; LLVM IR from Water-Melon/Melon :: src (mln_log)

; 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.mln_log_t = type { i64, i32, i32, i32, [512 x i8], [1024 x i8], [1024 x i8] }

@g_log = external dso_local global { i64, i32, i8, i8, i8, i8, i32, [512 x i8], [1024 x i8], [1024 x i8] }, align 8

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

; Function Attrs: nounwind uwtable
define dso_local void @mln_log_destroy() #1 {
  %1 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  store ptr @g_log, ptr %1, align 8, !tbaa !5
  %2 = load ptr, ptr %1, align 8, !tbaa !5
  %3 = getelementptr inbounds %struct.mln_log_t, ptr %2, i32 0, i32 1
  %4 = load i32, ptr %3, align 8, !tbaa !9
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %6, label %26

6:                                                ; preds = %0
  %7 = load ptr, ptr %1, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.mln_log_t, ptr %7, i32 0, i32 1
  %9 = load i32, ptr %8, align 8, !tbaa !9
  %10 = icmp ne i32 %9, 0
  br i1 %10, label %11, label %26

11:                                               ; preds = %6
  %12 = load ptr, ptr %1, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.mln_log_t, ptr %12, i32 0, i32 1
  %14 = load i32, ptr %13, align 8, !tbaa !9
  %15 = icmp ne i32 %14, 1
  br i1 %15, label %16, label %26

16:                                               ; preds = %11
  %17 = load ptr, ptr %1, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.mln_log_t, ptr %17, i32 0, i32 1
  %19 = load i32, ptr %18, align 8, !tbaa !9
  %20 = icmp ne i32 %19, 2
  br i1 %20, label %21, label %26

21:                                               ; preds = %16
  %22 = load ptr, ptr %1, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.mln_log_t, ptr %22, i32 0, i32 1
  %24 = load i32, ptr %23, align 8, !tbaa !9
  %25 = call i32 @close(i32 noundef %24)
  br label %26

26:                                               ; preds = %21, %16, %11, %6, %0
  %27 = load ptr, ptr %1, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.mln_log_t, ptr %27, i32 0, i32 0
  store i64 0, ptr %28, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  ret void
}

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

declare i32 @close(i32 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, !12, i64 8}
!10 = !{!"", !11, i64 0, !12, i64 8, !12, i64 12, !12, i64 12, !12, i64 12, !12, i64 16, !7, i64 20, !7, i64 532, !7, i64 1556}
!11 = !{!"long", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !11, i64 0}


; 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"

@g_log = external dso_local local_unnamed_addr global { i64, i32, i8, i8, i8, i8, i32, [512 x i8], [1024 x i8], [1024 x i8] }, align 8

; Function Attrs: nounwind uwtable
define dso_local void @mln_log_destroy() local_unnamed_addr #0 {
  %1 = load i32, ptr getelementptr inbounds (i8, ptr @g_log, i64 8), align 8, !tbaa !5
  %.fr = freeze i32 %1
  %or.cond = icmp slt i32 %.fr, 3
  br i1 %or.cond, label %4, label %2

2:                                                ; preds = %0
  %3 = tail call i32 @close(i32 noundef %.fr) #2
  br label %4

4:                                                ; preds = %0, %2
  store i64 0, ptr @g_log, align 8, !tbaa !11
  ret void
}

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, !10, i64 8}
!6 = !{!"", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 12, !10, i64 12, !10, i64 16, !8, i64 20, !8, i64 532, !8, i64 1556}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 0}


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