; LLVM IR from ravireddy07/cpp-book :: setup/b.ll (Z3bfsxRSt6vectorIbSaIbEERS_IS_IxSaIxEESaIS4_EERS4_S8_)

; 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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::_Bit_reference" = type { ptr, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; 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 uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #1 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 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 nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3bfsxRSt6vectorIbSaIbEERS_IS_IxSaIxEESaIS4_EERS4_S8_(i64 noundef %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4) #1 personality ptr @__gxx_personality_v0 {
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca %"class.std::queue", align 8
  %12 = alloca %"struct.std::_Bit_reference", align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca i64, align 8
  %16 = alloca ptr, align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca i32, align 4
  %20 = alloca i64, align 8
  %21 = alloca %"struct.std::_Bit_reference", align 8
  %22 = alloca %"struct.std::_Bit_reference", align 8
  store i64 %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  store ptr %4, ptr %10, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr %11) #4
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #4
  %23 = load ptr, ptr %7, align 8, !tbaa !9
  %24 = load i64, ptr %6, align 8, !tbaa !5
  %25 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %23, i64 noundef %24)
          to label %26 unwind label %54

26:                                               ; preds = %5
  %27 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 0
  %28 = extractvalue { ptr, i64 } %25, 0
  store ptr %28, ptr %27, align 8
  %29 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 1
  %30 = extractvalue { ptr, i64 } %25, 1
  store i64 %30, ptr %29, align 8
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %12, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #4
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %11, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %32 unwind label %58

32:                                               ; preds = %26
  br label %33

33:                                               ; preds = %120, %32
  %34 = invoke noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %35 unwind label %58

35:                                               ; preds = %33
  %36 = xor i1 %34, true
  br i1 %36, label %37, label %122

37:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %39 unwind label %62

39:                                               ; preds = %37
  %40 = load i64, ptr %38, align 8, !tbaa !5
  store i64 %40, ptr %15, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %41 unwind label %62

41:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %42 = load ptr, ptr %8, align 8, !tbaa !9
  %43 = load i64, ptr %15, align 8, !tbaa !5
  %44 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %42, i64 noundef %43) #4
  store ptr %44, ptr %16, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %45 = load ptr, ptr %16, align 8, !tbaa !9
  %46 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %45) #4
  %47 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %46, ptr %47, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %48 = load ptr, ptr %16, align 8, !tbaa !9
  %49 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %48) #4
  %50 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %49, ptr %50, align 8
  br label %51

51:                                               ; preds = %109, %41
  %52 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #4
  br i1 %52, label %66, label %53

53:                                               ; preds = %51
  store i32 4, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  br label %120

54:                                               ; preds = %5
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %13, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #4
  br label %123

58:                                               ; preds = %33, %26
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %13, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %14, align 4
  br label %123

62:                                               ; preds = %39, %37
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %13, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %14, align 4
  br label %121

66:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  %68 = load i64, ptr %67, align 8, !tbaa !5
  store i64 %68, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %21) #4
  %69 = load ptr, ptr %7, align 8, !tbaa !9
  %70 = load i64, ptr %20, align 8, !tbaa !5
  %71 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %69, i64 noundef %70)
          to label %72 unwind label %79

72:                                               ; preds = %66
  %73 = getelementptr inbounds { ptr, i64 }, ptr %21, i32 0, i32 0
  %74 = extractvalue { ptr, i64 } %71, 0
  store ptr %74, ptr %73, align 8
  %75 = getelementptr inbounds { ptr, i64 }, ptr %21, i32 0, i32 1
  %76 = extractvalue { ptr, i64 } %71, 1
  store i64 %76, ptr %75, align 8
  %77 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %21) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %21) #4
  br i1 %77, label %78, label %83

78:                                               ; preds = %72
  store i32 5, ptr %19, align 4
  br label %106

79:                                               ; preds = %66
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %13, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %21) #4
  br label %119

83:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 16, ptr %22) #4
  %84 = load ptr, ptr %7, align 8, !tbaa !9
  %85 = load i64, ptr %20, align 8, !tbaa !5
  %86 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %84, i64 noundef %85)
          to label %87 unwind label %111

87:                                               ; preds = %83
  %88 = getelementptr inbounds { ptr, i64 }, ptr %22, i32 0, i32 0
  %89 = extractvalue { ptr, i64 } %86, 0
  store ptr %89, ptr %88, align 8
  %90 = getelementptr inbounds { ptr, i64 }, ptr %22, i32 0, i32 1
  %91 = extractvalue { ptr, i64 } %86, 1
  store i64 %91, ptr %90, align 8
  %92 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %22, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #4
  %93 = load i64, ptr %15, align 8, !tbaa !5
  %94 = load ptr, ptr %10, align 8, !tbaa !9
  %95 = load i64, ptr %20, align 8, !tbaa !5
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %94, i64 noundef %95) #4
  store i64 %93, ptr %96, align 8, !tbaa !5
  %97 = load ptr, ptr %9, align 8, !tbaa !9
  %98 = load i64, ptr %15, align 8, !tbaa !5
  %99 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %97, i64 noundef %98) #4
  %100 = load i64, ptr %99, align 8, !tbaa !5
  %101 = add nsw i64 %100, 1
  %102 = load ptr, ptr %9, align 8, !tbaa !9
  %103 = load i64, ptr %20, align 8, !tbaa !5
  %104 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %102, i64 noundef %103) #4
  store i64 %101, ptr %104, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %11, ptr noundef nonnull align 8 dereferenceable(8) %20)
          to label %105 unwind label %115

105:                                              ; preds = %87
  store i32 0, ptr %19, align 4
  br label %106

106:                                              ; preds = %105, %78
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  %107 = load i32, ptr %19, align 4
  switch i32 %107, label %129 [
    i32 0, label %108
    i32 5, label %109
  ]

108:                                              ; preds = %106
  br label %109

109:                                              ; preds = %108, %106
  %110 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  br label %51

111:                                              ; preds = %83
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %13, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #4
  br label %119

115:                                              ; preds = %87
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %13, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %14, align 4
  br label %119

119:                                              ; preds = %115, %111, %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  br label %121

120:                                              ; preds = %53
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %33, !llvm.loop !11

121:                                              ; preds = %119, %62
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %123

122:                                              ; preds = %35
  store i32 1, ptr %19, align 4
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #4
  ret void

123:                                              ; preds = %121, %58, %54
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #4
  br label %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %13, align 8
  %126 = load i32, ptr %14, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128

129:                                              ; preds = %106
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 = { 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 #4 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::_Bit_reference" = type { ptr, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; 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 uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #1 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 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 nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3bfsxRSt6vectorIbSaIbEERS_IS_IxSaIxEESaIS4_EERS4_S8_(i64 noundef %0, ptr noundef nonnull align 8 dereferenceable(40) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::queue", align 8
  %8 = alloca %"struct.std::_Bit_reference", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i64, align 8
  %12 = alloca %"struct.std::_Bit_reference", align 8
  %13 = alloca %"struct.std::_Bit_reference", align 8
  store i64 %0, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %7) #4
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #4
  %14 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %1, i64 noundef %0)
          to label %15 unwind label %31

15:                                               ; preds = %5
  %16 = extractvalue { ptr, i64 } %14, 0
  store ptr %16, ptr %8, align 8
  %17 = getelementptr inbounds i8, ptr %8, i64 8
  %18 = extractvalue { ptr, i64 } %14, 1
  store i64 %18, ptr %17, align 8
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %8, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #4
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %.preheader unwind label %33

.preheader:                                       ; preds = %15
  %20 = call noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  br i1 %20, label %._crit_edge18, label %.lr.ph17

.lr.ph17:                                         ; preds = %.preheader
  %21 = getelementptr inbounds i8, ptr %12, i64 8
  %22 = getelementptr inbounds i8, ptr %13, i64 8
  br label %23

23:                                               ; preds = %.lr.ph17, %._crit_edge
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %25 = load i64, ptr %24, align 8, !tbaa !5
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  %26 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IxSaIxEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %25) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %27 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %26) #4
  store ptr %27, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %28 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %26) #4
  store ptr %28, ptr %10, align 8
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br i1 %29, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %58, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  %30 = call noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  br i1 %30, label %._crit_edge18, label %23, !llvm.loop !9

31:                                               ; preds = %5
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #4
  br label %66

33:                                               ; preds = %15
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %66

.lr.ph:                                           ; preds = %23, %58
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %36 = load i64, ptr %35, align 8, !tbaa !5
  store i64 %36, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %12) #4
  %37 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %1, i64 noundef %36)
          to label %38 unwind label %42

38:                                               ; preds = %.lr.ph
  %39 = extractvalue { ptr, i64 } %37, 0
  store ptr %39, ptr %12, align 8
  %40 = extractvalue { ptr, i64 } %37, 1
  store i64 %40, ptr %21, align 8
  %41 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %12) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %12) #4
  br i1 %41, label %58, label %44

42:                                               ; preds = %.lr.ph
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %12) #4
  br label %65

44:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %13) #4
  %45 = load i64, ptr %11, align 8, !tbaa !5
  %46 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %1, i64 noundef %45)
          to label %47 unwind label %61

47:                                               ; preds = %44
  %48 = extractvalue { ptr, i64 } %46, 0
  store ptr %48, ptr %13, align 8
  %49 = extractvalue { ptr, i64 } %46, 1
  store i64 %49, ptr %22, align 8
  %50 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %13, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %13) #4
  %51 = load i64, ptr %11, align 8, !tbaa !5
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %51) #4
  store i64 %25, ptr %52, align 8, !tbaa !5
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %25) #4
  %54 = load i64, ptr %53, align 8, !tbaa !5
  %55 = add nsw i64 %54, 1
  %56 = load i64, ptr %11, align 8, !tbaa !5
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %56) #4
  store i64 %55, ptr %57, align 8, !tbaa !5
  invoke void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 8 dereferenceable(8) %11)
          to label %58 unwind label %63

58:                                               ; preds = %47, %38
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %60 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPxSt6vectorIxSaIxEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br i1 %60, label %.lr.ph, label %._crit_edge

61:                                               ; preds = %44
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %13) #4
  br label %65

63:                                               ; preds = %47
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %65

65:                                               ; preds = %63, %61, %42
  %.pn = phi { ptr, i32 } [ %64, %63 ], [ %62, %61 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  br label %66

._crit_edge18:                                    ; preds = %._crit_edge, %.preheader
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %7) #4
  ret void

66:                                               ; preds = %65, %33, %31
  %.pn.pn = phi { ptr, i32 } [ %.pn, %65 ], [ %34, %33 ], [ %32, %31 ]
  call void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %7) #4
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE4pushERKx(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5queueIxSt5dequeIxSaIxEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 = { 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 #4 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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