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annotate ir/irfunction.cpp @ 1137:45d73f0a9b43

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Automated merge with http://hg.dsource.org/projects/ldc
author Christian Kamm <kamm incasoftware de>
date Tue, 24 Mar 2009 14:34:16 +0100
parents dc608dc33081
children 8699c450a1a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 #include "gen/llvm.h"
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3 #include "gen/tollvm.h"
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4 #include "gen/abi.h"
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5 #include "gen/dvalue.h"
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6 #include "gen/logger.h"
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7 #include "ir/irfunction.h"
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8 #include "ir/irfuncty.h"
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9
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10 #include <sstream>
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12 //////////////////////////////////////////////////////////////////////////////
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13 //////////////////////////////////////////////////////////////////////////////
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14 //////////////////////////////////////////////////////////////////////////////
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15
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16 IrFuncTyArg::IrFuncTyArg(Type* t, bool bref, unsigned a)
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17 {
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18 type = t;
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19 ltype = bref ? DtoType(t->pointerTo()) : DtoType(t);
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20 attrs = a;
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21 byref = bref;
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22 rewrite = NULL;
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23 }
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24
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25 bool IrFuncTyArg::isInReg() const { return (attrs & llvm::Attribute::InReg) != 0; }
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26 bool IrFuncTyArg::isSRet() const { return (attrs & llvm::Attribute::StructRet) != 0; }
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27 bool IrFuncTyArg::isByVal() const { return (attrs & llvm::Attribute::ByVal) != 0; }
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28
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29 //////////////////////////////////////////////////////////////////////////////
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30 //////////////////////////////////////////////////////////////////////////////
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31 //////////////////////////////////////////////////////////////////////////////
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32
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33 llvm::Value* IrFuncTy::putRet(Type* dty, DValue* val)
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34 {
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35 assert(!arg_sret);
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36 if (ret->rewrite) {
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37 Logger::println("Rewrite: putRet");
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38 LOG_SCOPE
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39 return ret->rewrite->put(dty, val);
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40 }
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41 return val->getRVal();
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42 }
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43
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44 llvm::Value* IrFuncTy::getRet(Type* dty, DValue* val)
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45 {
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46 assert(!arg_sret);
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47 if (ret->rewrite) {
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48 Logger::println("Rewrite: getRet");
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49 LOG_SCOPE
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50 return ret->rewrite->get(dty, val);
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51 }
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52 return val->getRVal();
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53 }
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54
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55 llvm::Value* IrFuncTy::putParam(Type* dty, int idx, DValue* val)
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56 {
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57 assert(idx >= 0 && idx < args.size() && "invalid putParam");
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58 if (args[idx]->rewrite) {
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59 Logger::println("Rewrite: putParam");
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60 LOG_SCOPE
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61 return args[idx]->rewrite->put(dty, val);
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62 }
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63 return val->getRVal();
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64 }
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65
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66 llvm::Value* IrFuncTy::getParam(Type* dty, int idx, DValue* val)
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67 {
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68 assert(idx >= 0 && idx < args.size() && "invalid getParam");
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69 if (args[idx]->rewrite) {
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70 Logger::println("Rewrite: getParam (get)");
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71 LOG_SCOPE
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72 return args[idx]->rewrite->get(dty, val);
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73 }
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74 return val->getRVal();
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75 }
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76
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77 void IrFuncTy::getParam(Type* dty, int idx, DValue* val, llvm::Value* lval)
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78 {
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79 assert(idx >= 0 && idx < args.size() && "invalid getParam");
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80
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81 if (args[idx]->rewrite)
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82 {
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83 Logger::println("Rewrite: getParam (getL)");
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84 LOG_SCOPE
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85 args[idx]->rewrite->getL(dty, val, lval);
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86 return;
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87 }
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88
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89 DtoStore(val->getRVal(), lval);
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90 }
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91
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92 //////////////////////////////////////////////////////////////////////////////
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93 //////////////////////////////////////////////////////////////////////////////
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94 //////////////////////////////////////////////////////////////////////////////
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95
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96 IrFunction::IrFunction(FuncDeclaration* fd)
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97 {
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98 decl = fd;
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99
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100 Type* t = fd->type->toBasetype();
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101 assert(t->ty == Tfunction);
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102 type = (TypeFunction*)t;
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103 func = NULL;
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104 allocapoint = NULL;
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105
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106 queued = false;
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107 defined = false;
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108
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109 retArg = NULL;
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110 thisArg = NULL;
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111 nestArg = NULL;
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112
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113 nestedVar = NULL;
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114
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115 _arguments = NULL;
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116 _argptr = NULL;
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117
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118 nextUnique.push(0);
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119 }
355
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120
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121 std::string IrFunction::getScopedLabelName(const char* ident)
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122 {
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123 if(labelScopes.empty())
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124 return std::string(ident);
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125
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126 std::string result = "__";
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127 for(unsigned int i = 0; i < labelScopes.size(); ++i)
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128 result += labelScopes[i] + "_";
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129 return result + ident;
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130 }
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131
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132 void IrFunction::pushUniqueLabelScope(const char* name)
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133 {
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134 std::ostringstream uniquename;
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135 uniquename << name << nextUnique.top()++;
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136 nextUnique.push(0);
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137 labelScopes.push_back(uniquename.str());
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138 }
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139
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140 void IrFunction::popLabelScope()
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141 {
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142 labelScopes.pop_back();
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143 nextUnique.pop();
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144 }
584
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145
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146 void IrFunction::setNeverInline()
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147 {
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148 assert(!func->hasFnAttr(llvm::Attribute::AlwaysInline) && "function can't be never- and always-inline at the same time");
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149 func->addFnAttr(llvm::Attribute::NoInline);
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150 }
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151
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152 void IrFunction::setAlwaysInline()
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153 {
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154 assert(!func->hasFnAttr(llvm::Attribute::NoInline) && "function can't be never- and always-inline at the same time");
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155 func->addFnAttr(llvm::Attribute::AlwaysInline);
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156 }