; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/1105 (main)

; 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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca [20 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = 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 80, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  br label %12

12:                                               ; preds = %99, %0
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr %13, i64 %16
  %18 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %17)
  br i1 %18, label %19, label %32

19:                                               ; preds = %12
  %20 = 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)
  %21 = load ptr, ptr %20, align 8, !tbaa !5
  %22 = getelementptr i8, ptr %21, i64 -24
  %23 = load i64, ptr %22, align 8
  %24 = getelementptr inbounds i8, ptr %20, i64 %23
  %25 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %24)
  br i1 %25, label %26, label %32

26:                                               ; preds = %19
  %27 = load i32, ptr %3, align 4, !tbaa !8
  %28 = icmp ne i32 %27, 0
  br i1 %28, label %29, label %32

29:                                               ; preds = %26
  %30 = load i32, ptr %4, align 4, !tbaa !8
  %31 = icmp ne i32 %30, 0
  br label %32

32:                                               ; preds = %29, %26, %19, %12
  %33 = phi i1 [ false, %26 ], [ false, %19 ], [ false, %12 ], [ %31, %29 ]
  br i1 %33, label %34, label %100

34:                                               ; preds = %32
  store i32 0, ptr %8, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !8
  br label %35

35:                                               ; preds = %45, %34
  %36 = load i32, ptr %9, align 4, !tbaa !8
  %37 = load i32, ptr %3, align 4, !tbaa !8
  %38 = icmp slt i32 %36, %37
  br i1 %38, label %40, label %39

39:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %48

40:                                               ; preds = %35
  %41 = load i32, ptr %9, align 4, !tbaa !8
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %42
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %43)
  br label %45

45:                                               ; preds = %40
  %46 = load i32, ptr %9, align 4, !tbaa !8
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %9, align 4, !tbaa !8
  br label %35, !llvm.loop !11

48:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 0, ptr %10, align 4, !tbaa !8
  br label %49

49:                                               ; preds = %72, %48
  %50 = load i32, ptr %10, align 4, !tbaa !8
  %51 = load i32, ptr %4, align 4, !tbaa !8
  %52 = icmp slt i32 %50, %51
  br i1 %52, label %54, label %53

53:                                               ; preds = %49
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %75

54:                                               ; preds = %49
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %56 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %55, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %57 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %56, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %58 = load i32, ptr %7, align 4, !tbaa !8
  %59 = load i32, ptr %6, align 4, !tbaa !8
  %60 = sub nsw i32 %59, 1
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !8
  %64 = add nsw i32 %63, %58
  store i32 %64, ptr %62, align 4, !tbaa !8
  %65 = load i32, ptr %7, align 4, !tbaa !8
  %66 = load i32, ptr %5, align 4, !tbaa !8
  %67 = sub nsw i32 %66, 1
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %68
  %70 = load i32, ptr %69, align 4, !tbaa !8
  %71 = sub nsw i32 %70, %65
  store i32 %71, ptr %69, align 4, !tbaa !8
  br label %72

72:                                               ; preds = %54
  %73 = load i32, ptr %10, align 4, !tbaa !8
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %10, align 4, !tbaa !8
  br label %49, !llvm.loop !13

75:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 0, ptr %11, align 4, !tbaa !8
  br label %76

76:                                               ; preds = %89, %75
  %77 = load i32, ptr %11, align 4, !tbaa !8
  %78 = load i32, ptr %3, align 4, !tbaa !8
  %79 = icmp slt i32 %77, %78
  br i1 %79, label %81, label %80

80:                                               ; preds = %76
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %92

81:                                               ; preds = %76
  %82 = load i32, ptr %11, align 4, !tbaa !8
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [20 x i32], ptr %2, i64 0, i64 %83
  %85 = load i32, ptr %84, align 4, !tbaa !8
  %86 = icmp slt i32 %85, 0
  br i1 %86, label %87, label %88

87:                                               ; preds = %81
  store i32 1, ptr %8, align 4, !tbaa !8
  br label %88

88:                                               ; preds = %87, %81
  br label %89

89:                                               ; preds = %88
  %90 = load i32, ptr %11, align 4, !tbaa !8
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr %11, align 4, !tbaa !8
  br label %76, !llvm.loop !14

92:                                               ; preds = %80
  %93 = load i32, ptr %8, align 4, !tbaa !8
  %94 = icmp ne i32 %93, 0
  br i1 %94, label %95, label %97

95:                                               ; preds = %92
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %99

97:                                               ; preds = %92
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  br label %99

99:                                               ; preds = %97, %95
  br label %12, !llvm.loop !15

100:                                              ; preds = %32
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #5
  ret i32 0
}

; 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 uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #3 align 2

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

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

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 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 = { nounwind }

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

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


; 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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [20 x i32], align 16
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  %7 = 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)
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr %7, i64 %10
  %12 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %11)
  br i1 %12, label %.lr.ph24, label %.critedge

.lr.ph24:                                         ; preds = %0, %64
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr %13, i64 %16
  %18 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %17)
  %19 = load i32, ptr %2, align 4
  %20 = icmp ne i32 %19, 0
  %or.cond = select i1 %18, i1 %20, i1 false
  %21 = load i32, ptr %3, align 4
  %22 = icmp ne i32 %21, 0
  %or.cond3 = select i1 %or.cond, i1 %22, i1 false
  br i1 %or.cond3, label %.preheader16, label %.critedge

.preheader16:                                     ; preds = %.lr.ph24
  %23 = icmp sgt i32 %19, 0
  br i1 %23, label %.lr.ph, label %.preheader15

.preheader15.loopexit:                            ; preds = %.lr.ph
  %.pre = load i32, ptr %3, align 4, !tbaa !8
  br label %.preheader15

.preheader15:                                     ; preds = %.preheader15.loopexit, %.preheader16
  %24 = phi i32 [ %29, %.preheader15.loopexit ], [ %19, %.preheader16 ]
  %25 = phi i32 [ %.pre, %.preheader15.loopexit ], [ %21, %.preheader16 ]
  %26 = icmp sgt i32 %25, 0
  br i1 %26, label %.lr.ph19, label %.preheader

.lr.ph:                                           ; preds = %.preheader16, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader16 ]
  %27 = getelementptr inbounds [20 x i32], ptr %1, i64 0, i64 %indvars.iv
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %27)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = load i32, ptr %2, align 4, !tbaa !8
  %30 = sext i32 %29 to i64
  %31 = icmp slt i64 %indvars.iv.next, %30
  br i1 %31, label %.lr.ph, label %.preheader15.loopexit, !llvm.loop !11

.preheader.loopexit:                              ; preds = %.lr.ph19
  %.pre30 = load i32, ptr %2, align 4, !tbaa !8
  br label %.preheader

.preheader:                                       ; preds = %.preheader.loopexit, %.preheader15
  %32 = phi i32 [ %.pre30, %.preheader.loopexit ], [ %24, %.preheader15 ]
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph22.preheader, label %._crit_edge.thread

.lr.ph22.preheader:                               ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %32 to i64
  %min.iters.check = icmp ult i32 %32, 8
  br i1 %min.iters.check, label %.lr.ph22.preheader36, label %vector.ph

.lr.ph22.preheader36:                             ; preds = %middle.block, %.lr.ph22.preheader
  %indvars.iv27.ph = phi i64 [ 0, %.lr.ph22.preheader ], [ %n.vec, %middle.block ]
  %.01420.ph = phi i32 [ 0, %.lr.ph22.preheader ], [ %rdx.select, %middle.block ]
  br label %.lr.ph22

vector.ph:                                        ; preds = %.lr.ph22.preheader
  %n.vec = and i64 %wide.trip.count, 2147483640
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <4 x i1> [ zeroinitializer, %vector.ph ], [ %38, %vector.body ]
  %vec.phi33 = phi <4 x i1> [ zeroinitializer, %vector.ph ], [ %39, %vector.body ]
  %34 = getelementptr inbounds [20 x i32], ptr %1, i64 0, i64 %index
  %35 = getelementptr inbounds i8, ptr %34, i64 16
  %wide.load = load <4 x i32>, ptr %34, align 16, !tbaa !8
  %wide.load34 = load <4 x i32>, ptr %35, align 16, !tbaa !8
  %36 = icmp slt <4 x i32> %wide.load, zeroinitializer
  %37 = icmp slt <4 x i32> %wide.load34, zeroinitializer
  %38 = or <4 x i1> %vec.phi, %36
  %39 = or <4 x i1> %vec.phi33, %37
  %index.next = add nuw i64 %index, 8
  %40 = icmp eq i64 %index.next, %n.vec
  br i1 %40, label %middle.block, label %vector.body, !llvm.loop !13

middle.block:                                     ; preds = %vector.body
  %bin.rdx = or <4 x i1> %39, %38
  %bin.rdx.fr = freeze <4 x i1> %bin.rdx
  %41 = bitcast <4 x i1> %bin.rdx.fr to i4
  %.not35 = icmp ne i4 %41, 0
  %rdx.select = zext i1 %.not35 to i32
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph22.preheader36

.lr.ph19:                                         ; preds = %.preheader15, %.lr.ph19
  %.01218 = phi i32 [ %58, %.lr.ph19 ], [ 0, %.preheader15 ]
  %42 = 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)
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %42, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %43, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %45 = load i32, ptr %6, align 4, !tbaa !8
  %46 = load i32, ptr %5, align 4, !tbaa !8
  %47 = add nsw i32 %46, -1
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [20 x i32], ptr %1, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !8
  %51 = add nsw i32 %50, %45
  store i32 %51, ptr %49, align 4, !tbaa !8
  %52 = load i32, ptr %4, align 4, !tbaa !8
  %53 = add nsw i32 %52, -1
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [20 x i32], ptr %1, i64 0, i64 %54
  %56 = load i32, ptr %55, align 4, !tbaa !8
  %57 = sub nsw i32 %56, %45
  store i32 %57, ptr %55, align 4, !tbaa !8
  %58 = add nuw nsw i32 %.01218, 1
  %59 = load i32, ptr %3, align 4, !tbaa !8
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %.lr.ph19, label %.preheader.loopexit, !llvm.loop !16

._crit_edge:                                      ; preds = %.lr.ph22, %middle.block
  %spec.select.lcssa = phi i32 [ %rdx.select, %middle.block ], [ %spec.select, %.lr.ph22 ]
  %.not = icmp eq i32 %spec.select.lcssa, 0
  br i1 %.not, label %._crit_edge.thread, label %64

.lr.ph22:                                         ; preds = %.lr.ph22.preheader36, %.lr.ph22
  %indvars.iv27 = phi i64 [ %indvars.iv.next28, %.lr.ph22 ], [ %indvars.iv27.ph, %.lr.ph22.preheader36 ]
  %.01420 = phi i32 [ %spec.select, %.lr.ph22 ], [ %.01420.ph, %.lr.ph22.preheader36 ]
  %61 = getelementptr inbounds [20 x i32], ptr %1, i64 0, i64 %indvars.iv27
  %62 = load i32, ptr %61, align 4, !tbaa !8
  %63 = icmp slt i32 %62, 0
  %spec.select = select i1 %63, i32 1, i32 %.01420
  %indvars.iv.next28 = add nuw nsw i64 %indvars.iv27, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next28, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph22, !llvm.loop !17

._crit_edge.thread:                               ; preds = %.preheader, %._crit_edge
  br label %64

64:                                               ; preds = %._crit_edge, %._crit_edge.thread
  %.str.1.sink = phi ptr [ @.str.1, %._crit_edge.thread ], [ @.str, %._crit_edge ]
  %65 = call 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.sink)
  %66 = 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)
  %67 = load ptr, ptr %66, align 8, !tbaa !5
  %68 = getelementptr i8, ptr %67, i64 -24
  %69 = load i64, ptr %68, align 8
  %70 = getelementptr inbounds i8, ptr %66, i64 %69
  %71 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %70)
  br i1 %71, label %.lr.ph24, label %.critedge, !llvm.loop !18

.critedge:                                        ; preds = %64, %.lr.ph24, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #5
  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 uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #3 align 2

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

; Function Attrs: inlinehint mustprogress 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

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 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 = { nounwind }

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

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


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