; LLVM IR from schostac/Advanced-Algorithms-and-Complexity :: week1/airline_crews.ll (Z3BFSRK9FlowGraphiiRSt6vectorIiSaIiEE)

; 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<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.15" = type { ptr }
%"struct.FlowGraph::Edge" = type { i32, i32, i32, i32 }

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

declare i32 @__gxx_personality_v0(...)

; 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
define dso_local void @_Z3BFSRK9FlowGraphiiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(56) %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3) #1 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::queue", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca ptr, align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator.15", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator.15", align 8
  %19 = alloca i64, align 8
  %20 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr %9) #5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %9, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %21 unwind label %55

21:                                               ; preds = %4
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #5
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #5
  %27 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  store i32 -1, ptr %14, align 4, !tbaa !9
  %28 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8
  invoke void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr %29, ptr %31, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %32 unwind label %59

32:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %33

33:                                               ; preds = %120, %32
  %34 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
          to label %35 unwind label %55

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 4, ptr %15) #5
  %38 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
          to label %39 unwind label %63

39:                                               ; preds = %37
  %40 = load i32, ptr %38, align 4, !tbaa !9
  store i32 %40, ptr %15, align 4, !tbaa !9
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %9)
          to label %41 unwind label %63

41:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  %43 = load i32, ptr %15, align 4, !tbaa !9
  %44 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9FlowGraph7get_idsEi(ptr noundef nonnull align 8 dereferenceable(56) %42, i32 noundef %43)
          to label %45 unwind label %67

45:                                               ; preds = %41
  store ptr %44, ptr %16, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %46 = load ptr, ptr %16, align 8, !tbaa !5
  %47 = call ptr @_ZNKSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %46) #5
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.15", ptr %17, i32 0, i32 0
  store ptr %47, ptr %48, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  %49 = load ptr, ptr %16, align 8, !tbaa !5
  %50 = call ptr @_ZNKSt6vectorImSaImEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %49) #5
  %51 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.15", ptr %18, i32 0, i32 0
  store ptr %50, ptr %51, align 8
  br label %52

52:                                               ; preds = %117, %45
  %53 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #5
  br i1 %53, label %71, label %54

54:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %120

55:                                               ; preds = %33, %4
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %10, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %11, align 4
  br label %123

59:                                               ; preds = %21
  %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 @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %123

63:                                               ; preds = %39, %37
  %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
  br label %121

67:                                               ; preds = %41
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %10, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %11, align 4
  br label %119

71:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #5
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #5
  %73 = load i64, ptr %72, align 8, !tbaa !11
  store i64 %73, ptr %19, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #5
  %74 = load ptr, ptr %5, align 8, !tbaa !5
  %75 = load i64, ptr %19, align 8, !tbaa !11
  %76 = invoke noundef nonnull align 4 dereferenceable(16) ptr @_ZNK9FlowGraph8get_edgeEm(ptr noundef nonnull align 8 dereferenceable(56) %74, i64 noundef %75)
          to label %77 unwind label %112

77:                                               ; preds = %71
  store ptr %76, ptr %20, align 8, !tbaa !5
  %78 = load ptr, ptr %8, align 8, !tbaa !5
  %79 = load ptr, ptr %20, align 8, !tbaa !5
  %80 = getelementptr inbounds %"struct.FlowGraph::Edge", ptr %79, i32 0, i32 1
  %81 = load i32, ptr %80, align 4, !tbaa !13
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %78, i64 noundef %82) #5
  %84 = load i32, ptr %83, align 4, !tbaa !9
  %85 = icmp eq i32 %84, -1
  br i1 %85, label %86, label %116

86:                                               ; preds = %77
  %87 = load ptr, ptr %20, align 8, !tbaa !5
  %88 = getelementptr inbounds %"struct.FlowGraph::Edge", ptr %87, i32 0, i32 2
  %89 = load i32, ptr %88, align 4, !tbaa !15
  %90 = load ptr, ptr %20, align 8, !tbaa !5
  %91 = getelementptr inbounds %"struct.FlowGraph::Edge", ptr %90, i32 0, i32 3
  %92 = load i32, ptr %91, align 4, !tbaa !16
  %93 = icmp sgt i32 %89, %92
  br i1 %93, label %94, label %116

94:                                               ; preds = %86
  %95 = load ptr, ptr %20, align 8, !tbaa !5
  %96 = getelementptr inbounds %"struct.FlowGraph::Edge", ptr %95, i32 0, i32 1
  %97 = load i32, ptr %96, align 4, !tbaa !13
  %98 = load i32, ptr %6, align 4, !tbaa !9
  %99 = icmp ne i32 %97, %98
  br i1 %99, label %100, label %116

100:                                              ; preds = %94
  %101 = load i64, ptr %19, align 8, !tbaa !11
  %102 = trunc i64 %101 to i32
  %103 = load ptr, ptr %8, align 8, !tbaa !5
  %104 = load ptr, ptr %20, align 8, !tbaa !5
  %105 = getelementptr inbounds %"struct.FlowGraph::Edge", ptr %104, i32 0, i32 1
  %106 = load i32, ptr %105, align 4, !tbaa !13
  %107 = sext i32 %106 to i64
  %108 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %103, i64 noundef %107) #5
  store i32 %102, ptr %108, align 4, !tbaa !9
  %109 = load ptr, ptr %20, align 8, !tbaa !5
  %110 = getelementptr inbounds %"struct.FlowGraph::Edge", ptr %109, i32 0, i32 1
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %9, ptr noundef nonnull align 4 dereferenceable(4) %110)
          to label %111 unwind label %112

111:                                              ; preds = %100
  br label %116

112:                                              ; preds = %100, %71
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %10, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  br label %119

116:                                              ; preds = %111, %94, %86, %77
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  br label %117

117:                                              ; preds = %116
  %118 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #5
  br label %52

119:                                              ; preds = %112, %67
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %121

120:                                              ; preds = %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %33, !llvm.loop !17

121:                                              ; preds = %119, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %123

122:                                              ; preds = %35
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %9) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %9) #5
  ret void

123:                                              ; preds = %121, %59, %55
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %9) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %9) #5
  br label %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %10, align 8
  %126 = load i32, ptr %11, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9FlowGraph7get_idsEi(ptr noundef nonnull align 8 dereferenceable(56), i32 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorImSaImEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(16) ptr @_ZNK9FlowGraph8get_edgeEm(ptr noundef nonnull align 8 dereferenceable(56), i64 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 = { inlinehint 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 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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !10, i64 4}
!14 = !{!"_ZTSN9FlowGraph4EdgeE", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12}
!15 = !{!14, !10, i64 8}
!16 = !{!14, !10, i64 12}
!17 = distinct !{!17, !18}
!18 = !{!"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<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator.15" = type { ptr }

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

declare i32 @__gxx_personality_v0(...)

; 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
define dso_local void @_Z3BFSRK9FlowGraphiiRSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(56) %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::queue", align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.15", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.15", align 8
  store i32 %1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %6) #5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %10 unwind label %22

10:                                               ; preds = %4
  %11 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  %12 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #5
  store i32 -1, ptr %7, align 4, !tbaa !5
  invoke void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr %11, ptr %12, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %13 unwind label %24

13:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #5
  %14 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  br i1 %14, label %._crit_edge24, label %.lr.ph23

.lr.ph23:                                         ; preds = %13, %._crit_edge
  %15 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  %16 = load i32, ptr %15, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  %17 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9FlowGraph7get_idsEi(ptr noundef nonnull align 8 dereferenceable(56) %0, i32 noundef %16)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %18 = call ptr @_ZNKSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  store ptr %18, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %19 = call ptr @_ZNKSt6vectorImSaImEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  store ptr %19, ptr %9, align 8
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br i1 %20, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %50, %.lr.ph23
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  %21 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %6)
  br i1 %21, label %._crit_edge24, label %.lr.ph23, !llvm.loop !9

22:                                               ; preds = %4
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %53

24:                                               ; preds = %10
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #5
  br label %53

.lr.ph:                                           ; preds = %.lr.ph23, %50
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  %27 = load i64, ptr %26, align 8, !tbaa !11
  %28 = call noundef nonnull align 4 dereferenceable(16) ptr @_ZNK9FlowGraph8get_edgeEm(ptr noundef nonnull align 8 dereferenceable(56) %0, i64 noundef %27)
  %29 = getelementptr inbounds i8, ptr %28, i64 4
  %30 = load i32, ptr %29, align 4, !tbaa !13
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %31) #5
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = icmp eq i32 %33, -1
  br i1 %34, label %35, label %50

35:                                               ; preds = %.lr.ph
  %36 = getelementptr inbounds i8, ptr %28, i64 8
  %37 = load i32, ptr %36, align 4, !tbaa !15
  %38 = getelementptr inbounds i8, ptr %28, i64 12
  %39 = load i32, ptr %38, align 4, !tbaa !16
  %40 = icmp sgt i32 %37, %39
  br i1 %40, label %41, label %50

41:                                               ; preds = %35
  %42 = load i32, ptr %29, align 4, !tbaa !13
  %43 = load i32, ptr %5, align 4, !tbaa !5
  %.not = icmp eq i32 %42, %43
  br i1 %.not, label %50, label %44

44:                                               ; preds = %41
  %45 = trunc i64 %27 to i32
  %46 = sext i32 %42 to i64
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %46) #5
  store i32 %45, ptr %47, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %6, ptr noundef nonnull align 4 dereferenceable(4) %29)
          to label %50 unwind label %48

48:                                               ; preds = %44
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br label %53

50:                                               ; preds = %44, %41, %35, %.lr.ph
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  %52 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br i1 %52, label %.lr.ph, label %._crit_edge

._crit_edge24:                                    ; preds = %._crit_edge, %13
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %6) #5
  ret void

53:                                               ; preds = %48, %24, %22
  %.pn = phi { ptr, i32 } [ %49, %48 ], [ %25, %24 ], [ %23, %22 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %6) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %6) #5
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiEvT_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9FlowGraph7get_idsEi(ptr noundef nonnull align 8 dereferenceable(56), i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorImSaImEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKmSt6vectorImSaImEEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(16) ptr @_ZNK9FlowGraph8get_edgeEm(ptr noundef nonnull align 8 dereferenceable(56), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKmSt6vectorImSaImEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 = { inlinehint 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 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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !6, i64 4}
!14 = !{!"_ZTSN9FlowGraph4EdgeE", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12}
!15 = !{!14, !6, i64 8}
!16 = !{!14, !6, i64 12}


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