; LLVM IR from MostafaTwfiq/C-DataStructures-And-Algorithms :: Algorithms/ArraysAlg/Sources (ArraysAlg)

; 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"

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [31 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [26 x i8], align 1
@stdout = external global ptr, align 8
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [2 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

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

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @printArr(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3) #3 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %16

13:                                               ; preds = %4
  %14 = load ptr, ptr @stderr, align 8, !tbaa !5
  %15 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef @.str, ptr noundef @.str.1, ptr noundef @.str.9) #4
  call void @exit(i32 noundef -83386157) #5
  unreachable

16:                                               ; preds = %4
  %17 = load ptr, ptr %8, align 8, !tbaa !5
  %18 = icmp eq ptr %17, null
  br i1 %18, label %19, label %22

19:                                               ; preds = %16
  %20 = load ptr, ptr @stderr, align 8, !tbaa !5
  %21 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %20, ptr noundef @.str.3, ptr noundef @.str.10, ptr noundef @.str.9) #4
  call void @exit(i32 noundef -83384987) #5
  unreachable

22:                                               ; preds = %16
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = icmp slt i32 %23, 0
  br i1 %24, label %25, label %28

25:                                               ; preds = %22
  %26 = load ptr, ptr @stderr, align 8, !tbaa !5
  %27 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %26, ptr noundef @.str.3, ptr noundef @.str.4, ptr noundef @.str.9) #4
  call void @exit(i32 noundef -83384987) #5
  unreachable

28:                                               ; preds = %22
  %29 = load i32, ptr %7, align 4, !tbaa !9
  %30 = icmp sle i32 %29, 0
  br i1 %30, label %31, label %34

31:                                               ; preds = %28
  %32 = load ptr, ptr @stderr, align 8, !tbaa !5
  %33 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %32, ptr noundef @.str.3, ptr noundef @.str.5, ptr noundef @.str.9) #4
  call void @exit(i32 noundef -83384987) #5
  unreachable

34:                                               ; preds = %28
  br label %35

35:                                               ; preds = %34
  br label %36

36:                                               ; preds = %35
  br label %37

37:                                               ; preds = %36
  %38 = load ptr, ptr @stdout, align 8, !tbaa !5
  %39 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %38, ptr noundef @.str.11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %40, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %41

41:                                               ; preds = %62, %37
  %42 = load i32, ptr %10, align 4, !tbaa !9
  %43 = load i32, ptr %6, align 4, !tbaa !9
  %44 = icmp slt i32 %42, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %65

46:                                               ; preds = %41
  %47 = load ptr, ptr %8, align 8, !tbaa !5
  %48 = load ptr, ptr %9, align 8, !tbaa !5
  %49 = load i32, ptr %10, align 4, !tbaa !9
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = mul nsw i32 %49, %50
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds i8, ptr %48, i64 %52
  call void %47(ptr noundef %53)
  %54 = load i32, ptr %10, align 4, !tbaa !9
  %55 = load i32, ptr %6, align 4, !tbaa !9
  %56 = sub nsw i32 %55, 1
  %57 = icmp ne i32 %54, %56
  br i1 %57, label %58, label %61

58:                                               ; preds = %46
  %59 = load ptr, ptr @stdout, align 8, !tbaa !5
  %60 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %59, ptr noundef @.str.12) #4
  br label %61

61:                                               ; preds = %58, %46
  br label %62

62:                                               ; preds = %61
  %63 = load i32, ptr %10, align 4, !tbaa !9
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %10, align 4, !tbaa !9
  br label %41, !llvm.loop !11

65:                                               ; preds = %45
  %66 = load ptr, ptr @stdout, align 8, !tbaa !5
  %67 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %66, ptr noundef @.str.13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { noreturn 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 #3 = { 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 }
attributes #5 = { noreturn 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [31 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [26 x i8], align 1
@stdout = external local_unnamed_addr global ptr, align 8
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @printArr(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef readonly %3) local_unnamed_addr #2 {
  %5 = icmp eq ptr %0, null
  br i1 %5, label %6, label %9

6:                                                ; preds = %4
  %7 = load ptr, ptr @stderr, align 8, !tbaa !5
  %8 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %7, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, ptr noundef nonnull @.str.9) #3
  tail call void @exit(i32 noundef -83386157) #4
  unreachable

9:                                                ; preds = %4
  %10 = icmp eq ptr %3, null
  br i1 %10, label %11, label %14

11:                                               ; preds = %9
  %12 = load ptr, ptr @stderr, align 8, !tbaa !5
  %13 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.10, ptr noundef nonnull @.str.9) #3
  tail call void @exit(i32 noundef -83384987) #4
  unreachable

14:                                               ; preds = %9
  %15 = icmp slt i32 %1, 0
  br i1 %15, label %16, label %19

16:                                               ; preds = %14
  %17 = load ptr, ptr @stderr, align 8, !tbaa !5
  %18 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %17, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.9) #3
  tail call void @exit(i32 noundef -83384987) #4
  unreachable

19:                                               ; preds = %14
  %20 = icmp slt i32 %2, 1
  br i1 %20, label %21, label %24

21:                                               ; preds = %19
  %22 = load ptr, ptr @stderr, align 8, !tbaa !5
  %23 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %22, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.5, ptr noundef nonnull @.str.9) #3
  tail call void @exit(i32 noundef -83384987) #4
  unreachable

24:                                               ; preds = %19
  %25 = load ptr, ptr @stdout, align 8, !tbaa !5
  %26 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %25, ptr noundef nonnull @.str.11) #5
  %.not18 = icmp eq i32 %1, 0
  br i1 %.not18, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %24
  %27 = add nsw i32 %1, -1
  %28 = zext nneg i32 %2 to i64
  %29 = zext nneg i32 %27 to i64
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %32

._crit_edge:                                      ; preds = %38, %24
  %30 = load ptr, ptr @stdout, align 8, !tbaa !5
  %31 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %30, ptr noundef nonnull @.str.13) #5
  ret void

32:                                               ; preds = %.lr.ph, %38
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %38 ]
  %33 = mul nuw nsw i64 %indvars.iv, %28
  %34 = getelementptr inbounds i8, ptr %0, i64 %33
  tail call void %3(ptr noundef nonnull %34) #5
  %.not = icmp eq i64 %indvars.iv, %29
  br i1 %.not, label %38, label %35

35:                                               ; preds = %32
  %36 = load ptr, ptr @stdout, align 8, !tbaa !5
  %37 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %36, ptr noundef nonnull @.str.12) #5
  br label %38

38:                                               ; preds = %32, %35
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %32, !llvm.loop !9
}

attributes #0 = { 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 #1 = { noreturn 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 = { cold nounwind }
attributes #4 = { noreturn nounwind }
attributes #5 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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