; LLVM IR from Muhammad-Magdi/problem-solving :: Number Theory (Sieve_Number_of_Divisors)

; 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"

@numberOfDivisors = external dso_local global [100005 x i32], align 16
@n = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5sievev() #0

; 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 norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  store i32 100005, ptr @n, align 4, !tbaa !5
  call void @_Z5sievev()
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 2, ptr %2, align 4, !tbaa !5
  br label %3

3:                                                ; preds = %14, %0
  %4 = load i32, ptr %2, align 4, !tbaa !5
  %5 = icmp sle i32 %4, 30
  br i1 %5, label %7, label %6

6:                                                ; preds = %3
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %17

7:                                                ; preds = %3
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds [100005 x i32], ptr @numberOfDivisors, i64 0, i64 %10
  %12 = load i32, ptr %11, align 4, !tbaa !5
  %13 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %8, i32 noundef %12)
  br label %14

14:                                               ; preds = %7
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %2, align 4, !tbaa !5
  br label %3, !llvm.loop !9

17:                                               ; preds = %6
  ret i32 0
}

declare i32 @printf(ptr noundef, ...) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse 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 = { "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"

@numberOfDivisors = external dso_local local_unnamed_addr global [100005 x i32], align 16
@n = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5sievev() local_unnamed_addr #0

; Function Attrs: mustprogress norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  store i32 100005, ptr @n, align 4, !tbaa !5
  tail call void @_Z5sievev()
  %1 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 8), align 8, !tbaa !5
  %2 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 2, i32 noundef %1)
  %3 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 12), align 4, !tbaa !5
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 3, i32 noundef %3)
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 16), align 16, !tbaa !5
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 4, i32 noundef %5)
  %7 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 20), align 4, !tbaa !5
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 5, i32 noundef %7)
  %9 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 24), align 8, !tbaa !5
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 6, i32 noundef %9)
  %11 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 28), align 4, !tbaa !5
  %12 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 7, i32 noundef %11)
  %13 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 32), align 16, !tbaa !5
  %14 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 8, i32 noundef %13)
  %15 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 36), align 4, !tbaa !5
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 9, i32 noundef %15)
  %17 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 40), align 8, !tbaa !5
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 10, i32 noundef %17)
  %19 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 44), align 4, !tbaa !5
  %20 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 11, i32 noundef %19)
  %21 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 48), align 16, !tbaa !5
  %22 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 12, i32 noundef %21)
  %23 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 52), align 4, !tbaa !5
  %24 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 13, i32 noundef %23)
  %25 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 56), align 8, !tbaa !5
  %26 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 14, i32 noundef %25)
  %27 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 60), align 4, !tbaa !5
  %28 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 15, i32 noundef %27)
  %29 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 64), align 16, !tbaa !5
  %30 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 16, i32 noundef %29)
  %31 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 68), align 4, !tbaa !5
  %32 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 17, i32 noundef %31)
  %33 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 72), align 8, !tbaa !5
  %34 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 18, i32 noundef %33)
  %35 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 76), align 4, !tbaa !5
  %36 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 19, i32 noundef %35)
  %37 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 80), align 16, !tbaa !5
  %38 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 20, i32 noundef %37)
  %39 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 84), align 4, !tbaa !5
  %40 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 21, i32 noundef %39)
  %41 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 88), align 8, !tbaa !5
  %42 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 22, i32 noundef %41)
  %43 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 92), align 4, !tbaa !5
  %44 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 23, i32 noundef %43)
  %45 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 96), align 16, !tbaa !5
  %46 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 24, i32 noundef %45)
  %47 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 100), align 4, !tbaa !5
  %48 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 25, i32 noundef %47)
  %49 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 104), align 8, !tbaa !5
  %50 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 26, i32 noundef %49)
  %51 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 108), align 4, !tbaa !5
  %52 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 27, i32 noundef %51)
  %53 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 112), align 16, !tbaa !5
  %54 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 28, i32 noundef %53)
  %55 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 116), align 4, !tbaa !5
  %56 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 29, i32 noundef %55)
  %57 = load i32, ptr getelementptr inbounds (i8, ptr @numberOfDivisors, i64 120), align 8, !tbaa !5
  %58 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 30, i32 noundef %57)
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 norecurse 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 = { nofree nounwind "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" }

!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"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass