; LLVM IR from flashlight/flashlight :: flashlight/fl/meter/EditDistanceMeter.ll (ZNK2fl17EditDistanceMeter9errorRateEv)

; 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.2" = type { %"struct.std::_Vector_base.3" }
%"struct.std::_Vector_base.3" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::initializer_list.7" = type { ptr, i64 }
%"class.std::allocator.4" = type { i8 }
%"class.fl::EditDistanceMeter" = type { i64, i64, i64, i64 }

declare i32 @__gxx_personality_v0(...)

; 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 nounwind uwtable
declare dso_local noundef i64 @_ZNK2fl17EditDistanceMeter6sumErrEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK2fl17EditDistanceMeter9errorRateEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector.2") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  %7 = alloca double, align 8
  %8 = alloca double, align 8
  %9 = alloca %"class.std::initializer_list.7", align 8
  %10 = alloca [5 x double], align 8
  %11 = alloca %"class.std::allocator.4", align 1
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %15 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 0
  %16 = load i64, ptr %15, align 8, !tbaa !9
  %17 = icmp sgt i64 %16, 0
  br i1 %17, label %18, label %50

18:                                               ; preds = %2
  %19 = call noundef i64 @_ZNK2fl17EditDistanceMeter6sumErrEv(ptr noundef nonnull align 8 dereferenceable(32) %14)
  %20 = sitofp i64 %19 to double
  %21 = fmul double %20, 1.000000e+02
  %22 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 0
  %23 = load i64, ptr %22, align 8, !tbaa !9
  %24 = sitofp i64 %23 to double
  %25 = fdiv double %21, %24
  store double %25, ptr %5, align 8, !tbaa !12
  %26 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 1
  %27 = load i64, ptr %26, align 8, !tbaa !14
  %28 = sitofp i64 %27 to double
  %29 = fmul double %28, 1.000000e+02
  %30 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 0
  %31 = load i64, ptr %30, align 8, !tbaa !9
  %32 = sitofp i64 %31 to double
  %33 = fdiv double %29, %32
  store double %33, ptr %6, align 8, !tbaa !12
  %34 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 2
  %35 = load i64, ptr %34, align 8, !tbaa !15
  %36 = sitofp i64 %35 to double
  %37 = fmul double %36, 1.000000e+02
  %38 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 0
  %39 = load i64, ptr %38, align 8, !tbaa !9
  %40 = sitofp i64 %39 to double
  %41 = fdiv double %37, %40
  store double %41, ptr %7, align 8, !tbaa !12
  %42 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 3
  %43 = load i64, ptr %42, align 8, !tbaa !16
  %44 = sitofp i64 %43 to double
  %45 = fmul double %44, 1.000000e+02
  %46 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 0
  %47 = load i64, ptr %46, align 8, !tbaa !9
  %48 = sitofp i64 %47 to double
  %49 = fdiv double %45, %48
  store double %49, ptr %8, align 8, !tbaa !12
  br label %74

50:                                               ; preds = %2
  %51 = call noundef i64 @_ZNK2fl17EditDistanceMeter6sumErrEv(ptr noundef nonnull align 8 dereferenceable(32) %14)
  %52 = icmp sgt i64 %51, 0
  %53 = zext i1 %52 to i64
  %54 = call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %55 = select i1 %52, double %54, double 0.000000e+00
  store double %55, ptr %5, align 8, !tbaa !12
  %56 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 1
  %57 = load i64, ptr %56, align 8, !tbaa !14
  %58 = icmp sgt i64 %57, 0
  %59 = zext i1 %58 to i64
  %60 = call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %61 = select i1 %58, double %60, double 0.000000e+00
  store double %61, ptr %6, align 8, !tbaa !12
  %62 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 2
  %63 = load i64, ptr %62, align 8, !tbaa !15
  %64 = icmp sgt i64 %63, 0
  %65 = zext i1 %64 to i64
  %66 = call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %67 = select i1 %64, double %66, double 0.000000e+00
  store double %67, ptr %7, align 8, !tbaa !12
  %68 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 3
  %69 = load i64, ptr %68, align 8, !tbaa !16
  %70 = icmp sgt i64 %69, 0
  %71 = zext i1 %70 to i64
  %72 = call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %73 = select i1 %70, double %72, double 0.000000e+00
  store double %73, ptr %8, align 8, !tbaa !12
  br label %74

74:                                               ; preds = %50, %18
  call void @llvm.lifetime.start.p0(i64 40, ptr %10) #3
  %75 = load double, ptr %5, align 8, !tbaa !12
  store double %75, ptr %10, align 8, !tbaa !12
  %76 = getelementptr inbounds double, ptr %10, i64 1
  %77 = getelementptr inbounds %"class.fl::EditDistanceMeter", ptr %14, i32 0, i32 0
  %78 = load i64, ptr %77, align 8, !tbaa !9
  %79 = sitofp i64 %78 to double
  store double %79, ptr %76, align 8, !tbaa !12
  %80 = getelementptr inbounds double, ptr %10, i64 2
  %81 = load double, ptr %6, align 8, !tbaa !12
  store double %81, ptr %80, align 8, !tbaa !12
  %82 = getelementptr inbounds double, ptr %10, i64 3
  %83 = load double, ptr %7, align 8, !tbaa !12
  store double %83, ptr %82, align 8, !tbaa !12
  %84 = getelementptr inbounds double, ptr %10, i64 4
  %85 = load double, ptr %8, align 8, !tbaa !12
  store double %85, ptr %84, align 8, !tbaa !12
  %86 = getelementptr inbounds %"class.std::initializer_list.7", ptr %9, i32 0, i32 0
  store ptr %10, ptr %86, align 8, !tbaa !17
  %87 = getelementptr inbounds %"class.std::initializer_list.7", ptr %9, i32 0, i32 1
  store i64 5, ptr %87, align 8, !tbaa !19
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #3
  call void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  %88 = getelementptr inbounds { ptr, i64 }, ptr %9, i32 0, i32 0
  %89 = load ptr, ptr %88, align 8
  %90 = getelementptr inbounds { ptr, i64 }, ptr %9, i32 0, i32 1
  %91 = load i64, ptr %90, align 8
  invoke void @_ZNSt6vectorIdSaIdEEC2ESt16initializer_listIdERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr %89, i64 %91, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %92 unwind label %93

92:                                               ; preds = %74
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void

93:                                               ; preds = %74
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %12, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %13, align 4
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %97

97:                                               ; preds = %93
  %98 = load ptr, ptr %12, align 8
  %99 = load i32, ptr %13, align 4
  %100 = insertvalue { ptr, i32 } poison, ptr %98, 0
  %101 = insertvalue { ptr, i32 } %100, i32 %99, 1
  resume { ptr, i32 } %101
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2ESt16initializer_listIdERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIdED2Ev(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, !11, i64 0}
!10 = !{!"_ZTSN2fl17EditDistanceMeterE", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !7, i64 0}
!14 = !{!10, !11, i64 8}
!15 = !{!10, !11, i64 16}
!16 = !{!10, !11, i64 24}
!17 = !{!18, !6, i64 0}
!18 = !{!"_ZTSSt16initializer_listIdE", !6, i64 0, !11, i64 8}
!19 = !{!18, !11, 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"

%"class.std::vector.2" = type { %"struct.std::_Vector_base.3" }
%"struct.std::_Vector_base.3" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.4" = type { i8 }

declare i32 @__gxx_personality_v0(...)

; 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
declare dso_local noundef i64 @_ZNK2fl17EditDistanceMeter6sumErrEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK2fl17EditDistanceMeter9errorRateEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector.2") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca [5 x double], align 8
  %4 = alloca %"class.std::allocator.4", align 1
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = icmp sgt i64 %5, 0
  %7 = tail call noundef i64 @_ZNK2fl17EditDistanceMeter6sumErrEv(ptr noundef nonnull align 8 dereferenceable(32) %1)
  br i1 %6, label %8, label %26

8:                                                ; preds = %2
  %9 = sitofp i64 %7 to double
  %10 = fmul double %9, 1.000000e+02
  %11 = load i64, ptr %1, align 8, !tbaa !5
  %12 = sitofp i64 %11 to double
  %13 = fdiv double %10, %12
  %14 = getelementptr inbounds i8, ptr %1, i64 8
  %15 = load <2 x i64>, ptr %14, align 8, !tbaa !10
  %16 = sitofp <2 x i64> %15 to <2 x double>
  %17 = fmul <2 x double> %16, <double 1.000000e+02, double 1.000000e+02>
  %18 = insertelement <2 x double> poison, double %12, i64 0
  %19 = shufflevector <2 x double> %18, <2 x double> poison, <2 x i32> zeroinitializer
  %20 = fdiv <2 x double> %17, %19
  %21 = getelementptr inbounds i8, ptr %1, i64 24
  %22 = load i64, ptr %21, align 8, !tbaa !11
  %23 = sitofp i64 %22 to double
  %24 = fmul double %23, 1.000000e+02
  %25 = fdiv double %24, %12
  br label %46

26:                                               ; preds = %2
  %27 = icmp sgt i64 %7, 0
  %28 = tail call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %29 = select i1 %27, double %28, double 0.000000e+00
  %30 = getelementptr inbounds i8, ptr %1, i64 8
  %31 = getelementptr inbounds i8, ptr %1, i64 16
  %32 = load <2 x i64>, ptr %30, align 8
  %33 = tail call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %34 = load i64, ptr %31, align 8, !tbaa !12
  %35 = insertelement <2 x i64> %32, i64 %34, i64 1
  %36 = icmp sgt <2 x i64> %35, zeroinitializer
  %37 = tail call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %38 = insertelement <2 x double> poison, double %33, i64 0
  %39 = insertelement <2 x double> %38, double %37, i64 1
  %40 = select <2 x i1> %36, <2 x double> %39, <2 x double> zeroinitializer
  %41 = getelementptr inbounds i8, ptr %1, i64 24
  %42 = load i64, ptr %41, align 8, !tbaa !11
  %43 = icmp sgt i64 %42, 0
  %44 = tail call noundef double @_ZNSt14numeric_limitsIdE8infinityEv() #3
  %45 = select i1 %43, double %44, double 0.000000e+00
  %.pre = load i64, ptr %1, align 8, !tbaa !5
  %.pre9 = sitofp i64 %.pre to double
  br label %46

46:                                               ; preds = %26, %8
  %.pre-phi = phi double [ %.pre9, %26 ], [ %12, %8 ]
  %.08 = phi double [ %45, %26 ], [ %25, %8 ]
  %.0 = phi double [ %29, %26 ], [ %13, %8 ]
  %47 = phi <2 x double> [ %40, %26 ], [ %20, %8 ]
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #3
  store double %.0, ptr %3, align 8, !tbaa !13
  %48 = getelementptr inbounds i8, ptr %3, i64 8
  store double %.pre-phi, ptr %48, align 8, !tbaa !13
  %49 = getelementptr inbounds i8, ptr %3, i64 16
  store <2 x double> %47, ptr %49, align 8, !tbaa !13
  %50 = getelementptr inbounds i8, ptr %3, i64 32
  store double %.08, ptr %50, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #3
  call void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  invoke void @_ZNSt6vectorIdSaIdEEC2ESt16initializer_listIdERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr nonnull %3, i64 5, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %51 unwind label %52

51:                                               ; preds = %46
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #3
  ret void

52:                                               ; preds = %46
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #3
  resume { ptr, i32 } %53
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNSt14numeric_limitsIdE8infinityEv() local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2ESt16initializer_listIdERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIdED2Ev(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, !7, i64 0}
!6 = !{!"_ZTSN2fl17EditDistanceMeterE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!6, !7, i64 24}
!12 = !{!6, !7, i64 16}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !8, i64 0}


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