; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Codesprints 2016/Codesprint April/Problem A (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_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" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@n = external dso_local global i32, align 4
@c = external dso_local global [1000 x i32], align 16
@cnt = external dso_local global [1000 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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)) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %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
  store i32 0, ptr %1, align 4
  %7 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %8 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %10
  %12 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %11, ptr noundef null)
  %13 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %15
  %17 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !8
  br label %19

19:                                               ; preds = %29, %0
  %20 = load i32, ptr %2, align 4, !tbaa !8
  %21 = load i32, ptr @n, align 4, !tbaa !8
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %32

24:                                               ; preds = %19
  %25 = load i32, ptr %2, align 4, !tbaa !8
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [1000 x i32], ptr @c, i64 0, i64 %26
  %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)
  br label %29

29:                                               ; preds = %24
  %30 = load i32, ptr %2, align 4, !tbaa !8
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %2, align 4, !tbaa !8
  br label %19, !llvm.loop !11

32:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 1, ptr %3, align 4, !tbaa !8
  br label %33

33:                                               ; preds = %42, %32
  %34 = load i32, ptr %3, align 4, !tbaa !8
  %35 = load i32, ptr @n, align 4, !tbaa !8
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %45

38:                                               ; preds = %33
  %39 = load i32, ptr %3, align 4, !tbaa !8
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %40
  store i32 1000, ptr %41, align 4, !tbaa !8
  br label %42

42:                                               ; preds = %38
  %43 = load i32, ptr %3, align 4, !tbaa !8
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %3, align 4, !tbaa !8
  br label %33, !llvm.loop !13

45:                                               ; preds = %37
  %46 = load i32, ptr getelementptr inbounds ([1000 x i32], ptr @c, i64 0, i64 1), align 4, !tbaa !8
  %47 = icmp eq i32 %46, 0
  br i1 %47, label %48, label %49

48:                                               ; preds = %45
  store i32 1, ptr getelementptr inbounds ([1000 x i32], ptr @cnt, i64 0, i64 1), align 4, !tbaa !8
  br label %49

49:                                               ; preds = %48, %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 2, ptr %4, align 4, !tbaa !8
  br label %50

50:                                               ; preds = %84, %49
  %51 = load i32, ptr %4, align 4, !tbaa !8
  %52 = load i32, ptr @n, align 4, !tbaa !8
  %53 = icmp slt i32 %51, %52
  br i1 %53, label %55, label %54

54:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %87

55:                                               ; preds = %50
  %56 = load i32, ptr %4, align 4, !tbaa !8
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  %59 = load i32, ptr %4, align 4, !tbaa !8
  %60 = sub nsw i32 %59, 1
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !8
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %5, align 4, !tbaa !8
  %65 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %58, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %66 = load i32, ptr %65, align 4, !tbaa !8
  %67 = load i32, ptr %4, align 4, !tbaa !8
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %68
  store i32 %66, ptr %69, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  %70 = load i32, ptr %4, align 4, !tbaa !8
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %71
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %73 = load i32, ptr %4, align 4, !tbaa !8
  %74 = sub nsw i32 %73, 2
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %75
  %77 = load i32, ptr %76, align 4, !tbaa !8
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %6, align 4, !tbaa !8
  %79 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %72, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %80 = load i32, ptr %79, align 4, !tbaa !8
  %81 = load i32, ptr %4, align 4, !tbaa !8
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %82
  store i32 %80, ptr %83, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %84

84:                                               ; preds = %55
  %85 = load i32, ptr %4, align 4, !tbaa !8
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %4, align 4, !tbaa !8
  br label %50, !llvm.loop !14

87:                                               ; preds = %54
  %88 = load i32, ptr @n, align 4, !tbaa !8
  %89 = sub nsw i32 %88, 1
  %90 = sext i32 %89 to i64
  %91 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %90
  %92 = load i32, ptr %91, align 4, !tbaa !8
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %92)
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %93, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { "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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 #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 = !{!"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}


; 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" }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@n = external dso_local global i32, align 4
@c = external dso_local global [1000 x i32], align 16
@cnt = external dso_local global [1000 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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 #0 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)) #1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %4 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %5 = getelementptr i8, ptr %4, i64 -24
  %6 = load i64, ptr %5, align 8
  %7 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %6
  %8 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %7, ptr noundef null)
  %9 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  %14 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %15 = load i32, ptr @n, align 4, !tbaa !8
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph, label %._crit_edge

.preheader:                                       ; preds = %.lr.ph
  %17 = icmp sgt i32 %24, 1
  br i1 %17, label %.lr.ph20.preheader, label %._crit_edge

.lr.ph20.preheader:                               ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %24 to i64
  %18 = add nsw i64 %wide.trip.count, -1
  %min.iters.check = icmp ult i32 %24, 9
  br i1 %min.iters.check, label %.lr.ph20.preheader40, label %vector.ph

.lr.ph20.preheader40:                             ; preds = %middle.block, %.lr.ph20.preheader
  %indvars.iv29.ph = phi i64 [ 1, %.lr.ph20.preheader ], [ %ind.end, %middle.block ]
  br label %.lr.ph20

vector.ph:                                        ; preds = %.lr.ph20.preheader
  %n.vec = and i64 %18, -8
  %ind.end = or disjoint i64 %n.vec, 1
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %offset.idx = or disjoint i64 %index, 1
  %19 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %offset.idx
  %20 = getelementptr inbounds i8, ptr %19, i64 16
  store <4 x i32> <i32 1000, i32 1000, i32 1000, i32 1000>, ptr %19, align 4, !tbaa !8
  store <4 x i32> <i32 1000, i32 1000, i32 1000, i32 1000>, ptr %20, align 4, !tbaa !8
  %index.next = add nuw i64 %index, 8
  %21 = icmp eq i64 %index.next, %n.vec
  br i1 %21, label %middle.block, label %vector.body, !llvm.loop !11

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %18, %n.vec
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph20.preheader40

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %22 = getelementptr inbounds [1000 x i32], ptr @c, i64 0, i64 %indvars.iv
  %23 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %22)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %24 = load i32, ptr @n, align 4, !tbaa !8
  %25 = sext i32 %24 to i64
  %26 = icmp slt i64 %indvars.iv.next, %25
  br i1 %26, label %.lr.ph, label %.preheader, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph20, %middle.block, %0, %.preheader
  %27 = phi i32 [ %24, %.preheader ], [ %15, %0 ], [ %24, %middle.block ], [ %24, %.lr.ph20 ]
  %28 = load i32, ptr getelementptr inbounds (i8, ptr @c, i64 4), align 4, !tbaa !8
  %29 = icmp eq i32 %28, 0
  br i1 %29, label %31, label %32

.lr.ph20:                                         ; preds = %.lr.ph20.preheader40, %.lr.ph20
  %indvars.iv29 = phi i64 [ %indvars.iv.next30, %.lr.ph20 ], [ %indvars.iv29.ph, %.lr.ph20.preheader40 ]
  %30 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %indvars.iv29
  store i32 1000, ptr %30, align 4, !tbaa !8
  %indvars.iv.next30 = add nuw nsw i64 %indvars.iv29, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next30, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph20, !llvm.loop !16

31:                                               ; preds = %._crit_edge
  store i32 1, ptr getelementptr inbounds (i8, ptr @cnt, i64 4), align 4, !tbaa !8
  br label %32

32:                                               ; preds = %31, %._crit_edge
  %33 = icmp sgt i32 %27, 2
  br i1 %33, label %.lr.ph23.preheader, label %._crit_edge24

.lr.ph23.preheader:                               ; preds = %32
  %.pre = load i32, ptr getelementptr inbounds (i8, ptr @cnt, i64 4), align 4, !tbaa !8
  br label %.lr.ph23

._crit_edge24:                                    ; preds = %.lr.ph23, %32
  %.lcssa = phi i32 [ %27, %32 ], [ %51, %.lr.ph23 ]
  %34 = add nsw i32 %.lcssa, -1
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %35
  %37 = load i32, ptr %36, align 4, !tbaa !8
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %37)
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  ret i32 0

.lr.ph23:                                         ; preds = %.lr.ph23.preheader, %.lr.ph23
  %40 = phi i32 [ %.pre, %.lr.ph23.preheader ], [ %50, %.lr.ph23 ]
  %indvars.iv32 = phi i64 [ 2, %.lr.ph23.preheader ], [ %indvars.iv.next33, %.lr.ph23 ]
  %41 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %indvars.iv32
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %42 = add nsw i32 %40, 1
  store i32 %42, ptr %1, align 4, !tbaa !8
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %41, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %44 = load i32, ptr %43, align 4, !tbaa !8
  store i32 %44, ptr %41, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %45 = add nsw i64 %indvars.iv32, -2
  %46 = getelementptr inbounds [1000 x i32], ptr @cnt, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !8
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %2, align 4, !tbaa !8
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %41, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %50 = load i32, ptr %49, align 4, !tbaa !8
  store i32 %50, ptr %41, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  %indvars.iv.next33 = add nuw nsw i64 %indvars.iv32, 1
  %51 = load i32, ptr @n, align 4, !tbaa !8
  %52 = sext i32 %51 to i64
  %53 = icmp slt i64 %indvars.iv.next33, %52
  br i1 %53, label %.lr.ph23, label %._crit_edge24, !llvm.loop !17
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #4 align 2

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 #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { "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 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 #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 = !{!"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, !13, !14}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!"llvm.loop.isvectorized", i32 1}
!14 = !{!"llvm.loop.unroll.runtime.disable"}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12, !14, !13}
!17 = distinct !{!17, !12}


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