; LLVM IR from openappsec/openappsec :: external/yajl/src (yajl)

; 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.yajl_alloc_funcs = type { ptr, ptr, ptr, ptr }
%struct.yajl_handle_t = type { ptr, ptr, ptr, ptr, i64, ptr, %struct.yajl_bytestack_t, %struct.yajl_alloc_funcs, i32 }
%struct.yajl_bytestack_t = type { ptr, i64, i64, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @yajl_alloc(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %struct.yajl_alloc_funcs, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store ptr null, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #4
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %30

13:                                               ; preds = %3
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.yajl_alloc_funcs, ptr %14, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = icmp eq ptr %16, null
  br i1 %17, label %28, label %18

18:                                               ; preds = %13
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.yajl_alloc_funcs, ptr %19, i32 0, i32 1
  %21 = load ptr, ptr %20, align 8, !tbaa !11
  %22 = icmp eq ptr %21, null
  br i1 %22, label %28, label %23

23:                                               ; preds = %18
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.yajl_alloc_funcs, ptr %24, i32 0, i32 2
  %26 = load ptr, ptr %25, align 8, !tbaa !12
  %27 = icmp eq ptr %26, null
  br i1 %27, label %28, label %29

28:                                               ; preds = %23, %18, %13
  store ptr null, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %125

29:                                               ; preds = %23
  br label %31

30:                                               ; preds = %3
  call void @yajl_set_default_alloc_funcs(ptr noundef %9)
  store ptr %9, ptr %6, align 8, !tbaa !5
  br label %31

31:                                               ; preds = %30, %29
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.yajl_alloc_funcs, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !9
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.yajl_alloc_funcs, ptr %35, i32 0, i32 3
  %37 = load ptr, ptr %36, align 8, !tbaa !13
  %38 = call ptr %34(ptr noundef %37, i64 noundef 120)
  store ptr %38, ptr %8, align 8, !tbaa !5
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.yajl_handle_t, ptr %39, i32 0, i32 7
  %41 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %40, ptr align 1 %41, i64 32, i1 false)
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  %43 = load ptr, ptr %8, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.yajl_handle_t, ptr %43, i32 0, i32 0
  store ptr %42, ptr %44, align 8, !tbaa !14
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = load ptr, ptr %8, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.yajl_handle_t, ptr %46, i32 0, i32 1
  store ptr %45, ptr %47, align 8, !tbaa !19
  %48 = load ptr, ptr %8, align 8, !tbaa !5
  %49 = getelementptr inbounds %struct.yajl_handle_t, ptr %48, i32 0, i32 2
  store ptr null, ptr %49, align 8, !tbaa !20
  %50 = load ptr, ptr %8, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.yajl_handle_t, ptr %50, i32 0, i32 4
  store i64 0, ptr %51, align 8, !tbaa !21
  %52 = load ptr, ptr %8, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.yajl_handle_t, ptr %52, i32 0, i32 7
  %54 = call ptr @yajl_buf_alloc(ptr noundef %53)
  %55 = load ptr, ptr %8, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.yajl_handle_t, ptr %55, i32 0, i32 5
  store ptr %54, ptr %56, align 8, !tbaa !22
  %57 = load ptr, ptr %8, align 8, !tbaa !5
  %58 = getelementptr inbounds %struct.yajl_handle_t, ptr %57, i32 0, i32 8
  store i32 0, ptr %58, align 8, !tbaa !23
  %59 = load ptr, ptr %8, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.yajl_handle_t, ptr %59, i32 0, i32 6
  %61 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %60, i32 0, i32 0
  store ptr null, ptr %61, align 8, !tbaa !24
  %62 = load ptr, ptr %8, align 8, !tbaa !5
  %63 = getelementptr inbounds %struct.yajl_handle_t, ptr %62, i32 0, i32 6
  %64 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %63, i32 0, i32 1
  store i64 0, ptr %64, align 8, !tbaa !25
  %65 = load ptr, ptr %8, align 8, !tbaa !5
  %66 = getelementptr inbounds %struct.yajl_handle_t, ptr %65, i32 0, i32 6
  %67 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %66, i32 0, i32 2
  store i64 0, ptr %67, align 8, !tbaa !26
  %68 = load ptr, ptr %8, align 8, !tbaa !5
  %69 = getelementptr inbounds %struct.yajl_handle_t, ptr %68, i32 0, i32 7
  %70 = load ptr, ptr %8, align 8, !tbaa !5
  %71 = getelementptr inbounds %struct.yajl_handle_t, ptr %70, i32 0, i32 6
  %72 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %71, i32 0, i32 3
  store ptr %69, ptr %72, align 8, !tbaa !27
  %73 = load ptr, ptr %8, align 8, !tbaa !5
  %74 = getelementptr inbounds %struct.yajl_handle_t, ptr %73, i32 0, i32 6
  %75 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %74, i32 0, i32 1
  %76 = load i64, ptr %75, align 8, !tbaa !25
  %77 = load ptr, ptr %8, align 8, !tbaa !5
  %78 = getelementptr inbounds %struct.yajl_handle_t, ptr %77, i32 0, i32 6
  %79 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %78, i32 0, i32 2
  %80 = load i64, ptr %79, align 8, !tbaa !26
  %81 = sub i64 %76, %80
  %82 = icmp eq i64 %81, 0
  br i1 %82, label %83, label %113

83:                                               ; preds = %31
  %84 = load ptr, ptr %8, align 8, !tbaa !5
  %85 = getelementptr inbounds %struct.yajl_handle_t, ptr %84, i32 0, i32 6
  %86 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %85, i32 0, i32 1
  %87 = load i64, ptr %86, align 8, !tbaa !25
  %88 = add i64 %87, 128
  store i64 %88, ptr %86, align 8, !tbaa !25
  %89 = load ptr, ptr %8, align 8, !tbaa !5
  %90 = getelementptr inbounds %struct.yajl_handle_t, ptr %89, i32 0, i32 6
  %91 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %90, i32 0, i32 3
  %92 = load ptr, ptr %91, align 8, !tbaa !27
  %93 = getelementptr inbounds %struct.yajl_alloc_funcs, ptr %92, i32 0, i32 1
  %94 = load ptr, ptr %93, align 8, !tbaa !11
  %95 = load ptr, ptr %8, align 8, !tbaa !5
  %96 = getelementptr inbounds %struct.yajl_handle_t, ptr %95, i32 0, i32 6
  %97 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %96, i32 0, i32 3
  %98 = load ptr, ptr %97, align 8, !tbaa !27
  %99 = getelementptr inbounds %struct.yajl_alloc_funcs, ptr %98, i32 0, i32 3
  %100 = load ptr, ptr %99, align 8, !tbaa !13
  %101 = load ptr, ptr %8, align 8, !tbaa !5
  %102 = getelementptr inbounds %struct.yajl_handle_t, ptr %101, i32 0, i32 6
  %103 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %102, i32 0, i32 0
  %104 = load ptr, ptr %103, align 8, !tbaa !24
  %105 = load ptr, ptr %8, align 8, !tbaa !5
  %106 = getelementptr inbounds %struct.yajl_handle_t, ptr %105, i32 0, i32 6
  %107 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %106, i32 0, i32 1
  %108 = load i64, ptr %107, align 8, !tbaa !25
  %109 = call ptr %94(ptr noundef %100, ptr noundef %104, i64 noundef %108)
  %110 = load ptr, ptr %8, align 8, !tbaa !5
  %111 = getelementptr inbounds %struct.yajl_handle_t, ptr %110, i32 0, i32 6
  %112 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %111, i32 0, i32 0
  store ptr %109, ptr %112, align 8, !tbaa !24
  br label %113

113:                                              ; preds = %83, %31
  %114 = load ptr, ptr %8, align 8, !tbaa !5
  %115 = getelementptr inbounds %struct.yajl_handle_t, ptr %114, i32 0, i32 6
  %116 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %115, i32 0, i32 0
  %117 = load ptr, ptr %116, align 8, !tbaa !24
  %118 = load ptr, ptr %8, align 8, !tbaa !5
  %119 = getelementptr inbounds %struct.yajl_handle_t, ptr %118, i32 0, i32 6
  %120 = getelementptr inbounds %struct.yajl_bytestack_t, ptr %119, i32 0, i32 2
  %121 = load i64, ptr %120, align 8, !tbaa !26
  %122 = add i64 %121, 1
  store i64 %122, ptr %120, align 8, !tbaa !26
  %123 = getelementptr inbounds i8, ptr %117, i64 %121
  store i8 0, ptr %123, align 1, !tbaa !28
  %124 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %124, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %125

125:                                              ; preds = %113, %28
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %126 = load ptr, ptr %4, align 8
  ret ptr %126
}

declare void @yajl_set_default_alloc_funcs(ptr noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

declare ptr @yajl_buf_alloc(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 0}
!10 = !{!"", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!11 = !{!10, !6, i64 8}
!12 = !{!10, !6, i64 16}
!13 = !{!10, !6, i64 24}
!14 = !{!15, !6, i64 0}
!15 = !{!"yajl_handle_t", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !16, i64 32, !6, i64 40, !17, i64 48, !10, i64 80, !18, i64 112}
!16 = !{!"long", !7, i64 0}
!17 = !{!"yajl_bytestack_t", !6, i64 0, !16, i64 8, !16, i64 16, !6, i64 24}
!18 = !{!"int", !7, i64 0}
!19 = !{!15, !6, i64 8}
!20 = !{!15, !6, i64 16}
!21 = !{!15, !16, i64 32}
!22 = !{!15, !6, i64 40}
!23 = !{!15, !18, i64 112}
!24 = !{!15, !6, i64 48}
!25 = !{!15, !16, i64 56}
!26 = !{!15, !16, i64 64}
!27 = !{!15, !6, i64 72}
!28 = !{!7, !7, i64 0}


; 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.yajl_alloc_funcs = type { ptr, ptr, ptr, ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @yajl_alloc(ptr noundef %0, ptr noundef readonly %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = alloca %struct.yajl_alloc_funcs, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #5
  %.not = icmp eq ptr %1, null
  %.034.sroa.gep37 = getelementptr inbounds i8, ptr %1, i64 24
  br i1 %.not, label %16, label %5

5:                                                ; preds = %3
  %6 = load ptr, ptr %1, align 8, !tbaa !5
  %7 = icmp eq ptr %6, null
  br i1 %7, label %40, label %8

8:                                                ; preds = %5
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !10
  %11 = icmp eq ptr %10, null
  br i1 %11, label %40, label %12

12:                                               ; preds = %8
  %13 = getelementptr inbounds i8, ptr %1, i64 16
  %14 = load ptr, ptr %13, align 8, !tbaa !11
  %15 = icmp eq ptr %14, null
  br i1 %15, label %40, label %17

16:                                               ; preds = %3
  %.034.sroa.gep38 = getelementptr inbounds i8, ptr %4, i64 24
  call void @yajl_set_default_alloc_funcs(ptr noundef nonnull %4) #5
  %.pre = load ptr, ptr %4, align 8, !tbaa !5
  br label %17

17:                                               ; preds = %12, %16
  %18 = phi ptr [ %6, %12 ], [ %.pre, %16 ]
  %.034.sroa.phi36 = phi ptr [ %.034.sroa.gep37, %12 ], [ %.034.sroa.gep38, %16 ]
  %.034 = phi ptr [ %1, %12 ], [ %4, %16 ]
  %19 = load ptr, ptr %.034.sroa.phi36, align 8, !tbaa !12
  %20 = call ptr %18(ptr noundef %19, i64 noundef 120) #5
  %21 = getelementptr inbounds i8, ptr %20, i64 80
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %21, ptr noundef nonnull align 1 dereferenceable(32) %.034, i64 32, i1 false)
  store ptr %0, ptr %20, align 8, !tbaa !13
  %22 = getelementptr inbounds i8, ptr %20, i64 8
  store ptr %2, ptr %22, align 8, !tbaa !18
  %23 = getelementptr inbounds i8, ptr %20, i64 16
  store ptr null, ptr %23, align 8, !tbaa !19
  %24 = getelementptr inbounds i8, ptr %20, i64 32
  store i64 0, ptr %24, align 8, !tbaa !20
  %25 = call ptr @yajl_buf_alloc(ptr noundef nonnull %21) #5
  %26 = getelementptr inbounds i8, ptr %20, i64 40
  store ptr %25, ptr %26, align 8, !tbaa !21
  %27 = getelementptr inbounds i8, ptr %20, i64 112
  store i32 0, ptr %27, align 8, !tbaa !22
  %28 = getelementptr inbounds i8, ptr %20, i64 48
  %29 = getelementptr inbounds i8, ptr %20, i64 56
  %30 = getelementptr inbounds i8, ptr %20, i64 64
  %31 = getelementptr inbounds i8, ptr %20, i64 72
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %28, i8 0, i64 24, i1 false)
  store ptr %21, ptr %31, align 8, !tbaa !23
  store i64 128, ptr %29, align 8, !tbaa !24
  %32 = getelementptr inbounds i8, ptr %20, i64 88
  %33 = load ptr, ptr %32, align 8, !tbaa !10
  %34 = getelementptr inbounds i8, ptr %20, i64 104
  %35 = load ptr, ptr %34, align 8, !tbaa !12
  %36 = call ptr %33(ptr noundef %35, ptr noundef null, i64 noundef 128) #5
  store ptr %36, ptr %28, align 8, !tbaa !25
  %37 = load i64, ptr %30, align 8, !tbaa !26
  %38 = add i64 %37, 1
  store i64 %38, ptr %30, align 8, !tbaa !26
  %39 = getelementptr inbounds i8, ptr %36, i64 %37
  store i8 0, ptr %39, align 1, !tbaa !27
  br label %40

40:                                               ; preds = %5, %8, %12, %17
  %.0 = phi ptr [ %20, %17 ], [ null, %12 ], [ null, %8 ], [ null, %5 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  ret ptr %.0
}

declare void @yajl_set_default_alloc_funcs(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

declare ptr @yajl_buf_alloc(ptr noundef) local_unnamed_addr #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { 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 = !{!"", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!6, !7, i64 16}
!12 = !{!6, !7, i64 24}
!13 = !{!14, !7, i64 0}
!14 = !{!"yajl_handle_t", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !15, i64 32, !7, i64 40, !16, i64 48, !6, i64 80, !17, i64 112}
!15 = !{!"long", !8, i64 0}
!16 = !{!"yajl_bytestack_t", !7, i64 0, !15, i64 8, !15, i64 16, !7, i64 24}
!17 = !{!"int", !8, i64 0}
!18 = !{!14, !7, i64 8}
!19 = !{!14, !7, i64 16}
!20 = !{!14, !15, i64 32}
!21 = !{!14, !7, i64 40}
!22 = !{!14, !17, i64 112}
!23 = !{!14, !7, i64 72}
!24 = !{!14, !15, i64 56}
!25 = !{!14, !7, i64 48}
!26 = !{!14, !15, i64 64}
!27 = !{!8, !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass