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

; 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_hash_s = type { ptr, i64, ptr, ptr, ptr, ptr, i32, i32, i8, ptr, ptr, ptr, ptr, ptr, ptr }
%struct.mln_hash_mgr_s = type { ptr, ptr }
%struct.mln_hash_entry_s = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32 }

; Function Attrs: nounwind
declare void @free(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @mln_hash_entry_free(ptr noundef nonnull, ptr noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @mln_hash_free(ptr noundef %0, i32 noundef %1) #3 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %2
  br label %75

12:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.mln_hash_s, ptr %13, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !11
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.mln_hash_s, ptr %16, i32 0, i32 1
  %18 = load i64, ptr %17, align 8, !tbaa !14
  %19 = getelementptr inbounds %struct.mln_hash_mgr_s, ptr %15, i64 %18
  store ptr %19, ptr %8, align 8, !tbaa !5
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.mln_hash_s, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !11
  store ptr %22, ptr %7, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %43, %12
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = icmp ult ptr %24, %25
  br i1 %26, label %27, label %46

27:                                               ; preds = %23
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.mln_hash_mgr_s, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %29, align 8, !tbaa !15
  store ptr %30, ptr %5, align 8, !tbaa !5
  br label %31

31:                                               ; preds = %34, %27
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = icmp ne ptr %32, null
  br i1 %33, label %34, label %42

34:                                               ; preds = %31
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %35, ptr %6, align 8, !tbaa !5
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.mln_hash_entry_s, ptr %36, i32 0, i32 1
  %38 = load ptr, ptr %37, align 8, !tbaa !17
  store ptr %38, ptr %5, align 8, !tbaa !5
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = load ptr, ptr %6, align 8, !tbaa !5
  %41 = load i32, ptr %4, align 4, !tbaa !9
  call void @mln_hash_entry_free(ptr noundef %39, ptr noundef %40, i32 noundef %41)
  br label %31, !llvm.loop !19

42:                                               ; preds = %31
  br label %43

43:                                               ; preds = %42
  %44 = load ptr, ptr %7, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.mln_hash_mgr_s, ptr %44, i32 1
  store ptr %45, ptr %7, align 8, !tbaa !5
  br label %23, !llvm.loop !21

46:                                               ; preds = %23
  %47 = load ptr, ptr %3, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.mln_hash_s, ptr %47, i32 0, i32 9
  %49 = load ptr, ptr %48, align 8, !tbaa !22
  %50 = icmp ne ptr %49, null
  br i1 %50, label %51, label %58

51:                                               ; preds = %46
  %52 = load ptr, ptr %3, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.mln_hash_s, ptr %52, i32 0, i32 11
  %54 = load ptr, ptr %53, align 8, !tbaa !23
  %55 = load ptr, ptr %3, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.mln_hash_s, ptr %55, i32 0, i32 0
  %57 = load ptr, ptr %56, align 8, !tbaa !11
  call void %54(ptr noundef %57)
  br label %62

58:                                               ; preds = %46
  %59 = load ptr, ptr %3, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.mln_hash_s, ptr %59, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8, !tbaa !11
  call void @free(ptr noundef %61) #4
  br label %62

62:                                               ; preds = %58, %51
  %63 = load ptr, ptr %3, align 8, !tbaa !5
  %64 = getelementptr inbounds %struct.mln_hash_s, ptr %63, i32 0, i32 9
  %65 = load ptr, ptr %64, align 8, !tbaa !22
  %66 = icmp ne ptr %65, null
  br i1 %66, label %67, label %72

67:                                               ; preds = %62
  %68 = load ptr, ptr %3, align 8, !tbaa !5
  %69 = getelementptr inbounds %struct.mln_hash_s, ptr %68, i32 0, i32 11
  %70 = load ptr, ptr %69, align 8, !tbaa !23
  %71 = load ptr, ptr %3, align 8, !tbaa !5
  call void %70(ptr noundef %71)
  br label %74

72:                                               ; preds = %62
  %73 = load ptr, ptr %3, align 8, !tbaa !5
  call void @free(ptr noundef %73) #4
  br label %74

74:                                               ; preds = %72, %67
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %75

75:                                               ; preds = %74, %11
  ret void
}

attributes #0 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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" }
attributes #3 = { 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 #4 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"mln_hash_s", !6, i64 0, !13, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !6, i64 104}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{!16, !6, i64 0}
!16 = !{!"mln_hash_mgr_s", !6, i64 0, !6, i64 8}
!17 = !{!18, !6, i64 8}
!18 = !{!"mln_hash_entry_s", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !10, i64 56, !10, i64 60, !10, i64 60}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}
!21 = distinct !{!21, !20}
!22 = !{!12, !6, i64 64}
!23 = !{!12, !6, i64 80}


; 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"

%struct.mln_hash_mgr_s = type { ptr, ptr }

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @mln_hash_entry_free(ptr noundef nonnull, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @mln_hash_free(ptr noundef %0, i32 noundef %1) local_unnamed_addr #2 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %29, label %4

4:                                                ; preds = %2
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = load i64, ptr %6, align 8, !tbaa !12
  %8 = getelementptr inbounds %struct.mln_hash_mgr_s, ptr %5, i64 %7
  %9 = icmp sgt i64 %7, 0
  br i1 %9, label %.lr.ph29, label %._crit_edge30

.lr.ph29:                                         ; preds = %4, %._crit_edge
  %.02127 = phi ptr [ %13, %._crit_edge ], [ %5, %4 ]
  %10 = load ptr, ptr %.02127, align 8, !tbaa !13
  %.not2425 = icmp eq ptr %10, null
  br i1 %.not2425, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph29, %.lr.ph
  %.026 = phi ptr [ %12, %.lr.ph ], [ %10, %.lr.ph29 ]
  %11 = getelementptr inbounds i8, ptr %.026, i64 8
  %12 = load ptr, ptr %11, align 8, !tbaa !15
  tail call void @mln_hash_entry_free(ptr noundef %0, ptr noundef nonnull %.026, i32 noundef %1)
  %.not24 = icmp eq ptr %12, null
  br i1 %.not24, label %._crit_edge, label %.lr.ph, !llvm.loop !17

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph29
  %13 = getelementptr inbounds i8, ptr %.02127, i64 16
  %14 = icmp ult ptr %13, %8
  br i1 %14, label %.lr.ph29, label %._crit_edge30, !llvm.loop !19

._crit_edge30:                                    ; preds = %._crit_edge, %4
  %15 = getelementptr inbounds i8, ptr %0, i64 64
  %16 = load ptr, ptr %15, align 8, !tbaa !20
  %.not = icmp eq ptr %16, null
  br i1 %.not, label %21, label %17

17:                                               ; preds = %._crit_edge30
  %18 = getelementptr inbounds i8, ptr %0, i64 80
  %19 = load ptr, ptr %18, align 8, !tbaa !21
  %20 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void %19(ptr noundef %20) #3
  br label %23

21:                                               ; preds = %._crit_edge30
  %22 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void @free(ptr noundef %22) #3
  br label %23

23:                                               ; preds = %21, %17
  %24 = load ptr, ptr %15, align 8, !tbaa !20
  %.not23 = icmp eq ptr %24, null
  br i1 %.not23, label %28, label %25

25:                                               ; preds = %23
  %26 = getelementptr inbounds i8, ptr %0, i64 80
  %27 = load ptr, ptr %26, align 8, !tbaa !21
  tail call void %27(ptr noundef nonnull %0) #3
  br label %29

28:                                               ; preds = %23
  tail call void @free(ptr noundef nonnull %0) #3
  br label %29

29:                                               ; preds = %25, %28, %2
  ret void
}

attributes #0 = { 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 #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" }
attributes #2 = { 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 #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, !7, i64 0}
!6 = !{!"mln_hash_s", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !11, i64 48, !11, i64 52, !11, i64 56, !11, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !7, i64 104}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !10, i64 8}
!13 = !{!14, !7, i64 0}
!14 = !{!"mln_hash_mgr_s", !7, i64 0, !7, i64 8}
!15 = !{!16, !7, i64 8}
!16 = !{!"mln_hash_entry_s", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !11, i64 56, !11, i64 60, !11, i64 60}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = distinct !{!19, !18}
!20 = !{!6, !7, i64 64}
!21 = !{!6, !7, i64 80}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass