; LLVM IR from AbdulrahmanXSO25/mkdb_cclient :: mkdb (tcp_hex_dump)

; 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.6 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.8 = 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 uwtable
define dso_local void @tcp_hex_dump(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = call i32 (ptr, ...) @printf(ptr noundef @.str.6, ptr noundef %9, i64 noundef %10)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %12, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %32, %3
  %14 = load i64, ptr %8, align 8, !tbaa !9
  %15 = load i64, ptr %6, align 8, !tbaa !9
  %16 = icmp ult i64 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %35

18:                                               ; preds = %13
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = load i64, ptr %8, align 8, !tbaa !9
  %21 = getelementptr inbounds i8, ptr %19, i64 %20
  %22 = load i8, ptr %21, align 1, !tbaa !11
  %23 = zext i8 %22 to i32
  %24 = call i32 (ptr, ...) @printf(ptr noundef @.str.7, i32 noundef %23)
  %25 = load i64, ptr %8, align 8, !tbaa !9
  %26 = add i64 %25, 1
  %27 = urem i64 %26, 16
  %28 = icmp eq i64 %27, 0
  br i1 %28, label %29, label %31

29:                                               ; preds = %18
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  br label %31

31:                                               ; preds = %29, %18
  br label %32

32:                                               ; preds = %31
  %33 = load i64, ptr %8, align 8, !tbaa !9
  %34 = add i64 %33, 1
  store i64 %34, ptr %8, align 8, !tbaa !9
  br label %13, !llvm.loop !12

35:                                               ; preds = %17
  %36 = load i64, ptr %6, align 8, !tbaa !9
  %37 = urem i64 %36, 16
  %38 = icmp ne i64 %37, 0
  br i1 %38, label %39, label %41

39:                                               ; preds = %35
  %40 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  br label %41

41:                                               ; preds = %39, %35
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret void
}

declare i32 @printf(ptr noundef, ...) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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"

@.str.6 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nofree nounwind uwtable
define dso_local void @tcp_hex_dump(ptr noundef %0, ptr nocapture noundef readonly %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, ptr noundef %0, i64 noundef %2)
  %.not11 = icmp eq i64 %2, 0
  br i1 %.not11, label %._crit_edge.thread, label %.lr.ph

._crit_edge:                                      ; preds = %15
  %5 = and i64 %2, 15
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge.thread, label %16

.lr.ph:                                           ; preds = %3, %15
  %.010 = phi i64 [ %10, %15 ], [ 0, %3 ]
  %6 = getelementptr inbounds i8, ptr %1, i64 %.010
  %7 = load i8, ptr %6, align 1, !tbaa !5
  %8 = zext i8 %7 to i32
  %9 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7, i32 noundef %8)
  %10 = add nuw i64 %.010, 1
  %11 = and i64 %10, 15
  %12 = icmp eq i64 %11, 0
  br i1 %12, label %13, label %15

13:                                               ; preds = %.lr.ph
  %14 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  br label %15

15:                                               ; preds = %.lr.ph, %13
  %exitcond.not = icmp eq i64 %10, %2
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !8

16:                                               ; preds = %._crit_edge
  %17 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  br label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %3, %16, %._crit_edge
  ret void
}

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

attributes #0 = { nofree 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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