mirror of
https://github.com/hohn/codeql-workshop-dataflow-c.git
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Choose copy_mem() for ast rendering
This commit is contained in:
Michael Hohn
committed by
=Michael Hohn
=Michael Hohn
parent
92d605aa7a
commit
a24441458a
@@ -1,77 +1,140 @@
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digraph {
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compound=true;
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0[label="[IfStmt] if (...) ... "; ];
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1[label="[VariableAccess] input_types"; ];
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2[label="[FunctionCall] call to DYN_INPUT_TYPE"; ];
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3[label="[Literal] 2"; ];
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4[label="[CStyleCast] (unsigned int)..."; ];
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5[label="[Literal] 1"; ];
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6[label="[CStyleCast] (unsigned int)..."; ];
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7[label="[EQExpr] ... == ..."; ];
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8[label="[ExprStmt] ExprStmt"; ];
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9[label="[FunctionCall] call to memcpy"; ];
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10[label="[VariableAccess] input"; ];
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11[label="[Literal] 1"; ];
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12[label="[ArrayExpr] access to array"; ];
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13[label="[ValueFieldAccess] ptr"; ];
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14[label="[ValueFieldAccess] buf"; ];
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15[label="[VariableAccess] input"; ];
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16[label="[Literal] 0"; ];
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17[label="[ArrayExpr] access to array"; ];
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18[label="[ValueFieldAccess] val"; ];
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19[label="[AddressOfExpr] & ..."; ];
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20[label="[CStyleCast] (const void *)..."; ];
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21[label="[SizeofExprOperator] sizeof(<expr>)"; ];
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22[label="[VariableAccess] input"; ];
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23[label="[Literal] 0"; ];
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24[label="[ArrayExpr] access to array"; ];
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25[label="[ValueFieldAccess] val"; ];
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26[label="[ParenthesisExpr] (...)"; ];
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27[label="[ReturnStmt] return ..."; ];
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28[label="[Literal] 0"; ];
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0[label="[ExprStmt] ExprStmt"; ];
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1[label="[FunctionCall] call to memcpy"; ];
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2[label="[VariableAccess] input"; ];
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3[label="[Literal] 0"; ];
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4[label="[ArrayExpr] access to array"; ];
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5[label="[ValueFieldAccess] ptr"; ];
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6[label="[ValueFieldAccess] buf"; ];
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7[label="[VariableAccess] input"; ];
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8[label="[Literal] 1"; ];
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9[label="[ArrayExpr] access to array"; ];
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10[label="[ValueFieldAccess] ptr"; ];
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11[label="[ValueFieldAccess] buf"; ];
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12[label="[CStyleCast] (const void *)..."; ];
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13[label="[VariableAccess] input"; ];
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14[label="[Literal] 1"; ];
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15[label="[ArrayExpr] access to array"; ];
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16[label="[ValueFieldAccess] ptr"; ];
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17[label="[ValueFieldAccess] size"; ];
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18[label="[ExprStmt] ExprStmt"; ];
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19[label="[FunctionCall] call to copy_mem_nested"; ];
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20[label="[VariableAccess] input"; ];
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21[label="[IfStmt] if (...) ... "; ];
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22[label="[VariableAccess] input_types"; ];
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23[label="[FunctionCall] call to DYN_INPUT_TYPE"; ];
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24[label="[Literal] 1"; ];
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25[label="[CStyleCast] (unsigned int)..."; ];
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26[label="[Literal] 1"; ];
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27[label="[CStyleCast] (unsigned int)..."; ];
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28[label="[NEExpr] ... != ..."; ];
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29[label="[BlockStmt] { ... }"; ];
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30[label="[ExprStmt] ExprStmt"; ];
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31[label="[FunctionCall] call to memcpy"; ];
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32[label="[VariableAccess] input"; ];
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33[label="[Literal] 1"; ];
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33[label="[Literal] 0"; ];
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34[label="[ArrayExpr] access to array"; ];
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35[label="[ValueFieldAccess] ptr"; ];
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36[label="[ValueFieldAccess] buf"; ];
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37[label="[VariableAccess] input"; ];
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38[label="[Literal] 0"; ];
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38[label="[Literal] 1"; ];
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39[label="[ArrayExpr] access to array"; ];
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40[label="[ValueFieldAccess] val"; ];
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41[label="[AddressOfExpr] & ..."; ];
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40[label="[ValueFieldAccess] ptr"; ];
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41[label="[ValueFieldAccess] buf"; ];
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42[label="[CStyleCast] (const void *)..."; ];
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43[label="[SizeofExprOperator] sizeof(<expr>)"; ];
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44[label="[VariableAccess] input"; ];
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45[label="[Literal] 0"; ];
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46[label="[ArrayExpr] access to array"; ];
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47[label="[ValueFieldAccess] val"; ];
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48[label="[ParenthesisExpr] (...)"; ];
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49[label="[ReturnStmt] return ..."; ];
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50[label="[Literal] 1"; ];
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51[label="[BlockStmt] { ... }"; ];
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52[label="[Parameter] input"; ];
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53[label="[Parameter] input_types"; ];
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54[];
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55[label="[TopLevelFunction] int write_val_to_mem(dyn_input_t*, unsigned int)"; ];
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0 -> 7[label="getCondition()"; ];
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2 -> 3[label="getArgument(0)"; ];
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7 -> 1[label="getLeftOperand()"; ];
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8 -> 9[label="getExpr()"; ];
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9 -> 14[label="getArgument(0)"; ];
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12 -> 10[label="getArrayBase()"; ];
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13 -> 12[label="getQualifier()"; ];
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14 -> 13[label="getQualifier()"; ];
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17 -> 15[label="getArrayBase()"; ];
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18 -> 17[label="getQualifier()"; ];
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19 -> 18[label="getOperand()"; ];
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21 -> 25[label="getExprOperand()"; ];
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24 -> 22[label="getArrayBase()"; ];
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25 -> 24[label="getQualifier()"; ];
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27 -> 28[label="getExpr()"; ];
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29 -> 8[label="getStmt(0)"; ];
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43[label="[VariableAccess] input"; ];
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44[label="[Literal] 1"; ];
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45[label="[ArrayExpr] access to array"; ];
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46[label="[ValueFieldAccess] ptr"; ];
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47[label="[ValueFieldAccess] size"; ];
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48[label="[ExprStmt] ExprStmt"; ];
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49[label="[FunctionCall] call to copy_mem_nested"; ];
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50[label="[VariableAccess] input"; ];
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51[label="[IfStmt] if (...) ... "; ];
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52[label="[FunctionCall] call to DYN_INPUT_TYPE"; ];
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53[label="[Literal] 1"; ];
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54[label="[CStyleCast] (unsigned int)..."; ];
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55[label="[Literal] 1"; ];
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56[label="[CStyleCast] (unsigned int)..."; ];
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57[label="[Literal] 100"; ];
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58[label="[CStyleCast] (unsigned int)..."; ];
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59[label="[EQExpr] ... == ..."; ];
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60[label="[ExprStmt] ExprStmt"; ];
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61[label="[FunctionCall] call to memcpy"; ];
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62[label="[VariableAccess] input"; ];
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63[label="[Literal] 0"; ];
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64[label="[ArrayExpr] access to array"; ];
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65[label="[ValueFieldAccess] ptr"; ];
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66[label="[ValueFieldAccess] buf"; ];
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67[label="[VariableAccess] input"; ];
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68[label="[Literal] 1"; ];
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69[label="[ArrayExpr] access to array"; ];
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70[label="[ValueFieldAccess] ptr"; ];
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71[label="[ValueFieldAccess] buf"; ];
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72[label="[CStyleCast] (const void *)..."; ];
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73[label="[VariableAccess] input"; ];
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74[label="[Literal] 1"; ];
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75[label="[ArrayExpr] access to array"; ];
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76[label="[ValueFieldAccess] ptr"; ];
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77[label="[ValueFieldAccess] size"; ];
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78[label="[BlockStmt] { ... }"; ];
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79[label="[IfStmt] if (...) ... "; ];
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80[label="[VariableAccess] input_types"; ];
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81[label="[FunctionCall] call to DYN_INPUT_TYPE"; ];
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82[label="[Literal] 1"; ];
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83[label="[CStyleCast] (unsigned int)..."; ];
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84[label="[Literal] 1"; ];
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85[label="[CStyleCast] (unsigned int)..."; ];
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86[label="[NEExpr] ... != ..."; ];
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87[label="[ReturnStmt] return ..."; ];
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88[label="[Literal] 1"; ];
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89[label="[BlockStmt] { ... }"; ];
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90[label="[ExprStmt] ExprStmt"; ];
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91[label="[FunctionCall] call to memcpy"; ];
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92[label="[VariableAccess] input"; ];
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93[label="[Literal] 0"; ];
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94[label="[ArrayExpr] access to array"; ];
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95[label="[ValueFieldAccess] ptr"; ];
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96[label="[ValueFieldAccess] buf"; ];
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97[label="[VariableAccess] input"; ];
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98[label="[Literal] 1"; ];
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99[label="[ArrayExpr] access to array"; ];
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100[label="[ValueFieldAccess] ptr"; ];
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101[label="[ValueFieldAccess] buf"; ];
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102[label="[CStyleCast] (const void *)..."; ];
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103[label="[VariableAccess] input"; ];
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104[label="[Literal] 1"; ];
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105[label="[ArrayExpr] access to array"; ];
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106[label="[ValueFieldAccess] ptr"; ];
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107[label="[ValueFieldAccess] size"; ];
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108[label="[ExprStmt] ExprStmt"; ];
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109[label="[FunctionCall] call to copy_mem_nested"; ];
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110[label="[VariableAccess] input"; ];
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111[label="[ReturnStmt] return ..."; ];
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112[label="[Literal] 0"; ];
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113[label="[BlockStmt] { ... }"; ];
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114[label="[Parameter] unused"; ];
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115[label="[Parameter] input"; ];
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116[label="[Parameter] input_types"; ];
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117[];
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118[label="[TopLevelFunction] int copy_mem(unsigned int, dyn_input_t*, unsigned int)"; ];
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0 -> 1[label="getExpr()"; ];
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1 -> 6[label="getArgument(0)"; ];
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4 -> 2[label="getArrayBase()"; ];
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5 -> 4[label="getQualifier()"; ];
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6 -> 5[label="getQualifier()"; ];
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9 -> 7[label="getArrayBase()"; ];
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10 -> 9[label="getQualifier()"; ];
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11 -> 10[label="getQualifier()"; ];
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15 -> 13[label="getArrayBase()"; ];
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16 -> 15[label="getQualifier()"; ];
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17 -> 16[label="getQualifier()"; ];
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18 -> 19[label="getExpr()"; ];
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19 -> 20[label="getArgument(0)"; ];
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21 -> 28[label="getCondition()"; ];
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23 -> 24[label="getArgument(0)"; ];
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28 -> 22[label="getLeftOperand()"; ];
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30 -> 31[label="getExpr()"; ];
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31 -> 36[label="getArgument(0)"; ];
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34 -> 32[label="getArrayBase()"; ];
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@@ -79,36 +142,99 @@ digraph {
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36 -> 35[label="getQualifier()"; ];
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39 -> 37[label="getArrayBase()"; ];
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40 -> 39[label="getQualifier()"; ];
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41 -> 40[label="getOperand()"; ];
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43 -> 47[label="getExprOperand()"; ];
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46 -> 44[label="getArrayBase()"; ];
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41 -> 40[label="getQualifier()"; ];
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45 -> 43[label="getArrayBase()"; ];
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46 -> 45[label="getQualifier()"; ];
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47 -> 46[label="getQualifier()"; ];
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49 -> 50[label="getExpr()"; ];
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51 -> 0[label="getStmt(0)"; ];
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55 -> 54[label="<params>"; ];
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54 -> 52[label="getParameter(0)"; ];
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0 -> 29[label="getThen()"; ];
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2 -> 5[label="getArgument(1)"; ];
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7 -> 2[label="getRightOperand()"; ];
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9 -> 19[label="getArgument(1)"; ];
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12 -> 11[label="getArrayOffset()"; ];
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17 -> 16[label="getArrayOffset()"; ];
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21 -> 26[label="getExprOperand().getFullyConverted()"; ];
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24 -> 23[label="getArrayOffset()"; ];
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29 -> 27[label="getStmt(1)"; ];
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48 -> 49[label="getExpr()"; ];
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49 -> 50[label="getArgument(0)"; ];
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51 -> 59[label="getCondition()"; ];
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52 -> 53[label="getArgument(0)"; ];
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59 -> 52[label="getLeftOperand()"; ];
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60 -> 61[label="getExpr()"; ];
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61 -> 66[label="getArgument(0)"; ];
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64 -> 62[label="getArrayBase()"; ];
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65 -> 64[label="getQualifier()"; ];
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66 -> 65[label="getQualifier()"; ];
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69 -> 67[label="getArrayBase()"; ];
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70 -> 69[label="getQualifier()"; ];
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71 -> 70[label="getQualifier()"; ];
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75 -> 73[label="getArrayBase()"; ];
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76 -> 75[label="getQualifier()"; ];
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77 -> 76[label="getQualifier()"; ];
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78 -> 60[label="getStmt(0)"; ];
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79 -> 86[label="getCondition()"; ];
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81 -> 82[label="getArgument(0)"; ];
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86 -> 80[label="getLeftOperand()"; ];
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87 -> 88[label="getExpr()"; ];
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89 -> 87[label="getStmt(0)"; ];
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90 -> 91[label="getExpr()"; ];
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91 -> 96[label="getArgument(0)"; ];
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94 -> 92[label="getArrayBase()"; ];
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95 -> 94[label="getQualifier()"; ];
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96 -> 95[label="getQualifier()"; ];
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99 -> 97[label="getArrayBase()"; ];
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100 -> 99[label="getQualifier()"; ];
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101 -> 100[label="getQualifier()"; ];
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105 -> 103[label="getArrayBase()"; ];
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106 -> 105[label="getQualifier()"; ];
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107 -> 106[label="getQualifier()"; ];
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108 -> 109[label="getExpr()"; ];
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109 -> 110[label="getArgument(0)"; ];
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111 -> 112[label="getExpr()"; ];
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113 -> 0[label="getStmt(0)"; ];
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118 -> 117[label="<params>"; ];
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117 -> 114[label="getParameter(0)"; ];
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1 -> 11[label="getArgument(1)"; ];
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4 -> 3[label="getArrayOffset()"; ];
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9 -> 8[label="getArrayOffset()"; ];
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15 -> 14[label="getArrayOffset()"; ];
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21 -> 29[label="getThen()"; ];
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23 -> 26[label="getArgument(1)"; ];
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28 -> 23[label="getRightOperand()"; ];
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31 -> 41[label="getArgument(1)"; ];
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34 -> 33[label="getArrayOffset()"; ];
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39 -> 38[label="getArrayOffset()"; ];
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43 -> 48[label="getExprOperand().getFullyConverted()"; ];
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46 -> 45[label="getArrayOffset()"; ];
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51 -> 30[label="getStmt(1)"; ];
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55 -> 51[label="getEntryPoint()"; ];
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54 -> 53[label="getParameter(1)"; ];
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2 -> 4[label="getArgument(0).getFullyConverted()"; ];
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9 -> 21[label="getArgument(2)"; ];
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31 -> 43[label="getArgument(2)"; ];
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51 -> 49[label="getStmt(2)"; ];
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2 -> 6[label="getArgument(1).getFullyConverted()"; ];
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9 -> 20[label="getArgument(1).getFullyConverted()"; ];
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45 -> 44[label="getArrayOffset()"; ];
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51 -> 78[label="getThen()"; ];
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52 -> 55[label="getArgument(1)"; ];
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59 -> 57[label="getRightOperand()"; ];
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61 -> 71[label="getArgument(1)"; ];
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64 -> 63[label="getArrayOffset()"; ];
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69 -> 68[label="getArrayOffset()"; ];
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75 -> 74[label="getArrayOffset()"; ];
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79 -> 89[label="getThen()"; ];
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81 -> 84[label="getArgument(1)"; ];
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86 -> 81[label="getRightOperand()"; ];
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91 -> 101[label="getArgument(1)"; ];
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94 -> 93[label="getArrayOffset()"; ];
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99 -> 98[label="getArrayOffset()"; ];
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105 -> 104[label="getArrayOffset()"; ];
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113 -> 18[label="getStmt(1)"; ];
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118 -> 113[label="getEntryPoint()"; ];
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117 -> 115[label="getParameter(1)"; ];
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1 -> 17[label="getArgument(2)"; ];
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23 -> 25[label="getArgument(0).getFullyConverted()"; ];
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31 -> 47[label="getArgument(2)"; ];
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52 -> 54[label="getArgument(0).getFullyConverted()"; ];
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59 -> 58[label="getRightOperand().getFullyConverted()"; ];
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61 -> 77[label="getArgument(2)"; ];
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81 -> 83[label="getArgument(0).getFullyConverted()"; ];
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91 -> 107[label="getArgument(2)"; ];
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113 -> 21[label="getStmt(2)"; ];
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117 -> 116[label="getParameter(2)"; ];
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1 -> 12[label="getArgument(1).getFullyConverted()"; ];
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23 -> 27[label="getArgument(1).getFullyConverted()"; ];
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31 -> 42[label="getArgument(1).getFullyConverted()"; ];
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52 -> 56[label="getArgument(1).getFullyConverted()"; ];
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61 -> 72[label="getArgument(1).getFullyConverted()"; ];
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81 -> 85[label="getArgument(1).getFullyConverted()"; ];
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91 -> 102[label="getArgument(1).getFullyConverted()"; ];
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113 -> 30[label="getStmt(3)"; ];
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113 -> 48[label="getStmt(4)"; ];
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113 -> 51[label="getStmt(5)"; ];
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113 -> 79[label="getStmt(6)"; ];
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113 -> 90[label="getStmt(7)"; ];
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113 -> 108[label="getStmt(8)"; ];
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113 -> 111[label="getStmt(9)"; ];
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}
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