; LLVM IR from wrnlb666/yet-another-string-library-in-c :: yasli (str_append_cstrs)

; 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.__va_list_tag = type { i32, i32, ptr, ptr }
%struct.string_t = type { i64, i64, [1 x i8] }

; 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: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @str_resize(ptr noundef, i64 noundef) #2

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_copy.p0(ptr, ptr) #1

; Function Attrs: nounwind
declare ptr @strcpy(ptr noundef, ptr noundef) #4

; Function Attrs: nounwind uwtable
define dso_local ptr @str_append_cstrs(ptr noundef %0, ...) #5 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  %11 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %11)
  %12 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  %13 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_copy.p0(ptr %12, ptr %13)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store i64 0, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load ptr, ptr %14, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.string_t, ptr %15, i32 0, i32 2
  %17 = getelementptr inbounds [1 x i8], ptr %16, i64 0, i64 0
  store ptr %17, ptr %7, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %41, %1
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %22, label %21

21:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %44

22:                                               ; preds = %18
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = call i64 @strlen(ptr noundef %23) #7
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = add i64 %25, %24
  store i64 %26, ptr %6, align 8, !tbaa !9
  br label %27

27:                                               ; preds = %22
  %28 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  %29 = getelementptr inbounds %struct.__va_list_tag, ptr %28, i32 0, i32 0
  %30 = load i32, ptr %29, align 16
  %31 = icmp ule i32 %30, 40
  br i1 %31, label %32, label %37

32:                                               ; preds = %27
  %33 = getelementptr inbounds %struct.__va_list_tag, ptr %28, i32 0, i32 3
  %34 = load ptr, ptr %33, align 16
  %35 = getelementptr i8, ptr %34, i32 %30
  %36 = add i32 %30, 8
  store i32 %36, ptr %29, align 16
  br label %41

37:                                               ; preds = %27
  %38 = getelementptr inbounds %struct.__va_list_tag, ptr %28, i32 0, i32 2
  %39 = load ptr, ptr %38, align 8
  %40 = getelementptr i8, ptr %39, i32 8
  store ptr %40, ptr %38, align 8
  br label %41

41:                                               ; preds = %37, %32
  %42 = phi ptr [ %35, %32 ], [ %39, %37 ]
  %43 = load ptr, ptr %42, align 8, !tbaa !5
  store ptr %43, ptr %7, align 8, !tbaa !5
  br label %18, !llvm.loop !11

44:                                               ; preds = %21
  %45 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %45)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %46 = load ptr, ptr %3, align 8, !tbaa !5
  %47 = load ptr, ptr %46, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.string_t, ptr %47, i32 0, i32 0
  %49 = load i64, ptr %48, align 8, !tbaa !13
  store i64 %49, ptr %8, align 8, !tbaa !9
  %50 = load ptr, ptr %3, align 8, !tbaa !5
  %51 = load i64, ptr %6, align 8, !tbaa !9
  %52 = call zeroext i1 @str_resize(ptr noundef %50, i64 noundef %51)
  br i1 %52, label %53, label %108

53:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %54 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  %55 = getelementptr inbounds %struct.__va_list_tag, ptr %54, i32 0, i32 0
  %56 = load i32, ptr %55, align 16
  %57 = icmp ule i32 %56, 40
  br i1 %57, label %58, label %63

58:                                               ; preds = %53
  %59 = getelementptr inbounds %struct.__va_list_tag, ptr %54, i32 0, i32 3
  %60 = load ptr, ptr %59, align 16
  %61 = getelementptr i8, ptr %60, i32 %56
  %62 = add i32 %56, 8
  store i32 %62, ptr %55, align 16
  br label %67

63:                                               ; preds = %53
  %64 = getelementptr inbounds %struct.__va_list_tag, ptr %54, i32 0, i32 2
  %65 = load ptr, ptr %64, align 8
  %66 = getelementptr i8, ptr %65, i32 8
  store ptr %66, ptr %64, align 8
  br label %67

67:                                               ; preds = %63, %58
  %68 = phi ptr [ %61, %58 ], [ %65, %63 ]
  %69 = load ptr, ptr %68, align 8, !tbaa !5
  store ptr %69, ptr %9, align 8, !tbaa !5
  br label %70

70:                                               ; preds = %101, %67
  %71 = load ptr, ptr %9, align 8, !tbaa !5
  %72 = icmp ne ptr %71, null
  br i1 %72, label %74, label %73

73:                                               ; preds = %70
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %104

74:                                               ; preds = %70
  %75 = load ptr, ptr %3, align 8, !tbaa !5
  %76 = load ptr, ptr %75, align 8, !tbaa !5
  %77 = getelementptr inbounds %struct.string_t, ptr %76, i32 0, i32 2
  %78 = getelementptr inbounds [1 x i8], ptr %77, i64 0, i64 0
  %79 = load i64, ptr %8, align 8, !tbaa !9
  %80 = getelementptr inbounds i8, ptr %78, i64 %79
  %81 = load ptr, ptr %9, align 8, !tbaa !5
  %82 = call ptr @strcpy(ptr noundef %80, ptr noundef %81) #6
  %83 = load ptr, ptr %9, align 8, !tbaa !5
  %84 = call i64 @strlen(ptr noundef %83) #7
  %85 = load i64, ptr %8, align 8, !tbaa !9
  %86 = add i64 %85, %84
  store i64 %86, ptr %8, align 8, !tbaa !9
  br label %87

87:                                               ; preds = %74
  %88 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  %89 = getelementptr inbounds %struct.__va_list_tag, ptr %88, i32 0, i32 0
  %90 = load i32, ptr %89, align 16
  %91 = icmp ule i32 %90, 40
  br i1 %91, label %92, label %97

92:                                               ; preds = %87
  %93 = getelementptr inbounds %struct.__va_list_tag, ptr %88, i32 0, i32 3
  %94 = load ptr, ptr %93, align 16
  %95 = getelementptr i8, ptr %94, i32 %90
  %96 = add i32 %90, 8
  store i32 %96, ptr %89, align 16
  br label %101

97:                                               ; preds = %87
  %98 = getelementptr inbounds %struct.__va_list_tag, ptr %88, i32 0, i32 2
  %99 = load ptr, ptr %98, align 8
  %100 = getelementptr i8, ptr %99, i32 8
  store ptr %100, ptr %98, align 8
  br label %101

101:                                              ; preds = %97, %92
  %102 = phi ptr [ %95, %92 ], [ %99, %97 ]
  %103 = load ptr, ptr %102, align 8, !tbaa !5
  store ptr %103, ptr %9, align 8, !tbaa !5
  br label %70, !llvm.loop !15

104:                                              ; preds = %73
  %105 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %105)
  %106 = load ptr, ptr %3, align 8, !tbaa !5
  %107 = load ptr, ptr %106, align 8, !tbaa !5
  store ptr %107, ptr %2, align 8
  store i32 1, ptr %10, align 4
  br label %110

108:                                              ; preds = %44
  %109 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %109)
  store ptr null, ptr %2, align 8
  store i32 1, ptr %10, align 4
  br label %110

110:                                              ; preds = %108, %104
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  %111 = load ptr, ptr %2, align 8
  ret ptr %111
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn }
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 willreturn memory(read) "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 "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 #5 = { 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 #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(read) }

!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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 0}
!14 = !{!"string_t", !10, i64 0, !10, i64 8, !7, i64 16}
!15 = distinct !{!15, !12}


; 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.__va_list_tag = type { i32, i32, 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: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i1 @str_resize(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_copy.p0(ptr, ptr) #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite)
declare ptr @strcpy(ptr noalias noundef returned writeonly, ptr noalias nocapture noundef readonly) local_unnamed_addr #4

; Function Attrs: nounwind uwtable
define dso_local ptr @str_append_cstrs(ptr noundef %0, ...) local_unnamed_addr #5 {
  %2 = alloca [1 x %struct.__va_list_tag], align 16
  %3 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.va_start.p0(ptr nonnull %2)
  call void @llvm.va_copy.p0(ptr nonnull %3, ptr nonnull %2)
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %4, i64 16
  %.promoted = load i32, ptr %2, align 16
  %6 = getelementptr inbounds i8, ptr %2, i64 8
  %7 = getelementptr inbounds i8, ptr %2, i64 16
  %8 = load ptr, ptr %7, align 16
  %.promoted24 = load ptr, ptr %6, align 8
  br label %13

9:                                                ; preds = %25
  call void @llvm.va_end.p0(ptr nonnull %2)
  %10 = load ptr, ptr %0, align 8, !tbaa !5
  %11 = load i64, ptr %10, align 8, !tbaa !9
  %12 = call zeroext i1 @str_resize(ptr noundef nonnull %0, i64 noundef %17)
  br i1 %12, label %30, label %67

13:                                               ; preds = %1, %25
  %14 = phi ptr [ %.promoted24, %1 ], [ %26, %25 ]
  %.01523 = phi ptr [ %5, %1 ], [ %29, %25 ]
  %.01622 = phi i64 [ 0, %1 ], [ %17, %25 ]
  %15 = phi i32 [ %.promoted, %1 ], [ %27, %25 ]
  %16 = call i64 @strlen(ptr noundef nonnull dereferenceable(1) %.01523) #7
  %17 = add i64 %16, %.01622
  %18 = icmp ult i32 %15, 41
  br i1 %18, label %19, label %23

19:                                               ; preds = %13
  %20 = zext nneg i32 %15 to i64
  %21 = getelementptr i8, ptr %8, i64 %20
  %22 = add nuw nsw i32 %15, 8
  store i32 %22, ptr %2, align 16
  br label %25

23:                                               ; preds = %13
  %24 = getelementptr i8, ptr %14, i64 8
  store ptr %24, ptr %6, align 8
  br label %25

25:                                               ; preds = %23, %19
  %26 = phi ptr [ %14, %19 ], [ %24, %23 ]
  %27 = phi i32 [ %22, %19 ], [ %15, %23 ]
  %28 = phi ptr [ %21, %19 ], [ %14, %23 ]
  %29 = load ptr, ptr %28, align 8, !tbaa !5
  %.not = icmp eq ptr %29, null
  br i1 %.not, label %9, label %13, !llvm.loop !12

30:                                               ; preds = %9
  %31 = load i32, ptr %3, align 16
  %32 = icmp ult i32 %31, 41
  br i1 %32, label %33, label %39

33:                                               ; preds = %30
  %34 = getelementptr inbounds i8, ptr %3, i64 16
  %35 = load ptr, ptr %34, align 16
  %36 = zext nneg i32 %31 to i64
  %37 = getelementptr i8, ptr %35, i64 %36
  %38 = add nuw nsw i32 %31, 8
  store i32 %38, ptr %3, align 16
  br label %43

39:                                               ; preds = %30
  %40 = getelementptr inbounds i8, ptr %3, i64 8
  %41 = load ptr, ptr %40, align 8
  %42 = getelementptr i8, ptr %41, i64 8
  store ptr %42, ptr %40, align 8
  br label %43

43:                                               ; preds = %39, %33
  %44 = phi ptr [ %37, %33 ], [ %41, %39 ]
  %.025 = load ptr, ptr %44, align 8, !tbaa !5
  %.not2126 = icmp eq ptr %.025, null
  br i1 %.not2126, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %43
  %45 = getelementptr inbounds i8, ptr %3, i64 8
  %46 = getelementptr inbounds i8, ptr %3, i64 16
  br label %48

._crit_edge:                                      ; preds = %65, %43
  call void @llvm.va_end.p0(ptr nonnull %3)
  %47 = load ptr, ptr %0, align 8, !tbaa !5
  br label %68

48:                                               ; preds = %.lr.ph, %65
  %.028 = phi ptr [ %.025, %.lr.ph ], [ %.0, %65 ]
  %.01427 = phi i64 [ %11, %.lr.ph ], [ %54, %65 ]
  %49 = load ptr, ptr %0, align 8, !tbaa !5
  %50 = getelementptr inbounds i8, ptr %49, i64 16
  %51 = getelementptr inbounds i8, ptr %50, i64 %.01427
  %52 = call ptr @strcpy(ptr noundef nonnull dereferenceable(1) %51, ptr noundef nonnull dereferenceable(1) %.028) #6
  %53 = call i64 @strlen(ptr noundef nonnull dereferenceable(1) %.028) #7
  %54 = add i64 %53, %.01427
  %55 = load i32, ptr %3, align 16
  %56 = icmp ult i32 %55, 41
  br i1 %56, label %57, label %62

57:                                               ; preds = %48
  %58 = load ptr, ptr %46, align 16
  %59 = zext nneg i32 %55 to i64
  %60 = getelementptr i8, ptr %58, i64 %59
  %61 = add nuw nsw i32 %55, 8
  store i32 %61, ptr %3, align 16
  br label %65

62:                                               ; preds = %48
  %63 = load ptr, ptr %45, align 8
  %64 = getelementptr i8, ptr %63, i64 8
  store ptr %64, ptr %45, align 8
  br label %65

65:                                               ; preds = %62, %57
  %66 = phi ptr [ %60, %57 ], [ %63, %62 ]
  %.0 = load ptr, ptr %66, align 8, !tbaa !5
  %.not21 = icmp eq ptr %.0, null
  br i1 %.not21, label %._crit_edge, label %48, !llvm.loop !14

67:                                               ; preds = %9
  call void @llvm.va_end.p0(ptr nonnull %3)
  br label %68

68:                                               ; preds = %67, %._crit_edge
  %.017 = phi ptr [ %47, %._crit_edge ], [ null, %67 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  ret ptr %.017
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { mustprogress nofree nounwind willreturn memory(argmem: readwrite) "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 #5 = { 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 #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(read) }

!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, !11, i64 0}
!10 = !{!"string_t", !11, i64 0, !11, i64 8, !7, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass