; LLVM IR from venumb/ZSPACE :: cpp/depends/alglib/cpp/tests (test_c)

; 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.rec4serialization = type { %"struct.alglib_impl::ae_vector", %"struct.alglib_impl::ae_vector", %"struct.alglib_impl::ae_vector" }
%"struct.alglib_impl::ae_vector" = type { i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon }
%"struct.alglib_impl::ae_dyn_block" = type { ptr, ptr, ptr, ptr }
%union.anon = type { ptr }

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

declare void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) #1

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z28rec4serializationunserializePN11alglib_impl13ae_serializerEP17rec4serializationPNS_8ae_stateE(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i8, align 1
  %10 = alloca i64, align 8
  %11 = alloca double, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_Z24_rec4serialization_clearPv(ptr noundef %12)
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %13, ptr noundef %8, ptr noundef %14)
  %15 = load i64, ptr %8, align 8, !tbaa !9
  %16 = icmp sgt i64 %15, 0
  br i1 %16, label %17, label %43

17:                                               ; preds = %3
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.rec4serialization, ptr %18, i32 0, i32 0
  %20 = load i64, ptr %8, align 8, !tbaa !9
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef %19, i64 noundef %20, ptr noundef %21)
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %22

22:                                               ; preds = %39, %17
  %23 = load i64, ptr %7, align 8, !tbaa !9
  %24 = load i64, ptr %8, align 8, !tbaa !9
  %25 = sub nsw i64 %24, 1
  %26 = icmp sle i64 %23, %25
  br i1 %26, label %27, label %42

27:                                               ; preds = %22
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl30ae_serializer_unserialize_boolEPNS_13ae_serializerEPbPNS_8ae_stateE(ptr noundef %28, ptr noundef %9, ptr noundef %29)
  %30 = load i8, ptr %9, align 1, !tbaa !11, !range !13, !noundef !14
  %31 = trunc i8 %30 to i1
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.rec4serialization, ptr %32, i32 0, i32 0
  %34 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %33, i32 0, i32 4
  %35 = load ptr, ptr %34, align 8, !tbaa !15
  %36 = load i64, ptr %7, align 8, !tbaa !9
  %37 = getelementptr inbounds i8, ptr %35, i64 %36
  %38 = zext i1 %31 to i8
  store i8 %38, ptr %37, align 1, !tbaa !11
  br label %39

39:                                               ; preds = %27
  %40 = load i64, ptr %7, align 8, !tbaa !9
  %41 = add nsw i64 %40, 1
  store i64 %41, ptr %7, align 8, !tbaa !9
  br label %22, !llvm.loop !16

42:                                               ; preds = %22
  br label %43

43:                                               ; preds = %42, %3
  %44 = load ptr, ptr %4, align 8, !tbaa !5
  %45 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %44, ptr noundef %8, ptr noundef %45)
  %46 = load i64, ptr %8, align 8, !tbaa !9
  %47 = icmp sgt i64 %46, 0
  br i1 %47, label %48, label %72

48:                                               ; preds = %43
  %49 = load ptr, ptr %5, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.rec4serialization, ptr %49, i32 0, i32 1
  %51 = load i64, ptr %8, align 8, !tbaa !9
  %52 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef %50, i64 noundef %51, ptr noundef %52)
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %53

53:                                               ; preds = %68, %48
  %54 = load i64, ptr %7, align 8, !tbaa !9
  %55 = load i64, ptr %8, align 8, !tbaa !9
  %56 = sub nsw i64 %55, 1
  %57 = icmp sle i64 %54, %56
  br i1 %57, label %58, label %71

58:                                               ; preds = %53
  %59 = load ptr, ptr %4, align 8, !tbaa !5
  %60 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %59, ptr noundef %10, ptr noundef %60)
  %61 = load i64, ptr %10, align 8, !tbaa !9
  %62 = load ptr, ptr %5, align 8, !tbaa !5
  %63 = getelementptr inbounds %struct.rec4serialization, ptr %62, i32 0, i32 1
  %64 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %63, i32 0, i32 4
  %65 = load ptr, ptr %64, align 8, !tbaa !15
  %66 = load i64, ptr %7, align 8, !tbaa !9
  %67 = getelementptr inbounds i64, ptr %65, i64 %66
  store i64 %61, ptr %67, align 8, !tbaa !9
  br label %68

68:                                               ; preds = %58
  %69 = load i64, ptr %7, align 8, !tbaa !9
  %70 = add nsw i64 %69, 1
  store i64 %70, ptr %7, align 8, !tbaa !9
  br label %53, !llvm.loop !18

71:                                               ; preds = %53
  br label %72

72:                                               ; preds = %71, %43
  %73 = load ptr, ptr %4, align 8, !tbaa !5
  %74 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %73, ptr noundef %8, ptr noundef %74)
  %75 = load i64, ptr %8, align 8, !tbaa !9
  %76 = icmp sgt i64 %75, 0
  br i1 %76, label %77, label %101

77:                                               ; preds = %72
  %78 = load ptr, ptr %5, align 8, !tbaa !5
  %79 = getelementptr inbounds %struct.rec4serialization, ptr %78, i32 0, i32 2
  %80 = load i64, ptr %8, align 8, !tbaa !9
  %81 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef %79, i64 noundef %80, ptr noundef %81)
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %82

82:                                               ; preds = %97, %77
  %83 = load i64, ptr %7, align 8, !tbaa !9
  %84 = load i64, ptr %8, align 8, !tbaa !9
  %85 = sub nsw i64 %84, 1
  %86 = icmp sle i64 %83, %85
  br i1 %86, label %87, label %100

87:                                               ; preds = %82
  %88 = load ptr, ptr %4, align 8, !tbaa !5
  %89 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN11alglib_impl32ae_serializer_unserialize_doubleEPNS_13ae_serializerEPdPNS_8ae_stateE(ptr noundef %88, ptr noundef %11, ptr noundef %89)
  %90 = load double, ptr %11, align 8, !tbaa !19
  %91 = load ptr, ptr %5, align 8, !tbaa !5
  %92 = getelementptr inbounds %struct.rec4serialization, ptr %91, i32 0, i32 2
  %93 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %92, i32 0, i32 4
  %94 = load ptr, ptr %93, align 8, !tbaa !15
  %95 = load i64, ptr %7, align 8, !tbaa !9
  %96 = getelementptr inbounds double, ptr %94, i64 %95
  store double %90, ptr %96, align 8, !tbaa !19
  br label %97

97:                                               ; preds = %87
  %98 = load i64, ptr %7, align 8, !tbaa !9
  %99 = add nsw i64 %98, 1
  store i64 %99, ptr %7, align 8, !tbaa !9
  br label %82, !llvm.loop !21

100:                                              ; preds = %82
  br label %101

101:                                              ; preds = %100, %72
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z24_rec4serialization_clearPv(ptr noundef) #2

declare void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef) #1

declare void @_ZN11alglib_impl30ae_serializer_unserialize_boolEPNS_13ae_serializerEPbPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef) #1

declare void @_ZN11alglib_impl32ae_serializer_unserialize_doubleEPNS_13ae_serializerEPdPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = distinct !{!18, !17}
!19 = !{!20, !20, i64 0}
!20 = !{!"double", !7, i64 0}
!21 = distinct !{!21, !17}


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

declare void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #1

; 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 uwtable
define dso_local void @_Z28rec4serializationunserializePN11alglib_impl13ae_serializerEP17rec4serializationPNS_8ae_stateE(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #2 {
  %4 = alloca i64, align 8
  %5 = alloca i8, align 1
  %6 = alloca i64, align 8
  %7 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #3
  tail call void @_Z24_rec4serialization_clearPv(ptr noundef %1)
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %0, ptr noundef nonnull %4, ptr noundef %2)
  %8 = load i64, ptr %4, align 8, !tbaa !5
  %9 = icmp sgt i64 %8, 0
  br i1 %9, label %10, label %.loopexit36

10:                                               ; preds = %3
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef %1, i64 noundef %8, ptr noundef %2)
  %11 = load i64, ptr %4, align 8, !tbaa !5
  %.not.not37 = icmp sgt i64 %11, 0
  br i1 %.not.not37, label %.lr.ph, label %.loopexit36

.lr.ph:                                           ; preds = %10
  %12 = getelementptr inbounds i8, ptr %1, i64 56
  br label %13

13:                                               ; preds = %.lr.ph, %13
  %.038 = phi i64 [ 0, %.lr.ph ], [ %17, %13 ]
  call void @_ZN11alglib_impl30ae_serializer_unserialize_boolEPNS_13ae_serializerEPbPNS_8ae_stateE(ptr noundef %0, ptr noundef nonnull %5, ptr noundef %2)
  %14 = load i8, ptr %5, align 1, !tbaa !9, !range !11, !noundef !12
  %15 = load ptr, ptr %12, align 8, !tbaa !13
  %16 = getelementptr inbounds i8, ptr %15, i64 %.038
  store i8 %14, ptr %16, align 1, !tbaa !9
  %17 = add nuw nsw i64 %.038, 1
  %18 = load i64, ptr %4, align 8, !tbaa !5
  %.not.not = icmp slt i64 %17, %18
  br i1 %.not.not, label %13, label %.loopexit36, !llvm.loop !14

.loopexit36:                                      ; preds = %13, %10, %3
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %0, ptr noundef nonnull %4, ptr noundef %2)
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = icmp sgt i64 %19, 0
  br i1 %20, label %21, label %.loopexit35

21:                                               ; preds = %.loopexit36
  %22 = getelementptr inbounds i8, ptr %1, i64 64
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef nonnull %22, i64 noundef %19, ptr noundef %2)
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %.not.not3339 = icmp sgt i64 %23, 0
  br i1 %.not.not3339, label %.lr.ph41, label %.loopexit35

.lr.ph41:                                         ; preds = %21
  %24 = getelementptr inbounds i8, ptr %1, i64 120
  br label %25

25:                                               ; preds = %.lr.ph41, %25
  %.140 = phi i64 [ 0, %.lr.ph41 ], [ %29, %25 ]
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %0, ptr noundef nonnull %6, ptr noundef %2)
  %26 = load i64, ptr %6, align 8, !tbaa !5
  %27 = load ptr, ptr %24, align 8, !tbaa !13
  %28 = getelementptr inbounds i64, ptr %27, i64 %.140
  store i64 %26, ptr %28, align 8, !tbaa !5
  %29 = add nuw nsw i64 %.140, 1
  %30 = load i64, ptr %4, align 8, !tbaa !5
  %.not.not33 = icmp slt i64 %29, %30
  br i1 %.not.not33, label %25, label %.loopexit35, !llvm.loop !16

.loopexit35:                                      ; preds = %25, %21, %.loopexit36
  call void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef %0, ptr noundef nonnull %4, ptr noundef %2)
  %31 = load i64, ptr %4, align 8, !tbaa !5
  %32 = icmp sgt i64 %31, 0
  br i1 %32, label %33, label %.loopexit

33:                                               ; preds = %.loopexit35
  %34 = getelementptr inbounds i8, ptr %1, i64 128
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef nonnull %34, i64 noundef %31, ptr noundef %2)
  %35 = load i64, ptr %4, align 8, !tbaa !5
  %.not.not3442 = icmp sgt i64 %35, 0
  br i1 %.not.not3442, label %.lr.ph44, label %.loopexit

.lr.ph44:                                         ; preds = %33
  %36 = getelementptr inbounds i8, ptr %1, i64 184
  br label %37

37:                                               ; preds = %.lr.ph44, %37
  %.243 = phi i64 [ 0, %.lr.ph44 ], [ %41, %37 ]
  call void @_ZN11alglib_impl32ae_serializer_unserialize_doubleEPNS_13ae_serializerEPdPNS_8ae_stateE(ptr noundef %0, ptr noundef nonnull %7, ptr noundef %2)
  %38 = load double, ptr %7, align 8, !tbaa !17
  %39 = load ptr, ptr %36, align 8, !tbaa !13
  %40 = getelementptr inbounds double, ptr %39, i64 %.243
  store double %38, ptr %40, align 8, !tbaa !17
  %41 = add nuw nsw i64 %.243, 1
  %42 = load i64, ptr %4, align 8, !tbaa !5
  %.not.not34 = icmp slt i64 %41, %42
  br i1 %.not.not34, label %37, label %.loopexit, !llvm.loop !19

.loopexit:                                        ; preds = %37, %33, %.loopexit35
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z24_rec4serialization_clearPv(ptr noundef) local_unnamed_addr #2

declare void @_ZN11alglib_impl29ae_serializer_unserialize_intEPNS_13ae_serializerEPlPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

declare void @_ZN11alglib_impl30ae_serializer_unserialize_boolEPNS_13ae_serializerEPbPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

declare void @_ZN11alglib_impl32ae_serializer_unserialize_doubleEPNS_13ae_serializerEPdPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = !{!18, !18, i64 0}
!18 = !{!"double", !7, i64 0}
!19 = distinct !{!19, !15}


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