; LLVM IR from MinhasKamal/AlgorithmImplementations :: playWithNumbers/primeNumber (PrimeNumber)

; 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"

@.str.4 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [35 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [27 x i8], align 1

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

declare i32 @printf(ptr noundef, ...) #1

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

; Function Attrs: nounwind uwtable
declare dso_local void @sieve() #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @is_prime(i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @sieve()
  br label %4

4:                                                ; preds = %26, %14, %0
  br label %5

5:                                                ; preds = %4
  %6 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.5, ptr noundef %2)
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %10, label %11

10:                                               ; preds = %5
  br label %27

11:                                               ; preds = %5
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = icmp sge i32 %12, 100000000
  br i1 %13, label %14, label %16

14:                                               ; preds = %11
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str.6, i32 noundef 100000000)
  br label %4

16:                                               ; preds = %11
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = call i32 @is_prime(i32 noundef %17)
  %19 = icmp eq i32 1, %18
  br i1 %19, label %20, label %23

20:                                               ; preds = %16
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = call i32 (ptr, ...) @printf(ptr noundef @.str.7, i32 noundef %21)
  br label %26

23:                                               ; preds = %16
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = call i32 (ptr, ...) @printf(ptr noundef @.str.8, i32 noundef %24)
  br label %26

26:                                               ; preds = %23, %20
  br label %4

27:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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/C++ TBAA"}


; 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"

@.str.4 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [35 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [23 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [27 x i8], align 1

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

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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

; Function Attrs: nounwind uwtable
declare dso_local void @sieve() local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @is_prime(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  tail call void @sieve()
  %2 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.5, ptr noundef nonnull %1)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.backedge
  %6 = phi i32 [ %12, %.backedge ], [ %4, %0 ]
  %7 = icmp sgt i32 %6, 99999999
  br i1 %7, label %8, label %14

8:                                                ; preds = %.lr.ph
  %9 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i32 noundef 100000000)
  br label %.backedge

.backedge:                                        ; preds = %18, %20, %8
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.5, ptr noundef nonnull %1)
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %._crit_edge, label %.lr.ph

14:                                               ; preds = %.lr.ph
  %15 = call i32 @is_prime(i32 noundef %6)
  %16 = icmp eq i32 %15, 1
  %17 = load i32, ptr %1, align 4, !tbaa !5
  br i1 %16, label %18, label %20

18:                                               ; preds = %14
  %19 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7, i32 noundef %17)
  br label %.backedge

20:                                               ; preds = %14
  %21 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8, i32 noundef %17)
  br label %.backedge

._crit_edge:                                      ; preds = %.backedge, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }
attributes #2 = { 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/C++ TBAA"}


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