; LLVM IR from vul337/PrIntFuzz :: config/linux/firmware/carl9170fw/tools/lib (carlfw)

; 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.carlfw = type { %struct.carlfw_file, %struct.carlfw_file, %struct.list_head, i32, i32 }
%struct.carlfw_file = type { ptr, i64, ptr }
%struct.list_head = type { ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @carlfw_release(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = call i64 @IS_ERR_OR_NULL(ptr noundef %6)
  %8 = icmp ne i64 %7, 0
  br i1 %8, label %34, label %9

9:                                                ; preds = %1
  br label %10

10:                                               ; preds = %16, %9
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.carlfw, ptr %11, i32 0, i32 2
  %13 = call i32 @list_empty(ptr noundef %12)
  %14 = icmp ne i32 %13, 0
  %15 = xor i1 %14, true
  br i1 %15, label %16, label %28

16:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.carlfw, ptr %17, i32 0, i32 2
  %19 = getelementptr inbounds %struct.list_head, ptr %18, i32 0, i32 0
  %20 = load ptr, ptr %19, align 8, !tbaa !9
  store ptr %20, ptr %4, align 8, !tbaa !5
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = ptrtoint ptr %21 to i64
  %23 = sub i64 %22, 0
  %24 = inttoptr i64 %23 to ptr
  store ptr %24, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %25, ptr %3, align 8, !tbaa !5
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  call void @carlfw_entry_del(ptr noundef %26, ptr noundef %27)
  br label %10, !llvm.loop !15

28:                                               ; preds = %10
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.carlfw, ptr %29, i32 0, i32 0
  call void @__carlfw_release(ptr noundef %30)
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.carlfw, ptr %31, i32 0, i32 1
  call void @__carlfw_release(ptr noundef %32)
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %33) #4
  br label %34

34:                                               ; preds = %28, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret void
}

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

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @IS_ERR_OR_NULL(ptr noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @list_empty(ptr noundef) #2

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

; Function Attrs: nounwind uwtable
declare hidden void @carlfw_entry_del(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare hidden void @__carlfw_release(ptr noundef) #0

; Function Attrs: nounwind
declare void @free(ptr noundef) #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 = { 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 "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, !6, i64 48}
!10 = !{!"carlfw", !11, i64 0, !11, i64 24, !13, i64 48, !14, i64 64, !14, i64 68}
!11 = !{!"carlfw_file", !6, i64 0, !12, i64 8, !6, i64 16}
!12 = !{!"long", !7, i64 0}
!13 = !{!"list_head", !6, i64 0, !6, i64 8}
!14 = !{!"int", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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 @carlfw_release(ptr noundef %0) local_unnamed_addr #0 {
  %2 = tail call i64 @IS_ERR_OR_NULL(ptr noundef %0)
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %.preheader, label %8

.preheader:                                       ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 48
  %4 = tail call i32 @list_empty(ptr noundef nonnull %3)
  %.not1011 = icmp eq i32 %4, 0
  br i1 %.not1011, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  tail call void @carlfw_entry_del(ptr noundef %0, ptr noundef %5)
  %6 = tail call i32 @list_empty(ptr noundef nonnull %3)
  %.not10 = icmp eq i32 %6, 0
  br i1 %.not10, label %.lr.ph, label %._crit_edge, !llvm.loop !14

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  tail call void @__carlfw_release(ptr noundef %0)
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @__carlfw_release(ptr noundef nonnull %7)
  tail call void @free(ptr noundef %0) #3
  br label %8

8:                                                ; preds = %._crit_edge, %1
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @IS_ERR_OR_NULL(ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @list_empty(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @carlfw_entry_del(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @__carlfw_release(ptr noundef) local_unnamed_addr #0

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

!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 48}
!6 = !{!"carlfw", !7, i64 0, !7, i64 24, !12, i64 48, !13, i64 64, !13, i64 68}
!7 = !{!"carlfw_file", !8, i64 0, !11, 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}
!12 = !{!"list_head", !8, i64 0, !8, i64 8}
!13 = !{!"int", !9, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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