; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/Manthan 2016/Problem D (D2)

; 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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type { i32, i32 }

@n = external dso_local global i32, align 4
@a = external dso_local global [1010 x i32], align 16
@ans = external dso_local global i32, align 4
@cnt = external dso_local global %"class.std::map", align 8
@pt = external dso_local global %"class.std::map", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 {
  %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
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %11 = alloca %"struct.std::_Rb_tree_iterator", align 8
  store i32 0, ptr %1, align 4
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %29, %0
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = load i32, ptr @n, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %32

18:                                               ; preds = %13
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds i32, ptr @a, i64 %20
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %21)
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %24
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @cnt, ptr noundef nonnull align 4 dereferenceable(4) %25)
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %26, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %18
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %2, align 4, !tbaa !5
  br label %13, !llvm.loop !9

32:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %122, %32
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = load i32, ptr @n, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %125

38:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %39

39:                                               ; preds = %118, %38
  %40 = load i32, ptr %5, align 4, !tbaa !5
  %41 = load i32, ptr @n, align 4, !tbaa !5
  %42 = icmp slt i32 %40, %41
  br i1 %42, label %44, label %43

43:                                               ; preds = %39
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %121

44:                                               ; preds = %39
  %45 = load i32, ptr %3, align 4, !tbaa !5
  %46 = load i32, ptr %5, align 4, !tbaa !5
  %47 = icmp ne i32 %45, %46
  br i1 %47, label %48, label %117

48:                                               ; preds = %44
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = icmp eq i32 %52, 0
  br i1 %53, label %54, label %64

54:                                               ; preds = %48
  %55 = load i32, ptr %5, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %56
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = icmp eq i32 %58, 0
  br i1 %59, label %60, label %64

60:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  %61 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) @cnt, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %61)
  %63 = load i32, ptr %62, align 4, !tbaa !5
  store i32 %63, ptr @ans, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %64

64:                                               ; preds = %60, %54, %48
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @pt) #6
  %65 = load i32, ptr %3, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %66
  %68 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %67)
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %68, align 4, !tbaa !5
  %71 = load i32, ptr %5, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %72
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %73)
  %75 = load i32, ptr %74, align 4, !tbaa !5
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %74, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %77 = load i32, ptr %3, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %78
  %80 = load i32, ptr %79, align 4, !tbaa !5
  store i32 %80, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %81 = load i32, ptr %5, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %82
  %84 = load i32, ptr %83, align 4, !tbaa !5
  store i32 %84, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 2, ptr %9, align 4, !tbaa !5
  br label %85

85:                                               ; preds = %113, %64
  br label %86

86:                                               ; preds = %85
  %87 = load i32, ptr %8, align 4, !tbaa !5
  %88 = load i32, ptr %7, align 4, !tbaa !5
  %89 = add nsw i32 %88, %87
  store i32 %89, ptr %7, align 4, !tbaa !5
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %90 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48) @cnt, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %91 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %10, i32 0, i32 0
  store ptr %90, ptr %91, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %92 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @cnt) #6
  %93 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %11, i32 0, i32 0
  store ptr %92, ptr %93, align 8
  %94 = call noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br i1 %94, label %95, label %96

95:                                               ; preds = %86
  store i32 12, ptr %4, align 4
  br label %111

96:                                               ; preds = %86
  %97 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %98 = load i32, ptr %97, align 4, !tbaa !5
  %99 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %100 = getelementptr inbounds %"struct.std::pair", ptr %99, i32 0, i32 1
  %101 = load i32, ptr %100, align 4, !tbaa !11
  %102 = icmp slt i32 %98, %101
  br i1 %102, label %103, label %109

103:                                              ; preds = %96
  %104 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %105 = load i32, ptr %104, align 4, !tbaa !5
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %104, align 4, !tbaa !5
  %107 = load i32, ptr %9, align 4, !tbaa !5
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %9, align 4, !tbaa !5
  br label %110

109:                                              ; preds = %96
  store i32 12, ptr %4, align 4
  br label %111

110:                                              ; preds = %103
  store i32 0, ptr %4, align 4
  br label %111

111:                                              ; preds = %110, %109, %95
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  %112 = load i32, ptr %4, align 4
  switch i32 %112, label %129 [
    i32 0, label %113
    i32 12, label %114
  ]

113:                                              ; preds = %111
  br label %85, !llvm.loop !13

114:                                              ; preds = %111
  %115 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %116 = load i32, ptr %115, align 4, !tbaa !5
  store i32 %116, ptr @ans, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %117

117:                                              ; preds = %114, %44
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %5, align 4, !tbaa !5
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %5, align 4, !tbaa !5
  br label %39, !llvm.loop !14

121:                                              ; preds = %43
  br label %122

122:                                              ; preds = %121
  %123 = load i32, ptr %3, align 4, !tbaa !5
  %124 = add nsw i32 %123, 1
  store i32 %124, ptr %3, align 4, !tbaa !5
  br label %33, !llvm.loop !15

125:                                              ; preds = %37
  %126 = load i32, ptr @ans, align 4, !tbaa !5
  %127 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %126)
  %128 = load i32, ptr %1, align 4
  ret i32 %128

129:                                              ; preds = %111
  unreachable
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

declare i32 @printf(ptr noundef, ...) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 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 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 #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 = !{!12, !6, i64 4}
!12 = !{!"_ZTSSt4pairIKiiE", !6, i64 0, !6, i64 4}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !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::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int>>, std::less<int>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@a = external dso_local global [1010 x i32], align 16
@ans = external dso_local global i32, align 4
@cnt = external dso_local global %"class.std::map", align 8
@pt = external dso_local global %"class.std::map", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %6 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %7 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  %8 = load i32, ptr @n, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph, label %._crit_edge28

.preheader23:                                     ; preds = %.lr.ph
  %10 = icmp sgt i32 %16, 0
  br i1 %10, label %.preheader, label %._crit_edge28

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %11 = getelementptr inbounds i32, ptr @a, i64 %indvars.iv
  %12 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %11)
  %13 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @cnt, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = add nsw i32 %14, 1
  store i32 %15, ptr %13, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = icmp slt i64 %indvars.iv.next, %17
  br i1 %18, label %.lr.ph, label %.preheader23, !llvm.loop !9

.preheader:                                       ; preds = %.preheader23, %._crit_edge
  %19 = phi i32 [ %24, %._crit_edge ], [ %16, %.preheader23 ]
  %indvars.iv34 = phi i64 [ %indvars.iv.next35, %._crit_edge ], [ 0, %.preheader23 ]
  %20 = icmp sgt i32 %19, 0
  br i1 %20, label %.lr.ph26, label %._crit_edge

.lr.ph26:                                         ; preds = %.preheader
  %21 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %indvars.iv34
  br label %27

._crit_edge28:                                    ; preds = %._crit_edge, %0, %.preheader23
  %22 = load i32, ptr @ans, align 4, !tbaa !5
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %22)
  ret i32 0

._crit_edge:                                      ; preds = %73, %.preheader
  %24 = phi i32 [ %19, %.preheader ], [ %74, %73 ]
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %25 = sext i32 %24 to i64
  %26 = icmp slt i64 %indvars.iv.next35, %25
  br i1 %26, label %.preheader, label %._crit_edge28, !llvm.loop !11

27:                                               ; preds = %.lr.ph26, %73
  %28 = phi i32 [ %19, %.lr.ph26 ], [ %74, %73 ]
  %29 = phi i32 [ %19, %.lr.ph26 ], [ %75, %73 ]
  %indvars.iv31 = phi i64 [ 0, %.lr.ph26 ], [ %indvars.iv.next32, %73 ]
  %.not = icmp eq i64 %indvars.iv34, %indvars.iv31
  br i1 %.not, label %73, label %30

30:                                               ; preds = %27
  %31 = load i32, ptr %21, align 4, !tbaa !5
  %32 = icmp eq i32 %31, 0
  br i1 %32, label %33, label %41

33:                                               ; preds = %30
  %34 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %indvars.iv31
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = icmp eq i32 %35, 0
  br i1 %36, label %37, label %41

37:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  store i32 0, ptr %1, align 4, !tbaa !5
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48) @cnt, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %38)
  %40 = load i32, ptr %39, align 4, !tbaa !5
  store i32 %40, ptr @ans, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  br label %41

41:                                               ; preds = %37, %33, %30
  call void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @pt) #6
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %21)
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %42, align 4, !tbaa !5
  %45 = getelementptr inbounds [1010 x i32], ptr @a, i64 0, i64 %indvars.iv31
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %45)
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %46, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %49 = load i32, ptr %21, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  %50 = load i32, ptr %45, align 4, !tbaa !5
  store i32 %50, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 2, ptr %4, align 4, !tbaa !5
  %51 = add nsw i32 %49, %50
  store i32 %51, ptr %2, align 4, !tbaa !5
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %52 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48) @cnt, ptr noundef nonnull align 4 dereferenceable(4) %3)
  store ptr %52, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %53 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @cnt) #6
  store ptr %53, ptr %6, align 8
  %54 = call noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br i1 %54, label %._crit_edge43, label %.lr.ph42

.lr.ph42:                                         ; preds = %41, %61
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  %58 = getelementptr inbounds i8, ptr %57, i64 4
  %59 = load i32, ptr %58, align 4, !tbaa !13
  %60 = icmp slt i32 %56, %59
  br i1 %60, label %61, label %._crit_edge43

61:                                               ; preds = %.lr.ph42
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) @pt, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %62, align 4, !tbaa !5
  %65 = load i32, ptr %4, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %.pre = load i32, ptr %3, align 4, !tbaa !5
  %.pre37 = load i32, ptr %2, align 4, !tbaa !5
  %67 = add nsw i32 %.pre37, %.pre
  store i32 %67, ptr %2, align 4, !tbaa !5
  call void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %68 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48) @cnt, ptr noundef nonnull align 4 dereferenceable(4) %3)
  store ptr %68, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  %69 = call ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @cnt) #6
  store ptr %69, ptr %6, align 8
  %70 = call noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br i1 %70, label %._crit_edge43, label %.lr.ph42

._crit_edge43:                                    ; preds = %.lr.ph42, %61, %41
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %72 = load i32, ptr %71, align 4, !tbaa !5
  store i32 %72, ptr @ans, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  %.pre38 = load i32, ptr @n, align 4, !tbaa !5
  br label %73

73:                                               ; preds = %27, %._crit_edge43
  %74 = phi i32 [ %28, %27 ], [ %.pre38, %._crit_edge43 ]
  %75 = phi i32 [ %29, %27 ], [ %.pre38, %._crit_edge43 ]
  %indvars.iv.next32 = add nuw nsw i64 %indvars.iv31, 1
  %76 = sext i32 %75 to i64
  %77 = icmp slt i64 %indvars.iv.next32, %76
  br i1 %77, label %27, label %._crit_edge, !llvm.loop !15
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZSt4swapIiENSt9enable_ifIXsr6__and_ISt6__not_ISt15__is_tuple_likeIT_EESt21is_move_constructibleIS3_ESt18is_move_assignableIS3_EEE5valueEvE4typeERS3_SC_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE4findERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSteqRKSt17_Rb_tree_iteratorISt4pairIKiiEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapIiiSt4lessIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKiiEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nofree nounwind "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 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 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 #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 = distinct !{!11, !10, !12}
!12 = !{!"llvm.loop.unswitch.partial.disable"}
!13 = !{!14, !6, i64 4}
!14 = !{!"_ZTSSt4pairIKiiE", !6, i64 0, !6, i64 4}
!15 = distinct !{!15, !10}


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