; LLVM IR from vczh/herodb :: Kernel/Source (Vlpp)

; 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"

%"class.vl::Ptr.608" = type { ptr, ptr, ptr, ptr }
%"class.vl::ObjectString" = type { %"class.vl::Object", ptr, ptr, i64, i64, i64 }
%"class.vl::Object" = type { ptr }
%"class.vl::Ptr.46" = type { ptr, ptr, ptr, 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl12ObjectStringIwED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl12ObjectStringIwEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN2vl11collections4ListINS_12ObjectStringIwEES3_E3AddERKS3_(ptr noundef nonnull align 8 dereferenceable(33), ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing15ParsingTreeNodeEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl7parsing11definitions7SetNameERNS_12ObjectStringIwEENS_3PtrINS0_15ParsingTreeNodeEEE(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl7parsing11definitions8SetArrayERNS_11collections4ListINS_12ObjectStringIwEES5_EENS_3PtrINS0_15ParsingTreeNodeEEE(ptr noundef nonnull align 8 dereferenceable(33) %0, ptr noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.vl::Ptr.608", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca %"class.vl::ObjectString", align 8
  %10 = alloca %"class.vl::Ptr.46", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #3
  call void @_ZNK2vl3PtrINS_7parsing15ParsingTreeNodeEE4CastINS1_16ParsingTreeArrayEEENS0_IT_EEv(ptr dead_on_unwind writable sret(%"class.vl::Ptr.608") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %11 = invoke noundef zeroext i1 @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %12 unwind label %22

12:                                               ; preds = %2
  br i1 %11, label %13, label %59

13:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %14

14:                                               ; preds = %40, %13
  %15 = load i64, ptr %8, align 8, !tbaa !9
  %16 = invoke noundef ptr @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEptEv(ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %17 unwind label %26

17:                                               ; preds = %14
  %18 = invoke noundef i64 @_ZN2vl7parsing16ParsingTreeArray5CountEv(ptr noundef nonnull align 8 dereferenceable(232) %16)
          to label %19 unwind label %26

19:                                               ; preds = %17
  %20 = icmp slt i64 %15, %18
  br i1 %20, label %30, label %21

21:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %58

22:                                               ; preds = %2
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %6, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %7, align 4
  br label %60

26:                                               ; preds = %17, %14
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %6, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %7, align 4
  br label %57

30:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 48, ptr %9) #3
  invoke void @_ZN2vl12ObjectStringIwEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %9)
          to label %31 unwind label %43

31:                                               ; preds = %30
  %32 = invoke noundef ptr @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEptEv(ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %33 unwind label %47

33:                                               ; preds = %31
  %34 = load i64, ptr %8, align 8, !tbaa !9
  invoke void @_ZN2vl7parsing16ParsingTreeArray7GetItemEl(ptr dead_on_unwind writable sret(%"class.vl::Ptr.46") align 8 %10, ptr noundef nonnull align 8 dereferenceable(232) %32, i64 noundef %34)
          to label %35 unwind label %47

35:                                               ; preds = %33
  invoke void @_ZN2vl7parsing11definitions7SetNameERNS_12ObjectStringIwEENS_3PtrINS0_15ParsingTreeNodeEEE(ptr noundef nonnull align 8 dereferenceable(48) %9, ptr noundef %10)
          to label %36 unwind label %51

36:                                               ; preds = %35
  call void @_ZN2vl3PtrINS_7parsing15ParsingTreeNodeEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #3
  %37 = load ptr, ptr %3, align 8, !tbaa !5
  %38 = invoke noundef i64 @_ZN2vl11collections4ListINS_12ObjectStringIwEES3_E3AddERKS3_(ptr noundef nonnull align 8 dereferenceable(33) %37, ptr noundef nonnull align 8 dereferenceable(48) %9)
          to label %39 unwind label %47

39:                                               ; preds = %36
  call void @_ZN2vl12ObjectStringIwED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %9) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr %9) #3
  br label %40

40:                                               ; preds = %39
  %41 = load i64, ptr %8, align 8, !tbaa !9
  %42 = add nsw i64 %41, 1
  store i64 %42, ptr %8, align 8, !tbaa !9
  br label %14, !llvm.loop !11

43:                                               ; preds = %30
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %6, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %7, align 4
  br label %56

47:                                               ; preds = %36, %33, %31
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %6, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %7, align 4
  br label %55

51:                                               ; preds = %35
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %6, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %7, align 4
  call void @_ZN2vl3PtrINS_7parsing15ParsingTreeNodeEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #3
  br label %55

55:                                               ; preds = %51, %47
  call void @_ZN2vl12ObjectStringIwED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %9) #3
  br label %56

56:                                               ; preds = %55, %43
  call void @llvm.lifetime.end.p0(i64 48, ptr %9) #3
  br label %57

57:                                               ; preds = %56, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %60

58:                                               ; preds = %21
  br label %59

59:                                               ; preds = %58, %12
  call void @_ZN2vl3PtrINS_7parsing16ParsingTreeArrayEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #3
  ret void

60:                                               ; preds = %57, %22
  call void @_ZN2vl3PtrINS_7parsing16ParsingTreeArrayEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #3
  br label %61

61:                                               ; preds = %60
  %62 = load ptr, ptr %6, align 8
  %63 = load i32, ptr %7, align 4
  %64 = insertvalue { ptr, i32 } poison, ptr %62, 0
  %65 = insertvalue { ptr, i32 } %64, i32 %63, 1
  resume { ptr, i32 } %65
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK2vl3PtrINS_7parsing15ParsingTreeNodeEE4CastINS1_16ParsingTreeArrayEEENS0_IT_EEv(ptr dead_on_unwind noalias writable sret(%"class.vl::Ptr.608") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEptEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN2vl7parsing16ParsingTreeArray5CountEv(ptr noundef nonnull align 8 dereferenceable(232)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl7parsing16ParsingTreeArray7GetItemEl(ptr dead_on_unwind noalias writable sret(%"class.vl::Ptr.46") align 8, ptr noundef nonnull align 8 dereferenceable(232), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing16ParsingTreeArrayEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

%"class.vl::Ptr.608" = type { ptr, ptr, ptr, ptr }
%"class.vl::ObjectString" = type { %"class.vl::Object", ptr, ptr, i64, i64, i64 }
%"class.vl::Object" = type { ptr }
%"class.vl::Ptr.46" = 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl12ObjectStringIwED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl12ObjectStringIwEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN2vl11collections4ListINS_12ObjectStringIwEES3_E3AddERKS3_(ptr noundef nonnull align 8 dereferenceable(33), ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing15ParsingTreeNodeEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl7parsing11definitions7SetNameERNS_12ObjectStringIwEENS_3PtrINS0_15ParsingTreeNodeEEE(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN2vl7parsing11definitions8SetArrayERNS_11collections4ListINS_12ObjectStringIwEES5_EENS_3PtrINS0_15ParsingTreeNodeEEE(ptr noundef nonnull align 8 dereferenceable(33) %0, ptr noundef nonnull %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.vl::Ptr.608", align 8
  %4 = alloca %"class.vl::ObjectString", align 8
  %5 = alloca %"class.vl::Ptr.46", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #3
  call void @_ZNK2vl3PtrINS_7parsing15ParsingTreeNodeEE4CastINS1_16ParsingTreeArrayEEENS0_IT_EEv(ptr dead_on_unwind nonnull writable sret(%"class.vl::Ptr.608") align 8 %3, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %6 = call noundef zeroext i1 @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32) %3)
  br i1 %6, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %2, %18
  %.0 = phi i64 [ %19, %18 ], [ 0, %2 ]
  %7 = call noundef ptr @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEptEv(ptr noundef nonnull align 8 dereferenceable(32) %3)
  %8 = invoke noundef i64 @_ZN2vl7parsing16ParsingTreeArray5CountEv(ptr noundef nonnull align 8 dereferenceable(232) %7)
          to label %9 unwind label %11

9:                                                ; preds = %.preheader
  %10 = icmp slt i64 %.0, %8
  br i1 %10, label %13, label %.loopexit

11:                                               ; preds = %.preheader
  %12 = landingpad { ptr, i32 }
          cleanup
  br label %25

13:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %4) #3
  call void @_ZN2vl12ObjectStringIwEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4)
  %14 = call noundef ptr @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEptEv(ptr noundef nonnull align 8 dereferenceable(32) %3)
  invoke void @_ZN2vl7parsing16ParsingTreeArray7GetItemEl(ptr dead_on_unwind nonnull writable sret(%"class.vl::Ptr.46") align 8 %5, ptr noundef nonnull align 8 dereferenceable(232) %14, i64 noundef %.0)
          to label %15 unwind label %20

15:                                               ; preds = %13
  invoke void @_ZN2vl7parsing11definitions7SetNameERNS_12ObjectStringIwEENS_3PtrINS0_15ParsingTreeNodeEEE(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull %5)
          to label %16 unwind label %22

16:                                               ; preds = %15
  call void @_ZN2vl3PtrINS_7parsing15ParsingTreeNodeEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  %17 = invoke noundef i64 @_ZN2vl11collections4ListINS_12ObjectStringIwEES3_E3AddERKS3_(ptr noundef nonnull align 8 dereferenceable(33) %0, ptr noundef nonnull align 8 dereferenceable(48) %4)
          to label %18 unwind label %20

18:                                               ; preds = %16
  call void @_ZN2vl12ObjectStringIwED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #3
  %19 = add nuw nsw i64 %.0, 1
  br label %.preheader, !llvm.loop !5

20:                                               ; preds = %16, %13
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %24

22:                                               ; preds = %15
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN2vl3PtrINS_7parsing15ParsingTreeNodeEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #3
  br label %24

24:                                               ; preds = %22, %20
  %.pn = phi { ptr, i32 } [ %21, %20 ], [ %23, %22 ]
  call void @_ZN2vl12ObjectStringIwED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #3
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #3
  br label %25

25:                                               ; preds = %24, %11
  %.pn.pn = phi { ptr, i32 } [ %.pn, %24 ], [ %12, %11 ]
  call void @_ZN2vl3PtrINS_7parsing16ParsingTreeArrayEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  resume { ptr, i32 } %.pn.pn

.loopexit:                                        ; preds = %9, %2
  call void @_ZN2vl3PtrINS_7parsing16ParsingTreeArrayEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK2vl3PtrINS_7parsing15ParsingTreeNodeEE4CastINS1_16ParsingTreeArrayEEENS0_IT_EEv(ptr dead_on_unwind noalias writable sret(%"class.vl::Ptr.608") align 8, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEcvbEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK2vl3PtrINS_7parsing16ParsingTreeArrayEEptEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN2vl7parsing16ParsingTreeArray5CountEv(ptr noundef nonnull align 8 dereferenceable(232)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2vl7parsing16ParsingTreeArray7GetItemEl(ptr dead_on_unwind noalias writable sret(%"class.vl::Ptr.46") align 8, ptr noundef nonnull align 8 dereferenceable(232), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2vl3PtrINS_7parsing16ParsingTreeArrayEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass