; LLVM IR from ShahjalalShohag/code-library :: Graph Theory/Prufer Code.ll (Z11prufer_codev)

; 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::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@n = external dso_local global i32, align 4
@g = external dso_local global [300009 x %"class.std::vector"], align 16
@parent = external dso_local global [300009 x i32], align 16
@degree = external dso_local global [300009 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z11prufer_codev(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %2, align 8
  %11 = load i32, ptr @n, align 4, !tbaa !5
  %12 = sub nsw i32 %11, 1
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [300009 x i32], ptr @parent, i64 0, i64 %13
  store i32 -1, ptr %14, align 4, !tbaa !5
  %15 = load i32, ptr @n, align 4, !tbaa !5
  %16 = sub nsw i32 %15, 1
  call void @_Z3dfsi(i32 noundef %16)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 -1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %42, %1
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = load i32, ptr @n, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %45

22:                                               ; preds = %17
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @g, i64 0, i64 %24
  %26 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %25) #3
  %27 = trunc i64 %26 to i32
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %29
  store i32 %27, ptr %30, align 4, !tbaa !5
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %32
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = icmp eq i32 %34, 1
  br i1 %35, label %36, label %41

36:                                               ; preds = %22
  %37 = load i32, ptr %3, align 4, !tbaa !5
  %38 = icmp eq i32 %37, -1
  br i1 %38, label %39, label %41

39:                                               ; preds = %36
  %40 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %40, ptr %3, align 4, !tbaa !5
  br label %41

41:                                               ; preds = %39, %36, %22
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %4, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %4, align 4, !tbaa !5
  br label %17, !llvm.loop !9

45:                                               ; preds = %21
  store i1 false, ptr %5, align 1
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %46 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %46, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %100, %45
  %48 = load i32, ptr %7, align 4, !tbaa !5
  %49 = load i32, ptr @n, align 4, !tbaa !5
  %50 = sub nsw i32 %49, 2
  %51 = icmp slt i32 %48, %50
  br i1 %51, label %53, label %52

52:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %103

53:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %54 = load i32, ptr %6, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [300009 x i32], ptr @parent, i64 0, i64 %55
  %57 = load i32, ptr %56, align 4, !tbaa !5
  store i32 %57, ptr %8, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %58 unwind label %75

58:                                               ; preds = %53
  %59 = load i32, ptr %8, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %60
  %62 = load i32, ptr %61, align 4, !tbaa !5
  %63 = add nsw i32 %62, -1
  store i32 %63, ptr %61, align 4, !tbaa !5
  %64 = load i32, ptr %8, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %65
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = icmp eq i32 %67, 1
  br i1 %68, label %69, label %79

69:                                               ; preds = %58
  %70 = load i32, ptr %8, align 4, !tbaa !5
  %71 = load i32, ptr %3, align 4, !tbaa !5
  %72 = icmp slt i32 %70, %71
  br i1 %72, label %73, label %79

73:                                               ; preds = %69
  %74 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %74, ptr %6, align 4, !tbaa !5
  br label %99

75:                                               ; preds = %53
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %9, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %107

79:                                               ; preds = %69, %58
  %80 = load i32, ptr %3, align 4, !tbaa !5
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %3, align 4, !tbaa !5
  br label %82

82:                                               ; preds = %94, %79
  %83 = load i32, ptr %3, align 4, !tbaa !5
  %84 = load i32, ptr @n, align 4, !tbaa !5
  %85 = icmp slt i32 %83, %84
  br i1 %85, label %86, label %92

86:                                               ; preds = %82
  %87 = load i32, ptr %3, align 4, !tbaa !5
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %88
  %90 = load i32, ptr %89, align 4, !tbaa !5
  %91 = icmp ne i32 %90, 1
  br label %92

92:                                               ; preds = %86, %82
  %93 = phi i1 [ false, %82 ], [ %91, %86 ]
  br i1 %93, label %94, label %97

94:                                               ; preds = %92
  %95 = load i32, ptr %3, align 4, !tbaa !5
  %96 = add nsw i32 %95, 1
  store i32 %96, ptr %3, align 4, !tbaa !5
  br label %82, !llvm.loop !11

97:                                               ; preds = %92
  %98 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %98, ptr %6, align 4, !tbaa !5
  br label %99

99:                                               ; preds = %97, %73
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %100

100:                                              ; preds = %99
  %101 = load i32, ptr %7, align 4, !tbaa !5
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %7, align 4, !tbaa !5
  br label %47, !llvm.loop !12

103:                                              ; preds = %52
  store i1 true, ptr %5, align 1
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %104 = load i1, ptr %5, align 1
  br i1 %104, label %106, label %105

105:                                              ; preds = %103
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %106

106:                                              ; preds = %105, %103
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void

107:                                              ; preds = %75
  %108 = load ptr, ptr %9, align 8
  %109 = load i32, ptr %10, align 4
  %110 = insertvalue { ptr, i32 } poison, ptr %108, 0
  %111 = insertvalue { ptr, i32 } %110, i32 %109, 1
  resume { ptr, i32 } %111
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

declare i32 @__gxx_personality_v0(...)

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind }

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

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


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

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

@n = external dso_local local_unnamed_addr global i32, align 4
@g = external dso_local global [300009 x %"class.std::vector"], align 16
@parent = external dso_local local_unnamed_addr global [300009 x i32], align 16
@degree = external dso_local local_unnamed_addr global [300009 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z11prufer_codev(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = load i32, ptr @n, align 4, !tbaa !5
  %4 = add nsw i32 %3, -1
  %5 = sext i32 %4 to i64
  %6 = getelementptr inbounds [300009 x i32], ptr @parent, i64 0, i64 %5
  store i32 -1, ptr %6, align 4, !tbaa !5
  tail call void @_Z3dfsi(i32 noundef %4)
  %7 = load i32, ptr @n, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.0.lcssa = phi i32 [ -1, %1 ], [ %spec.select, %.lr.ph ]
  tail call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 2
  br i1 %10, label %.lr.ph32, label %._crit_edge33

.lr.ph:                                           ; preds = %1, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %1 ]
  %.027 = phi i32 [ %spec.select, %.lr.ph ], [ -1, %1 ]
  %11 = getelementptr inbounds [300009 x %"class.std::vector"], ptr @g, i64 0, i64 %indvars.iv
  %12 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  %13 = trunc i64 %12 to i32
  %14 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %indvars.iv
  store i32 %13, ptr %14, align 4, !tbaa !5
  %15 = icmp eq i32 %13, 1
  %16 = icmp eq i32 %.027, -1
  %or.cond = select i1 %15, i1 %16, i1 false
  %17 = trunc nuw nsw i64 %indvars.iv to i32
  %spec.select = select i1 %or.cond, i32 %17, i32 %.027
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %18 = load i32, ptr @n, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = icmp slt i64 %indvars.iv.next, %19
  br i1 %20, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.lr.ph32:                                         ; preds = %._crit_edge, %.critedge
  %.230 = phi i32 [ %.4, %.critedge ], [ %.0.lcssa, %._crit_edge ]
  %.02129 = phi i32 [ %43, %.critedge ], [ 0, %._crit_edge ]
  %.02228 = phi i32 [ %.123, %.critedge ], [ %.0.lcssa, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  %21 = sext i32 %.02228 to i64
  %22 = getelementptr inbounds [300009 x i32], ptr @parent, i64 0, i64 %21
  %23 = load i32, ptr %22, align 4, !tbaa !5
  store i32 %23, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %24 unwind label %35

24:                                               ; preds = %.lr.ph32
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %26
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = add nsw i32 %28, -1
  store i32 %29, ptr %27, align 4, !tbaa !5
  %30 = icmp eq i32 %29, 1
  %31 = icmp slt i32 %25, %.230
  %or.cond25 = select i1 %30, i1 %31, i1 false
  %.pre = load i32, ptr @n, align 4, !tbaa !5
  br i1 %or.cond25, label %.critedge, label %.preheader

.preheader:                                       ; preds = %24
  %32 = sext i32 %.230 to i64
  %33 = sext i32 %.pre to i64
  %34 = add i32 %.230, 1
  %smax = call i32 @llvm.smax.i32(i32 %.pre, i32 %34)
  br label %37

35:                                               ; preds = %.lr.ph32
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  resume { ptr, i32 } %36

37:                                               ; preds = %.preheader, %39
  %indvars.iv35 = phi i64 [ %32, %.preheader ], [ %indvars.iv.next36, %39 ]
  %indvars.iv.next36 = add nsw i64 %indvars.iv35, 1
  %38 = icmp slt i64 %indvars.iv.next36, %33
  br i1 %38, label %39, label %.critedge

39:                                               ; preds = %37
  %40 = getelementptr inbounds [300009 x i32], ptr @degree, i64 0, i64 %indvars.iv.next36
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %.not = icmp eq i32 %41, 1
  br i1 %.not, label %.critedge.loopexit.split.loop.exit38, label %37, !llvm.loop !11

.critedge.loopexit.split.loop.exit38:             ; preds = %39
  %42 = trunc nsw i64 %indvars.iv.next36 to i32
  br label %.critedge

.critedge:                                        ; preds = %37, %.critedge.loopexit.split.loop.exit38, %24
  %.123 = phi i32 [ %25, %24 ], [ %42, %.critedge.loopexit.split.loop.exit38 ], [ %smax, %37 ]
  %.4 = phi i32 [ %.230, %24 ], [ %42, %.critedge.loopexit.split.loop.exit38 ], [ %smax, %37 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  %43 = add nuw nsw i32 %.02129, 1
  %44 = add nsw i32 %.pre, -2
  %45 = icmp slt i32 %43, %44
  br i1 %45, label %.lr.ph32, label %._crit_edge33, !llvm.loop !12

._crit_edge33:                                    ; preds = %.critedge, %._crit_edge
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3

attributes #0 = { 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 #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


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