; LLVM IR from DionysiosB/CodeForces :: CodeforcesEDU (BinarySearch2F-StringGame)

; 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" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.3" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z5checkRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKSt6vectorIlSaIlEES4_l(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef %2, i64 noundef %3) #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca i8, align 1
  %12 = alloca %"class.std::allocator.3", align 1
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i64, align 8
  %16 = alloca %"struct.std::_Bit_reference", align 8
  %17 = alloca i64, align 8
  %18 = alloca i64, align 8
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::_Bit_reference", align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i64 %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 40, ptr %10) #3
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %21) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #3
  store i8 0, ptr %11, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #3
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %10, i64 noundef %22, ptr noundef nonnull align 1 dereferenceable(1) %11, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %23 unwind label %31

23:                                               ; preds = %4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #3
  %24 = load i64, ptr %9, align 8, !tbaa !9
  store i64 %24, ptr %15, align 8, !tbaa !9
  br label %25

25:                                               ; preds = %47, %23
  %26 = load i64, ptr %15, align 8, !tbaa !9
  %27 = load ptr, ptr %7, align 8, !tbaa !5
  %28 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #3
  %29 = icmp ult i64 %26, %28
  br i1 %29, label %35, label %30

30:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  br label %54

31:                                               ; preds = %4
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %13, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %14, align 4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #3
  br label %105

35:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #3
  %36 = load ptr, ptr %7, align 8, !tbaa !5
  %37 = load i64, ptr %15, align 8, !tbaa !9
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %36, i64 noundef %37) #3
  %39 = load i64, ptr %38, align 8, !tbaa !9
  %40 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %10, i64 noundef %39)
          to label %41 unwind label %50

41:                                               ; preds = %35
  %42 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 0
  %43 = extractvalue { ptr, i64 } %40, 0
  store ptr %43, ptr %42, align 8
  %44 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 1
  %45 = extractvalue { ptr, i64 } %40, 1
  store i64 %45, ptr %44, align 8
  %46 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %16, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #3
  br label %47

47:                                               ; preds = %41
  %48 = load i64, ptr %15, align 8, !tbaa !9
  %49 = add nsw i64 %48, 1
  store i64 %49, ptr %15, align 8, !tbaa !9
  br label %25, !llvm.loop !13

50:                                               ; preds = %35
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %13, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  br label %104

54:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #3
  store i64 0, ptr %17, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #3
  store i64 0, ptr %18, align 8, !tbaa !9
  br label %55

55:                                               ; preds = %96, %54
  %56 = load i64, ptr %18, align 8, !tbaa !9
  %57 = load ptr, ptr %6, align 8, !tbaa !5
  %58 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %57) #3
  %59 = icmp ult i64 %56, %58
  br i1 %59, label %61, label %60

60:                                               ; preds = %55
  store i32 5, ptr %19, align 4
  br label %99

61:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 16, ptr %20) #3
  %62 = load i64, ptr %18, align 8, !tbaa !9
  %63 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %10, i64 noundef %62)
          to label %64 unwind label %72

64:                                               ; preds = %61
  %65 = getelementptr inbounds { ptr, i64 }, ptr %20, i32 0, i32 0
  %66 = extractvalue { ptr, i64 } %63, 0
  store ptr %66, ptr %65, align 8
  %67 = getelementptr inbounds { ptr, i64 }, ptr %20, i32 0, i32 1
  %68 = extractvalue { ptr, i64 } %63, 1
  store i64 %68, ptr %67, align 8
  %69 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %20) #3
  %70 = xor i1 %69, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %20) #3
  br i1 %70, label %71, label %76

71:                                               ; preds = %64
  br label %96

72:                                               ; preds = %61
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %13, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %20) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #3
  br label %104

76:                                               ; preds = %64
  %77 = load ptr, ptr %6, align 8, !tbaa !5
  %78 = load i64, ptr %18, align 8, !tbaa !9
  %79 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %77, i64 noundef %78) #3
  %80 = load i8, ptr %79, align 1, !tbaa !15
  %81 = sext i8 %80 to i32
  %82 = load i64, ptr %17, align 8, !tbaa !9
  %83 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %82) #3
  %84 = load i8, ptr %83, align 1, !tbaa !15
  %85 = sext i8 %84 to i32
  %86 = icmp eq i32 %81, %85
  br i1 %86, label %87, label %90

87:                                               ; preds = %76
  %88 = load i64, ptr %17, align 8, !tbaa !9
  %89 = add nsw i64 %88, 1
  store i64 %89, ptr %17, align 8, !tbaa !9
  br label %90

90:                                               ; preds = %87, %76
  %91 = load i64, ptr %17, align 8, !tbaa !9
  %92 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #3
  %93 = icmp uge i64 %91, %92
  br i1 %93, label %94, label %95

94:                                               ; preds = %90
  store i1 true, ptr %5, align 1
  store i32 1, ptr %19, align 4
  br label %99

95:                                               ; preds = %90
  br label %96

96:                                               ; preds = %95, %71
  %97 = load i64, ptr %18, align 8, !tbaa !9
  %98 = add nsw i64 %97, 1
  store i64 %98, ptr %18, align 8, !tbaa !9
  br label %55, !llvm.loop !16

99:                                               ; preds = %94, %60
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #3
  %100 = load i32, ptr %19, align 4
  switch i32 %100, label %102 [
    i32 5, label %101
  ]

101:                                              ; preds = %99
  store i1 false, ptr %5, align 1
  store i32 1, ptr %19, align 4
  br label %102

102:                                              ; preds = %101, %99
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #3
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %10) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #3
  %103 = load i1, ptr %5, align 1
  ret i1 %103

104:                                              ; preds = %72, %50
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %10) #3
  br label %105

105:                                              ; preds = %104, %31
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #3
  br label %106

106:                                              ; preds = %105
  %107 = load ptr, ptr %13, align 8
  %108 = load i32, ptr %14, align 4
  %109 = insertvalue { ptr, i32 } poison, ptr %107, 0
  %110 = insertvalue { ptr, i32 } %109, i32 %108, 1
  resume { ptr, i32 } %110
}

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), 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 void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !14}


; 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" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.3" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z5checkRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKSt6vectorIlSaIlEES4_l(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef %2, i64 noundef %3) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i8, align 1
  %7 = alloca %"class.std::allocator.3", align 1
  %8 = alloca %"struct.std::_Bit_reference", align 8
  %9 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #3
  %10 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #3
  store i8 0, ptr %6, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #3
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %10, ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %11 unwind label %17

11:                                               ; preds = %4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  %12 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %13 = icmp ugt i64 %12, %3
  br i1 %13, label %.lr.ph, label %.preheader

.lr.ph:                                           ; preds = %11
  %14 = getelementptr inbounds i8, ptr %8, i64 8
  br label %19

.preheader:                                       ; preds = %23, %11
  %15 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %.not2833.not = icmp eq i64 %15, 0
  br i1 %.not2833.not, label %.critedge, label %.lr.ph37

.lr.ph37:                                         ; preds = %.preheader
  %16 = getelementptr inbounds i8, ptr %9, i64 8
  br label %32

17:                                               ; preds = %4
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  br label %52

19:                                               ; preds = %.lr.ph, %23
  %.02132 = phi i64 [ %3, %.lr.ph ], [ %27, %23 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #3
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.02132) #3
  %21 = load i64, ptr %20, align 8, !tbaa !9
  %22 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %21)
          to label %23 unwind label %30

23:                                               ; preds = %19
  %24 = extractvalue { ptr, i64 } %22, 0
  store ptr %24, ptr %8, align 8
  %25 = extractvalue { ptr, i64 } %22, 1
  store i64 %25, ptr %14, align 8
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %8, i1 noundef zeroext true) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  %27 = add nuw nsw i64 %.02132, 1
  %28 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %29 = icmp ult i64 %27, %28
  br i1 %29, label %19, label %.preheader, !llvm.loop !11

30:                                               ; preds = %19
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #3
  br label %51

32:                                               ; preds = %.lr.ph37, %48
  %.01935 = phi i64 [ 0, %.lr.ph37 ], [ %49, %48 ]
  %.02034 = phi i64 [ 0, %.lr.ph37 ], [ %.2, %48 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #3
  %33 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %.01935)
          to label %34 unwind label %38

34:                                               ; preds = %32
  %35 = extractvalue { ptr, i64 } %33, 0
  store ptr %35, ptr %9, align 8
  %36 = extractvalue { ptr, i64 } %33, 1
  store i64 %36, ptr %16, align 8
  %37 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %9) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #3
  br i1 %37, label %40, label %48

38:                                               ; preds = %32
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #3
  br label %51

40:                                               ; preds = %34
  %41 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %.01935) #3
  %42 = load i8, ptr %41, align 1, !tbaa !13
  %43 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02034) #3
  %44 = load i8, ptr %43, align 1, !tbaa !13
  %45 = icmp eq i8 %42, %44
  %46 = zext i1 %45 to i64
  %spec.select = add nsw i64 %.02034, %46
  %47 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #3
  %.not = icmp ult i64 %spec.select, %47
  br i1 %.not, label %48, label %.critedge

48:                                               ; preds = %40, %34
  %.2 = phi i64 [ %.02034, %34 ], [ %spec.select, %40 ]
  %49 = add nuw nsw i64 %.01935, 1
  %50 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %.not28 = icmp ult i64 %49, %50
  br i1 %.not28, label %32, label %.critedge, !llvm.loop !14

.critedge:                                        ; preds = %40, %48, %.preheader
  %.not28.lcssa = phi i1 [ false, %.preheader ], [ false, %48 ], [ true, %40 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #3
  ret i1 %.not28.lcssa

51:                                               ; preds = %38, %30
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %39, %38 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #3
  br label %52

52:                                               ; preds = %51, %17
  %.pn.pn = phi { ptr, i32 } [ %.pn, %51 ], [ %18, %17 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #3
  resume { ptr, i32 } %.pn.pn
}

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKbRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), 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 void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !12}


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