; LLVM IR from tangjz/acm-icpc :: codeforces/complete (755B)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_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 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator.0" = type { i8 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@tot = external dso_local global i32, align 4
@_Z4HashB5cxx11 = external dso_local global %"class.std::set", align 8
@buf = external dso_local global [1001 x i8], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::allocator.0", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator.0", align 1
  store i32 0, ptr %1, align 4
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n, ptr noundef @m)
  %10 = load i32, ptr @n, align 4, !tbaa !5
  %11 = load i32, ptr @m, align 4, !tbaa !5
  %12 = icmp ne i32 %10, %11
  br i1 %12, label %13, label %20

13:                                               ; preds = %0
  %14 = load i32, ptr @n, align 4, !tbaa !5
  %15 = load i32, ptr @m, align 4, !tbaa !5
  %16 = icmp sgt i32 %14, %15
  %17 = zext i1 %16 to i64
  %18 = select i1 %16, ptr @.str.1, ptr @.str.2
  %19 = call i32 @puts(ptr noundef %18)
  store i32 0, ptr %1, align 4
  br label %74

20:                                               ; preds = %0
  br label %21

21:                                               ; preds = %29, %20
  %22 = load i32, ptr @n, align 4, !tbaa !5
  %23 = add nsw i32 %22, -1
  store i32 %23, ptr @n, align 4, !tbaa !5
  %24 = icmp ne i32 %22, 0
  br i1 %24, label %25, label %43

25:                                               ; preds = %21
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef @buf)
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef @buf, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %27 unwind label %34

27:                                               ; preds = %25
  %28 = invoke { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48) @_Z4HashB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %29 unwind label %38

29:                                               ; preds = %27
  %30 = getelementptr inbounds { ptr, i8 }, ptr %6, i32 0, i32 0
  %31 = extractvalue { ptr, i8 } %28, 0
  store ptr %31, ptr %30, align 8
  %32 = getelementptr inbounds { ptr, i8 }, ptr %6, i32 0, i32 1
  %33 = extractvalue { ptr, i8 } %28, 1
  store i8 %33, ptr %32, align 8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #5
  br label %21, !llvm.loop !9

34:                                               ; preds = %25
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %4, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %5, align 4
  br label %42

38:                                               ; preds = %27
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %4, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  br label %42

42:                                               ; preds = %38, %34
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #5
  br label %76

43:                                               ; preds = %21
  br label %44

44:                                               ; preds = %66, %43
  %45 = load i32, ptr @m, align 4, !tbaa !5
  %46 = add nsw i32 %45, -1
  store i32 %46, ptr @m, align 4, !tbaa !5
  %47 = icmp ne i32 %45, 0
  br i1 %47, label %48, label %67

48:                                               ; preds = %44
  %49 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef @buf)
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @buf, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %50 unwind label %57

50:                                               ; preds = %48
  %51 = invoke noundef i64 @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(48) @_Z4HashB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %52 unwind label %61

52:                                               ; preds = %50
  %53 = icmp ne i64 %51, 0
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #5
  br i1 %53, label %54, label %66

54:                                               ; preds = %52
  %55 = load i32, ptr @tot, align 4, !tbaa !5
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr @tot, align 4, !tbaa !5
  br label %66

57:                                               ; preds = %48
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %4, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %5, align 4
  br label %65

61:                                               ; preds = %50
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %4, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  br label %65

65:                                               ; preds = %61, %57
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #5
  br label %76

66:                                               ; preds = %54, %52
  br label %44, !llvm.loop !11

67:                                               ; preds = %44
  %68 = load i32, ptr @tot, align 4, !tbaa !5
  %69 = and i32 %68, 1
  %70 = icmp ne i32 %69, 0
  %71 = zext i1 %70 to i64
  %72 = select i1 %70, ptr @.str.1, ptr @.str.2
  %73 = call i32 @puts(ptr noundef %72)
  store i32 0, ptr %1, align 4
  br label %74

74:                                               ; preds = %67, %13
  %75 = load i32, ptr %1, align 4
  ret i32 %75

76:                                               ; preds = %65, %42
  %77 = load ptr, ptr %4, align 8
  %78 = load i32, ptr %5, align 4
  %79 = insertvalue { ptr, i32 } poison, ptr %77, 0
  %80 = insertvalue { ptr, i32 } %79, i32 %78, 1
  resume { ptr, i32 } %80
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

declare i32 @puts(ptr noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { "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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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}


; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_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 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator.0" = type { i8 }

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@tot = external dso_local local_unnamed_addr global i32, align 4
@_Z4HashB5cxx11 = external dso_local global %"class.std::set", align 8
@buf = external dso_local global [1001 x i8], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = 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 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::allocator.0", align 1
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator.0", align 1
  %5 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n, ptr noundef nonnull @m)
  %6 = load i32, ptr @n, align 4, !tbaa !5
  %7 = load i32, ptr @m, align 4, !tbaa !5
  %.not = icmp eq i32 %6, %7
  br i1 %.not, label %.preheader15, label %9

.preheader15:                                     ; preds = %0
  %8 = add nsw i32 %6, -1
  store i32 %8, ptr @n, align 4, !tbaa !5
  %.not716 = icmp eq i32 %6, 0
  br i1 %.not716, label %.preheader.thread, label %.lr.ph

.preheader.thread:                                ; preds = %.preheader15
  store i32 -1, ptr @m, align 4, !tbaa !5
  br label %._crit_edge

9:                                                ; preds = %0
  %10 = icmp sgt i32 %6, %7
  %11 = select i1 %10, ptr @.str.1, ptr @.str.2
  %12 = tail call i32 @puts(ptr noundef nonnull dereferenceable(1) %11)
  br label %43

.preheader:                                       ; preds = %17
  %.pre = load i32, ptr @m, align 4, !tbaa !5
  %13 = add nsw i32 %.pre, -1
  store i32 %13, ptr @m, align 4, !tbaa !5
  %.not817 = icmp eq i32 %.pre, 0
  br i1 %.not817, label %._crit_edge, label %.lr.ph18

.lr.ph:                                           ; preds = %.preheader15, %17
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull @buf)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull @buf, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %15 unwind label %19

15:                                               ; preds = %.lr.ph
  %16 = invoke { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48) @_Z4HashB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %17 unwind label %21

17:                                               ; preds = %15
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  %.pr = load i32, ptr @n, align 4, !tbaa !5
  %18 = add nsw i32 %.pr, -1
  store i32 %18, ptr @n, align 4, !tbaa !5
  %.not7 = icmp eq i32 %.pr, 0
  br i1 %.not7, label %.preheader, label %.lr.ph, !llvm.loop !9

19:                                               ; preds = %.lr.ph
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %23

21:                                               ; preds = %15
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  br label %23

23:                                               ; preds = %21, %19
  %.pn12 = phi { ptr, i32 } [ %22, %21 ], [ %20, %19 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  br label %44

.lr.ph18:                                         ; preds = %.preheader, %36
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull @buf)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @buf, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %25 unwind label %31

25:                                               ; preds = %.lr.ph18
  %26 = invoke noundef i64 @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(48) @_Z4HashB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %27 unwind label %33

27:                                               ; preds = %25
  %.not11 = icmp eq i64 %26, 0
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br i1 %.not11, label %36, label %28

28:                                               ; preds = %27
  %29 = load i32, ptr @tot, align 4, !tbaa !5
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr @tot, align 4, !tbaa !5
  br label %36

31:                                               ; preds = %.lr.ph18
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %35

33:                                               ; preds = %25
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  br label %35

35:                                               ; preds = %33, %31
  %.pn = phi { ptr, i32 } [ %34, %33 ], [ %32, %31 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  br label %44

36:                                               ; preds = %28, %27
  %37 = load i32, ptr @m, align 4, !tbaa !5
  %38 = add nsw i32 %37, -1
  store i32 %38, ptr @m, align 4, !tbaa !5
  %.not8 = icmp eq i32 %37, 0
  br i1 %.not8, label %._crit_edge, label %.lr.ph18, !llvm.loop !11

._crit_edge:                                      ; preds = %36, %.preheader.thread, %.preheader
  %39 = load i32, ptr @tot, align 4, !tbaa !5
  %40 = and i32 %39, 1
  %.not9 = icmp eq i32 %40, 0
  %41 = select i1 %.not9, ptr @.str.2, ptr @.str.1
  %42 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %41)
  br label %43

43:                                               ; preds = %._crit_edge, %9
  ret i32 0

44:                                               ; preds = %35, %23
  %.pn12.pn = phi { ptr, i32 } [ %.pn12, %23 ], [ %.pn, %35 ]
  resume { ptr, i32 } %.pn12.pn
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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 #2 = { 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 #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass