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

; 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_fheap_t = type { ptr, ptr, ptr, ptr, ptr, i64, ptr, ptr, ptr, ptr }
%struct.mln_fheap_node_s = type { ptr, ptr, ptr, ptr, ptr, i64, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @mln_fheap_node_free(ptr noundef nonnull %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %2
  br label %44

8:                                                ; preds = %2
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.mln_fheap_t, ptr %9, i32 0, i32 4
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %25

13:                                               ; preds = %8
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.mln_fheap_node_s, ptr %14, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %25

18:                                               ; preds = %13
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.mln_fheap_t, ptr %19, i32 0, i32 4
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.mln_fheap_node_s, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !12
  call void %21(ptr noundef %24)
  br label %25

25:                                               ; preds = %18, %13, %8
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.mln_fheap_node_s, ptr %26, i32 0, i32 6
  %28 = load i32, ptr %27, align 8
  %29 = and i32 %28, 1
  %30 = icmp ne i32 %29, 0
  br i1 %30, label %44, label %31

31:                                               ; preds = %25
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.mln_fheap_t, ptr %32, i32 0, i32 7
  %34 = load ptr, ptr %33, align 8, !tbaa !15
  %35 = icmp ne ptr %34, null
  br i1 %35, label %36, label %41

36:                                               ; preds = %31
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.mln_fheap_t, ptr %37, i32 0, i32 9
  %39 = load ptr, ptr %38, align 8, !tbaa !16
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  call void %39(ptr noundef %40)
  br label %43

41:                                               ; preds = %31
  %42 = load ptr, ptr %4, align 8, !tbaa !5
  call void @free(ptr noundef %42) #2
  br label %43

43:                                               ; preds = %41, %36
  br label %44

44:                                               ; preds = %43, %25, %7
  ret void
}

; Function Attrs: nounwind
declare void @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 = { 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 #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, !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 = !{!"", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !11, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !6, i64 0}
!13 = !{!"mln_fheap_node_s", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !11, i64 40, !14, i64 48, !14, i64 48}
!14 = !{!"int", !7, i64 0}
!15 = !{!10, !6, i64 56}
!16 = !{!10, !6, i64 72}


; 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 @mln_fheap_node_free(ptr nocapture noundef nonnull readonly %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %1, null
  br i1 %3, label %21, label %4

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %10, label %7

7:                                                ; preds = %4
  %8 = load ptr, ptr %1, align 8, !tbaa !11
  %.not12 = icmp eq ptr %8, null
  br i1 %.not12, label %10, label %9

9:                                                ; preds = %7
  tail call void %6(ptr noundef nonnull %8) #2
  br label %10

10:                                               ; preds = %9, %7, %4
  %11 = getelementptr inbounds i8, ptr %1, i64 48
  %12 = load i32, ptr %11, align 8
  %13 = and i32 %12, 1
  %.not13 = icmp eq i32 %13, 0
  br i1 %.not13, label %14, label %21

14:                                               ; preds = %10
  %15 = getelementptr inbounds i8, ptr %0, i64 56
  %16 = load ptr, ptr %15, align 8, !tbaa !14
  %.not14 = icmp eq ptr %16, null
  br i1 %.not14, label %20, label %17

17:                                               ; preds = %14
  %18 = getelementptr inbounds i8, ptr %0, i64 72
  %19 = load ptr, ptr %18, align 8, !tbaa !15
  tail call void %19(ptr noundef nonnull %1) #2
  br label %21

20:                                               ; preds = %14
  tail call void @free(ptr noundef nonnull %1) #2
  br label %21

21:                                               ; preds = %17, %20, %2, %10
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture 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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = !{!"", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !10, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!12, !7, i64 0}
!12 = !{!"mln_fheap_node_s", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !10, i64 40, !13, i64 48, !13, i64 48}
!13 = !{!"int", !8, i64 0}
!14 = !{!6, !7, i64 56}
!15 = !{!6, !7, i64 72}


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