; LLVM IR from DionysiosB/CodeForces :: 0900-0999 (989B-ATideOfRiverscape)

; 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] }

@_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

; 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 %"class.std::__cxx11::basic_string", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i8, align 1
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %14 = 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)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %16 = 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 %17 unwind label %23

17:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  store i8 0, ptr %7, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %18

18:                                               ; preds = %148, %17
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = load i64, ptr %3, align 8, !tbaa !9
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %27, label %22

22:                                               ; preds = %18
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %151

23:                                               ; preds = %0
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %5, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %6, align 4
  br label %196

27:                                               ; preds = %18
  %28 = load i64, ptr %8, align 8, !tbaa !9
  %29 = load i64, ptr %3, align 8, !tbaa !9
  %30 = add nsw i64 %28, %29
  %31 = load i64, ptr %2, align 8, !tbaa !9
  %32 = icmp sge i64 %30, %31
  br i1 %32, label %33, label %34

33:                                               ; preds = %27
  br label %148

34:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  store i8 0, ptr %10, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %35 = load i64, ptr %8, align 8, !tbaa !9
  %36 = load i64, ptr %3, align 8, !tbaa !9
  %37 = add nsw i64 %35, %36
  store i64 %37, ptr %11, align 8, !tbaa !9
  br label %38

38:                                               ; preds = %134, %34
  %39 = load i64, ptr %11, align 8, !tbaa !9
  %40 = load i64, ptr %2, align 8, !tbaa !9
  %41 = icmp slt i64 %39, %40
  br i1 %41, label %43, label %42

42:                                               ; preds = %38
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  br label %138

43:                                               ; preds = %38
  %44 = load i64, ptr %8, align 8, !tbaa !9
  %45 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %44)
          to label %46 unwind label %88

46:                                               ; preds = %43
  %47 = load i8, ptr %45, align 1, !tbaa !11
  %48 = sext i8 %47 to i32
  %49 = icmp eq i32 %48, 46
  br i1 %49, label %50, label %57

50:                                               ; preds = %46
  %51 = load i64, ptr %11, align 8, !tbaa !9
  %52 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %51)
          to label %53 unwind label %88

53:                                               ; preds = %50
  %54 = load i8, ptr %52, align 1, !tbaa !11
  %55 = sext i8 %54 to i32
  %56 = icmp eq i32 %55, 46
  br i1 %56, label %69, label %57

57:                                               ; preds = %53, %46
  %58 = load i64, ptr %11, align 8, !tbaa !9
  %59 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %58)
          to label %60 unwind label %88

60:                                               ; preds = %57
  %61 = load i8, ptr %59, align 1, !tbaa !11
  %62 = sext i8 %61 to i32
  %63 = load i64, ptr %8, align 8, !tbaa !9
  %64 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %63)
          to label %65 unwind label %88

65:                                               ; preds = %60
  %66 = load i8, ptr %64, align 1, !tbaa !11
  %67 = sext i8 %66 to i32
  %68 = icmp ne i32 %62, %67
  br i1 %68, label %69, label %133

69:                                               ; preds = %65, %53
  %70 = load i64, ptr %8, align 8, !tbaa !9
  %71 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %70)
          to label %72 unwind label %88

72:                                               ; preds = %69
  %73 = load i8, ptr %71, align 1, !tbaa !11
  %74 = sext i8 %73 to i32
  %75 = load i64, ptr %11, align 8, !tbaa !9
  %76 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %75)
          to label %77 unwind label %88

77:                                               ; preds = %72
  %78 = load i8, ptr %76, align 1, !tbaa !11
  %79 = sext i8 %78 to i32
  %80 = icmp eq i32 %74, %79
  br i1 %80, label %81, label %92

81:                                               ; preds = %77
  %82 = load i64, ptr %8, align 8, !tbaa !9
  %83 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %82)
          to label %84 unwind label %88

84:                                               ; preds = %81
  store i8 48, ptr %83, align 1, !tbaa !11
  %85 = load i64, ptr %11, align 8, !tbaa !9
  %86 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %85)
          to label %87 unwind label %88

87:                                               ; preds = %84
  store i8 49, ptr %86, align 1, !tbaa !11
  br label %132

88:                                               ; preds = %121, %118, %111, %102, %99, %92, %84, %81, %72, %69, %60, %57, %50, %43
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %5, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %195

92:                                               ; preds = %77
  %93 = load i64, ptr %8, align 8, !tbaa !9
  %94 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %93)
          to label %95 unwind label %88

95:                                               ; preds = %92
  %96 = load i8, ptr %94, align 1, !tbaa !11
  %97 = sext i8 %96 to i32
  %98 = icmp eq i32 %97, 46
  br i1 %98, label %99, label %111

99:                                               ; preds = %95
  %100 = load i64, ptr %11, align 8, !tbaa !9
  %101 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %100)
          to label %102 unwind label %88

102:                                              ; preds = %99
  %103 = load i8, ptr %101, align 1, !tbaa !11
  %104 = sext i8 %103 to i32
  %105 = icmp eq i32 %104, 48
  %106 = zext i1 %105 to i64
  %107 = select i1 %105, i8 49, i8 48
  %108 = load i64, ptr %8, align 8, !tbaa !9
  %109 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %108)
          to label %110 unwind label %88

110:                                              ; preds = %102
  store i8 %107, ptr %109, align 1, !tbaa !11
  br label %131

111:                                              ; preds = %95
  %112 = load i64, ptr %11, align 8, !tbaa !9
  %113 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %112)
          to label %114 unwind label %88

114:                                              ; preds = %111
  %115 = load i8, ptr %113, align 1, !tbaa !11
  %116 = sext i8 %115 to i32
  %117 = icmp eq i32 %116, 46
  br i1 %117, label %118, label %130

118:                                              ; preds = %114
  %119 = load i64, ptr %8, align 8, !tbaa !9
  %120 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %119)
          to label %121 unwind label %88

121:                                              ; preds = %118
  %122 = load i8, ptr %120, align 1, !tbaa !11
  %123 = sext i8 %122 to i32
  %124 = icmp eq i32 %123, 48
  %125 = zext i1 %124 to i64
  %126 = select i1 %124, i8 49, i8 48
  %127 = load i64, ptr %11, align 8, !tbaa !9
  %128 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %127)
          to label %129 unwind label %88

129:                                              ; preds = %121
  store i8 %126, ptr %128, align 1, !tbaa !11
  br label %130

130:                                              ; preds = %129, %114
  br label %131

131:                                              ; preds = %130, %110
  br label %132

132:                                              ; preds = %131, %87
  store i8 1, ptr %10, align 1, !tbaa !5
  br label %133

133:                                              ; preds = %132, %65
  br label %134

134:                                              ; preds = %133
  %135 = load i64, ptr %3, align 8, !tbaa !9
  %136 = load i64, ptr %11, align 8, !tbaa !9
  %137 = add nsw i64 %136, %135
  store i64 %137, ptr %11, align 8, !tbaa !9
  br label %38, !llvm.loop !12

138:                                              ; preds = %42
  %139 = load i8, ptr %10, align 1, !tbaa !5, !range !14, !noundef !15
  %140 = trunc i8 %139 to i1
  %141 = zext i1 %140 to i32
  %142 = load i8, ptr %7, align 1, !tbaa !5, !range !14, !noundef !15
  %143 = trunc i8 %142 to i1
  %144 = zext i1 %143 to i32
  %145 = or i32 %144, %141
  %146 = icmp ne i32 %145, 0
  %147 = zext i1 %146 to i8
  store i8 %147, ptr %7, align 1, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  br label %148

148:                                              ; preds = %138, %33
  %149 = load i64, ptr %8, align 8, !tbaa !9
  %150 = add nsw i64 %149, 1
  store i64 %150, ptr %8, align 8, !tbaa !9
  br label %18, !llvm.loop !16

151:                                              ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 0, ptr %12, align 8, !tbaa !9
  br label %152

152:                                              ; preds = %173, %151
  %153 = load i64, ptr %12, align 8, !tbaa !9
  %154 = load i64, ptr %2, align 8, !tbaa !9
  %155 = icmp slt i64 %153, %154
  br i1 %155, label %157, label %156

156:                                              ; preds = %152
  store i32 8, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %176

157:                                              ; preds = %152
  %158 = load i64, ptr %12, align 8, !tbaa !9
  %159 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %158)
          to label %160 unwind label %168

160:                                              ; preds = %157
  %161 = load i8, ptr %159, align 1, !tbaa !11
  %162 = sext i8 %161 to i32
  %163 = icmp eq i32 %162, 46
  br i1 %163, label %164, label %172

164:                                              ; preds = %160
  %165 = load i64, ptr %12, align 8, !tbaa !9
  %166 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %165)
          to label %167 unwind label %168

167:                                              ; preds = %164
  store i8 49, ptr %166, align 1, !tbaa !11
  br label %172

168:                                              ; preds = %164, %157
  %169 = landingpad { ptr, i32 }
          cleanup
  %170 = extractvalue { ptr, i32 } %169, 0
  store ptr %170, ptr %5, align 8
  %171 = extractvalue { ptr, i32 } %169, 1
  store i32 %171, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %195

172:                                              ; preds = %167, %160
  br label %173

173:                                              ; preds = %172
  %174 = load i64, ptr %12, align 8, !tbaa !9
  %175 = add nsw i64 %174, 1
  store i64 %175, ptr %12, align 8, !tbaa !9
  br label %152, !llvm.loop !17

176:                                              ; preds = %156
  %177 = load i8, ptr %7, align 1, !tbaa !5, !range !14, !noundef !15
  %178 = trunc i8 %177 to i1
  br i1 %178, label %179, label %188

179:                                              ; preds = %176
  %180 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %181 unwind label %184

181:                                              ; preds = %179
  %182 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %180, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %183 unwind label %184

183:                                              ; preds = %181
  br label %193

184:                                              ; preds = %190, %188, %181, %179
  %185 = landingpad { ptr, i32 }
          cleanup
  %186 = extractvalue { ptr, i32 } %185, 0
  store ptr %186, ptr %5, align 8
  %187 = extractvalue { ptr, i32 } %185, 1
  store i32 %187, ptr %6, align 4
  br label %195

188:                                              ; preds = %176
  %189 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %190 unwind label %184

190:                                              ; preds = %188
  %191 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %189, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %192 unwind label %184

192:                                              ; preds = %190
  br label %193

193:                                              ; preds = %192, %183
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, 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
  %194 = load i32, ptr %1, align 4
  ret i32 %194

195:                                              ; preds = %184, %168, %88
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  br label %196

196:                                              ; preds = %195, %23
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, 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 %197

197:                                              ; preds = %196
  %198 = load ptr, ptr %5, align 8
  %199 = load i32, ptr %6, align 4
  %200 = insertvalue { ptr, i32 } poison, ptr %198, 0
  %201 = insertvalue { ptr, i32 } %200, i32 %199, 1
  resume { ptr, i32 } %201
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; 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)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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)) #1

declare i32 @__gxx_personality_v0(...)

; 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) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #5

; 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)) #5

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{i8 0, i8 2}
!15 = !{}
!16 = distinct !{!16, !13}
!17 = distinct !{!17, !13}


; 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] }

@_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

; 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 %"class.std::__cxx11::basic_string", align 8
  %4 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %5 = 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)
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %7 = 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) %3)
          to label %.preheader41 unwind label %12

.preheader41:                                     ; preds = %0
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = icmp sgt i64 %8, 0
  %.pre51 = load i64, ptr %1, align 8, !tbaa !5
  br i1 %9, label %.lr.ph46, label %.preheader

.preheader:                                       ; preds = %63, %.preheader41
  %10 = phi i64 [ %.pre51, %.preheader41 ], [ %65, %63 ]
  %.032.lcssa = phi i1 [ false, %.preheader41 ], [ %.133, %63 ]
  %11 = icmp sgt i64 %10, 0
  br i1 %11, label %.lr.ph49, label %._crit_edge50

12:                                               ; preds = %0
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %87

.lr.ph46:                                         ; preds = %.preheader41, %63
  %14 = phi i64 [ %64, %63 ], [ %8, %.preheader41 ]
  %15 = phi i64 [ %65, %63 ], [ %.pre51, %.preheader41 ]
  %16 = phi i64 [ %66, %63 ], [ %.pre51, %.preheader41 ]
  %.03145 = phi i64 [ %67, %63 ], [ 0, %.preheader41 ]
  %.03244 = phi i1 [ %.133, %63 ], [ false, %.preheader41 ]
  %17 = add nsw i64 %14, %.03145
  %.not = icmp slt i64 %17, %16
  br i1 %.not, label %.preheader40, label %63

.preheader40:                                     ; preds = %.lr.ph46
  %18 = icmp slt i64 %17, %15
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %58, %.preheader40
  %19 = phi i64 [ %14, %.preheader40 ], [ %59, %58 ]
  %20 = phi i64 [ %15, %.preheader40 ], [ %61, %58 ]
  %.030.lcssa = phi i1 [ false, %.preheader40 ], [ %.1, %58 ]
  %21 = or i1 %.03244, %.030.lcssa
  br label %63

.lr.ph:                                           ; preds = %.preheader40, %58
  %.02943 = phi i64 [ %60, %58 ], [ %17, %.preheader40 ]
  %.03042 = phi i1 [ %.1, %58 ], [ false, %.preheader40 ]
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.03145)
  %23 = load i8, ptr %22, align 1, !tbaa !9
  %24 = icmp eq i8 %23, 46
  br i1 %24, label %25, label %29

25:                                               ; preds = %.lr.ph
  %26 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02943)
  %27 = load i8, ptr %26, align 1, !tbaa !9
  %28 = icmp eq i8 %27, 46
  br i1 %28, label %34, label %29

29:                                               ; preds = %25, %.lr.ph
  %30 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02943)
  %31 = load i8, ptr %30, align 1, !tbaa !9
  %32 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.03145)
  %33 = load i8, ptr %32, align 1, !tbaa !9
  %.not39 = icmp eq i8 %31, %33
  br i1 %.not39, label %58, label %34

34:                                               ; preds = %29, %25
  %35 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.03145)
  %36 = load i8, ptr %35, align 1, !tbaa !9
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02943)
  %38 = load i8, ptr %37, align 1, !tbaa !9
  %39 = icmp eq i8 %36, %38
  %40 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.03145)
  br i1 %39, label %41, label %42

41:                                               ; preds = %34
  store i8 48, ptr %40, align 1, !tbaa !9
  br label %.sink.split

42:                                               ; preds = %34
  %43 = load i8, ptr %40, align 1, !tbaa !9
  %44 = icmp eq i8 %43, 46
  %45 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02943)
  %46 = load i8, ptr %45, align 1, !tbaa !9
  br i1 %44, label %47, label %50

47:                                               ; preds = %42
  %48 = icmp eq i8 %46, 48
  %49 = select i1 %48, i8 49, i8 48
  br label %.sink.split

50:                                               ; preds = %42
  %51 = icmp eq i8 %46, 46
  br i1 %51, label %52, label %58

52:                                               ; preds = %50
  %53 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.03145)
  %54 = load i8, ptr %53, align 1, !tbaa !9
  %55 = icmp eq i8 %54, 48
  %56 = select i1 %55, i8 49, i8 48
  br label %.sink.split

.sink.split:                                      ; preds = %47, %52, %41
  %.02943.sink = phi i64 [ %.02943, %41 ], [ %.02943, %52 ], [ %.03145, %47 ]
  %.sink = phi i8 [ 49, %41 ], [ %56, %52 ], [ %49, %47 ]
  %57 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.02943.sink)
  store i8 %.sink, ptr %57, align 1, !tbaa !9
  br label %58

58:                                               ; preds = %.sink.split, %50, %29
  %.1 = phi i1 [ %.03042, %29 ], [ true, %50 ], [ true, %.sink.split ]
  %59 = load i64, ptr %2, align 8, !tbaa !5
  %60 = add nsw i64 %59, %.02943
  %61 = load i64, ptr %1, align 8, !tbaa !5
  %62 = icmp slt i64 %60, %61
  br i1 %62, label %.lr.ph, label %._crit_edge, !llvm.loop !10

63:                                               ; preds = %.lr.ph46, %._crit_edge
  %64 = phi i64 [ %14, %.lr.ph46 ], [ %19, %._crit_edge ]
  %65 = phi i64 [ %15, %.lr.ph46 ], [ %20, %._crit_edge ]
  %66 = phi i64 [ %16, %.lr.ph46 ], [ %20, %._crit_edge ]
  %.133 = phi i1 [ %.03244, %.lr.ph46 ], [ %21, %._crit_edge ]
  %67 = add nuw nsw i64 %.03145, 1
  %68 = icmp slt i64 %67, %64
  br i1 %68, label %.lr.ph46, label %.preheader, !llvm.loop !12

._crit_edge50:                                    ; preds = %74, %.preheader
  br i1 %.032.lcssa, label %78, label %82

.lr.ph49:                                         ; preds = %.preheader, %74
  %.048 = phi i64 [ %75, %74 ], [ 0, %.preheader ]
  %69 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.048)
  %70 = load i8, ptr %69, align 1, !tbaa !9
  %71 = icmp eq i8 %70, 46
  br i1 %71, label %72, label %74

72:                                               ; preds = %.lr.ph49
  %73 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %.048)
  store i8 49, ptr %73, align 1, !tbaa !9
  br label %74

74:                                               ; preds = %.lr.ph49, %72
  %75 = add nuw nsw i64 %.048, 1
  %76 = load i64, ptr %1, align 8, !tbaa !5
  %77 = icmp slt i64 %75, %76
  br i1 %77, label %.lr.ph49, label %._crit_edge50, !llvm.loop !13

78:                                               ; preds = %._crit_edge50
  %79 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %.invoke unwind label %80

80:                                               ; preds = %.invoke, %82, %78
  %81 = landingpad { ptr, i32 }
          cleanup
  br label %87

82:                                               ; preds = %._crit_edge50
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %.invoke unwind label %80

.invoke:                                          ; preds = %78, %82
  %84 = phi ptr [ %83, %82 ], [ %79, %78 ]
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %86 unwind label %80

86:                                               ; preds = %.invoke
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

87:                                               ; preds = %80, %12
  %.pn = phi { ptr, i32 } [ %81, %80 ], [ %13, %12 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; 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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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 #1

declare i32 @__gxx_personality_v0(...)

; 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 #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) 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 #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)) #5

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 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 = { "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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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}


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