; LLVM IR from vmware-archive/vmmfuzzer :: src/lib (iofuzzer)

; 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.iofuzzer = type { %union.pthread_mutex_t, i64, ptr, ptr, [8 x i8], ptr, ptr, ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local ptr @iofuzzer_free(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %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 eq ptr %4, null
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  store ptr null, ptr %2, align 8
  br label %27

7:                                                ; preds = %1
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.iofuzzer, ptr %8, i32 0, i32 2
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  call void @array_unref(ptr noundef %10)
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.iofuzzer, ptr %11, i32 0, i32 3
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  call void @random_unref(ptr noundef %13)
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.iofuzzer, ptr %14, i32 0, i32 5
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  call void @free(ptr noundef %16) #3
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.iofuzzer, ptr %17, i32 0, i32 6
  %19 = load ptr, ptr %18, align 8, !tbaa !14
  call void @free(ptr noundef %19) #3
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.iofuzzer, ptr %20, i32 0, i32 7
  %22 = load ptr, ptr %21, align 8, !tbaa !15
  call void @array_unref(ptr noundef %22)
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.iofuzzer, ptr %23, i32 0, i32 0
  %25 = call i32 @pthread_mutex_destroy(ptr noundef %24) #3
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  call void @free(ptr noundef %26) #3
  store ptr null, ptr %2, align 8
  br label %27

27:                                               ; preds = %7, %6
  %28 = load ptr, ptr %2, align 8
  ret ptr %28
}

declare void @array_unref(ptr noundef) #1

declare void @random_unref(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

; Function Attrs: nounwind
declare i32 @pthread_mutex_destroy(ptr noundef) #2

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 "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, !6, i64 48}
!10 = !{!"iofuzzer", !7, i64 0, !11, i64 40, !6, i64 48, !6, i64 56, !7, i64 64, !6, i64 72, !6, i64 80, !6, i64 88}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 56}
!13 = !{!10, !6, i64 72}
!14 = !{!10, !6, i64 80}
!15 = !{!10, !6, i64 88}


; 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 noalias noundef ptr @iofuzzer_free(ptr noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %15, label %3

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 48
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  tail call void @array_unref(ptr noundef %5) #4
  %6 = getelementptr inbounds i8, ptr %0, i64 56
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  tail call void @random_unref(ptr noundef %7) #4
  %8 = getelementptr inbounds i8, ptr %0, i64 72
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  tail call void @free(ptr noundef %9) #4
  %10 = getelementptr inbounds i8, ptr %0, i64 80
  %11 = load ptr, ptr %10, align 8, !tbaa !13
  tail call void @free(ptr noundef %11) #4
  %12 = getelementptr inbounds i8, ptr %0, i64 88
  %13 = load ptr, ptr %12, align 8, !tbaa !14
  tail call void @array_unref(ptr noundef %13) #4
  %14 = tail call i32 @pthread_mutex_destroy(ptr noundef nonnull %0) #4
  tail call void @free(ptr noundef nonnull %0) #4
  br label %15

15:                                               ; preds = %1, %3
  ret ptr null
}

declare void @array_unref(ptr noundef) local_unnamed_addr #1

declare void @random_unref(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @pthread_mutex_destroy(ptr noundef) local_unnamed_addr #3

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 = { 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 #3 = { 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 #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, !10, i64 48}
!6 = !{!"iofuzzer", !7, i64 0, !9, i64 40, !10, i64 48, !10, i64 56, !7, i64 64, !10, i64 72, !10, i64 80, !10, i64 88}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"long", !7, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!6, !10, i64 56}
!12 = !{!6, !10, i64 72}
!13 = !{!6, !10, i64 80}
!14 = !{!6, !10, i64 88}


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