; LLVM IR from clangen/musikcube :: src/3rdparty/win32_src/pdcurses (panel)

; 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.panel = type { ptr, i32, i32, i32, i32, ptr, ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [91 x i8], align 1
@__PRETTY_FUNCTION__.hide_panel = external hidden unnamed_addr constant [24 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare hidden zeroext i1 @_panel_is_linked(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @hide_panel(ptr noundef %0) #1 {
  %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 = icmp ne ptr %4, null
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  br label %8

7:                                                ; preds = %1
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 471, ptr noundef @__PRETTY_FUNCTION__.hide_panel) #2
  unreachable

8:                                                ; preds = %6
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  store i32 -1, ptr %2, align 4
  br label %22

12:                                               ; preds = %8
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = call zeroext i1 @_panel_is_linked(ptr noundef %13)
  br i1 %14, label %20, label %15

15:                                               ; preds = %12
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.panel, ptr %16, i32 0, i32 6
  store ptr null, ptr %17, align 8, !tbaa !9
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.panel, ptr %18, i32 0, i32 5
  store ptr null, ptr %19, align 8, !tbaa !12
  store i32 -1, ptr %2, align 4
  br label %22

20:                                               ; preds = %12
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_panel_unlink(ptr noundef %21)
  store i32 0, ptr %2, align 4
  br label %22

22:                                               ; preds = %20, %15, %11
  %23 = load i32, ptr %2, align 4
  ret i32 %23
}

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

attributes #0 = { noreturn 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" }
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 = { noreturn 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, !6, i64 32}
!10 = !{!"panel", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 24}


; 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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [91 x i8], align 1
@__PRETTY_FUNCTION__.hide_panel = external hidden unnamed_addr constant [24 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden zeroext i1 @_panel_is_linked(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @hide_panel(ptr noundef %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %2, label %3

2:                                                ; preds = %1
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 471, ptr noundef nonnull @__PRETTY_FUNCTION__.hide_panel) #3
  unreachable

3:                                                ; preds = %1
  %4 = tail call zeroext i1 @_panel_is_linked(ptr noundef nonnull %0)
  br i1 %4, label %7, label %5

5:                                                ; preds = %3
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  br label %8

7:                                                ; preds = %3
  tail call void @_panel_unlink(ptr noundef nonnull %0)
  br label %8

8:                                                ; preds = %7, %5
  %.0 = phi i32 [ 0, %7 ], [ -1, %5 ]
  ret i32 %.0
}

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { noreturn 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" }
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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { noreturn 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)"}


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