; LLVM IR from ayush-tulsyan/ACM-ICPC-Handbook :: code/MaxBipartiteMatching.ll (Z17BipartiteMatchingRKSt6vectorIS_IiSaIiEESaIS1_EERS1_S6_)

; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z9FindMatchiRKSt6vectorIS_IiSaIiEESaIS1_EERS1_S6_S6_(i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17BipartiteMatchingRKSt6vectorIS_IiSaIiEESaIS1_EERS1_S6_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::vector.0", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector.0", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::allocator.2", align 1
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::vector.0", align 8
  %18 = alloca %"class.std::allocator.2", align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #3
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 -1, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %20, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %21 unwind label %37

21:                                               ; preds = %3
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #3
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %24, i64 noundef 0) #3
  %26 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  store i32 -1, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %26, ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %27 unwind label %41

27:                                               ; preds = %21
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %28, ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  store i32 0, ptr %15, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #3
  store i32 0, ptr %16, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %68, %27
  %31 = load i32, ptr %16, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %33) #3
  %35 = icmp ult i64 %32, %34
  br i1 %35, label %45, label %36

36:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  br label %72

37:                                               ; preds = %3
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %10, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  br label %74

41:                                               ; preds = %21
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %10, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #3
  br label %74

45:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #3
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  %47 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %46, i64 noundef 0) #3
  %48 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %47) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %48, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %49 unwind label %59

49:                                               ; preds = %45
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #3
  %50 = load i32, ptr %16, align 4, !tbaa !9
  %51 = load ptr, ptr %4, align 8, !tbaa !5
  %52 = load ptr, ptr %5, align 8, !tbaa !5
  %53 = load ptr, ptr %6, align 8, !tbaa !5
  %54 = invoke noundef zeroext i1 @_Z9FindMatchiRKSt6vectorIS_IiSaIiEESaIS1_EERS1_S6_S6_(i32 noundef %50, ptr noundef nonnull align 8 dereferenceable(24) %51, ptr noundef nonnull align 8 dereferenceable(24) %52, ptr noundef nonnull align 8 dereferenceable(24) %53, ptr noundef nonnull align 8 dereferenceable(24) %17)
          to label %55 unwind label %63

55:                                               ; preds = %49
  br i1 %54, label %56, label %67

56:                                               ; preds = %55
  %57 = load i32, ptr %15, align 4, !tbaa !9
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %15, align 4, !tbaa !9
  br label %67

59:                                               ; preds = %45
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %10, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #3
  br label %71

63:                                               ; preds = %49
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %10, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %11, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  br label %71

67:                                               ; preds = %56, %55
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #3
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %16, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %16, align 4, !tbaa !9
  br label %30, !llvm.loop !11

71:                                               ; preds = %63, %59
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  br label %74

72:                                               ; preds = %36
  %73 = load i32, ptr %15, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  ret i32 %73

74:                                               ; preds = %71, %41, %37
  %75 = load ptr, ptr %10, align 8
  %76 = load i32, ptr %11, align 4
  %77 = insertvalue { ptr, i32 } poison, ptr %75, 0
  %78 = insertvalue { ptr, i32 } %77, i32 %76, 1
  resume { ptr, i32 } %78
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z9FindMatchiRKSt6vectorIS_IiSaIiEESaIS1_EERS1_S6_S6_(i32 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17BipartiteMatchingRKSt6vectorIS_IiSaIiEESaIS1_EERS1_S6_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::allocator.2", align 1
  %7 = alloca %"class.std::vector.0", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca %"class.std::vector.0", align 8
  %11 = alloca %"class.std::allocator.2", align 1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #3
  %12 = tail call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #3
  store i32 -1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %12, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %13 unwind label %20

13:                                               ; preds = %3
  %14 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #3
  %15 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  %16 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #3
  store i32 -1, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %16, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %17 unwind label %22

17:                                               ; preds = %13
  %18 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  %19 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %.not = icmp eq i64 %19, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %29, %17
  %.015.lcssa = phi i32 [ 0, %17 ], [ %spec.select, %29 ]
  ret i32 %.015.lcssa

20:                                               ; preds = %3
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  br label %38

22:                                               ; preds = %13
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  br label %38

.lr.ph:                                           ; preds = %17, %29
  %indvars.iv = phi i64 [ %indvars.iv.next, %29 ], [ 0, %17 ]
  %.01524 = phi i32 [ %spec.select, %29 ], [ 0, %17 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #3
  %24 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  %25 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %24) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %26 unwind label %33

26:                                               ; preds = %.lr.ph
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #3
  %27 = trunc nuw nsw i64 %indvars.iv to i32
  %28 = invoke noundef zeroext i1 @_Z9FindMatchiRKSt6vectorIS_IiSaIiEESaIS1_EERS1_S6_S6_(i32 noundef %27, ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %10)
          to label %29 unwind label %35

29:                                               ; preds = %26
  %30 = zext i1 %28 to i32
  %spec.select = add nuw nsw i32 %.01524, %30
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %31 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %32 = icmp ugt i64 %31, %indvars.iv.next
  br i1 %32, label %.lr.ph, label %._crit_edge, !llvm.loop !9

33:                                               ; preds = %.lr.ph
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #3
  br label %37

35:                                               ; preds = %26
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  br label %37

37:                                               ; preds = %35, %33
  %.pn = phi { ptr, i32 } [ %36, %35 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #3
  br label %38

38:                                               ; preds = %37, %22, %20
  %.pn.pn = phi { ptr, i32 } [ %.pn, %37 ], [ %23, %22 ], [ %21, %20 ]
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass