; LLVM IR from VastoLorde95/Competitive-Programming :: Timus/1580/A.ll (Z9propagatei)

; 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 }

@a = external dso_local global [100100 x i32], align 16
@b = external dso_local global [100100 x i32], align 16
@c = external dso_local global [100100 x i32], align 16
@val = external dso_local global [1100 x i64], align 16
@g = external dso_local global [1100 x %"class.std::vector"], align 16
@done = external dso_local global [1100 x i8], align 16

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 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)) #2

; 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)) #1 align 2

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

; 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)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z9propagatei(i32 noundef %0) #3 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds [1100 x i8], ptr @done, i64 0, i64 %11
  %13 = load i8, ptr %12, align 1, !tbaa !9, !range !11, !noundef !12
  %14 = trunc i8 %13 to i1
  br i1 %14, label %15, label %16

15:                                               ; preds = %1
  br label %85

16:                                               ; preds = %1
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [1100 x i8], ptr @done, i64 0, i64 %18
  store i8 1, ptr %19, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [1100 x %"class.std::vector"], ptr @g, i64 0, i64 %21
  store ptr %22, ptr %3, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %23 = load ptr, ptr %3, align 8, !tbaa !13
  %24 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %23) #4
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %24, ptr %25, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %26 = load ptr, ptr %3, align 8, !tbaa !13
  %27 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %26) #4
  %28 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %27, ptr %28, align 8
  br label %29

29:                                               ; preds = %83, %16
  %30 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %30, label %32, label %31

31:                                               ; preds = %29
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %85

32:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %34 = load i32, ptr %33, align 4, !tbaa !5
  store i32 %34, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %35 = load i32, ptr %7, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = load i32, ptr %2, align 4, !tbaa !5
  %40 = icmp eq i32 %38, %39
  br i1 %40, label %41, label %46

41:                                               ; preds = %32
  %42 = load i32, ptr %7, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [100100 x i32], ptr @b, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  br label %51

46:                                               ; preds = %32
  %47 = load i32, ptr %7, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  br label %51

51:                                               ; preds = %46, %41
  %52 = phi i32 [ %45, %41 ], [ %50, %46 ]
  store i32 %52, ptr %8, align 4, !tbaa !5
  %53 = load i32, ptr %8, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [1100 x i8], ptr @done, i64 0, i64 %54
  %56 = load i8, ptr %55, align 1, !tbaa !9, !range !11, !noundef !12
  %57 = trunc i8 %56 to i1
  br i1 %57, label %58, label %59

58:                                               ; preds = %51
  store i32 3, ptr %6, align 4
  br label %77

59:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %60 = load i32, ptr %7, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [100100 x i32], ptr @c, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  store i32 %63, ptr %9, align 4, !tbaa !5
  %64 = load i32, ptr %9, align 4, !tbaa !5
  %65 = load i32, ptr %9, align 4, !tbaa !5
  %66 = add nsw i32 %64, %65
  %67 = sext i32 %66 to i64
  %68 = load i32, ptr %2, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [1100 x i64], ptr @val, i64 0, i64 %69
  %71 = load i64, ptr %70, align 8, !tbaa !15
  %72 = sub nsw i64 %67, %71
  %73 = load i32, ptr %8, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [1100 x i64], ptr @val, i64 0, i64 %74
  store i64 %72, ptr %75, align 8, !tbaa !15
  %76 = load i32, ptr %8, align 4, !tbaa !5
  call void @_Z9propagatei(i32 noundef %76)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  store i32 0, ptr %6, align 4
  br label %77

77:                                               ; preds = %59, %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  %78 = load i32, ptr %6, align 4
  switch i32 %78, label %80 [
    i32 0, label %79
  ]

79:                                               ; preds = %77
  store i32 0, ptr %6, align 4
  br label %80

80:                                               ; preds = %79, %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  %81 = load i32, ptr %6, align 4
  switch i32 %81, label %86 [
    i32 0, label %82
    i32 3, label %83
  ]

82:                                               ; preds = %80
  br label %83

83:                                               ; preds = %82, %80
  %84 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br label %29

85:                                               ; preds = %31, %15
  ret void

86:                                               ; preds = %80
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"long long", !7, i64 0}


; 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 }

@a = external dso_local local_unnamed_addr global [100100 x i32], align 16
@b = external dso_local local_unnamed_addr global [100100 x i32], align 16
@c = external dso_local local_unnamed_addr global [100100 x i32], align 16
@val = external dso_local local_unnamed_addr global [1100 x i64], align 16
@g = external dso_local global [1100 x %"class.std::vector"], align 16
@done = external dso_local local_unnamed_addr global [1100 x i8], align 16

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; 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 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z9propagatei(i32 noundef %0) local_unnamed_addr #1 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = sext i32 %0 to i64
  %5 = getelementptr inbounds [1100 x i8], ptr @done, i64 0, i64 %4
  %6 = load i8, ptr %5, align 1, !tbaa !5, !range !9, !noundef !10
  %7 = trunc nuw i8 %6 to i1
  br i1 %7, label %41, label %8

8:                                                ; preds = %1
  store i8 1, ptr %5, align 1, !tbaa !5
  %9 = getelementptr inbounds [1100 x %"class.std::vector"], ptr @g, i64 0, i64 %4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %10 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  store ptr %10, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %11 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  store ptr %11, ptr %3, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br i1 %12, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %8
  %13 = getelementptr inbounds [1100 x i64], ptr @val, i64 0, i64 %4
  br label %14

._crit_edge:                                      ; preds = %38, %8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  br label %41

14:                                               ; preds = %.lr.ph, %38
  %15 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  %16 = load i32, ptr %15, align 4, !tbaa !11
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [100100 x i32], ptr @a, i64 0, i64 %17
  %19 = load i32, ptr %18, align 4, !tbaa !11
  %20 = icmp eq i32 %19, %0
  br i1 %20, label %21, label %24

21:                                               ; preds = %14
  %22 = getelementptr inbounds [100100 x i32], ptr @b, i64 0, i64 %17
  %23 = load i32, ptr %22, align 4, !tbaa !11
  br label %24

24:                                               ; preds = %14, %21
  %25 = phi i32 [ %23, %21 ], [ %19, %14 ]
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [1100 x i8], ptr @done, i64 0, i64 %26
  %28 = load i8, ptr %27, align 1, !tbaa !5, !range !9, !noundef !10
  %29 = trunc nuw i8 %28 to i1
  br i1 %29, label %38, label %30

30:                                               ; preds = %24
  %31 = getelementptr inbounds [100100 x i32], ptr @c, i64 0, i64 %17
  %32 = load i32, ptr %31, align 4, !tbaa !11
  %33 = shl nsw i32 %32, 1
  %34 = sext i32 %33 to i64
  %35 = load i64, ptr %13, align 8, !tbaa !13
  %36 = sub nsw i64 %34, %35
  %37 = getelementptr inbounds [1100 x i64], ptr @val, i64 0, i64 %26
  store i64 %36, ptr %37, align 8, !tbaa !13
  call void @_Z9propagatei(i32 noundef %25)
  br label %38

38:                                               ; preds = %24, %30
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  %40 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br i1 %40, label %14, label %._crit_edge

41:                                               ; preds = %1, %._crit_edge
  ret void
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"long long", !7, i64 0}


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