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annotate gen/tocall.cpp @ 720:e177ae483f8e

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Added inreg attribute where appropriate on x86 to follow ABI docs. Removed now unnecessary temporary variable in StringExp.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Thu, 23 Oct 2008 00:34:46 +0200
parents 7261ff0f95ff
children 55f6c2e454d7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
347
6057fdf797d8 [svn r368] Fixed custom class allocators with arbitrary user arguments. Closes #25
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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
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12 #include "gen/logger.h"
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13
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14 //////////////////////////////////////////////////////////////////////////////////////////
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15
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16 TypeFunction* DtoTypeFunction(DValue* fnval)
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17 {
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18 Type* type = fnval->getType()->toBasetype();
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19 if (type->ty == Tfunction)
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20 {
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21 return (TypeFunction*)type;
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22 }
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23 else if (type->ty == Tdelegate)
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24 {
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25 assert(type->next->ty == Tfunction);
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26 return (TypeFunction*)type->next;
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27 }
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28
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29 assert(0 && "cant get TypeFunction* from non lazy/function/delegate");
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30 return 0;
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31 }
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32
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33 //////////////////////////////////////////////////////////////////////////////////////////
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34
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35 unsigned DtoCallingConv(LINK l)
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36 {
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37 if (l == LINKc || l == LINKcpp)
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38 return llvm::CallingConv::C;
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39 else if (l == LINKd || l == LINKdefault)
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40 {
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41 if (global.params.cpu == ARCHx86)
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42 return llvm::CallingConv::X86_StdCall;
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43 else
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44 return llvm::CallingConv::Fast;
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45 }
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46 else if (l == LINKwindows)
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47 return llvm::CallingConv::X86_StdCall;
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48 else
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49 assert(0 && "Unsupported calling convention");
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50 }
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51
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52 //////////////////////////////////////////////////////////////////////////////////////////
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53
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54 DValue* DtoVaArg(Loc& loc, Type* type, Expression* valistArg)
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55 {
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56 DValue* expelem = valistArg->toElem(gIR);
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57 const LLType* llt = DtoType(type);
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58 if (DtoIsPassedByRef(type))
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59 llt = getPtrToType(llt);
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60 // issue a warning for broken va_arg instruction.
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61 if (global.params.cpu != ARCHx86)
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62 warning("%s: va_arg for C variadic functions is probably broken for anything but x86", loc.toChars());
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63 // done
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64 return new DImValue(type, gIR->ir->CreateVAArg(expelem->getLVal(), llt, "tmp"));
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65 }
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66
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67 //////////////////////////////////////////////////////////////////////////////////////////
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68
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69 LLValue* DtoCallableValue(DValue* fn)
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70 {
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71 Type* type = fn->getType()->toBasetype();
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72 if (type->ty == Tfunction)
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73 {
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74 return fn->getRVal();
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75 }
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76 else if (type->ty == Tdelegate)
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77 {
719
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78 if (fn->isLVal())
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79 {
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80 LLValue* dg = fn->getLVal();
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81 LLValue* funcptr = DtoGEPi(dg, 0, 1);
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82 return DtoLoad(funcptr);
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83 }
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84 else
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85 {
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86 LLValue* dg = fn->getRVal();
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87 assert(isaStruct(dg));
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88 return gIR->ir->CreateExtractValue(dg, 1, ".funcptr");
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89 }
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90 }
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91 else
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92 {
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93 assert(0 && "not a callable type");
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94 return NULL;
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95 }
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96 }
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97
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98 //////////////////////////////////////////////////////////////////////////////////////////
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99
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100 const LLFunctionType* DtoExtractFunctionType(const LLType* type)
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101 {
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102 if (const LLFunctionType* fty = isaFunction(type))
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103 return fty;
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104 else if (const LLPointerType* pty = isaPointer(type))
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105 {
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106 if (const LLFunctionType* fty = isaFunction(pty->getElementType()))
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107 return fty;
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108 }
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109 return NULL;
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110 }
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111
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112 //////////////////////////////////////////////////////////////////////////////////////////
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113
632
df196c8dea26 Updated to latest LLVM trunk, function notes have been removed and merged with parameter attributes, which have been renamed to just attributes. Nothing seems to have broke!
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114 void DtoBuildDVarArgList(std::vector<LLValue*>& args, llvm::AttrListPtr& palist, TypeFunction* tf, Expressions* arguments, size_t argidx)
414
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115 {
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116 Logger::println("doing d-style variadic arguments");
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117
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118 std::vector<const LLType*> vtypes;
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119
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120 // number of non variadic args
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121 int begin = tf->parameters->dim;
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122 Logger::println("num non vararg params = %d", begin);
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123
530
d30c40f1128d Make class invariants work.
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124 // get n args in arguments list
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125 size_t n_arguments = arguments ? arguments->dim : 0;
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126
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127 // build struct with argument types (non variadic args)
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128 for (int i=begin; i<n_arguments; i++)
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129 {
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130 Expression* argexp = (Expression*)arguments->data[i];
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131 vtypes.push_back(DtoType(argexp->type));
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132 size_t sz = getABITypeSize(vtypes.back());
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133 if (sz < PTRSIZE)
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134 vtypes.back() = DtoSize_t();
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135 }
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136 const LLStructType* vtype = LLStructType::get(vtypes);
622
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137
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138 if (Logger::enabled())
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139 Logger::cout() << "d-variadic argument struct type:\n" << *vtype << '\n';
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140
479
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141 LLValue* mem = DtoAlloca(vtype,"_argptr_storage");
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142
414
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143 // store arguments in the struct
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144 for (int i=begin,k=0; i<n_arguments; i++,k++)
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145 {
414
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146 Expression* argexp = (Expression*)arguments->data[i];
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147 if (global.params.llvmAnnotate)
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148 DtoAnnotation(argexp->toChars());
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149 LLValue* argdst = DtoGEPi(mem,0,k);
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150 argdst = DtoBitCast(argdst, getPtrToType(DtoType(argexp->type)));
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151 DtoVariadicArgument(argexp, argdst);
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152 }
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153
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154 // build type info array
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155 assert(Type::typeinfo->ir.irStruct->constInit);
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156 const LLType* typeinfotype = DtoType(Type::typeinfo->type);
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157 const LLArrayType* typeinfoarraytype = LLArrayType::get(typeinfotype,vtype->getNumElements());
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158
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159 llvm::GlobalVariable* typeinfomem =
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160 new llvm::GlobalVariable(typeinfoarraytype, true, llvm::GlobalValue::InternalLinkage, NULL, "._arguments.storage", gIR->module);
622
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161 if (Logger::enabled())
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162 Logger::cout() << "_arguments storage: " << *typeinfomem << '\n';
414
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163
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164 std::vector<LLConstant*> vtypeinfos;
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165 for (int i=begin,k=0; i<n_arguments; i++,k++)
414
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166 {
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167 Expression* argexp = (Expression*)arguments->data[i];
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168 vtypeinfos.push_back(DtoTypeInfoOf(argexp->type));
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169 }
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170
414
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171 // apply initializer
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172 LLConstant* tiinits = llvm::ConstantArray::get(typeinfoarraytype, vtypeinfos);
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173 typeinfomem->setInitializer(tiinits);
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174
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175 // put data in d-array
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176 std::vector<LLConstant*> pinits;
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177 pinits.push_back(DtoConstSize_t(vtype->getNumElements()));
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178 pinits.push_back(llvm::ConstantExpr::getBitCast(typeinfomem, getPtrToType(typeinfotype)));
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179 const LLType* tiarrty = DtoType(Type::typeinfo->type->arrayOf());
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180 tiinits = llvm::ConstantStruct::get(pinits);
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181 LLValue* typeinfoarrayparam = new llvm::GlobalVariable(tiarrty,
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182 true, llvm::GlobalValue::InternalLinkage, tiinits, "._arguments.array", gIR->module);
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183
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184 // specify arguments
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185 args.push_back(DtoLoad(typeinfoarrayparam));
414
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186 ++argidx;
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187 args.push_back(gIR->ir->CreateBitCast(mem, getPtrToType(LLType::Int8Ty), "tmp"));
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188 ++argidx;
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189
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190 // pass non variadic args
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191 for (int i=0; i<begin; i++)
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192 {
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193 Argument* fnarg = Argument::getNth(tf->parameters, i);
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194 DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]);
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195 args.push_back(argval->getRVal());
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196
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
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197 if (fnarg->llvmAttrs)
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198 palist = palist.addAttr(argidx, fnarg->llvmAttrs);
414
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199
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200 ++argidx;
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201 }
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202 }
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203
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204
422
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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205 DValue* DtoCallFunction(Loc& loc, Type* resulttype, DValue* fnval, Expressions* arguments)
414
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206 {
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207 // the callee D type
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208 Type* calleeType = fnval->getType();
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209
456
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210 // if the type has not yet been processed, do so now
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211 if (calleeType->ir.type == NULL)
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212 DtoType(calleeType);
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213
414
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214 // get func value if any
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215 DFuncValue* dfnval = fnval->isFunc();
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216
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
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217 // handle special vararg intrinsics
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218 bool va_intrinsic = (dfnval && dfnval->func && dfnval->func->isVaIntrinsic());
414
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219
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220 // get function type info
435
74101be2a553 Added type param to DVarValue as DMD sometimes overrides the type of the VarDeclaration.
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221 TypeFunction* tf = DtoTypeFunction(fnval);
414
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222
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223 // misc
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.
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224 bool retinptr = tf->retInPtr;
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225 bool thiscall = tf->usesThis;
414
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226 bool delegatecall = (calleeType->toBasetype()->ty == Tdelegate);
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.
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227 bool nestedcall = tf->usesNest;
414
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228 bool dvarargs = (tf->linkage == LINKd && tf->varargs == 1);
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229
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230 unsigned callconv = DtoCallingConv(tf->linkage);
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231
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232 // get callee llvm value
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233 LLValue* callable = DtoCallableValue(fnval);
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234 const LLFunctionType* callableTy = DtoExtractFunctionType(callable->getType());
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235 assert(callableTy);
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236
530
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237 // get n arguments
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238 size_t n_arguments = arguments ? arguments->dim : 0;
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239
414
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240 // get llvm argument iterator, for types
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241 LLFunctionType::param_iterator argbegin = callableTy->param_begin();
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diff changeset
242 LLFunctionType::param_iterator argiter = argbegin;
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diff changeset
243
454
283d113d4753 Added generation of the llvm 'sret' parameter attribute where applicable.
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diff changeset
244 // parameter attributes
632
df196c8dea26 Updated to latest LLVM trunk, function notes have been removed and merged with parameter attributes, which have been renamed to just attributes. Nothing seems to have broke!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 622
diff changeset
245 llvm::AttrListPtr palist;
454
283d113d4753 Added generation of the llvm 'sret' parameter attribute where applicable.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 445
diff changeset
246
283d113d4753 Added generation of the llvm 'sret' parameter attribute where applicable.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 445
diff changeset
247 // return attrs
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
248 if (tf->retAttrs)
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
249 palist = palist.addAttr(0, tf->retAttrs);
454
283d113d4753 Added generation of the llvm 'sret' parameter attribute where applicable.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 445
diff changeset
250
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
251 // handle implicit arguments
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
252 std::vector<LLValue*> args;
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
253
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
254 // return in hidden ptr is first
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
255 if (retinptr)
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
256 {
479
672eb4893b55 Move AllocaInst creation into DtoAlloca helper. Will enable special zero-init of fp80 reals' padding.
Christian Kamm <kamm incasoftware de>
parents: 456
diff changeset
257 LLValue* retvar = DtoAlloca(argiter->get()->getContainedType(0), ".rettmp");
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
258 ++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
259 args.push_back(retvar);
720
e177ae483f8e Added inreg attribute where appropriate on x86 to follow ABI docs.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 719
diff changeset
260
e177ae483f8e Added inreg attribute where appropriate on x86 to follow ABI docs.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 719
diff changeset
261 // add attrs for hidden ptr
632
df196c8dea26 Updated to latest LLVM trunk, function notes have been removed and merged with parameter attributes, which have been renamed to just attributes. Nothing seems to have broke!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 622
diff changeset
262 palist = palist.addAttr(1, llvm::Attribute::StructRet);
347
6057fdf797d8 [svn r368] Fixed custom class allocators with arbitrary user arguments. Closes #25
lindquist
parents:
diff changeset
263 }
6057fdf797d8 [svn r368] Fixed custom class allocators with arbitrary user arguments. Closes #25
lindquist
parents:
diff changeset
264
422
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
265 // then comes a context argument...
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
266 if(thiscall || delegatecall || nestedcall)
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
267 {
422
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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parents: 414
diff changeset
268 // ... which can be a 'this' argument
488
993b217af574 Error if there is no this in a call requiring this.
Christian Kamm <kamm incasoftware de>
parents: 486
diff changeset
269 if (thiscall && dfnval && dfnval->vthis)
422
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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parents: 414
diff changeset
270 {
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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parents: 414
diff changeset
271 LLValue* thisarg = DtoBitCast(dfnval->vthis, argiter->get());
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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parents: 414
diff changeset
272 ++argiter;
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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diff changeset
273 args.push_back(thisarg);
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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parents: 414
diff changeset
274 }
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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parents: 414
diff changeset
275 // ... or a delegate context arg
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
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parents: 414
diff changeset
276 else if (delegatecall)
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
277 {
719
7261ff0f95ff Implemented first class delegates. closes #101
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parents: 715
diff changeset
278 LLValue* ctxarg;
7261ff0f95ff Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 715
diff changeset
279 if (fnval->isLVal())
7261ff0f95ff Implemented first class delegates. closes #101
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parents: 715
diff changeset
280 {
7261ff0f95ff Implemented first class delegates. closes #101
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parents: 715
diff changeset
281 ctxarg = DtoLoad(DtoGEPi(fnval->getLVal(), 0,0));
7261ff0f95ff Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 715
diff changeset
282 }
7261ff0f95ff Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 715
diff changeset
283 else
7261ff0f95ff Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 715
diff changeset
284 {
7261ff0f95ff Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 715
diff changeset
285 ctxarg = gIR->ir->CreateExtractValue(fnval->getRVal(), 0, ".ptr");
7261ff0f95ff Implemented first class delegates. closes #101
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 715
diff changeset
286 }
422
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
287 assert(ctxarg->getType() == argiter->get());
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
288 ++argiter;
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
289 args.push_back(ctxarg);
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
290 }
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
291 // ... or a nested function context arg
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
292 else if (nestedcall)
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
293 {
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
294 LLValue* contextptr = DtoNestedContext(loc, dfnval->func);
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
295 contextptr = DtoBitCast(contextptr, getVoidPtrType());
422
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
296 ++argiter;
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
297 args.push_back(contextptr);
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
298 }
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
299 else
422
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
300 {
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
301 error(loc, "Context argument required but none given");
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
302 fatal();
fa91b03d9cd7 Error message for calling a function with a missing 'this' arg.
Christian Kamm <kamm incasoftware de>
parents: 414
diff changeset
303 }
720
e177ae483f8e Added inreg attribute where appropriate on x86 to follow ABI docs.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 719
diff changeset
304
e177ae483f8e Added inreg attribute where appropriate on x86 to follow ABI docs.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 719
diff changeset
305 // add attributes for context argument
e177ae483f8e Added inreg attribute where appropriate on x86 to follow ABI docs.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 719
diff changeset
306 if (tf->thisAttrs)
e177ae483f8e Added inreg attribute where appropriate on x86 to follow ABI docs.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 719
diff changeset
307 palist = palist.addAttr(retinptr?2:1, tf->thisAttrs);
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
308 }
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
309
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
310 // handle the rest of the arguments based on param passing style
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
311
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
312 // variadic instrinsics need some custom casts
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
313 if (va_intrinsic)
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
314 {
530
d30c40f1128d Make class invariants work.
Christian Kamm <kamm incasoftware de>
parents: 526
diff changeset
315 for (int i=0; i<n_arguments; i++)
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
316 {
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
317 Expression* exp = (Expression*)arguments->data[i];
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
318 DValue* expelem = exp->toElem(gIR);
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
319 // cast to va_list*
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
320 LLValue* val = DtoBitCast(expelem->getLVal(), getVoidPtrType());
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
321 ++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
322 args.push_back(val);
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
323 }
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
324 }
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
325
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
326 // d style varargs needs a few more hidden arguments as well as special passing
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
327 else if (dvarargs)
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
328 {
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
329 DtoBuildDVarArgList(args, palist, tf, arguments, argiter-argbegin+1);
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
330 }
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
331
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
332 // otherwise we're looking at a normal function call
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
333 else
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
334 {
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
335 Logger::println("doing normal arguments");
530
d30c40f1128d Make class invariants work.
Christian Kamm <kamm incasoftware de>
parents: 526
diff changeset
336 for (int i=0; i<n_arguments; i++) {
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
337 int j = argiter-argbegin;
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
338 Argument* fnarg = Argument::getNth(tf->parameters, i);
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
339 DValue* argval = DtoArgument(fnarg, (Expression*)arguments->data[i]);
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
340 LLValue* arg = argval->getRVal();
454
283d113d4753 Added generation of the llvm 'sret' parameter attribute where applicable.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 445
diff changeset
341 if (fnarg) // can fnarg ever be null in this block?
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
342 {
715
30b42a283c8e Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 632
diff changeset
343 if (Logger::enabled())
30b42a283c8e Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 632
diff changeset
344 {
30b42a283c8e Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 632
diff changeset
345 Logger::cout() << "arg: " << *arg << '\n';
30b42a283c8e Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 632
diff changeset
346 Logger::cout() << "expects: " << *callableTy->getParamType(j) << '\n';
30b42a283c8e Removed TypeOpaque from DMD.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 632
diff changeset
347 }
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
348 if (arg->getType() != callableTy->getParamType(j))
cc40db549aea Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
349 arg = DtoBitCast(arg, callableTy->getParamType(j));
cc40db549aea Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
350 if (fnarg->llvmAttrs)
cc40db549aea Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
351 palist = palist.addAttr(j+1, fnarg->llvmAttrs);
cc40db549aea Changed the handling of variadic intrinsics a bit.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 435
diff changeset
352 }
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
353 ++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
354 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
355 }
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
356 }
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
357
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
358 #if 0
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
359 Logger::println("%d params passed", n);
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
360 for (int i=0; i<args.size(); ++i) {
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
361 assert(args[i]);
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
362 Logger::cout() << "arg["<<i<<"] = " << *args[i] << '\n';
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
363 }
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
364 #endif
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
365
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
366 // 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
367 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
368 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
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369 varname = "tmp";
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370
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371 //Logger::cout() << "Calling: " << *funcval << '\n';
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372
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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373 // call the function
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374 CallOrInvoke* call = gIR->CreateCallOrInvoke(callable, args.begin(), args.end(), varname);
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375
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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376 // get return value
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377 LLValue* retllval = (retinptr) ? args[0] : call->get();
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378
715
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379 // repaint the type if necessary
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380 if (resulttype)
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381 {
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382 Type* rbase = resulttype->toBasetype();
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383 Type* nextbase = tf->next->toBasetype();
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384 if (!rbase->equals(nextbase))
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385 {
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386 Logger::println("repainting return value from '%s' to '%s'", tf->next->toChars(), rbase->toChars());
30b42a283c8e Removed TypeOpaque from DMD.
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387 switch(rbase->ty)
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388 {
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389 case Tarray:
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390 retllval = DtoAggrPaint(retllval, DtoType(rbase));
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391 break;
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392
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393 case Tclass:
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394 case Taarray:
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395 case Tpointer:
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396 retllval = DtoBitCast(retllval, DtoType(rbase));
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397 break;
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398
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399 default:
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400 assert(0 && "unhandled repainting of return value");
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401 }
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402 if (Logger::enabled())
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403 Logger::cout() << "final return value: " << *retllval << '\n';
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404 }
30b42a283c8e Removed TypeOpaque from DMD.
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405 }
414
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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diff changeset
406
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
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407 // set calling convention and parameter attributes
414
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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408 if (dfnval && dfnval->func)
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409 {
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
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parents: 435
diff changeset
410 LLFunction* llfunc = llvm::dyn_cast<LLFunction>(dfnval->val);
cc40db549aea Changed the handling of variadic intrinsics a bit.
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parents: 435
diff changeset
411 if (llfunc && llfunc->isIntrinsic())
632
df196c8dea26 Updated to latest LLVM trunk, function notes have been removed and merged with parameter attributes, which have been renamed to just attributes. Nothing seems to have broke!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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412 palist = llvm::Intrinsic::getAttributes((llvm::Intrinsic::ID)llfunc->getIntrinsicID());
445
cc40db549aea Changed the handling of variadic intrinsics a bit.
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parents: 435
diff changeset
413 else
414
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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diff changeset
414 call->setCallingConv(callconv);
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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415 }
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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diff changeset
416 else
ac1fcc138e42 Fixed issue with internal real representation, incorrect for non x86-32 architectures.
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diff changeset
417 call->setCallingConv(callconv);
632
df196c8dea26 Updated to latest LLVM trunk, function notes have been removed and merged with parameter attributes, which have been renamed to just attributes. Nothing seems to have broke!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents: 622
diff changeset
418 call->setAttributes(palist);
347
6057fdf797d8 [svn r368] Fixed custom class allocators with arbitrary user arguments. Closes #25
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parents:
diff changeset
419
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.
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420 return new DImValue(resulttype, retllval);
347
6057fdf797d8 [svn r368] Fixed custom class allocators with arbitrary user arguments. Closes #25
lindquist
parents:
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421 }