEclEv(ptr noundef nonnull align 8 dereferenceable(5000) @mt)
  %124 = load i32, ptr %2, align 4, !tbaa !5
  %125 = sext i32 %124 to i64
  %126 = urem i64 %123, %125
  %127 = add i64 %126, 1
  %128 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %127)
  %129 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %128, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %130 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %13)
  br label %131

131:                                              ; preds = %122
  %132 = load i32, ptr %15, align 4, !tbaa !5
  %133 = add nsw i32 %132, 1
  store i32 %133, ptr %15, align 4, !tbaa !5
  br label %118, !llvm.loop !19

134:                                              ; preds = %121
  br label %135

135:                                              ; preds = %134, %116
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 400, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %136 = load i32, ptr %1, align 4
  ret i32 %136

137:                                              ; preds = %78
  %138 = load ptr, ptr %8, align 8
  %139 = load i32, ptr %9, align 4
  %140 = insertvalue { ptr, i32 } poison, ptr %138, 0
  %141 = insertvalue { ptr, i32 } %140, i32 %139, 1
  resume { ptr, i32 } %141
}

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

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

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

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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) #4 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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEclEv(ptr noundef nonnull align 8 dereferenceable(5000)) #4 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"bool", !7, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}
!18 = distinct !{!18, !15}
!19 = distinct !{!19, !15}


; 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::mersenne_twister_engine" = type { [624 x i64], i64 }
%"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.0 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.0 = type { i64, [8 x i8] }

@mt = external dso_local global %"class.std::mersenne_twister_engine", align 8
@_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 [20 x i32], align 16
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %5 = 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)
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %2) #6
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph36, label %._crit_edge40.thread

.preheader31:                                     ; preds = %._crit_edge
  %8 = icmp sgt i32 %16, 0
  br i1 %8, label %.lr.ph39, label %._crit_edge40.thread

.lr.ph39:                                         ; preds = %.preheader31
  %9 = add nsw i32 %16, -1
  %wide.trip.count = zext nneg i32 %16 to i64
  %xtraiter = and i64 %wide.trip.count, 3
  %10 = icmp ult i32 %16, 4
  br i1 %10, label %._crit_edge40.unr-lcssa, label %.lr.ph39.new

.lr.ph39.new:                                     ; preds = %.lr.ph39
  %unroll_iter = and i64 %wide.trip.count, 2147483644
  br label %38

.lr.ph36:                                         ; preds = %0, %._crit_edge
  %indvars.iv47 = phi i64 [ %indvars.iv.next48, %._crit_edge ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %11 = 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 %12 unwind label %19

12:                                               ; preds = %.lr.ph36
  %13 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %indvars.iv47
  store i32 0, ptr %13, align 4, !tbaa !5
  %14 = load i32, ptr %1, align 4, !tbaa !5
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %27, %12
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  %indvars.iv.next48 = add nuw nsw i64 %indvars.iv47, 1
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = icmp slt i64 %indvars.iv.next48, %17
  br i1 %18, label %.lr.ph36, label %.preheader31, !llvm.loop !9

19:                                               ; preds = %.lr.ph36
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %20

.lr.ph:                                           ; preds = %12, %27
  %21 = phi i32 [ %28, %27 ], [ 0, %12 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %27 ], [ 0, %12 ]
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %indvars.iv)
  %23 = load i8, ptr %22, align 1, !tbaa !11
  %24 = icmp eq i8 %23, 111
  br i1 %24, label %25, label %27

25:                                               ; preds = %.lr.ph
  %26 = add nsw i32 %21, 1
  store i32 %26, ptr %13, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %.lr.ph, %25
  %28 = phi i32 [ %21, %.lr.ph ], [ %26, %25 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = load i32, ptr %1, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = icmp slt i64 %indvars.iv.next, %30
  br i1 %31, label %.lr.ph, label %._crit_edge, !llvm.loop !12

._crit_edge40.thread:                             ; preds = %.preheader31, %0
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  br label %.preheader29.preheader

._crit_edge40.unr-lcssa:                          ; preds = %38, %.lr.ph39
  %spec.select.lcssa.ph = phi i32 [ poison, %.lr.ph39 ], [ %spec.select.3, %38 ]
  %indvars.iv50.unr = phi i64 [ 0, %.lr.ph39 ], [ %indvars.iv.next51.3, %38 ]
  %.02537.unr = phi i32 [ -1, %.lr.ph39 ], [ %spec.select.3, %38 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge40, label %.epil.preheader

.epil.preheader:                                  ; preds = %._crit_edge40.unr-lcssa, %.epil.preheader
  %indvars.iv50.epil = phi i64 [ %indvars.iv.next51.epil, %.epil.preheader ], [ %indvars.iv50.unr, %._crit_edge40.unr-lcssa ]
  %.02537.epil = phi i32 [ %spec.select.epil, %.epil.preheader ], [ %.02537.unr, %._crit_edge40.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.epil.preheader ], [ 0, %._crit_edge40.unr-lcssa ]
  %32 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %indvars.iv50.epil
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = icmp eq i32 %33, %9
  %35 = trunc nuw nsw i64 %indvars.iv50.epil to i32
  %spec.select.epil = select i1 %34, i32 %35, i32 %.02537.epil
  %indvars.iv.next51.epil = add nuw nsw i64 %indvars.iv50.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge40, label %.epil.preheader, !llvm.loop !13

._crit_edge40:                                    ; preds = %.epil.preheader, %._crit_edge40.unr-lcssa
  %spec.select.lcssa = phi i32 [ %spec.select.lcssa.ph, %._crit_edge40.unr-lcssa ], [ %spec.select.epil, %.epil.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %36 = icmp sgt i32 %spec.select.lcssa, -1
  br i1 %36, label %.preheader, label %.preheader29.preheader

.preheader29.preheader:                           ; preds = %._crit_edge40.thread, %._crit_edge40
  br label %.preheader29

.preheader:                                       ; preds = %._crit_edge40
  %37 = add nuw nsw i32 %spec.select.lcssa, 1
  br label %55

38:                                               ; preds = %38, %.lr.ph39.new
  %indvars.iv50 = phi i64 [ 0, %.lr.ph39.new ], [ %indvars.iv.next51.3, %38 ]
  %.02537 = phi i32 [ -1, %.lr.ph39.new ], [ %spec.select.3, %38 ]
  %niter = phi i64 [ 0, %.lr.ph39.new ], [ %niter.next.3, %38 ]
  %39 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %indvars.iv50
  %40 = load i32, ptr %39, align 16, !tbaa !5
  %41 = icmp eq i32 %40, %9
  %42 = trunc nuw nsw i64 %indvars.iv50 to i32
  %spec.select = select i1 %41, i32 %42, i32 %.02537
  %indvars.iv.next51 = or disjoint i64 %indvars.iv50, 1
  %43 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %indvars.iv.next51
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = icmp eq i32 %44, %9
  %46 = trunc nuw nsw i64 %indvars.iv.next51 to i32
  %spec.select.1 = select i1 %45, i32 %46, i32 %spec.select
  %indvars.iv.next51.1 = or disjoint i64 %indvars.iv50, 2
  %47 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %indvars.iv.next51.1
  %48 = load i32, ptr %47, align 8, !tbaa !5
  %49 = icmp eq i32 %48, %9
  %50 = trunc nuw nsw i64 %indvars.iv.next51.1 to i32
  %spec.select.2 = select i1 %49, i32 %50, i32 %spec.select.1
  %indvars.iv.next51.2 = or disjoint i64 %indvars.iv50, 3
  %51 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %indvars.iv.next51.2
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = icmp eq i32 %52, %9
  %54 = trunc nuw nsw i64 %indvars.iv.next51.2 to i32
  %spec.select.3 = select i1 %53, i32 %54, i32 %spec.select.2
  %indvars.iv.next51.3 = add nuw nsw i64 %indvars.iv50, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge40.unr-lcssa, label %38, !llvm.loop !15

55:                                               ; preds = %.preheader, %55
  %.02343 = phi i32 [ 0, %.preheader ], [ %59, %55 ]
  %56 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %37)
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %58 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %59 = add nuw nsw i32 %.02343, 1
  %exitcond54.not = icmp eq i32 %59, 1000
  br i1 %exitcond54.not, label %.loopexit, label %55, !llvm.loop !16

.preheader29:                                     ; preds = %.preheader29.preheader, %.preheader29
  %.042 = phi i32 [ %68, %.preheader29 ], [ 0, %.preheader29.preheader ]
  %60 = call noundef i64 @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEclEv(ptr noundef nonnull align 8 dereferenceable(5000) @mt)
  %61 = load i32, ptr %1, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = urem i64 %60, %62
  %64 = add nuw i64 %63, 1
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %64)
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %65, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %67 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %68 = add nuw nsw i32 %.042, 1
  %exitcond53.not = icmp eq i32 %68, 1000
  br i1 %exitcond53.not, label %.loopexit, label %.preheader29, !llvm.loop !17

.loopexit:                                        ; preds = %.preheader29, %55
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

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

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

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

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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 #4 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 uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEclEv(ptr noundef nonnull align 8 dereferenceable(5000)) local_unnamed_addr #4 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.unroll.disable"}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !10}


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