; LLVM IR from DionysiosB/CodeForces :: 1200-1299 (1295B-InfinitePrefixes)

; 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_istream" = type { ptr, i64, %"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 }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 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 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::map", align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i32, align 4
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  br label %18

18:                                               ; preds = %154, %152, %0
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = add nsw i64 %19, -1
  store i64 %20, ptr %2, align 8, !tbaa !5
  %21 = icmp ne i64 %19, 0
  br i1 %21, label %22, label %162

22:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %26 unwind label %32

26:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 48, ptr %8) #6
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 0, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %77, %26
  %28 = load i64, ptr %12, align 8, !tbaa !5
  %29 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  %30 = icmp ult i64 %28, %29
  br i1 %30, label %36, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %84

32:                                               ; preds = %22
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %6, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %7, align 4
  br label %161

36:                                               ; preds = %27
  %37 = load i64, ptr %12, align 8, !tbaa !5
  %38 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %37)
          to label %39 unwind label %80

39:                                               ; preds = %36
  %40 = load i8, ptr %38, align 1, !tbaa !9
  %41 = sext i8 %40 to i32
  %42 = icmp eq i32 %41, 48
  %43 = zext i1 %42 to i32
  %44 = load i64, ptr %12, align 8, !tbaa !5
  %45 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef %44)
          to label %46 unwind label %80

46:                                               ; preds = %39
  %47 = load i8, ptr %45, align 1, !tbaa !9
  %48 = sext i8 %47 to i32
  %49 = icmp eq i32 %48, 49
  %50 = zext i1 %49 to i32
  %51 = sub nsw i32 %43, %50
  %52 = sext i32 %51 to i64
  %53 = load i64, ptr %9, align 8, !tbaa !5
  %54 = add nsw i64 %53, %52
  store i64 %54, ptr %9, align 8, !tbaa !5
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %56 unwind label %80

56:                                               ; preds = %46
  %57 = load i64, ptr %55, align 8, !tbaa !5
  %58 = add nsw i64 %57, 1
  store i64 %58, ptr %55, align 8, !tbaa !5
  %59 = load i64, ptr %10, align 8, !tbaa !5
  %60 = load i64, ptr %9, align 8, !tbaa !5
  %61 = icmp slt i64 %59, %60
  br i1 %61, label %62, label %64

62:                                               ; preds = %56
  %63 = load i64, ptr %10, align 8, !tbaa !5
  br label %66

64:                                               ; preds = %56
  %65 = load i64, ptr %9, align 8, !tbaa !5
  br label %66

66:                                               ; preds = %64, %62
  %67 = phi i64 [ %63, %62 ], [ %65, %64 ]
  store i64 %67, ptr %10, align 8, !tbaa !5
  %68 = load i64, ptr %11, align 8, !tbaa !5
  %69 = load i64, ptr %9, align 8, !tbaa !5
  %70 = icmp sgt i64 %68, %69
  br i1 %70, label %71, label %73

71:                                               ; preds = %66
  %72 = load i64, ptr %11, align 8, !tbaa !5
  br label %75

73:                                               ; preds = %66
  %74 = load i64, ptr %9, align 8, !tbaa !5
  br label %75

75:                                               ; preds = %73, %71
  %76 = phi i64 [ %72, %71 ], [ %74, %73 ]
  store i64 %76, ptr %11, align 8, !tbaa !5
  br label %77

77:                                               ; preds = %75
  %78 = load i64, ptr %12, align 8, !tbaa !5
  %79 = add nsw i64 %78, 1
  store i64 %79, ptr %12, align 8, !tbaa !5
  br label %27, !llvm.loop !10

80:                                               ; preds = %46, %39, %36
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %6, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %160

84:                                               ; preds = %31
  %85 = load i64, ptr %9, align 8, !tbaa !5
  %86 = icmp eq i64 %85, 0
  br i1 %86, label %87, label %107

87:                                               ; preds = %84
  %88 = load i64, ptr %10, align 8, !tbaa !5
  %89 = load i64, ptr %4, align 8, !tbaa !5
  %90 = icmp sle i64 %88, %89
  br i1 %90, label %91, label %95

91:                                               ; preds = %87
  %92 = load i64, ptr %4, align 8, !tbaa !5
  %93 = load i64, ptr %11, align 8, !tbaa !5
  %94 = icmp sle i64 %92, %93
  br label %95

95:                                               ; preds = %91, %87
  %96 = phi i1 [ false, %87 ], [ %94, %91 ]
  %97 = zext i1 %96 to i64
  %98 = select i1 %96, ptr @.str, ptr @.str.1
  %99 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef %98)
          to label %100 unwind label %103

100:                                              ; preds = %95
  %101 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %99, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %102 unwind label %103

102:                                              ; preds = %100
  store i32 2, ptr %13, align 4
  br label %152, !llvm.loop !12

103:                                              ; preds = %100, %95
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %6, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %7, align 4
  br label %160

107:                                              ; preds = %84
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %108 = load i64, ptr %4, align 8, !tbaa !5
  %109 = icmp eq i64 %108, 0
  %110 = zext i1 %109 to i64
  store i64 %110, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %111 = load i64, ptr %10, align 8, !tbaa !5
  store i64 %111, ptr %15, align 8, !tbaa !5
  br label %112

112:                                              ; preds = %139, %107
  %113 = load i64, ptr %15, align 8, !tbaa !5
  %114 = load i64, ptr %11, align 8, !tbaa !5
  %115 = icmp sle i64 %113, %114
  br i1 %115, label %117, label %116

116:                                              ; preds = %112
  store i32 7, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %146

117:                                              ; preds = %112
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %118 = load i64, ptr %4, align 8, !tbaa !5
  %119 = load i64, ptr %15, align 8, !tbaa !5
  %120 = sub nsw i64 %118, %119
  store i64 %120, ptr %16, align 8, !tbaa !5
  %121 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %122 unwind label %142

122:                                              ; preds = %117
  %123 = load i64, ptr %121, align 8, !tbaa !5
  %124 = load i64, ptr %16, align 8, !tbaa !5
  %125 = load i64, ptr %9, align 8, !tbaa !5
  %126 = srem i64 %124, %125
  %127 = icmp eq i64 %126, 0
  br i1 %127, label %128, label %133

128:                                              ; preds = %122
  %129 = load i64, ptr %16, align 8, !tbaa !5
  %130 = load i64, ptr %9, align 8, !tbaa !5
  %131 = sdiv i64 %129, %130
  %132 = icmp sge i64 %131, 0
  br label %133

133:                                              ; preds = %128, %122
  %134 = phi i1 [ false, %122 ], [ %132, %128 ]
  %135 = zext i1 %134 to i64
  %136 = mul nsw i64 %123, %135
  %137 = load i64, ptr %14, align 8, !tbaa !5
  %138 = add nsw i64 %137, %136
  store i64 %138, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %139

139:                                              ; preds = %133
  %140 = load i64, ptr %15, align 8, !tbaa !5
  %141 = add nsw i64 %140, 1
  store i64 %141, ptr %15, align 8, !tbaa !5
  br label %112, !llvm.loop !13

142:                                              ; preds = %117
  %143 = landingpad { ptr, i32 }
          cleanup
  %144 = extractvalue { ptr, i32 } %143, 0
  store ptr %144, ptr %6, align 8
  %145 = extractvalue { ptr, i32 } %143, 1
  store i32 %145, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %159

146:                                              ; preds = %116
  %147 = load i64, ptr %14, align 8, !tbaa !5
  %148 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %147)
          to label %149 unwind label %155

149:                                              ; preds = %146
  %150 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %148, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %151 unwind label %155

151:                                              ; preds = %149
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  store i32 0, ptr %13, align 4
  br label %152

152:                                              ; preds = %151, %102
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  %153 = load i32, ptr %13, align 4
  switch i32 %153, label %169 [
    i32 0, label %154
    i32 2, label %18
  ]

154:                                              ; preds = %152
  br label %18, !llvm.loop !12

155:                                              ; preds = %149, %146
  %156 = landingpad { ptr, i32 }
          cleanup
  %157 = extractvalue { ptr, i32 } %156, 0
  store ptr %157, ptr %6, align 8
  %158 = extractvalue { ptr, i32 } %156, 1
  store i32 %158, ptr %7, align 4
  br label %159

159:                                              ; preds = %155, %142
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %160

160:                                              ; preds = %159, %103, %80
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %8) #6
  br label %161

161:                                              ; preds = %160, %32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %164

162:                                              ; preds = %18
  store i32 0, ptr %1, align 4
  store i32 1, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %163 = load i32, ptr %1, align 4
  ret i32 %163

164:                                              ; preds = %161
  %165 = load ptr, ptr %6, align 8
  %166 = load i32, ptr %7, align 4
  %167 = insertvalue { ptr, i32 } poison, ptr %165, 0
  %168 = insertvalue { ptr, i32 } %167, i32 %166, 1
  resume { ptr, i32 } %168

169:                                              ; preds = %152
  unreachable
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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

; 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) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #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)) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

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 = { 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 = { 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 = { "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 = { 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 #6 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


; 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_istream" = type { ptr, i64, %"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 }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long, std::pair<const long, long>, std::_Select1st<std::pair<const long, long>>, std::less<long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 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 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::map", align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %1, align 8, !tbaa !5
  %.not46 = icmp eq i64 %9, 0
  br i1 %.not46, label %._crit_edge49, label %.lr.ph48

.lr.ph48:                                         ; preds = %0, %72
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %14 unwind label %19

14:                                               ; preds = %.lr.ph48
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %5) #7
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  store i64 0, ptr %6, align 8, !tbaa !5
  %15 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %.not50 = icmp eq i64 %15, 0
  br i1 %.not50, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %32, %14
  %.020.lcssa = phi i64 [ 0, %14 ], [ %36, %32 ]
  %.019.lcssa = phi i64 [ 0, %14 ], [ %37, %32 ]
  %16 = load i64, ptr %6, align 8, !tbaa !5
  %17 = icmp eq i64 %16, 0
  %18 = load i64, ptr %3, align 8
  br i1 %17, label %43, label %.lr.ph43.preheader

19:                                               ; preds = %.lr.ph48
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %78

.lr.ph:                                           ; preds = %14, %32
  %.01837 = phi i64 [ %38, %32 ], [ 0, %14 ]
  %.01936 = phi i64 [ %37, %32 ], [ 0, %14 ]
  %.02035 = phi i64 [ %36, %32 ], [ 0, %14 ]
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.01837)
  %22 = load i8, ptr %21, align 1, !tbaa !9
  %23 = icmp eq i8 %22, 48
  %24 = zext i1 %23 to i64
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.01837)
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = icmp eq i8 %26, 49
  %.neg = sext i1 %27 to i64
  %28 = load i64, ptr %6, align 8, !tbaa !5
  %29 = add i64 %28, %24
  %30 = add i64 %29, %.neg
  store i64 %30, ptr %6, align 8, !tbaa !5
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %32 unwind label %41

32:                                               ; preds = %.lr.ph
  %33 = load i64, ptr %31, align 8, !tbaa !5
  %34 = add nsw i64 %33, 1
  store i64 %34, ptr %31, align 8, !tbaa !5
  %35 = load i64, ptr %6, align 8
  %36 = call i64 @llvm.smin.i64(i64 %.02035, i64 %35)
  %37 = call i64 @llvm.smax.i64(i64 %.01936, i64 %35)
  %38 = add nuw nsw i64 %.01837, 1
  %39 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  %40 = icmp ult i64 %38, %39
  br i1 %40, label %.lr.ph, label %._crit_edge, !llvm.loop !10

41:                                               ; preds = %.lr.ph
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %77

43:                                               ; preds = %._crit_edge
  %44 = icmp sle i64 %.020.lcssa, %18
  %45 = icmp sle i64 %18, %.019.lcssa
  %46 = select i1 %44, i1 %45, i1 false
  %47 = select i1 %46, ptr @.str, ptr @.str.1
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %47)
          to label %49 unwind label %51

49:                                               ; preds = %43
  %50 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %48, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %72 unwind label %51, !llvm.loop !12

51:                                               ; preds = %49, %43
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %77

.lr.ph43.preheader:                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #7
  store i64 %.020.lcssa, ptr %7, align 8, !tbaa !5
  %53 = icmp eq i64 %18, 0
  %54 = zext i1 %53 to i64
  br label %.lr.ph43

._crit_edge44:                                    ; preds = %.thread
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %65)
          to label %70 unwind label %75

.lr.ph43:                                         ; preds = %.lr.ph43.preheader, %.thread
  %.041 = phi i64 [ %65, %.thread ], [ %54, %.lr.ph43.preheader ]
  %storemerge40 = phi i64 [ %67, %.thread ], [ %.020.lcssa, %.lr.ph43.preheader ]
  %56 = load i64, ptr %3, align 8, !tbaa !5
  %57 = sub nsw i64 %56, %storemerge40
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %.thread unwind label %68

.thread:                                          ; preds = %.lr.ph43
  %59 = load i64, ptr %6, align 8, !tbaa !5
  %60 = srem i64 %57, %59
  %61 = sdiv i64 %57, %59
  %62 = icmp eq i64 %60, 0
  %63 = load i64, ptr %58, align 8
  %.fr = freeze i64 %61
  %.inv = icmp slt i64 %.fr, 0
  %spec.select = select i1 %.inv, i64 0, i64 %63
  %64 = select i1 %62, i64 %spec.select, i64 0
  %65 = add nsw i64 %64, %.041
  %66 = load i64, ptr %7, align 8, !tbaa !5
  %67 = add nsw i64 %66, 1
  store i64 %67, ptr %7, align 8, !tbaa !5
  %.not26.not = icmp slt i64 %66, %.019.lcssa
  br i1 %.not26.not, label %.lr.ph43, label %._crit_edge44, !llvm.loop !13

68:                                               ; preds = %.lr.ph43
  %69 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #7
  br label %77

70:                                               ; preds = %._crit_edge44
  %71 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %72 unwind label %75

72:                                               ; preds = %70, %49
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  %73 = load i64, ptr %1, align 8, !tbaa !5
  %74 = add nsw i64 %73, -1
  store i64 %74, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %73, 0
  br i1 %.not, label %._crit_edge49, label %.lr.ph48

75:                                               ; preds = %70, %._crit_edge44
  %76 = landingpad { ptr, i32 }
          cleanup
  br label %77

77:                                               ; preds = %68, %75, %51, %41
  %.pn28 = phi { ptr, i32 } [ %42, %41 ], [ %52, %51 ], [ %69, %68 ], [ %76, %75 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #7
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %5) #7
  br label %78

78:                                               ; preds = %77, %19
  %.pn28.pn = phi { ptr, i32 } [ %.pn28, %77 ], [ %20, %19 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn28.pn

._crit_edge49:                                    ; preds = %72, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEEixERS3_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_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) #1

; 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 #5

; 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)) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapIllSt4lessIlESaISt4pairIKllEEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #6

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #6

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { "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 = { 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 #6 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


; Effective O3 passes: DivRemPairsPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass