; LLVM IR from ThePhysicsGuys/Physics3D :: util/stringUtil.ll (ZN4Util10split_viewERKSt17basic_string_viewIcSt11char_traitsIcEEc)

; 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.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_string_view" = type { i64, 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 uwtable
define dso_local void @_ZN4Util10split_viewERKSt17basic_string_viewIcSt11char_traitsIcEEc(ptr dead_on_unwind noalias writable sret(%"class.std::vector.5") align 8 %0, ptr noundef nonnull align 8 dereferenceable(16) %1, i8 noundef signext %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i8, align 1
  %7 = alloca i1, align 1
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.std::basic_string_view", align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::basic_string_view", align 8
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i8 %2, ptr %6, align 1, !tbaa !9
  store i1 false, ptr %7, align 1
  call void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = call noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(16) %15) #3
  store i64 %16, ptr %8, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store i64 0, ptr %9, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  store i64 0, ptr %10, align 8, !tbaa !10
  br label %17

17:                                               ; preds = %51, %3
  %18 = load i64, ptr %10, align 8, !tbaa !10
  %19 = load i64, ptr %8, align 8, !tbaa !10
  %20 = icmp ult i64 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  br label %54

22:                                               ; preds = %17
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = load i64, ptr %10, align 8, !tbaa !10
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEEixEm(ptr noundef nonnull align 8 dereferenceable(16) %23, i64 noundef %24) #3
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = sext i8 %26 to i32
  %28 = load i8, ptr %6, align 1, !tbaa !9
  %29 = sext i8 %28 to i32
  %30 = icmp eq i32 %27, %29
  br i1 %30, label %31, label %50

31:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #3
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = load i64, ptr %9, align 8, !tbaa !10
  %34 = load i64, ptr %10, align 8, !tbaa !10
  %35 = load i64, ptr %9, align 8, !tbaa !10
  %36 = sub i64 %34, %35
  %37 = invoke { i64, ptr } @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6substrEmm(ptr noundef nonnull align 8 dereferenceable(16) %32, i64 noundef %33, i64 noundef %36)
          to label %38 unwind label %46

38:                                               ; preds = %31
  %39 = getelementptr inbounds { i64, ptr }, ptr %11, i32 0, i32 0
  %40 = extractvalue { i64, ptr } %37, 0
  store i64 %40, ptr %39, align 8
  %41 = getelementptr inbounds { i64, ptr }, ptr %11, i32 0, i32 1
  %42 = extractvalue { i64, ptr } %37, 1
  store ptr %42, ptr %41, align 8
  invoke void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(16) %11)
          to label %43 unwind label %46

43:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  %44 = load i64, ptr %10, align 8, !tbaa !10
  %45 = add i64 %44, 1
  store i64 %45, ptr %9, align 8, !tbaa !10
  br label %50

46:                                               ; preds = %38, %31
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %12, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  br label %77

50:                                               ; preds = %43, %22
  br label %51

51:                                               ; preds = %50
  %52 = load i64, ptr %10, align 8, !tbaa !10
  %53 = add i64 %52, 1
  store i64 %53, ptr %10, align 8, !tbaa !10
  br label %17, !llvm.loop !12

54:                                               ; preds = %21
  %55 = load i64, ptr %9, align 8, !tbaa !10
  %56 = load i64, ptr %8, align 8, !tbaa !10
  %57 = icmp ult i64 %55, %56
  br i1 %57, label %58, label %75

58:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #3
  %59 = load ptr, ptr %5, align 8, !tbaa !5
  %60 = load i64, ptr %9, align 8, !tbaa !10
  %61 = load i64, ptr %8, align 8, !tbaa !10
  %62 = load i64, ptr %9, align 8, !tbaa !10
  %63 = sub i64 %61, %62
  %64 = invoke { i64, ptr } @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6substrEmm(ptr noundef nonnull align 8 dereferenceable(16) %59, i64 noundef %60, i64 noundef %63)
          to label %65 unwind label %71

65:                                               ; preds = %58
  %66 = getelementptr inbounds { i64, ptr }, ptr %14, i32 0, i32 0
  %67 = extractvalue { i64, ptr } %64, 0
  store i64 %67, ptr %66, align 8
  %68 = getelementptr inbounds { i64, ptr }, ptr %14, i32 0, i32 1
  %69 = extractvalue { i64, ptr } %64, 1
  store ptr %69, ptr %68, align 8
  invoke void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(16) %14)
          to label %70 unwind label %71

70:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #3
  br label %75

71:                                               ; preds = %65, %58
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %12, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #3
  br label %77

75:                                               ; preds = %70, %54
  store i1 true, ptr %7, align 1
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %76 = load i1, ptr %7, align 1
  br i1 %76, label %79, label %78

77:                                               ; preds = %71, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %80

78:                                               ; preds = %75
  call void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %79

79:                                               ; preds = %78, %75
  ret void

80:                                               ; preds = %77
  %81 = load ptr, ptr %12, align 8
  %82 = load i32, ptr %13, align 4
  %83 = insertvalue { ptr, i32 } poison, ptr %81, 0
  %84 = insertvalue { ptr, i32 } %83, i32 %82, 1
  resume { ptr, i32 } %84
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEEixEm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, ptr } @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6substrEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"long", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::basic_string_view<char>, std::allocator<std::basic_string_view<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_string_view" = type { i64, 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 uwtable
define dso_local void @_ZN4Util10split_viewERKSt17basic_string_viewIcSt11char_traitsIcEEc(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector.5") align 8 %0, ptr noundef nonnull align 8 dereferenceable(16) %1, i8 noundef signext %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::basic_string_view", align 8
  %5 = alloca %"class.std::basic_string_view", align 8
  tail call void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %6 = tail call noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(16) %1) #3
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3
  %7 = getelementptr inbounds i8, ptr %4, i64 8
  br label %9

._crit_edge:                                      ; preds = %23, %3
  %.022.lcssa = phi i64 [ 0, %3 ], [ %.1, %23 ]
  %8 = icmp ult i64 %.022.lcssa, %6
  br i1 %8, label %24, label %35

9:                                                ; preds = %.lr.ph, %23
  %.02127 = phi i64 [ 0, %.lr.ph ], [ %.pre-phi, %23 ]
  %.02226 = phi i64 [ 0, %.lr.ph ], [ %.1, %23 ]
  %10 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEEixEm(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 noundef %.02127) #3
  %11 = load i8, ptr %10, align 1, !tbaa !5
  %12 = icmp eq i8 %11, %2
  br i1 %12, label %13, label %._crit_edge28

._crit_edge28:                                    ; preds = %9
  %.pre = add nuw i64 %.02127, 1
  br label %23

13:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #3
  %14 = sub i64 %.02127, %.02226
  %15 = invoke { i64, ptr } @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6substrEmm(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 noundef %.02226, i64 noundef %14)
          to label %16 unwind label %21

16:                                               ; preds = %13
  %17 = extractvalue { i64, ptr } %15, 0
  store i64 %17, ptr %4, align 8
  %18 = extractvalue { i64, ptr } %15, 1
  store ptr %18, ptr %7, align 8
  invoke void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(16) %4)
          to label %19 unwind label %21

19:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #3
  %20 = add nuw i64 %.02127, 1
  br label %23

21:                                               ; preds = %16, %13
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #3
  br label %34

23:                                               ; preds = %._crit_edge28, %19
  %.pre-phi = phi i64 [ %.pre, %._crit_edge28 ], [ %20, %19 ]
  %.1 = phi i64 [ %.02226, %._crit_edge28 ], [ %20, %19 ]
  %exitcond.not = icmp eq i64 %.pre-phi, %6
  br i1 %exitcond.not, label %._crit_edge, label %9, !llvm.loop !8

24:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #3
  %25 = sub i64 %6, %.022.lcssa
  %26 = invoke { i64, ptr } @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6substrEmm(ptr noundef nonnull align 8 dereferenceable(16) %1, i64 noundef %.022.lcssa, i64 noundef %25)
          to label %27 unwind label %32

27:                                               ; preds = %24
  %28 = extractvalue { i64, ptr } %26, 0
  store i64 %28, ptr %5, align 8
  %29 = getelementptr inbounds i8, ptr %5, i64 8
  %30 = extractvalue { i64, ptr } %26, 1
  store ptr %30, ptr %29, align 8
  invoke void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(16) %5)
          to label %31 unwind label %32

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  br label %35

32:                                               ; preds = %27, %24
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  br label %34

34:                                               ; preds = %32, %21
  %.pn = phi { ptr, i32 } [ %22, %21 ], [ %33, %32 ]
  call void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %.pn

35:                                               ; preds = %._crit_edge, %31
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNKSt17basic_string_viewIcSt11char_traitsIcEEixEm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, ptr } @_ZNKSt17basic_string_viewIcSt11char_traitsIcEE6substrEmm(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt17basic_string_viewIcSt11char_traitsIcEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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