; LLVM IR from TheAlgorithms/C-Plus-Plus :: graph/hopcroft_karp.ll (ZN5graph7HKGraphC2Eii)

; 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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.graph::HKGraph" = type { i32, i32, i32, i32, %"class.std::vector.0", %"class.std::vector", %"class.std::vector", %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, 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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 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 @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5graph7HKGraphC2Eii(ptr noundef nonnull align 8 dereferenceable(112) %0, i32 noundef %1, i32 noundef %2) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector.0", align 8
  %8 = alloca %"class.std::allocator.2", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  %11 = load ptr, ptr %4, align 8
  %12 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 0
  store i32 0, ptr %12, align 8, !tbaa !11
  %13 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 1
  store i32 0, ptr %13, align 4, !tbaa !21
  %14 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 2
  store i32 0, ptr %14, align 8, !tbaa !22
  %15 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 3
  store i32 2147483647, ptr %15, align 4, !tbaa !23
  %16 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 4
  call void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #3
  %17 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 5
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  %18 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #3
  %19 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #3
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 0
  store i32 %20, ptr %21, align 8, !tbaa !11
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 1
  store i32 %22, ptr %23, align 4, !tbaa !21
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #3
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = add nsw i32 %24, 1
  %26 = sext i32 %25 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  call void @_ZNSaINSt7__cxx114listIiSaIiEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  invoke void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %26, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %27 unwind label %30

27:                                               ; preds = %3
  %28 = getelementptr inbounds %"class.graph::HKGraph", ptr %11, i32 0, i32 4
  %29 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEaSEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %28, ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt15__new_allocatorINSt7__cxx114listIiSaIiEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  ret void

30:                                               ; preds = %3
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %9, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %10, align 4
  call void @_ZNSt15__new_allocatorINSt7__cxx114listIiSaIiEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  call void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #3
  br label %34

34:                                               ; preds = %30
  %35 = load ptr, ptr %9, align 8
  %36 = load i32, ptr %10, align 4
  %37 = insertvalue { ptr, i32 } poison, ptr %35, 0
  %38 = insertvalue { ptr, i32 } %37, i32 %36, 1
  resume { ptr, i32 } %38
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx114listIiSaIiEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEaSEOS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx114listIiSaIiEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { 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 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTSN5graph7HKGraphE", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !13, i64 16, !17, i64 40, !17, i64 64, !17, i64 88}
!13 = !{!"_ZTSSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseINSt7__cxx114listIiSaIiEEESaIS3_EE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx114listIiSaIiEEESaIS3_EE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx114listIiSaIiEEESaIS3_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"_ZTSSt6vectorIiSaIiEE", !18, i64 0}
!18 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !20, i64 0}
!20 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!21 = !{!12, !10, i64 4}
!22 = !{!12, !10, i64 8}
!23 = !{!12, !10, 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.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::list<int>, std::allocator<std::__cxx11::list<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

; 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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 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 @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5graph7HKGraphC2Eii(ptr noundef nonnull align 8 dereferenceable(112) %0, i32 noundef %1, i32 noundef %2) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::allocator.2", align 1
  %6 = getelementptr inbounds i8, ptr %0, i64 4
  store <4 x i32> <i32 0, i32 0, i32 0, i32 2147483647>, ptr %0, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  %8 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  %9 = getelementptr inbounds i8, ptr %0, i64 64
  tail call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  %10 = getelementptr inbounds i8, ptr %0, i64 88
  tail call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  store i32 %1, ptr %0, align 8, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !20
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #3
  %11 = add nsw i32 %1, 1
  %12 = sext i32 %11 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @_ZNSaINSt7__cxx114listIiSaIiEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %12, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %15

13:                                               ; preds = %3
  %14 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEaSEOS5_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @_ZNSt15__new_allocatorINSt7__cxx114listIiSaIiEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  ret void

15:                                               ; preds = %3
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorINSt7__cxx114listIiSaIiEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  call void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  resume { ptr, i32 } %16
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx114listIiSaIiEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEC2EmRKS4_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EEaSEOS5_(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 dso_local void @_ZNSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx114listIiSaIiEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN5graph7HKGraphE", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !11, i64 16, !16, i64 40, !16, i64 64, !16, i64 88}
!11 = !{!"_ZTSSt6vectorINSt7__cxx114listIiSaIiEEESaIS3_EE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseINSt7__cxx114listIiSaIiEEESaIS3_EE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx114listIiSaIiEEESaIS3_EE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseINSt7__cxx114listIiSaIiEEESaIS3_EE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!"_ZTSSt6vectorIiSaIiEE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !15, i64 0, !15, i64 8, !15, i64 16}
!20 = !{!10, !6, i64 4}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass