; LLVM IR from brpapa/algorithms :: solutions/uva/11402.ll (Z12range_updateiiiiic)

; 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.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@bin_tree = external dso_local global %"class.std::vector", align 8
@lazy = external dso_local global %"class.std::vector.0", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z2lei(i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z2rii(i32 noundef) #0

; 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) #0 align 2

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

; 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 void @_Z14propagate_lazyiii(i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z12range_updateiiiiic(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i8 noundef signext %5) #2 {
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i8, align 1
  %13 = alloca i32, align 4
  store i32 %0, ptr %7, align 4, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !5
  store i32 %3, ptr %10, align 4, !tbaa !5
  store i32 %4, ptr %11, align 4, !tbaa !5
  store i8 %5, ptr %12, align 1, !tbaa !9
  %14 = load i32, ptr %7, align 4, !tbaa !5
  %15 = load i32, ptr %8, align 4, !tbaa !5
  %16 = load i32, ptr %9, align 4, !tbaa !5
  call void @_Z14propagate_lazyiii(i32 noundef %14, i32 noundef %15, i32 noundef %16)
  %17 = load i32, ptr %10, align 4, !tbaa !5
  %18 = load i32, ptr %9, align 4, !tbaa !5
  %19 = icmp sgt i32 %17, %18
  br i1 %19, label %24, label %20

20:                                               ; preds = %6
  %21 = load i32, ptr %11, align 4, !tbaa !5
  %22 = load i32, ptr %8, align 4, !tbaa !5
  %23 = icmp slt i32 %21, %22
  br i1 %23, label %24, label %25

24:                                               ; preds = %20, %6
  br label %76

25:                                               ; preds = %20
  %26 = load i32, ptr %8, align 4, !tbaa !5
  %27 = load i32, ptr %10, align 4, !tbaa !5
  %28 = icmp sge i32 %26, %27
  br i1 %28, label %29, label %41

29:                                               ; preds = %25
  %30 = load i32, ptr %9, align 4, !tbaa !5
  %31 = load i32, ptr %11, align 4, !tbaa !5
  %32 = icmp sle i32 %30, %31
  br i1 %32, label %33, label %41

33:                                               ; preds = %29
  %34 = load i8, ptr %12, align 1, !tbaa !9
  %35 = load i32, ptr %7, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @lazy, i64 noundef %36) #3
  store i8 %34, ptr %37, align 1, !tbaa !9
  %38 = load i32, ptr %7, align 4, !tbaa !5
  %39 = load i32, ptr %8, align 4, !tbaa !5
  %40 = load i32, ptr %9, align 4, !tbaa !5
  call void @_Z14propagate_lazyiii(i32 noundef %38, i32 noundef %39, i32 noundef %40)
  br label %76

41:                                               ; preds = %29, %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  %42 = load i32, ptr %8, align 4, !tbaa !5
  %43 = load i32, ptr %9, align 4, !tbaa !5
  %44 = add nsw i32 %42, %43
  %45 = sdiv i32 %44, 2
  store i32 %45, ptr %13, align 4, !tbaa !5
  %46 = load i32, ptr %7, align 4, !tbaa !5
  %47 = call noundef i32 @_Z2lei(i32 noundef %46)
  %48 = load i32, ptr %8, align 4, !tbaa !5
  %49 = load i32, ptr %13, align 4, !tbaa !5
  %50 = add nsw i32 %49, 0
  %51 = load i32, ptr %10, align 4, !tbaa !5
  %52 = load i32, ptr %11, align 4, !tbaa !5
  %53 = load i8, ptr %12, align 1, !tbaa !9
  call void @_Z12range_updateiiiiic(i32 noundef %47, i32 noundef %48, i32 noundef %50, i32 noundef %51, i32 noundef %52, i8 noundef signext %53)
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = call noundef i32 @_Z2rii(i32 noundef %54)
  %56 = load i32, ptr %13, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  %58 = load i32, ptr %9, align 4, !tbaa !5
  %59 = load i32, ptr %10, align 4, !tbaa !5
  %60 = load i32, ptr %11, align 4, !tbaa !5
  %61 = load i8, ptr %12, align 1, !tbaa !9
  call void @_Z12range_updateiiiiic(i32 noundef %55, i32 noundef %57, i32 noundef %58, i32 noundef %59, i32 noundef %60, i8 noundef signext %61)
  %62 = load i32, ptr %7, align 4, !tbaa !5
  %63 = call noundef i32 @_Z2lei(i32 noundef %62)
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bin_tree, i64 noundef %64) #3
  %66 = load i32, ptr %65, align 4, !tbaa !5
  %67 = load i32, ptr %7, align 4, !tbaa !5
  %68 = call noundef i32 @_Z2rii(i32 noundef %67)
  %69 = sext i32 %68 to i64
  %70 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bin_tree, i64 noundef %69) #3
  %71 = load i32, ptr %70, align 4, !tbaa !5
  %72 = add nsw i32 %66, %71
  %73 = load i32, ptr %7, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bin_tree, i64 noundef %74) #3
  store i32 %72, ptr %75, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %76

76:                                               ; preds = %41, %33, %24
  ret void
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 = !{!7, !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.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@bin_tree = external dso_local global %"class.std::vector", align 8
@lazy = external dso_local global %"class.std::vector.0", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z2lei(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z2rii(i32 noundef) local_unnamed_addr #0

; 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z14propagate_lazyiii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z12range_updateiiiiic(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i8 noundef signext %5) local_unnamed_addr #0 {
  tail call void @_Z14propagate_lazyiii(i32 noundef %0, i32 noundef %1, i32 noundef %2)
  %7 = icmp sgt i32 %3, %2
  %8 = icmp slt i32 %4, %1
  %or.cond = or i1 %7, %8
  br i1 %or.cond, label %common.ret38, label %9

9:                                                ; preds = %6
  %.not = icmp slt i32 %1, %3
  %.not36 = icmp sgt i32 %2, %4
  %or.cond37 = or i1 %.not, %.not36
  br i1 %or.cond37, label %13, label %10

10:                                               ; preds = %9
  %11 = sext i32 %0 to i64
  %12 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @lazy, i64 noundef %11) #1
  store i8 %5, ptr %12, align 1, !tbaa !5
  tail call void @_Z14propagate_lazyiii(i32 noundef %0, i32 noundef %1, i32 noundef %2)
  br label %common.ret38

common.ret38:                                     ; preds = %6, %10, %13
  ret void

13:                                               ; preds = %9
  %14 = add nsw i32 %2, %1
  %15 = sdiv i32 %14, 2
  %16 = tail call noundef i32 @_Z2lei(i32 noundef %0)
  tail call void @_Z12range_updateiiiiic(i32 noundef %16, i32 noundef %1, i32 noundef %15, i32 noundef %3, i32 noundef %4, i8 noundef signext %5)
  %17 = tail call noundef i32 @_Z2rii(i32 noundef %0)
  %18 = add nsw i32 %15, 1
  tail call void @_Z12range_updateiiiiic(i32 noundef %17, i32 noundef %18, i32 noundef %2, i32 noundef %3, i32 noundef %4, i8 noundef signext %5)
  %19 = tail call noundef i32 @_Z2lei(i32 noundef %0)
  %20 = sext i32 %19 to i64
  %21 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bin_tree, i64 noundef %20) #1
  %22 = load i32, ptr %21, align 4, !tbaa !8
  %23 = tail call noundef i32 @_Z2rii(i32 noundef %0)
  %24 = sext i32 %23 to i64
  %25 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bin_tree, i64 noundef %24) #1
  %26 = load i32, ptr %25, align 4, !tbaa !8
  %27 = add nsw i32 %26, %22
  %28 = sext i32 %0 to i64
  %29 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bin_tree, i64 noundef %28) #1
  store i32 %27, ptr %29, align 4, !tbaa !8
  br label %common.ret38
}

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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass