; LLVM IR from pmwkaa/monotone :: monotone/engine/wal (wal_cursor)

; 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.WalCursor = type { %struct.Buf, ptr, i64, ptr }
%struct.Buf = type { ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @wal_cursor_close(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.WalCursor, ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %16

7:                                                ; preds = %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.WalCursor, ptr %8, i32 0, i32 1
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  call void @wal_file_close(ptr noundef %10)
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.WalCursor, ptr %11, i32 0, i32 1
  %13 = load ptr, ptr %12, align 8, !tbaa !9
  call void @wal_file_free(ptr noundef %13)
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.WalCursor, ptr %14, i32 0, i32 1
  store ptr null, ptr %15, align 8, !tbaa !9
  br label %16

16:                                               ; preds = %7, %1
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.WalCursor, ptr %17, i32 0, i32 0
  call void @buf_free(ptr noundef %18)
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @wal_file_close(ptr noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @wal_file_free(ptr noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @buf_free(ptr 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 = { inlinehint 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 24}
!10 = !{!"WalCursor", !11, i64 0, !6, i64 24, !12, i64 32, !6, i64 40}
!11 = !{!"Buf", !6, i64 0, !6, i64 8, !6, i64 16}
!12 = !{!"long", !7, 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"

; Function Attrs: nounwind uwtable
define dso_local void @wal_cursor_close(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %6, label %4

4:                                                ; preds = %1
  tail call void @wal_file_close(ptr noundef nonnull %3)
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  tail call void @wal_file_free(ptr noundef %5)
  store ptr null, ptr %2, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %4, %1
  tail call void @buf_free(ptr noundef nonnull %0)
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @wal_file_close(ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @wal_file_free(ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @buf_free(ptr 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 = { inlinehint 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, !8, i64 24}
!6 = !{!"WalCursor", !7, i64 0, !8, i64 24, !11, i64 32, !8, i64 40}
!7 = !{!"Buf", !8, i64 0, !8, i64 8, !8, i64 16}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"long", !9, i64 0}


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