; LLVM IR from NervanaSystems/ngraph :: src/ngraph/type (element_type)

; 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.std::_Rb_tree_const_iterator" = type { ptr }
%"class.ngraph::element::Type" = type { i32 }
%"struct.std::pair" = type { i32, %class.TypeInfo }
%class.TypeInfo = type { i64, i8, i8, i8, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 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: mustprogress uwtable
define dso_local void @_ZN6ngraph7element4TypeC2EmbbbRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 4 dereferenceable(4) %0, i64 noundef %1, i1 noundef zeroext %2, i1 noundef zeroext %3, i1 noundef zeroext %4, ptr noundef nonnull align 8 dereferenceable(32) %5) unnamed_addr #1 align 2 {
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i8, align 1
  %10 = alloca i8, align 1
  %11 = alloca i8, align 1
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %15 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %16 = alloca i32, align 4
  %17 = alloca ptr, align 8
  %18 = alloca ptr, align 8
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i64 %1, ptr %8, align 8, !tbaa !9
  %19 = zext i1 %2 to i8
  store i8 %19, ptr %9, align 1, !tbaa !11
  %20 = zext i1 %3 to i8
  store i8 %20, ptr %10, align 1, !tbaa !11
  %21 = zext i1 %4 to i8
  store i8 %21, ptr %11, align 1, !tbaa !11
  store ptr %5, ptr %12, align 8, !tbaa !5
  %22 = load ptr, ptr %7, align 8
  %23 = getelementptr inbounds %"class.ngraph::element::Type", ptr %22, i32 0, i32 0
  store i32 0, ptr %23, align 4, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #3
  %24 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZL17get_type_info_mapv()
  store ptr %24, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #3
  %25 = load ptr, ptr %13, align 8, !tbaa !5
  %26 = call ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %25) #3
  %27 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %14, i32 0, i32 0
  store ptr %26, ptr %27, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #3
  %28 = load ptr, ptr %13, align 8, !tbaa !5
  %29 = call ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %28) #3
  %30 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %15, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  br label %31

31:                                               ; preds = %85, %6
  %32 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEESA_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #3
  br i1 %32, label %34, label %33

33:                                               ; preds = %31
  store i32 2, ptr %16, align 4
  br label %87

34:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #3
  %35 = call noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #3
  store ptr %35, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #3
  %36 = load ptr, ptr %17, align 8, !tbaa !5
  %37 = getelementptr inbounds %"struct.std::pair", ptr %36, i32 0, i32 1
  store ptr %37, ptr %18, align 8, !tbaa !5
  %38 = load i64, ptr %8, align 8, !tbaa !9
  %39 = load ptr, ptr %18, align 8, !tbaa !5
  %40 = getelementptr inbounds %class.TypeInfo, ptr %39, i32 0, i32 0
  %41 = load i64, ptr %40, align 8, !tbaa !16
  %42 = icmp eq i64 %38, %41
  br i1 %42, label %43, label %78

43:                                               ; preds = %34
  %44 = load i8, ptr %9, align 1, !tbaa !11, !range !20, !noundef !21
  %45 = trunc i8 %44 to i1
  %46 = zext i1 %45 to i32
  %47 = load ptr, ptr %18, align 8, !tbaa !5
  %48 = getelementptr inbounds %class.TypeInfo, ptr %47, i32 0, i32 1
  %49 = load i8, ptr %48, align 8, !tbaa !22, !range !20, !noundef !21
  %50 = trunc i8 %49 to i1
  %51 = zext i1 %50 to i32
  %52 = icmp eq i32 %46, %51
  br i1 %52, label %53, label %78

53:                                               ; preds = %43
  %54 = load i8, ptr %10, align 1, !tbaa !11, !range !20, !noundef !21
  %55 = trunc i8 %54 to i1
  %56 = zext i1 %55 to i32
  %57 = load ptr, ptr %18, align 8, !tbaa !5
  %58 = getelementptr inbounds %class.TypeInfo, ptr %57, i32 0, i32 2
  %59 = load i8, ptr %58, align 1, !tbaa !23, !range !20, !noundef !21
  %60 = trunc i8 %59 to i1
  %61 = zext i1 %60 to i32
  %62 = icmp eq i32 %56, %61
  br i1 %62, label %63, label %78

63:                                               ; preds = %53
  %64 = load i8, ptr %11, align 1, !tbaa !11, !range !20, !noundef !21
  %65 = trunc i8 %64 to i1
  %66 = zext i1 %65 to i32
  %67 = load ptr, ptr %18, align 8, !tbaa !5
  %68 = getelementptr inbounds %class.TypeInfo, ptr %67, i32 0, i32 3
  %69 = load i8, ptr %68, align 2, !tbaa !24, !range !20, !noundef !21
  %70 = trunc i8 %69 to i1
  %71 = zext i1 %70 to i32
  %72 = icmp eq i32 %66, %71
  br i1 %72, label %73, label %78

73:                                               ; preds = %63
  %74 = load ptr, ptr %17, align 8, !tbaa !5
  %75 = getelementptr inbounds %"struct.std::pair", ptr %74, i32 0, i32 0
  %76 = load i32, ptr %75, align 8, !tbaa !25
  %77 = getelementptr inbounds %"class.ngraph::element::Type", ptr %22, i32 0, i32 0
  store i32 %76, ptr %77, align 4, !tbaa !13
  store i32 1, ptr %16, align 4
  br label %79

78:                                               ; preds = %63, %53, %43, %34
  store i32 0, ptr %16, align 4
  br label %79

79:                                               ; preds = %78, %73
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #3
  %80 = load i32, ptr %16, align 4
  switch i32 %80, label %82 [
    i32 0, label %81
  ]

81:                                               ; preds = %79
  store i32 0, ptr %16, align 4
  br label %82

82:                                               ; preds = %81, %79
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #3
  %83 = load i32, ptr %16, align 4
  switch i32 %83, label %87 [
    i32 0, label %84
  ]

84:                                               ; preds = %82
  br label %85

85:                                               ; preds = %84
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #3
  br label %31

87:                                               ; preds = %82, %33
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #3
  %88 = load i32, ptr %16, align 4
  switch i32 %88, label %90 [
    i32 2, label %89
    i32 1, label %89
  ]

89:                                               ; preds = %87, %87
  ret void

90:                                               ; preds = %87
  unreachable
}

; Function Attrs: mustprogress uwtable
declare hidden noundef nonnull align 8 dereferenceable(48) ptr @_ZL17get_type_info_mapv() #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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 = !{!14, !15, i64 0}
!14 = !{!"_ZTSN6ngraph7element4TypeE", !15, i64 0}
!15 = !{!"_ZTSN6ngraph7element6Type_tE", !7, i64 0}
!16 = !{!17, !10, i64 0}
!17 = !{!"_ZTS8TypeInfo", !10, i64 0, !12, i64 8, !12, i64 9, !12, i64 10, !18, i64 16, !18, i64 48}
!18 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !19, i64 0, !10, i64 8, !7, i64 16}
!19 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!20 = !{i8 0, i8 2}
!21 = !{}
!22 = !{!17, !12, i64 8}
!23 = !{!17, !12, i64 9}
!24 = !{!17, !12, i64 10}
!25 = !{!26, !15, i64 0}
!26 = !{!"_ZTSSt4pairIKN6ngraph7element6Type_tEK8TypeInfoE", !15, i64 0, !17, i64 8}


; 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.std::_Rb_tree_const_iterator" = type { 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 uwtable
define dso_local void @_ZN6ngraph7element4TypeC2EmbbbRKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr nocapture noundef nonnull writeonly align 4 dereferenceable(4) %0, i64 noundef %1, i1 noundef zeroext %2, i1 noundef zeroext %3, i1 noundef zeroext %4, ptr nocapture noundef nonnull readnone align 8 dereferenceable(32) %5) unnamed_addr #1 align 2 {
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store i32 0, ptr %0, align 4, !tbaa !5
  %9 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZL17get_type_info_mapv()
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #3
  %10 = tail call ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %9) #3
  store ptr %10, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #3
  %11 = tail call ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %9) #3
  store ptr %11, ptr %8, align 8
  %12 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #3
  br i1 %12, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %6
  %13 = zext i1 %2 to i8
  %14 = zext i1 %3 to i8
  %15 = zext i1 %4 to i8
  br label %16

16:                                               ; preds = %.lr.ph, %31
  %17 = call noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  %18 = getelementptr inbounds i8, ptr %17, i64 8
  %19 = load i64, ptr %18, align 8, !tbaa !10
  %20 = icmp eq i64 %19, %1
  %21 = getelementptr inbounds i8, ptr %17, i64 16
  %22 = load i8, ptr %21, align 8, !range !17
  %23 = icmp eq i8 %22, %13
  %or.cond = select i1 %20, i1 %23, i1 false
  %24 = getelementptr inbounds i8, ptr %17, i64 17
  %25 = load i8, ptr %24, align 1, !range !17
  %26 = icmp eq i8 %25, %14
  %or.cond19 = select i1 %or.cond, i1 %26, i1 false
  %27 = getelementptr inbounds i8, ptr %17, i64 18
  %28 = load i8, ptr %27, align 2, !range !17
  %29 = icmp eq i8 %28, %15
  %or.cond22 = select i1 %or.cond19, i1 %29, i1 false
  br i1 %or.cond22, label %.critedge, label %31

.critedge:                                        ; preds = %16
  %30 = load i32, ptr %17, align 8, !tbaa !18
  store i32 %30, ptr %0, align 4, !tbaa !5
  br label %.loopexit

31:                                               ; preds = %16
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  %33 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #3
  br i1 %33, label %16, label %.loopexit

.loopexit:                                        ; preds = %31, %6, %.critedge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #3
  ret void
}

; Function Attrs: mustprogress uwtable
declare hidden noundef nonnull align 8 dereferenceable(48) ptr @_ZL17get_type_info_mapv() local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3mapIN6ngraph7element6Type_tEK8TypeInfoSt4lessIS2_ESaISt4pairIKS2_S4_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(88) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt23_Rb_tree_const_iteratorISt4pairIKN6ngraph7element6Type_tEK8TypeInfoEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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, !7, i64 0}
!6 = !{!"_ZTSN6ngraph7element4TypeE", !7, i64 0}
!7 = !{!"_ZTSN6ngraph7element6Type_tE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !12, i64 0}
!11 = !{!"_ZTS8TypeInfo", !12, i64 0, !13, i64 8, !13, i64 9, !13, i64 10, !14, i64 16, !14, i64 48}
!12 = !{!"long", !8, i64 0}
!13 = !{!"bool", !8, i64 0}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !12, i64 8, !8, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !16, i64 0}
!16 = !{!"any pointer", !8, i64 0}
!17 = !{i8 0, i8 2}
!18 = !{!19, !7, i64 0}
!19 = !{!"_ZTSSt4pairIKN6ngraph7element6Type_tEK8TypeInfoE", !7, i64 0, !11, i64 8}


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