; LLVM IR from kazunetakahashi/atcoder :: 201510_201609/1014_KUPC_2013 (G2)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@eps = external dso_local global double, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca double, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca double, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  store double 0.000000e+00, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %55, %0
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = icmp sle i32 %12, 40
  br i1 %13, label %15, label %14

14:                                               ; preds = %11
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %58

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 1, ptr %7, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %51, %15
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = icmp sle i32 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %54

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = sitofp i32 %22 to double
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = sitofp i32 %24 to double
  %26 = load i32, ptr %5, align 4, !tbaa !9
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = sub nsw i32 %26, %27
  %29 = add nsw i32 %28, 1
  %30 = sitofp i32 %29 to double
  %31 = fdiv double %25, %30
  %32 = fsub double %23, %31
  %33 = load i32, ptr %5, align 4, !tbaa !9
  %34 = load i32, ptr %7, align 4, !tbaa !9
  %35 = sub nsw i32 %33, %34
  %36 = sitofp i32 %35 to double
  %37 = load i32, ptr %5, align 4, !tbaa !9
  %38 = sitofp i32 %37 to double
  %39 = fdiv double %36, %38
  %40 = fsub double %32, %39
  store double %40, ptr %8, align 8, !tbaa !5
  %41 = load double, ptr %4, align 8, !tbaa !5
  %42 = load double, ptr @eps, align 8, !tbaa !5
  %43 = fadd double %41, %42
  %44 = load double, ptr %8, align 8, !tbaa !5
  %45 = fcmp olt double %43, %44
  br i1 %45, label %46, label %50

46:                                               ; preds = %21
  %47 = load double, ptr %8, align 8, !tbaa !5
  store double %47, ptr %4, align 8, !tbaa !5
  %48 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %48, ptr %3, align 4, !tbaa !9
  %49 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %49, ptr %2, align 4, !tbaa !9
  br label %50

50:                                               ; preds = %46, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %7, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %7, align 4, !tbaa !9
  br label %16, !llvm.loop !11

54:                                               ; preds = %20
  br label %55

55:                                               ; preds = %54
  %56 = load i32, ptr %5, align 4, !tbaa !9
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %5, align 4, !tbaa !9
  br label %11, !llvm.loop !13

58:                                               ; preds = %14
  %59 = load i32, ptr %3, align 4, !tbaa !9
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %59)
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %62

62:                                               ; preds = %98, %58
  %63 = load i32, ptr %9, align 4, !tbaa !9
  %64 = load i32, ptr %3, align 4, !tbaa !9
  %65 = icmp slt i32 %63, %64
  br i1 %65, label %67, label %66

66:                                               ; preds = %62
  store i32 8, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %101

67:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %68

68:                                               ; preds = %93, %67
  %69 = load i32, ptr %10, align 4, !tbaa !9
  %70 = load i32, ptr %3, align 4, !tbaa !9
  %71 = icmp slt i32 %69, %70
  br i1 %71, label %73, label %72

72:                                               ; preds = %68
  store i32 11, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %96

73:                                               ; preds = %68
  %74 = load i32, ptr %9, align 4, !tbaa !9
  %75 = load i32, ptr %10, align 4, !tbaa !9
  %76 = icmp eq i32 %74, %75
  br i1 %76, label %77, label %79

77:                                               ; preds = %73
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %92

79:                                               ; preds = %73
  %80 = load i32, ptr %9, align 4, !tbaa !9
  %81 = load i32, ptr %2, align 4, !tbaa !9
  %82 = icmp sge i32 %80, %81
  br i1 %82, label %87, label %83

83:                                               ; preds = %79
  %84 = load i32, ptr %10, align 4, !tbaa !9
  %85 = load i32, ptr %2, align 4, !tbaa !9
  %86 = icmp sge i32 %84, %85
  br i1 %86, label %87, label %89

87:                                               ; preds = %83, %79
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  br label %91

89:                                               ; preds = %83
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %91

91:                                               ; preds = %89, %87
  br label %92

92:                                               ; preds = %91, %77
  br label %93

93:                                               ; preds = %92
  %94 = load i32, ptr %10, align 4, !tbaa !9
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %10, align 4, !tbaa !9
  br label %68, !llvm.loop !14

96:                                               ; preds = %72
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %98

98:                                               ; preds = %96
  %99 = load i32, ptr %9, align 4, !tbaa !9
  %100 = add nsw i32 %99, 1
  store i32 %100, ptr %9, align 4, !tbaa !9
  br label %62, !llvm.loop !15

101:                                              ; preds = %66
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %102 = load i32, ptr %1, align 4
  ret i32 %102
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

attributes #0 = { mustprogress norecurse 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { 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 #4 = { inlinehint 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 #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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@eps = external dso_local local_unnamed_addr global double, align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = load double, ptr @eps, align 8, !tbaa !5
  br label %.preheader43

.preheader43:                                     ; preds = %0, %16
  %indvars.iv = phi i32 [ 2, %0 ], [ %indvars.iv.next, %16 ]
  %.03151 = phi i32 [ undef, %0 ], [ %.2, %16 ]
  %.03350 = phi i32 [ 1, %0 ], [ %17, %16 ]
  %.03449 = phi double [ 0.000000e+00, %0 ], [ %.236, %16 ]
  %.03748 = phi i32 [ undef, %0 ], [ %.239, %16 ]
  %2 = uitofp nneg i32 %.03350 to double
  br label %18

3:                                                ; preds = %16
  %4 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.239)
  %5 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %6 = icmp sgt i32 %.239, 0
  br i1 %6, label %.preheader.us, label %._crit_edge55

.preheader.us:                                    ; preds = %3, %._crit_edge.us
  %.03053.us = phi i32 [ %12, %._crit_edge.us ], [ 0, %3 ]
  %.not.us = icmp slt i32 %.03053.us, %.2
  %.not.fr.us = freeze i1 %.not.us
  br i1 %.not.fr.us, label %.lr.ph.split.us58, label %.lr.ph.split.us.us

.lr.ph.split.us58:                                ; preds = %.preheader.us, %.lr.ph.split.us58
  %.052.us56 = phi i32 [ %10, %.lr.ph.split.us58 ], [ 0, %.preheader.us ]
  %7 = icmp eq i32 %.03053.us, %.052.us56
  %.not41.us = icmp slt i32 %.052.us56, %.2
  %8 = select i1 %7, i1 true, i1 %.not41.us
  %.str.sink = select i1 %8, ptr @.str, ptr @.str.1
  %9 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %.str.sink)
  %10 = add nuw nsw i32 %.052.us56, 1
  %exitcond62.not = icmp eq i32 %10, %.239
  br i1 %exitcond62.not, label %._crit_edge.us, label %.lr.ph.split.us58, !llvm.loop !9

._crit_edge.us:                                   ; preds = %.lr.ph.split.us.us, %.lr.ph.split.us58
  %11 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %12 = add nuw nsw i32 %.03053.us, 1
  %exitcond63.not = icmp eq i32 %12, %.239
  br i1 %exitcond63.not, label %._crit_edge55, label %.preheader.us, !llvm.loop !11

.lr.ph.split.us.us:                               ; preds = %.preheader.us, %.lr.ph.split.us.us
  %.052.us.us = phi i32 [ %15, %.lr.ph.split.us.us ], [ 0, %.preheader.us ]
  %13 = icmp eq i32 %.03053.us, %.052.us.us
  %.str..str.166 = select i1 %13, ptr @.str, ptr @.str.1
  %14 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %.str..str.166)
  %15 = add nuw nsw i32 %.052.us.us, 1
  %exitcond61.not = icmp eq i32 %15, %.239
  br i1 %exitcond61.not, label %._crit_edge.us, label %.lr.ph.split.us.us, !llvm.loop !9

16:                                               ; preds = %18
  %17 = add nuw nsw i32 %.03350, 1
  %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1
  %exitcond60.not = icmp eq i32 %indvars.iv.next, 42
  br i1 %exitcond60.not, label %3, label %.preheader43, !llvm.loop !12

18:                                               ; preds = %.preheader43, %18
  %.147 = phi i32 [ %.03151, %.preheader43 ], [ %.2, %18 ]
  %.03246 = phi i32 [ 1, %.preheader43 ], [ %30, %18 ]
  %.13545 = phi double [ %.03449, %.preheader43 ], [ %.236, %18 ]
  %.13844 = phi i32 [ %.03748, %.preheader43 ], [ %.239, %18 ]
  %19 = uitofp nneg i32 %.03246 to double
  %20 = sub nsw i32 %.03350, %.03246
  %21 = add nsw i32 %20, 1
  %22 = sitofp i32 %21 to double
  %23 = fdiv double %19, %22
  %24 = fsub double %19, %23
  %25 = sitofp i32 %20 to double
  %26 = fdiv double %25, %2
  %27 = fsub double %24, %26
  %28 = fadd double %.13545, %1
  %29 = fcmp olt double %28, %27
  %.239 = select i1 %29, i32 %.03350, i32 %.13844
  %.236 = select i1 %29, double %27, double %.13545
  %.2 = select i1 %29, i32 %.03246, i32 %.147
  %30 = add nuw nsw i32 %.03246, 1
  %exitcond.not = icmp eq i32 %30, %indvars.iv
  br i1 %exitcond.not, label %16, label %18, !llvm.loop !13

._crit_edge55:                                    ; preds = %._crit_edge.us, %3
  ret i32 0
}

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress norecurse 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 #1 = { "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 = { inlinehint 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" }

!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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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