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

; 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 }

; Function Attrs: nounwind uwtable
declare dso_local i32 @kftp_connect(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @kftp_reconnect(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.knetFile_s, ptr %3, i32 0, i32 5
  %5 = load i32, ptr %4, align 8, !tbaa !9
  %6 = icmp ne i32 %5, -1
  br i1 %6, label %7, label %14

7:                                                ; preds = %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.knetFile_s, ptr %8, i32 0, i32 5
  %10 = load i32, ptr %9, align 8, !tbaa !9
  %11 = call i32 @close(i32 noundef %10)
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.knetFile_s, ptr %12, i32 0, i32 5
  store i32 -1, ptr %13, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %7, %1
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.knetFile_s, ptr %15, i32 0, i32 1
  %17 = load i32, ptr %16, align 4, !tbaa !13
  %18 = call i32 @close(i32 noundef %17)
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.knetFile_s, ptr %19, i32 0, i32 1
  store i32 -1, ptr %20, align 4, !tbaa !13
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = call i32 @kftp_connect(ptr noundef %21)
  ret i32 %22
}

declare i32 @close(i32 noundef) #1

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" }
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" }

!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, !11, i64 32}
!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, !11, i64 4}


; 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"

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

; Function Attrs: nounwind uwtable
define dso_local i32 @kftp_reconnect(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i32 %3, -1
  br i1 %.not, label %6, label %4

4:                                                ; preds = %1
  %5 = tail call i32 @close(i32 noundef %3) #2
  store i32 -1, ptr %2, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %4, %1
  %7 = getelementptr inbounds i8, ptr %0, i64 4
  %8 = load i32, ptr %7, align 4, !tbaa !12
  %9 = tail call i32 @close(i32 noundef %8) #2
  store i32 -1, ptr %7, align 4, !tbaa !12
  %10 = tail call i32 @kftp_connect(ptr noundef nonnull %0)
  ret i32 %10
}

declare i32 @close(i32 noundef) local_unnamed_addr #1

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" }
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 }

!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, !7, i64 32}
!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, !7, i64 4}


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