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annotate gen/aa.cpp @ 168:08cfde5f70d3 trunk

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[svn r184] fixed an AA helper for giving keys storage, which the runtime needs. tango.text.UnicodeData now compiles.
author lindquist
date Tue, 06 May 2008 02:26:17 +0200
parents a8cd9bc1021a
children db9890b3fb64
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1 #include "gen/llvm.h"
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2
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3 #include "mtype.h"
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4 #include "declaration.h"
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5 #include "aggregate.h"
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6
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7 #include "gen/aa.h"
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8 #include "gen/runtime.h"
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9 #include "gen/tollvm.h"
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10 #include "gen/logger.h"
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11 #include "gen/irstate.h"
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12 #include "gen/dvalue.h"
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13
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14 // makes sure the key value lives in memory so it can be passed to the runtime functions without problems
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15 // returns the pointer
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16 static llvm::Value* to_pkey(DValue* key)
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17 {
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18 Type* keytype = key->getType();
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19 bool needmem = !DtoIsPassedByRef(keytype);
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20 llvm::Value* pkey;
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21 if (key->isIm()) {
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22 pkey = key->getRVal();
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23 }
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24 else if (DVarValue* var = key->isVar()) {
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25 if (var->lval) {
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26 pkey = key->getLVal();
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27 needmem = false;
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28 }
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29 else {
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30 pkey = key->getRVal();
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31 }
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32 }
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33 else if (key->isConst()) {
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34 needmem = true;
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35 pkey = key->getRVal();
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36 }
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37 else {
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38 llvm::Value* tmp = new llvm::AllocaInst(DtoType(keytype), "aatmpkeystorage", gIR->topallocapoint());
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39 DVarValue* var = new DVarValue(keytype, tmp, true);
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40 DtoAssign(var, key);
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41 return tmp;
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42 }
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43
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44 // give memory
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45 if (needmem) {
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46 llvm::Value* tmp = new llvm::AllocaInst(DtoType(keytype), "aatmpkeystorage", gIR->topallocapoint());
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47 DtoStore(pkey, tmp);
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48 pkey = tmp;
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49 }
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50
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51 return pkey;
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52 }
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53
127
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54 // returns the keytype typeinfo
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55 static llvm::Value* to_keyti(DValue* key)
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56 {
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57 // keyti param
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58 Type* keytype = key->getType();
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59 keytype->getTypeInfo(NULL);
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60 TypeInfoDeclaration* tid = keytype->getTypeInfoDeclaration();
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61 assert(tid);
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62 DtoResolveDsymbol(Type::typeinfo);
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63 DtoForceDeclareDsymbol(tid);
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64 assert(gIR->irDsymbol[tid].irGlobal->value);
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65 return gIR->irDsymbol[tid].irGlobal->value;
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66 }
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67
109
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68 /////////////////////////////////////////////////////////////////////////////////////
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69
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70 DValue* DtoAAIndex(Type* type, DValue* aa, DValue* key)
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71 {
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72 // call:
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73 // extern(C) void* _aaGet(AA* aa, TypeInfo keyti, void* pkey, size_t valuesize)
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74
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75 // first get the runtime function
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76 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaGet");
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77 const llvm::FunctionType* funcTy = func->getFunctionType();
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78
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79 // aa param
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80 llvm::Value* aaval = aa->getLVal();
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81 aaval = DtoBitCast(aaval, funcTy->getParamType(0));
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82
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83 // keyti param
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84 llvm::Value* keyti = to_keyti(key);
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85 keyti = DtoBitCast(keyti, funcTy->getParamType(1));
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86
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87 // valuesize param
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88 llvm::Value* valsize = DtoConstSize_t(getABITypeSize(DtoType(type)));
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89
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90 // pkey param
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91 llvm::Value* pkey = to_pkey(key);
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92 pkey = DtoBitCast(pkey, funcTy->getParamType(3));
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93
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94 // build arg vector
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95 std::vector<llvm::Value*> args;
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96 args.push_back(aaval);
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97 args.push_back(keyti);
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98 args.push_back(valsize);
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99 args.push_back(pkey);
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100
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101 // call runtime
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102 llvm::Value* ret = gIR->ir->CreateCall(func, args.begin(), args.end(), "aa.index");
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103
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104 // cast return value
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105 const llvm::Type* targettype = getPtrToType(DtoType(type));
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106 if (ret->getType() != targettype)
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107 ret = DtoBitCast(ret, targettype);
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108
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109 return new DVarValue(type, ret, true);
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110 }
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111
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112 /////////////////////////////////////////////////////////////////////////////////////
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113
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114 DValue* DtoAAIn(Type* type, DValue* aa, DValue* key)
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115 {
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116 // call:
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117 // extern(C) void* _aaIn(AA aa*, TypeInfo keyti, void* pkey)
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118
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119 // first get the runtime function
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120 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaIn");
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121 const llvm::FunctionType* funcTy = func->getFunctionType();
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122
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123 Logger::cout() << "_aaIn = " << *func << '\n';
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124
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125 // aa param
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126 llvm::Value* aaval = aa->getRVal();
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127 Logger::cout() << "aaval: " << *aaval << '\n';
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128 Logger::cout() << "totype: " << *funcTy->getParamType(0) << '\n';
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129 aaval = DtoBitCast(aaval, funcTy->getParamType(0));
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130
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131 // keyti param
127
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132 llvm::Value* keyti = to_keyti(key);
109
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133 keyti = DtoBitCast(keyti, funcTy->getParamType(1));
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134
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135 // pkey param
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136 llvm::Value* pkey = to_pkey(key);
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137 pkey = DtoBitCast(pkey, funcTy->getParamType(2));
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138
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139 // build arg vector
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140 std::vector<llvm::Value*> args;
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141 args.push_back(aaval);
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142 args.push_back(keyti);
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143 args.push_back(pkey);
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144
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145 // call runtime
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146 llvm::Value* ret = gIR->ir->CreateCall(func, args.begin(), args.end(), "aa.in");
109
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147
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148 // cast return value
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149 const llvm::Type* targettype = DtoType(type);
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150 if (ret->getType() != targettype)
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151 ret = DtoBitCast(ret, targettype);
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152
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153 return new DImValue(type, ret);
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154 }
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155
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156 /////////////////////////////////////////////////////////////////////////////////////
127
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157
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158 void DtoAARemove(DValue* aa, DValue* key)
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159 {
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160 // call:
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161 // extern(C) void _aaDel(AA aa, TypeInfo keyti, void* pkey)
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162
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163 // first get the runtime function
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164 llvm::Function* func = LLVM_D_GetRuntimeFunction(gIR->module, "_aaDel");
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165 const llvm::FunctionType* funcTy = func->getFunctionType();
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166
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167 Logger::cout() << "_aaDel = " << *func << '\n';
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168
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169 // aa param
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170 llvm::Value* aaval = aa->getRVal();
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171 Logger::cout() << "aaval: " << *aaval << '\n';
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172 Logger::cout() << "totype: " << *funcTy->getParamType(0) << '\n';
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173 aaval = DtoBitCast(aaval, funcTy->getParamType(0));
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174
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175 // keyti param
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176 llvm::Value* keyti = to_keyti(key);
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177 keyti = DtoBitCast(keyti, funcTy->getParamType(1));
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178
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179 // pkey param
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180 llvm::Value* pkey = to_pkey(key);
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181 pkey = DtoBitCast(pkey, funcTy->getParamType(2));
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182
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183 // build arg vector
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184 std::vector<llvm::Value*> args;
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185 args.push_back(aaval);
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186 args.push_back(keyti);
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187 args.push_back(pkey);
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188
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189 // call runtime
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190 gIR->ir->CreateCall(func, args.begin(), args.end(),"");
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191 }