; LLVM IR from chensoft/libsocket :: lib/libchen/src/data (ini)

; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.chen::iterator::erasure" = type { ptr }

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4chen3ini5parseB5cxx11ENS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEES6_(ptr dead_on_unwind noalias writable sret(%"class.std::unordered_map") align 8 %0, ptr noundef %1, ptr noundef %2) #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i1, align 1
  %8 = alloca %"class.chen::iterator::erasure", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  store i1 false, ptr %7, align 1
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  invoke void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %12 unwind label %16

12:                                               ; preds = %3
  %13 = invoke noundef zeroext i1 @_ZN4chen3ini7advanceERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %14 unwind label %20

14:                                               ; preds = %12
  br i1 %13, label %24, label %15

15:                                               ; preds = %14
  store i1 true, ptr %7, align 1
  store i32 1, ptr %11, align 4
  br label %33

16:                                               ; preds = %3
  %17 = landingpad { ptr, i32 }
          cleanup
  %18 = extractvalue { ptr, i32 } %17, 0
  store ptr %18, ptr %9, align 8
  %19 = extractvalue { ptr, i32 } %17, 1
  store i32 %19, ptr %10, align 4
  br label %35

20:                                               ; preds = %30, %27, %25, %24, %12
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %9, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %10, align 4
  call void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br label %35

24:                                               ; preds = %14
  invoke void @_ZN4chen3ini6decodeERSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_IS7_S7_St4hashIS7_ESt8equal_toIS7_ESaISt4pairIKS7_S7_EEES9_SB_SaISC_ISD_SG_EEERKNS_8iterator7erasureISt18input_iterator_tagKhSO_PSO_lEERSQ_ST_(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %25 unwind label %20

25:                                               ; preds = %24
  %26 = invoke noundef zeroext i1 @_ZN4chen3ini7advanceERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %27 unwind label %20

27:                                               ; preds = %25
  %28 = invoke noundef zeroext i1 @_ZNK4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEneERKS5_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %29 unwind label %20

29:                                               ; preds = %27
  br i1 %28, label %30, label %32

30:                                               ; preds = %29
  invoke void @_ZN4chen3ini9exceptionERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %31 unwind label %20

31:                                               ; preds = %30
  br label %32

32:                                               ; preds = %31, %29
  store i1 true, ptr %7, align 1
  store i32 1, ptr %11, align 4
  br label %33

33:                                               ; preds = %32, %15
  call void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %34 = load i1, ptr %7, align 1
  br i1 %34, label %37, label %36

35:                                               ; preds = %20, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  br label %38

36:                                               ; preds = %33
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  br label %37

37:                                               ; preds = %36, %33
  ret void

38:                                               ; preds = %35
  %39 = load ptr, ptr %9, align 8
  %40 = load i32, ptr %10, align 4
  %41 = insertvalue { ptr, i32 } poison, ptr %39, 0
  %42 = insertvalue { ptr, i32 } %41, i32 %40, 1
  resume { ptr, i32 } %42
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4chen3ini7advanceERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen3ini6decodeERSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_IS7_S7_St4hashIS7_ESt8equal_toIS7_ESaISt4pairIKS7_S7_EEES9_SB_SaISC_ISD_SG_EEERKNS_8iterator7erasureISt18input_iterator_tagKhSO_PSO_lEERSQ_ST_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEneERKS5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen3ini9exceptionERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 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 = { 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 = { 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"}


; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.chen::iterator::erasure" = type { ptr }

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4chen3ini5parseB5cxx11ENS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEES6_(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::unordered_map") align 8 %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.chen::iterator::erasure", align 8
  tail call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  invoke void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %1)
          to label %5 unwind label %8

5:                                                ; preds = %3
  %6 = invoke noundef zeroext i1 @_ZN4chen3ini7advanceERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %7 unwind label %10

7:                                                ; preds = %5
  br i1 %6, label %12, label %19

8:                                                ; preds = %3
  %9 = landingpad { ptr, i32 }
          cleanup
  br label %20

10:                                               ; preds = %18, %15, %13, %12, %5
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br label %20

12:                                               ; preds = %7
  invoke void @_ZN4chen3ini6decodeERSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_IS7_S7_St4hashIS7_ESt8equal_toIS7_ESaISt4pairIKS7_S7_EEES9_SB_SaISC_ISD_SG_EEERKNS_8iterator7erasureISt18input_iterator_tagKhSO_PSO_lEERSQ_ST_(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %13 unwind label %10

13:                                               ; preds = %12
  %14 = invoke noundef zeroext i1 @_ZN4chen3ini7advanceERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %15 unwind label %10

15:                                               ; preds = %13
  %16 = invoke noundef zeroext i1 @_ZNK4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEneERKS5_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %17 unwind label %10

17:                                               ; preds = %15
  br i1 %16, label %18, label %19

18:                                               ; preds = %17
  invoke void @_ZN4chen3ini9exceptionERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %19 unwind label %10

19:                                               ; preds = %17, %18, %7
  call void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret void

20:                                               ; preds = %10, %8
  %.pn = phi { ptr, i32 } [ %11, %10 ], [ %9, %8 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

; 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
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEC2ERKS5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4chen3ini7advanceERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen3ini6decodeERSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES1_IS7_S7_St4hashIS7_ESt8equal_toIS7_ESaISt4pairIKS7_S7_EEES9_SB_SaISC_ISD_SG_EEERKNS_8iterator7erasureISt18input_iterator_tagKhSO_PSO_lEERSQ_ST_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZNK4chen8iterator7erasureISt18input_iterator_tagKhS3_PS3_lEneERKS5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4chen3ini9exceptionERKNS_8iterator7erasureISt18input_iterator_tagKhS4_PS4_lEERS6_S9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES_IS5_S5_St4hashIS5_ESt8equal_toIS5_ESaISt4pairIKS5_S5_EEES7_S9_SaISA_ISB_SE_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 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 = { 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 = { 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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass