Mercurial > projects > ldc
annotate gen/tocall.cpp @ 1351:8d501abecd24
Initial (but disabled) fix for ticket #294 , the actual part that fixes the bug is in a #if 0 block as I'm afraid it will cause regressions. I'm most likely not going to be around tonight, and maybe not tomorrow as well, so I'm pushing it in case someone wants to run some serious testing/investigate the problem noted in llvmhelpers.cpp : realignOffset .
author | Tomas Lindquist Olsen <tomas.l.olsen gmail com> |
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date | Thu, 14 May 2009 17:20:17 +0200 |
parents | 15e9762bb620 |
children | 46f6365a50d7 |
rev | line source |
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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 |
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6 #include "gen/tollvm.h" |
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7 #include "gen/llvmhelpers.h" |
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8 #include "gen/irstate.h" |
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9 #include "gen/dvalue.h" |
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10 #include "gen/functions.h" |
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11 #include "gen/abi.h" |
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12 #include "gen/nested.h" |
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13 |
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14 #include "gen/logger.h" |
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15 |
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16 ////////////////////////////////////////////////////////////////////////////////////////// |
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17 |
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18 TypeFunction* DtoTypeFunction(DValue* fnval) |
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19 { |
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20 Type* type = fnval->getType()->toBasetype(); |
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21 if (type->ty == Tfunction) |
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22 { |
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23 return (TypeFunction*)type; |
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24 } |
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25 else if (type->ty == Tdelegate) |
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26 { |
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27 Type* next = type->nextOf(); |
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28 assert(next->ty == Tfunction); |
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29 return (TypeFunction*)next; |
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30 } |
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31 |
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32 assert(0 && "cant get TypeFunction* from non lazy/function/delegate"); |
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33 return 0; |
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34 } |
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35 |
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36 ////////////////////////////////////////////////////////////////////////////////////////// |
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37 |
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38 unsigned DtoCallingConv(Loc loc, LINK l) |
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39 { |
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40 if (l == LINKc || l == LINKcpp || l == LINKintrinsic) |
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41 return llvm::CallingConv::C; |
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42 else if (l == LINKd || l == LINKdefault) |
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43 { |
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44 //TODO: StdCall is not a good base on Windows due to extra name mangling |
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45 // applied there |
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46 if (global.params.cpu == ARCHx86) |
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47 return (global.params.os != OSWindows) ? llvm::CallingConv::X86_StdCall : llvm::CallingConv::C; |
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48 else |
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49 return llvm::CallingConv::Fast; |
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50 } |
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51 // on the other hand, here, it's exactly what we want!!! TODO: right? |
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52 else if (l == LINKwindows) |
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53 return llvm::CallingConv::X86_StdCall; |
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54 else |
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55 { |
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56 error(loc, "unsupported calling convention"); |
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57 fatal(); |
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58 } |
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59 } |
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60 |
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61 ////////////////////////////////////////////////////////////////////////////////////////// |
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62 |
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63 DValue* DtoVaArg(Loc& loc, Type* type, Expression* valistArg) |
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64 { |
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65 DValue* expelem = valistArg->toElem(gIR); |
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66 const LLType* llt = DtoType(type); |
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67 if (DtoIsPassedByRef(type)) |
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68 llt = getPtrToType(llt); |
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69 // issue a warning for broken va_arg instruction. |
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70 if (global.params.cpu != ARCHx86) |
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71 warning("%s: va_arg for C variadic functions is probably broken for anything but x86", loc.toChars()); |
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72 // done |
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73 return new DImValue(type, gIR->ir->CreateVAArg(expelem->getLVal(), llt, "tmp")); |
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74 } |
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75 |
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76 ////////////////////////////////////////////////////////////////////////////////////////// |
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77 |
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78 LLValue* DtoCallableValue(DValue* fn) |
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79 { |
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80 Type* type = fn->getType()->toBasetype(); |
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81 if (type->ty == Tfunction) |
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82 { |
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83 return fn->getRVal(); |
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84 } |
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85 else if (type->ty == Tdelegate) |
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86 { |
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87 if (fn->isLVal()) |
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88 { |
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89 LLValue* dg = fn->getLVal(); |
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90 LLValue* funcptr = DtoGEPi(dg, 0, 1); |
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91 return DtoLoad(funcptr); |
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92 } |
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93 else |
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94 { |
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95 LLValue* dg = fn->getRVal(); |
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96 assert(isaStruct(dg)); |
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97 return gIR->ir->CreateExtractValue(dg, 1, ".funcptr"); |
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98 } |
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99 } |
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100 else |
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101 { |
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102 assert(0 && "not a callable type"); |
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103 return NULL; |
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104 } |
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105 } |
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106 |
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107 ////////////////////////////////////////////////////////////////////////////////////////// |
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108 |
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109 const LLFunctionType* DtoExtractFunctionType(const LLType* type) |
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110 { |
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111 if (const LLFunctionType* fty = isaFunction(type)) |
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112 return fty; |
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113 else if (const LLPointerType* pty = isaPointer(type)) |
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114 { |
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115 if (const LLFunctionType* fty = isaFunction(pty->getElementType())) |
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116 return fty; |
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117 } |
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118 return NULL; |
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119 } |
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120 |
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121 ////////////////////////////////////////////////////////////////////////////////////////// |
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122 |
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123 void DtoBuildDVarArgList(std::vector<LLValue*>& args, std::vector<llvm::AttributeWithIndex>& attrs, TypeFunction* tf, Expressions* arguments, size_t argidx) |
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124 { |
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125 Logger::println("doing d-style variadic arguments"); |
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126 LOG_SCOPE |
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127 |
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128 std::vector<const LLType*> vtypes; |
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129 |
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130 // number of non variadic args |
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131 int begin = Argument::dim(tf->parameters); |
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132 Logger::println("num non vararg params = %d", begin); |
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133 |
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134 // get n args in arguments list |
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135 size_t n_arguments = arguments ? arguments->dim : 0; |
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136 |
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137 // build struct with argument types (non variadic args) |
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138 for (int i=begin; i<n_arguments; i++) |
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139 { |
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140 Expression* argexp = (Expression*)arguments->data[i]; |
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141 assert(argexp->type->ty != Ttuple); |
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142 vtypes.push_back(DtoType(argexp->type)); |
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143 size_t sz = getTypePaddedSize(vtypes.back()); |
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144 size_t asz = (sz + PTRSIZE - 1) & ~(PTRSIZE -1); |
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145 if (sz != asz) |
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146 { |
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147 if (sz < PTRSIZE) |
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148 { |
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149 vtypes.back() = DtoSize_t(); |
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150 } |
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151 else |
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152 { |
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153 // ok then... so we build some type that is big enough |
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154 // and aligned to PTRSIZE |
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155 std::vector<const LLType*> gah; |
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156 gah.reserve(asz/PTRSIZE); |
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157 size_t gah_sz = 0; |
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158 while (gah_sz < asz) |
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159 { |
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160 gah.push_back(DtoSize_t()); |
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161 gah_sz += PTRSIZE; |
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162 } |
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163 vtypes.back() = LLStructType::get(gah, true); |
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164 } |
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165 } |
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166 } |
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167 const LLStructType* vtype = LLStructType::get(vtypes); |
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168 |
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169 if (Logger::enabled()) |
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170 Logger::cout() << "d-variadic argument struct type:\n" << *vtype << '\n'; |
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171 |
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172 LLValue* mem = DtoRawAlloca(vtype, 0, "_argptr_storage"); |
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173 |
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174 // store arguments in the struct |
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175 for (int i=begin,k=0; i<n_arguments; i++,k++) |
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176 { |
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177 Expression* argexp = (Expression*)arguments->data[i]; |
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178 if (global.params.llvmAnnotate) |
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179 DtoAnnotation(argexp->toChars()); |
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180 LLValue* argdst = DtoGEPi(mem,0,k); |
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181 argdst = DtoBitCast(argdst, getPtrToType(DtoType(argexp->type))); |
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182 DtoVariadicArgument(argexp, argdst); |
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183 } |
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184 |
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185 // build type info array |
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186 const LLType* typeinfotype = DtoType(Type::typeinfo->type); |
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187 const LLArrayType* typeinfoarraytype = LLArrayType::get(typeinfotype,vtype->getNumElements()); |
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188 |
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189 llvm::GlobalVariable* typeinfomem = |
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190 new llvm::GlobalVariable(typeinfoarraytype, true, llvm::GlobalValue::InternalLinkage, NULL, "._arguments.storage", gIR->module); |
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191 if (Logger::enabled()) |
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192 Logger::cout() << "_arguments storage: " << *typeinfomem << '\n'; |
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193 |
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194 std::vector<LLConstant*> vtypeinfos; |
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195 for (int i=begin,k=0; i<n_arguments; i++,k++) |
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196 { |
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197 Expression* argexp = (Expression*)arguments->data[i]; |
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198 vtypeinfos.push_back(DtoTypeInfoOf(argexp->type)); |
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199 } |
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200 |
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201 // apply initializer |
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202 LLConstant* tiinits = llvm::ConstantArray::get(typeinfoarraytype, vtypeinfos); |
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203 typeinfomem->setInitializer(tiinits); |
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204 |
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205 // put data in d-array |
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206 std::vector<LLConstant*> pinits; |
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207 pinits.push_back(DtoConstSize_t(vtype->getNumElements())); |
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208 pinits.push_back(llvm::ConstantExpr::getBitCast(typeinfomem, getPtrToType(typeinfotype))); |
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209 const LLType* tiarrty = DtoType(Type::typeinfo->type->arrayOf()); |
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210 tiinits = llvm::ConstantStruct::get(pinits); |
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211 LLValue* typeinfoarrayparam = new llvm::GlobalVariable(tiarrty, |
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212 true, llvm::GlobalValue::InternalLinkage, tiinits, "._arguments.array", gIR->module); |
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213 |
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214 llvm::AttributeWithIndex Attr; |
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215 // specify arguments |
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216 args.push_back(DtoLoad(typeinfoarrayparam)); |
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217 if (unsigned atts = tf->fty.arg_arguments->attrs) { |
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218 Attr.Index = argidx; |
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219 Attr.Attrs = atts; |
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220 attrs.push_back(Attr); |
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221 } |
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222 ++argidx; |
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223 |
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224 args.push_back(gIR->ir->CreateBitCast(mem, getPtrToType(LLType::Int8Ty), "tmp")); |
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225 if (unsigned atts = tf->fty.arg_argptr->attrs) { |
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226 Attr.Index = argidx; |
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227 Attr.Attrs = atts; |
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228 attrs.push_back(Attr); |
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229 } |
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230 ++argidx; |
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231 |
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232 // pass non variadic args |
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233 for (int i=0; i<begin; i++) |
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234 { |
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235 Argument* fnarg = Argument::getNth(tf->parameters, i); |
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236 DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]); |
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237 args.push_back(argval->getRVal()); |
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238 |
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239 if (tf->fty.args[i]->attrs) |
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240 { |
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241 llvm::AttributeWithIndex Attr; |
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242 Attr.Index = argidx; |
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243 Attr.Attrs = tf->fty.args[i]->attrs; |
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244 attrs.push_back(Attr); |
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245 } |
414
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246 |
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247 ++argidx; |
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248 } |
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249 } |
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250 |
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251 // FIXME: this function is a mess ! |
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252 |
422
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253 DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions* arguments) |
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254 { |
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255 if (Logger::enabled()) { |
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256 Logger::println("DtoCallFunction()"); |
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257 } |
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258 LOG_SCOPE |
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259 |
414
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260 // the callee D type |
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261 Type* calleeType = fnval->getType(); |
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262 |
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263 // if the type has not yet been processed, do so now |
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264 if (calleeType->ir.type == NULL) |
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265 DtoType(calleeType); |
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266 |
414
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267 // get func value if any |
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268 DFuncValue* dfnval = fnval->isFunc(); |
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269 |
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270 // handle special vararg intrinsics |
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271 bool va_intrinsic = (dfnval && dfnval->func && dfnval->func->isVaIntrinsic()); |
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272 |
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273 // get function type info |
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274 TypeFunction* tf = DtoTypeFunction(fnval); |
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275 |
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276 // misc |
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277 bool retinptr = tf->fty.arg_sret; |
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278 bool thiscall = tf->fty.arg_this; |
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279 bool delegatecall = (calleeType->toBasetype()->ty == Tdelegate); |
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280 bool nestedcall = tf->fty.arg_nest; |
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281 bool dvarargs = (tf->linkage == LINKd && tf->varargs == 1); |
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282 |
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283 unsigned callconv = DtoCallingConv(loc, tf->linkage); |
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284 |
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285 // get callee llvm value |
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286 LLValue* callable = DtoCallableValue(fnval); |
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287 const LLFunctionType* callableTy = DtoExtractFunctionType(callable->getType()); |
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288 assert(callableTy); |
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289 |
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290 // if (Logger::enabled()) |
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291 // Logger::cout() << "callable: " << *callable << '\n'; |
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292 |
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293 // get n arguments |
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294 size_t n_arguments = arguments ? arguments->dim : 0; |
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295 |
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296 // get llvm argument iterator, for types |
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297 LLFunctionType::param_iterator argbegin = callableTy->param_begin(); |
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298 LLFunctionType::param_iterator argiter = argbegin; |
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299 |
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300 // parameter attributes |
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301 std::vector<llvm::AttributeWithIndex> attrs; |
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302 llvm::AttributeWithIndex Attr; |
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303 |
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304 // return attrs |
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305 if (tf->fty.ret->attrs) |
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306 { |
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307 Attr.Index = 0; |
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308 Attr.Attrs = tf->fty.ret->attrs; |
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309 attrs.push_back(Attr); |
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310 } |
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311 |
414
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312 // handle implicit arguments |
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313 std::vector<LLValue*> args; |
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314 args.reserve(tf->fty.args.size()); |
414
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315 |
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316 // return in hidden ptr is first |
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317 if (retinptr) |
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318 { |
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319 LLValue* retvar = DtoRawAlloca(argiter->get()->getContainedType(0), 0, ".rettmp"); |
414
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320 ++argiter; |
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321 args.push_back(retvar); |
720
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322 |
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323 // add attrs for hidden ptr |
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324 Attr.Index = 1; |
1117
4c20fcc4252b
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325 Attr.Attrs = tf->fty.arg_sret->attrs; |
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326 assert((Attr.Attrs & llvm::Attribute::StructRet) && "Sret arg not sret?"); |
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327 attrs.push_back(Attr); |
347
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328 } |
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329 |
422
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330 // then comes a context argument... |
486
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Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
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331 if(thiscall || delegatecall || nestedcall) |
414
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332 { |
422
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333 // ... which can be a 'this' argument |
488
993b217af574
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334 if (thiscall && dfnval && dfnval->vthis) |
422
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335 { |
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336 LLValue* thisarg = DtoBitCast(dfnval->vthis, argiter->get()); |
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337 ++argiter; |
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338 args.push_back(thisarg); |
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339 } |
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340 // ... or a delegate context arg |
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341 else if (delegatecall) |
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342 { |
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343 LLValue* ctxarg; |
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344 if (fnval->isLVal()) |
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345 { |
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346 ctxarg = DtoLoad(DtoGEPi(fnval->getLVal(), 0,0)); |
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347 } |
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348 else |
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349 { |
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350 ctxarg = gIR->ir->CreateExtractValue(fnval->getRVal(), 0, ".ptr"); |
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351 } |
1149
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352 ctxarg = DtoBitCast(ctxarg, argiter->get()); |
422
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353 ++argiter; |
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|
354 args.push_back(ctxarg); |
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diff
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355 } |
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356 // ... or a nested function context arg |
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357 else if (nestedcall) |
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358 { |
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359 LLValue* contextptr = DtoNestedContext(loc, dfnval->func); |
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360 contextptr = DtoBitCast(contextptr, getVoidPtrType()); |
422
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361 ++argiter; |
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362 args.push_back(contextptr); |
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363 } |
414
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364 else |
422
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365 { |
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366 error(loc, "Context argument required but none given"); |
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diff
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367 fatal(); |
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368 } |
720
e177ae483f8e
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369 |
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370 // add attributes for context argument |
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371 if (tf->fty.arg_this && tf->fty.arg_this->attrs) |
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372 { |
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373 Attr.Index = retinptr ? 2 : 1; |
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374 Attr.Attrs = tf->fty.arg_this->attrs; |
1024
9167d492cbc2
Abstracted more (most) ABI details out of the normal codegen.
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375 attrs.push_back(Attr); |
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376 } |
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377 else if (tf->fty.arg_nest && tf->fty.arg_nest->attrs) |
1024
9167d492cbc2
Abstracted more (most) ABI details out of the normal codegen.
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378 { |
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379 Attr.Index = retinptr ? 2 : 1; |
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|
380 Attr.Attrs = tf->fty.arg_nest->attrs; |
1217
00a84912c689
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diff
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381 attrs.push_back(Attr); |
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382 } |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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383 } |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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384 |
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385 // handle the rest of the arguments based on param passing style |
445
cc40db549aea
Changed the handling of variadic intrinsics a bit.
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435
diff
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|
386 |
414
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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|
387 // variadic instrinsics need some custom casts |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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diff
changeset
|
388 if (va_intrinsic) |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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|
389 { |
530
d30c40f1128d
Make class invariants work.
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526
diff
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|
390 for (int i=0; i<n_arguments; i++) |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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diff
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|
391 { |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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diff
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|
392 Expression* exp = (Expression*)arguments->data[i]; |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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|
393 DValue* expelem = exp->toElem(gIR); |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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|
394 // cast to va_list* |
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395 LLValue* val = DtoBitCast(expelem->getLVal(), getVoidPtrType()); |
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396 ++argiter; |
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397 args.push_back(val); |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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398 } |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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399 } |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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400 |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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|
401 // d style varargs needs a few more hidden arguments as well as special passing |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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402 else if (dvarargs) |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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403 { |
723
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|
404 DtoBuildDVarArgList(args, attrs, tf, arguments, argiter-argbegin+1); |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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405 } |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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diff
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|
406 |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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407 // otherwise we're looking at a normal function call |
723
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Implemented correct parameter order according to x86-32 ABI documentation.
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408 // or a C style vararg call |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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409 else |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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410 { |
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Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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411 Logger::println("doing normal arguments"); |
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Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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412 if (Logger::enabled()) { |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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413 Logger::println("Arguments so far: (%d)", (int)args.size()); |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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414 Logger::indent(); |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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diff
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415 for (size_t i = 0; i < args.size(); i++) { |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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416 Logger::cout() << *args[i] << '\n'; |
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Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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417 } |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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418 Logger::undent(); |
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Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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419 Logger::cout() << "Function type: " << tf->toChars() << '\n'; |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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diff
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|
420 Logger::cout() << "LLVM functype: " << *callable->getType() << '\n'; |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
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diff
changeset
|
421 } |
723
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Implemented correct parameter order according to x86-32 ABI documentation.
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parents:
720
diff
changeset
|
422 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
423 size_t n = Argument::dim(tf->parameters); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
424 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
425 LLSmallVector<unsigned, 10> attrptr(n, 0); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
426 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
427 // do formal params |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
428 int beg = argiter-argbegin; |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
429 for (int i=0; i<n; i++) |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
430 { |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
431 Argument* fnarg = Argument::getNth(tf->parameters, i); |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
432 assert(fnarg); |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
433 DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]); |
1042
45af482e3832
Updated ABI handling to be more flexible with regard to reusing lvalues and allocating fewer temporaries.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1030
diff
changeset
|
434 |
1050
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
435 if (Logger::enabled()) { |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
436 Logger::cout() << "Argument before ABI: " << *argval->getRVal() << '\n'; |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
437 Logger::cout() << "Argument type before ABI: " << *DtoType(argval->getType()) << '\n'; |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
438 } |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
439 |
1042
45af482e3832
Updated ABI handling to be more flexible with regard to reusing lvalues and allocating fewer temporaries.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1030
diff
changeset
|
440 // give the ABI a say |
1051
dc608dc33081
Make IrFuncTy a member of TypeFunction. Reset between modules compiled in the
Christian Kamm <kamm incasoftware de>
parents:
1050
diff
changeset
|
441 LLValue* arg = tf->fty.putParam(argval->getType(), i, argval); |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
442 |
1050
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
443 if (Logger::enabled()) { |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
444 Logger::cout() << "Argument after ABI: " << *arg << '\n'; |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
445 Logger::cout() << "Argument type after ABI: " << *arg->getType() << '\n'; |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
446 } |
32ead42679d1
Fix a bug in the X86 ABI. The size of a struct is different from the size of a
Frits van Bommel <fvbommel wxs.nl>
parents:
1047
diff
changeset
|
447 |
1051
dc608dc33081
Make IrFuncTy a member of TypeFunction. Reset between modules compiled in the
Christian Kamm <kamm incasoftware de>
parents:
1050
diff
changeset
|
448 int j = tf->fty.reverseParams ? beg + n - i - 1 : beg + i; |
938
a904cc9bc064
Convert struct arg to integer when passing inreg to make sure LLVM doesn't
Christian Kamm <kamm incasoftware de>
parents:
930
diff
changeset
|
449 |
1047
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
450 // Hack around LDC assuming structs are in memory: |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
451 // If the function wants a struct, and the argument value is a |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
452 // pointer to a struct, load from it before passing it in. |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
453 if (argval->getType()->ty == Tstruct |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
454 && isaPointer(arg) && !isaPointer(callableTy->getParamType(j))) { |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
455 Logger::println("Loading struct type for function argument"); |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
456 arg = DtoLoad(arg); |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
457 } |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
458 |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
459 // parameter type mismatch, this is hard to get rid of |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
460 if (arg->getType() != callableTy->getParamType(j)) |
445
cc40db549aea
Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
435
diff
changeset
|
461 { |
1024
9167d492cbc2
Abstracted more (most) ABI details out of the normal codegen.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1018
diff
changeset
|
462 #if 1 |
715
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
463 if (Logger::enabled()) |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
464 { |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
465 Logger::cout() << "arg: " << *arg << '\n'; |
1213
9430d4959ab4
Fix a bug in nested context code that occured when calling a function nested in
Frits van Bommel <fvbommel wxs.nl>
parents:
1207
diff
changeset
|
466 Logger::cout() << "of type: " << *arg->getType() << '\n'; |
715
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
467 Logger::cout() << "expects: " << *callableTy->getParamType(j) << '\n'; |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
468 } |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
469 #endif |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
470 arg = DtoBitCast(arg, callableTy->getParamType(j)); |
445
cc40db549aea
Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
435
diff
changeset
|
471 } |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
472 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
473 // param attrs |
1051
dc608dc33081
Make IrFuncTy a member of TypeFunction. Reset between modules compiled in the
Christian Kamm <kamm incasoftware de>
parents:
1050
diff
changeset
|
474 attrptr[i] = tf->fty.args[i]->attrs; |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
475 |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
476 ++argiter; |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
477 args.push_back(arg); |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
478 } |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
479 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
480 // reverse the relevant params as well as the param attrs |
1051
dc608dc33081
Make IrFuncTy a member of TypeFunction. Reset between modules compiled in the
Christian Kamm <kamm incasoftware de>
parents:
1050
diff
changeset
|
481 if (tf->fty.reverseParams) |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
482 { |
1024
9167d492cbc2
Abstracted more (most) ABI details out of the normal codegen.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1018
diff
changeset
|
483 std::reverse(args.begin() + beg, args.end()); |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
484 std::reverse(attrptr.begin(), attrptr.end()); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
485 } |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
486 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
487 // add attributes |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
488 for (int i = 0; i < n; i++) |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
489 { |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
490 if (attrptr[i]) |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
491 { |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
492 Attr.Index = beg + i + 1; |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
493 Attr.Attrs = attrptr[i]; |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
494 attrs.push_back(Attr); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
495 } |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
496 } |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
497 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
498 // do C varargs |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
499 if (n_arguments > n) |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
500 { |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
501 for (int i=n; i<n_arguments; i++) |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
502 { |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
503 Argument* fnarg = Argument::getNth(tf->parameters, i); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
504 DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
505 LLValue* arg = argval->getRVal(); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
506 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
507 // FIXME: do we need any param attrs here ? |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
508 |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
509 ++argiter; |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
510 args.push_back(arg); |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
511 } |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
512 } |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
513 } |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
514 |
1030
3ead5c40b7d6
Disabled some extensive LLVM value logging with -vv that dramatically increases -vv output length for little value.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1024
diff
changeset
|
515 #if 0 |
805
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
516 if (Logger::enabled()) |
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
517 { |
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
518 Logger::println("%lu params passed", args.size()); |
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
519 for (int i=0; i<args.size(); ++i) { |
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
520 assert(args[i]); |
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
521 Logger::cout() << "arg["<<i<<"] = " << *args[i] << '\n'; |
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
522 } |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
523 } |
1030
3ead5c40b7d6
Disabled some extensive LLVM value logging with -vv that dramatically increases -vv output length for little value.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1024
diff
changeset
|
524 #endif |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
525 |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
526 // void returns cannot not be named |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
527 const char* varname = ""; |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
528 if (callableTy->getReturnType() != LLType::VoidTy) |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
529 varname = "tmp"; |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
530 |
1030
3ead5c40b7d6
Disabled some extensive LLVM value logging with -vv that dramatically increases -vv output length for little value.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1024
diff
changeset
|
531 #if 0 |
805
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
532 if (Logger::enabled()) |
1b23aa1fb1b5
Ensure all logging of llvm values/types is only called when -vv is passed
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
797
diff
changeset
|
533 Logger::cout() << "Calling: " << *callable << '\n'; |
1030
3ead5c40b7d6
Disabled some extensive LLVM value logging with -vv that dramatically increases -vv output length for little value.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1024
diff
changeset
|
534 #endif |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
535 |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
536 // call the function |
1013
8c73ff5f69e0
Use llvm::CallSite instead of custom CallOrInvoke class.
Frits van Bommel <fvbommel wxs.nl>
parents:
1001
diff
changeset
|
537 LLCallSite call = gIR->CreateCallOrInvoke(callable, args.begin(), args.end(), varname); |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
538 |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
539 // get return value |
1013
8c73ff5f69e0
Use llvm::CallSite instead of custom CallOrInvoke class.
Frits van Bommel <fvbommel wxs.nl>
parents:
1001
diff
changeset
|
540 LLValue* retllval = (retinptr) ? args[0] : call.getInstruction(); |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
541 |
1047
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
542 // Ignore ABI for intrinsics |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
543 if (tf->linkage != LINKintrinsic && !retinptr) |
1001
7a0238db1962
Implement support for intrinsics returning struct types
Frits van Bommel <fvbommel wxs.nl>
parents:
988
diff
changeset
|
544 { |
7a0238db1962
Implement support for intrinsics returning struct types
Frits van Bommel <fvbommel wxs.nl>
parents:
988
diff
changeset
|
545 // do abi specific return value fixups |
1042
45af482e3832
Updated ABI handling to be more flexible with regard to reusing lvalues and allocating fewer temporaries.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1030
diff
changeset
|
546 DImValue dretval(tf->next, retllval); |
1051
dc608dc33081
Make IrFuncTy a member of TypeFunction. Reset between modules compiled in the
Christian Kamm <kamm incasoftware de>
parents:
1050
diff
changeset
|
547 retllval = tf->fty.getRet(tf->next, &dretval); |
1001
7a0238db1962
Implement support for intrinsics returning struct types
Frits van Bommel <fvbommel wxs.nl>
parents:
988
diff
changeset
|
548 } |
945
03d7c4aac654
SWITCHED TO LLVM 2.5 !
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
939
diff
changeset
|
549 |
1047
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
550 // Hack around LDC assuming structs are in memory: |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
551 // If the function returns a struct, and the return value is not a |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
552 // pointer to a struct, store it to a stack slot before continuing. |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
553 if (tf->next->ty == Tstruct && !isaPointer(retllval)) { |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
554 Logger::println("Storing return value to stack slot"); |
1350
15e9762bb620
Adds explicit alignment information for alloca instructions in general, there's a few cases that still needs to be looked at but this should catch the majority. Fixes ticket #293 .
Tomas Lindquist Olsen <tomas.l.olsen gmail com>
parents:
1330
diff
changeset
|
555 LLValue* mem = DtoRawAlloca(retllval->getType(), 0); |
1047
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
556 DtoStore(retllval, mem); |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
557 retllval = mem; |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
558 } |
6bb04dbee21f
Some calling convention work for x86-64:
Frits van Bommel <fvbommel wxs.nl>
parents:
1042
diff
changeset
|
559 |
715
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
560 // repaint the type if necessary |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
561 if (resulttype) |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
562 { |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
563 Type* rbase = resulttype->toBasetype(); |
758
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
723
diff
changeset
|
564 Type* nextbase = tf->nextOf()->toBasetype(); |
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
723
diff
changeset
|
565 #if DMDV2 |
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
723
diff
changeset
|
566 rbase = rbase->mutableOf(); |
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
723
diff
changeset
|
567 nextbase = nextbase->mutableOf(); |
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
723
diff
changeset
|
568 #endif |
715
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
569 if (!rbase->equals(nextbase)) |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
570 { |
758
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
723
diff
changeset
|
571 Logger::println("repainting return value from '%s' to '%s'", tf->nextOf()->toChars(), rbase->toChars()); |
715
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
572 switch(rbase->ty) |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
573 { |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
574 case Tarray: |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
575 retllval = DtoAggrPaint(retllval, DtoType(rbase)); |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
576 break; |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
577 |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
578 case Tclass: |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
579 case Taarray: |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
580 case Tpointer: |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
581 retllval = DtoBitCast(retllval, DtoType(rbase)); |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
582 break; |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
583 |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
584 default: |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
585 assert(0 && "unhandled repainting of return value"); |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
586 } |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
587 if (Logger::enabled()) |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
588 Logger::cout() << "final return value: " << *retllval << '\n'; |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
589 } |
30b42a283c8e
Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
632
diff
changeset
|
590 } |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
591 |
445
cc40db549aea
Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
435
diff
changeset
|
592 // set calling convention and parameter attributes |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
593 llvm::AttrListPtr attrlist = llvm::AttrListPtr::get(attrs.begin(), attrs.end()); |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
594 if (dfnval && dfnval->func) |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
595 { |
445
cc40db549aea
Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
435
diff
changeset
|
596 LLFunction* llfunc = llvm::dyn_cast<LLFunction>(dfnval->val); |
723
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
597 if (llfunc && llfunc->isIntrinsic()) // override intrinsic attrs |
55f6c2e454d7
Implemented correct parameter order according to x86-32 ABI documentation.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
720
diff
changeset
|
598 attrlist = llvm::Intrinsic::getAttributes((llvm::Intrinsic::ID)llfunc->getIntrinsicID()); |
445
cc40db549aea
Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
435
diff
changeset
|
599 else |
1013
8c73ff5f69e0
Use llvm::CallSite instead of custom CallOrInvoke class.
Frits van Bommel <fvbommel wxs.nl>
parents:
1001
diff
changeset
|
600 call.setCallingConv(callconv); |
414
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
601 } |
ac1fcc138e42
Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
347
diff
changeset
|
602 else |
1013
8c73ff5f69e0
Use llvm::CallSite instead of custom CallOrInvoke class.
Frits van Bommel <fvbommel wxs.nl>
parents:
1001
diff
changeset
|
603 call.setCallingConv(callconv); |
8c73ff5f69e0
Use llvm::CallSite instead of custom CallOrInvoke class.
Frits van Bommel <fvbommel wxs.nl>
parents:
1001
diff
changeset
|
604 call.setAttributes(attrlist); |
347
6057fdf797d8
[svn r368] Fixed custom class allocators with arbitrary user arguments. Closes #25
lindquist
parents:
diff
changeset
|
605 |
1018
e8c6dbcd33d1
- Fixed x86-32 C ABI for complex number return values.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1013
diff
changeset
|
606 // if we are returning through a pointer arg |
e8c6dbcd33d1
- Fixed x86-32 C ABI for complex number return values.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1013
diff
changeset
|
607 // make sure we provide a lvalue back! |
e8c6dbcd33d1
- Fixed x86-32 C ABI for complex number return values.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1013
diff
changeset
|
608 if (retinptr) |
e8c6dbcd33d1
- Fixed x86-32 C ABI for complex number return values.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1013
diff
changeset
|
609 return new DVarValue(resulttype, retllval); |
e8c6dbcd33d1
- Fixed x86-32 C ABI for complex number return values.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
1013
diff
changeset
|
610 |
486
a34078905d01
Added pragma(llvmdc, "string") for misc per-module compiler configuration, currently "string" can only be "verbose" which forces -vv for module it appears in.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
479
diff
changeset
|
611 return new DImValue(resulttype, retllval); |
347
6057fdf797d8
[svn r368] Fixed custom class allocators with arbitrary user arguments. Closes #25
lindquist
parents:
diff
changeset
|
612 } |