; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Codesprints 2016/Codesprint April/Problem E/E.ll (Z3dfsii)

; 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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@c = external dso_local global [50100 x i32], align 16
@d = external dso_local global [50100 x i32], align 16
@g = external dso_local global [50100 x %"class.std::vector"], align 16
@xsum = external dso_local global [50100 x [2 x i32]], align 16
@l = external dso_local global [50100 x i32], align 16
@r = external dso_local global [50100 x i32], align 16
@t = external dso_local global i32, align 4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %7 = load i32, ptr %3, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [50100 x i32], ptr @c, i64 0, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %12
  %14 = getelementptr inbounds [2 x i32], ptr %13, i64 0, i64 0
  store i32 %10, ptr %14, align 8, !tbaa !5
  %15 = load i32, ptr @t, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr @t, align 4, !tbaa !5
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [50100 x i32], ptr @l, i64 0, i64 %18
  store i32 %16, ptr %19, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [50100 x %"class.std::vector"], ptr @g, i64 0, i64 %21
  %23 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #4
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  br label %25

25:                                               ; preds = %76, %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [50100 x %"class.std::vector"], ptr @g, i64 0, i64 %27
  %29 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #4
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  %31 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br i1 %31, label %33, label %32

32:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %78

33:                                               ; preds = %25
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = load i32, ptr %4, align 4, !tbaa !5
  %37 = icmp eq i32 %35, %36
  br i1 %37, label %38, label %39

38:                                               ; preds = %33
  br label %76

39:                                               ; preds = %33
  %40 = load i32, ptr %3, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [50100 x i32], ptr @d, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [50100 x i32], ptr @d, i64 0, i64 %47
  store i32 %44, ptr %48, align 4, !tbaa !5
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z3dfsii(i32 noundef %50, i32 noundef %51)
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %53 = load i32, ptr %52, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %54
  %56 = getelementptr inbounds [2 x i32], ptr %55, i64 0, i64 1
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = load i32, ptr %3, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %59
  %61 = getelementptr inbounds [2 x i32], ptr %60, i64 0, i64 0
  %62 = load i32, ptr %61, align 8, !tbaa !5
  %63 = xor i32 %62, %57
  store i32 %63, ptr %61, align 8, !tbaa !5
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %66
  %68 = getelementptr inbounds [2 x i32], ptr %67, i64 0, i64 0
  %69 = load i32, ptr %68, align 8, !tbaa !5
  %70 = load i32, ptr %3, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %71
  %73 = getelementptr inbounds [2 x i32], ptr %72, i64 0, i64 1
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = xor i32 %74, %69
  store i32 %75, ptr %73, align 4, !tbaa !5
  br label %76

76:                                               ; preds = %39, %38
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br label %25, !llvm.loop !9

78:                                               ; preds = %32
  %79 = load i32, ptr @t, align 4, !tbaa !5
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr @t, align 4, !tbaa !5
  %81 = load i32, ptr %3, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [50100 x i32], ptr @r, i64 0, i64 %82
  store i32 %80, ptr %83, align 4, !tbaa !5
  ret void
}

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_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 ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(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_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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

%"class.std::vector" = 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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@c = external dso_local local_unnamed_addr global [50100 x i32], align 16
@d = external dso_local local_unnamed_addr global [50100 x i32], align 16
@g = external dso_local global [50100 x %"class.std::vector"], align 16
@xsum = external dso_local local_unnamed_addr global [50100 x [2 x i32]], align 16
@l = external dso_local local_unnamed_addr global [50100 x i32], align 16
@r = external dso_local local_unnamed_addr global [50100 x i32], align 16
@t = external dso_local local_unnamed_addr global i32, align 4

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = sext i32 %0 to i64
  %6 = getelementptr inbounds [50100 x i32], ptr @c, i64 0, i64 %5
  %7 = load i32, ptr %6, align 4, !tbaa !5
  %8 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %5
  store i32 %7, ptr %8, align 8, !tbaa !5
  %9 = load i32, ptr @t, align 4, !tbaa !5
  %10 = add nsw i32 %9, 1
  store i32 %10, ptr @t, align 4, !tbaa !5
  %11 = getelementptr inbounds [50100 x i32], ptr @l, i64 0, i64 %5
  store i32 %10, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %12 = getelementptr inbounds [50100 x %"class.std::vector"], ptr @g, i64 0, i64 %5
  %13 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  store ptr %13, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %14 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  store ptr %14, ptr %4, align 8
  %15 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br i1 %15, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2
  %16 = getelementptr inbounds [50100 x i32], ptr @d, i64 0, i64 %5
  %17 = getelementptr inbounds i8, ptr %8, i64 4
  br label %21

._crit_edge:                                      ; preds = %48, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %18 = load i32, ptr @t, align 4, !tbaa !5
  %19 = add nsw i32 %18, 1
  store i32 %19, ptr @t, align 4, !tbaa !5
  %20 = getelementptr inbounds [50100 x i32], ptr @r, i64 0, i64 %5
  store i32 %19, ptr %20, align 4, !tbaa !5
  ret void

21:                                               ; preds = %.lr.ph, %48
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = icmp eq i32 %23, %1
  br i1 %24, label %48, label %25

25:                                               ; preds = %21
  %26 = load i32, ptr %16, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [50100 x i32], ptr @d, i64 0, i64 %30
  store i32 %27, ptr %31, align 4, !tbaa !5
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %33 = load i32, ptr %32, align 4, !tbaa !5
  call void @_Z3dfsii(i32 noundef %33, i32 noundef %0)
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %36, i64 1
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = load i32, ptr %8, align 8, !tbaa !5
  %40 = xor i32 %39, %38
  store i32 %40, ptr %8, align 8, !tbaa !5
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [50100 x [2 x i32]], ptr @xsum, i64 0, i64 %43
  %45 = load i32, ptr %44, align 8, !tbaa !5
  %46 = load i32, ptr %17, align 4, !tbaa !5
  %47 = xor i32 %46, %45
  store i32 %47, ptr %17, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %21, %25
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %50 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  store ptr %50, ptr %4, align 8
  %51 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br i1 %51, label %21, label %._crit_edge, !llvm.loop !9
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

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

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

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


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