; LLVM IR from attractivechaos/klib :: knetfile (kftp_connect)

; 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"

%struct.knetFile_s = type { i32, i32, i64, ptr, ptr, i32, [4 x i32], i32, i32, i32, i32, ptr, ptr, ptr, i64, i64, ptr, ptr }

@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @kftp_connect(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.knetFile_s, ptr %4, i32 0, i32 3
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.knetFile_s, ptr %7, i32 0, i32 4
  %9 = load ptr, ptr %8, align 8, !tbaa !13
  %10 = call i32 @socket_connect(ptr noundef %6, ptr noundef %9)
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.knetFile_s, ptr %11, i32 0, i32 5
  store i32 %10, ptr %12, align 8, !tbaa !14
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.knetFile_s, ptr %13, i32 0, i32 5
  %15 = load i32, ptr %14, align 8, !tbaa !14
  %16 = icmp eq i32 %15, -1
  br i1 %16, label %17, label %18

17:                                               ; preds = %1
  store i32 -1, ptr %2, align 4
  br label %27

18:                                               ; preds = %1
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = call i32 @kftp_get_response(ptr noundef %19)
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = call i32 @kftp_send_cmd(ptr noundef %21, ptr noundef @.str, i32 noundef 1)
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = call i32 @kftp_send_cmd(ptr noundef %23, ptr noundef @.str.1, i32 noundef 1)
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = call i32 @kftp_send_cmd(ptr noundef %25, ptr noundef @.str.2, i32 noundef 1)
  store i32 0, ptr %2, align 4
  br label %27

27:                                               ; preds = %18, %17
  %28 = load i32, ptr %2, align 4
  ret i32 %28
}

; Function Attrs: nounwind uwtable
declare hidden i32 @socket_connect(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare hidden i32 @kftp_get_response(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare hidden i32 @kftp_send_cmd(ptr noundef, ptr noundef, i32 noundef) #0

attributes #0 = { 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" }

!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, !6, i64 16}
!10 = !{!"knetFile_s", !11, i64 0, !11, i64 4, !12, i64 8, !6, i64 16, !6, i64 24, !11, i64 32, !7, i64 36, !11, i64 52, !11, i64 56, !11, i64 60, !11, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !12, i64 96, !12, i64 104, !6, i64 112, !6, i64 120}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !6, i64 24}
!14 = !{!10, !11, i64 32}


; 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 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @kftp_connect(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load ptr, ptr %4, align 8, !tbaa !12
  %6 = tail call i32 @socket_connect(ptr noundef %3, ptr noundef %5)
  %7 = getelementptr inbounds i8, ptr %0, i64 32
  store i32 %6, ptr %7, align 8, !tbaa !13
  %8 = icmp eq i32 %6, -1
  br i1 %8, label %14, label %9

9:                                                ; preds = %1
  %10 = tail call i32 @kftp_get_response(ptr noundef nonnull %0)
  %11 = tail call i32 @kftp_send_cmd(ptr noundef nonnull %0, ptr noundef nonnull @.str, i32 noundef 1)
  %12 = tail call i32 @kftp_send_cmd(ptr noundef nonnull %0, ptr noundef nonnull @.str.1, i32 noundef 1)
  %13 = tail call i32 @kftp_send_cmd(ptr noundef nonnull %0, ptr noundef nonnull @.str.2, i32 noundef 1)
  br label %14

14:                                               ; preds = %1, %9
  %.0 = phi i32 [ 0, %9 ], [ -1, %1 ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare hidden i32 @socket_connect(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @kftp_get_response(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @kftp_send_cmd(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

attributes #0 = { 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" }

!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, !11, i64 16}
!6 = !{!"knetFile_s", !7, i64 0, !7, i64 4, !10, i64 8, !11, i64 16, !11, i64 24, !7, i64 32, !8, i64 36, !7, i64 52, !7, i64 56, !7, i64 60, !7, i64 64, !11, i64 72, !11, i64 80, !11, i64 88, !10, i64 96, !10, i64 104, !11, i64 112, !11, i64 120}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!6, !11, i64 24}
!13 = !{!6, !7, i64 32}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass