; LLVM IR from thepowersgang/mrustc :: src/rc_string.ll (ZNK8RcString12ord_internedERKS_)

; 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.(anonymous namespace)::TieredSet" = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl" }
%"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl" = type { %"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl_data" }
%"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.(anonymous namespace)::TieredSet::It" = type { %"class.__gnu_cxx::__normal_iterator", %"class.__gnu_cxx::__normal_iterator", %"class.__gnu_cxx::__normal_iterator.0" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }
%class.RcString = type { ptr }
%"struct.RcString::Inner" = type { i32, i32, i32, [1 x i32] }

@RcString_interned_strings = external hidden global %"class.(anonymous namespace)::TieredSet", align 8
@RcString_interned_ordering_valid = external dso_local global i8, align 1
@.str = external hidden unnamed_addr constant [39 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [72 x i8], align 1
@__PRETTY_FUNCTION__._ZNK8RcString12ord_internedERKS_ = external hidden unnamed_addr constant [56 x i8], align 1

; 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 noundef i32 @_ZNK8RcString12ord_internedERKS_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"struct.(anonymous namespace)::TieredSet::It", align 8
  %8 = alloca %"struct.(anonymous namespace)::TieredSet::It", align 8
  %9 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %10 = load ptr, ptr %3, align 8
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call noundef zeroext i1 @_ZNK8RcString11is_internedEv(ptr noundef nonnull align 8 dereferenceable(8) %11)
  br i1 %12, label %13, label %15

13:                                               ; preds = %2
  %14 = call noundef zeroext i1 @_ZNK8RcString11is_internedEv(ptr noundef nonnull align 8 dereferenceable(8) %10)
  br label %15

15:                                               ; preds = %13, %2
  %16 = phi i1 [ false, %2 ], [ %14, %13 ]
  br i1 %16, label %17, label %18

17:                                               ; preds = %15
  br label %20

18:                                               ; preds = %15
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.2, i32 noundef 258, ptr noundef @__PRETTY_FUNCTION__._ZNK8RcString12ord_internedERKS_) #5
  unreachable

19:                                               ; No predecessors!
  br label %20

20:                                               ; preds = %19, %17
  %21 = load i8, ptr @RcString_interned_ordering_valid, align 1, !tbaa !9, !range !11, !noundef !12
  %22 = trunc i8 %21 to i1
  br i1 %22, label %38, label %23

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1, ptr %5, align 4, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store ptr @RcString_interned_strings, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #6
  call void @_ZN12_GLOBAL__N_19TieredSet5beginEv(ptr dead_on_unwind writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) @RcString_interned_strings)
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #6
  call void @_ZN12_GLOBAL__N_19TieredSet3endEv(ptr dead_on_unwind writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8 %8, ptr noundef nonnull align 8 dereferenceable(24) @RcString_interned_strings)
  br label %24

24:                                               ; preds = %35, %23
  %25 = call noundef zeroext i1 @_ZNK12_GLOBAL__N_19TieredSet2ItneERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %8)
  br i1 %25, label %27, label %26

26:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %37

27:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN12_GLOBAL__N_19TieredSet2ItdeEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  store ptr %28, ptr %9, align 8, !tbaa !5
  %29 = load i32, ptr %5, align 4, !tbaa !13
  %30 = add i32 %29, 1
  store i32 %30, ptr %5, align 4, !tbaa !13
  %31 = load ptr, ptr %9, align 8, !tbaa !5
  %32 = getelementptr inbounds %class.RcString, ptr %31, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8, !tbaa !15
  %34 = getelementptr inbounds %"struct.RcString::Inner", ptr %33, i32 0, i32 2
  store i32 %29, ptr %34, align 4, !tbaa !17
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %35

35:                                               ; preds = %27
  %36 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZN12_GLOBAL__N_19TieredSet2ItppEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  br label %24

37:                                               ; preds = %26
  store i8 1, ptr @RcString_interned_ordering_valid, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %38

38:                                               ; preds = %37, %20
  %39 = getelementptr inbounds %class.RcString, ptr %10, i32 0, i32 0
  %40 = load ptr, ptr %39, align 8, !tbaa !15
  %41 = getelementptr inbounds %"struct.RcString::Inner", ptr %40, i32 0, i32 2
  %42 = load i32, ptr %41, align 4, !tbaa !17
  %43 = load ptr, ptr %4, align 8, !tbaa !5
  %44 = getelementptr inbounds %class.RcString, ptr %43, i32 0, i32 0
  %45 = load ptr, ptr %44, align 8, !tbaa !15
  %46 = getelementptr inbounds %"struct.RcString::Inner", ptr %45, i32 0, i32 2
  %47 = load i32, ptr %46, align 4, !tbaa !17
  %48 = call noundef i32 @_ZL3ordjj(i32 noundef %42, i32 noundef %47)
  ret i32 %48
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8RcString11is_internedEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_19TieredSet5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_19TieredSet3endEv(ptr dead_on_unwind noalias writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @_ZNK12_GLOBAL__N_19TieredSet2ItneERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef nonnull align 8 dereferenceable(8) ptr @_ZN12_GLOBAL__N_19TieredSet2ItdeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef nonnull align 8 dereferenceable(24) ptr @_ZN12_GLOBAL__N_19TieredSet2ItppEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i32 @_ZL3ordjj(i32 noundef, i32 noundef) #4

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 = { noreturn 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 #4 = { inlinehint 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 #5 = { noreturn nounwind }
attributes #6 = { 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 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!16, !6, i64 0}
!16 = !{!"_ZTS8RcString", !6, i64 0}
!17 = !{!18, !14, i64 8}
!18 = !{!"_ZTSN8RcString5InnerE", !14, i64 0, !14, i64 4, !14, i64 8, !7, i64 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"

%"class.(anonymous namespace)::TieredSet" = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl" }
%"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl" = type { %"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl_data" }
%"struct.std::_Vector_base<(anonymous namespace)::TieredSet::Block, std::allocator<(anonymous namespace)::TieredSet::Block>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.(anonymous namespace)::TieredSet::It" = type { %"class.__gnu_cxx::__normal_iterator", %"class.__gnu_cxx::__normal_iterator", %"class.__gnu_cxx::__normal_iterator.0" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@RcString_interned_strings = external hidden global %"class.(anonymous namespace)::TieredSet", align 8
@RcString_interned_ordering_valid = external dso_local local_unnamed_addr global i8, align 1
@.str = external hidden unnamed_addr constant [39 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [72 x i8], align 1
@__PRETTY_FUNCTION__._ZNK8RcString12ord_internedERKS_ = external hidden unnamed_addr constant [56 x i8], align 1

; 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 nounwind uwtable
define dso_local noundef i32 @_ZNK8RcString12ord_internedERKS_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) local_unnamed_addr #1 align 2 {
  %3 = alloca %"struct.(anonymous namespace)::TieredSet::It", align 8
  %4 = alloca %"struct.(anonymous namespace)::TieredSet::It", align 8
  %5 = tail call noundef zeroext i1 @_ZNK8RcString11is_internedEv(ptr noundef nonnull align 8 dereferenceable(8) %1)
  br i1 %5, label %6, label %.critedge

6:                                                ; preds = %2
  %7 = tail call noundef zeroext i1 @_ZNK8RcString11is_internedEv(ptr noundef nonnull align 8 dereferenceable(8) %0)
  br i1 %7, label %8, label %.critedge

.critedge:                                        ; preds = %2, %6
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.2, i32 noundef 258, ptr noundef nonnull @__PRETTY_FUNCTION__._ZNK8RcString12ord_internedERKS_) #4
  unreachable

8:                                                ; preds = %6
  %9 = load i8, ptr @RcString_interned_ordering_valid, align 1, !tbaa !5, !range !9, !noundef !10
  %10 = trunc nuw i8 %9 to i1
  br i1 %10, label %19, label %11

11:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @_ZN12_GLOBAL__N_19TieredSet5beginEv(ptr dead_on_unwind nonnull writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8 %3, ptr noundef nonnull align 8 dereferenceable(24) @RcString_interned_strings)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  call void @_ZN12_GLOBAL__N_19TieredSet3endEv(ptr dead_on_unwind nonnull writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8 %4, ptr noundef nonnull align 8 dereferenceable(24) @RcString_interned_strings)
  %12 = call noundef zeroext i1 @_ZNK12_GLOBAL__N_19TieredSet2ItneERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4)
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %11
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  store i8 1, ptr @RcString_interned_ordering_valid, align 1, !tbaa !5
  br label %19

.lr.ph:                                           ; preds = %11, %.lr.ph
  %.04 = phi i32 [ %14, %.lr.ph ], [ 1, %11 ]
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN12_GLOBAL__N_19TieredSet2ItdeEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  %14 = add i32 %.04, 1
  %15 = load ptr, ptr %13, align 8, !tbaa !11
  %16 = getelementptr inbounds i8, ptr %15, i64 8
  store i32 %.04, ptr %16, align 4, !tbaa !14
  %17 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZN12_GLOBAL__N_19TieredSet2ItppEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  %18 = call noundef zeroext i1 @_ZNK12_GLOBAL__N_19TieredSet2ItneERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4)
  br i1 %18, label %.lr.ph, label %._crit_edge

19:                                               ; preds = %._crit_edge, %8
  %20 = load ptr, ptr %0, align 8, !tbaa !11
  %21 = getelementptr inbounds i8, ptr %20, i64 8
  %22 = load i32, ptr %21, align 4, !tbaa !14
  %23 = load ptr, ptr %1, align 8, !tbaa !11
  %24 = getelementptr inbounds i8, ptr %23, i64 8
  %25 = load i32, ptr %24, align 4, !tbaa !14
  %26 = call noundef i32 @_ZL3ordjj(i32 noundef %22, i32 noundef %25)
  ret i32 %26
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK8RcString11is_internedEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_19TieredSet5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden void @_ZN12_GLOBAL__N_19TieredSet3endEv(ptr dead_on_unwind noalias writable sret(%"struct.(anonymous namespace)::TieredSet::It") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @_ZNK12_GLOBAL__N_19TieredSet2ItneERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef nonnull align 8 dereferenceable(8) ptr @_ZN12_GLOBAL__N_19TieredSet2ItdeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef nonnull align 8 dereferenceable(24) ptr @_ZN12_GLOBAL__N_19TieredSet2ItppEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i32 @_ZL3ordjj(i32 noundef, i32 noundef) local_unnamed_addr #3

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 = { noreturn 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 #3 = { inlinehint 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 #4 = { noreturn nounwind }
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, !6, i64 0}
!6 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS8RcString", !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!15, !16, i64 8}
!15 = !{!"_ZTSN8RcString5InnerE", !16, i64 0, !16, i64 4, !16, i64 8, !7, i64 12}
!16 = !{!"int", !7, i64 0}


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