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annotate ir/irfunction.cpp @ 1050:32ead42679d1

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Fix a bug in the X86 ABI. The size of a struct is different from the size of a pointer to that struct...
author Frits van Bommel <fvbommel wxs.nl>
date Fri, 06 Mar 2009 21:15:13 +0100
parents 45af482e3832
children dc608dc33081
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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
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9 #include <sstream>
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136
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11 //////////////////////////////////////////////////////////////////////////////
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12 //////////////////////////////////////////////////////////////////////////////
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13 //////////////////////////////////////////////////////////////////////////////
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14
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15 IrFuncTyArg::IrFuncTyArg(Type* t, bool bref, unsigned a)
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16 {
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17 type = t;
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18 ltype = bref ? DtoType(t->pointerTo()) : DtoType(t);
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19 attrs = a;
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20 byref = bref;
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21 rewrite = NULL;
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22 }
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23
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24 //////////////////////////////////////////////////////////////////////////////
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25 //////////////////////////////////////////////////////////////////////////////
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26 //////////////////////////////////////////////////////////////////////////////
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27
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28 llvm::Value* IrFuncTy::putRet(Type* dty, DValue* val)
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29 {
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30 assert(!arg_sret);
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31 if (ret->rewrite) {
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32 Logger::println("Rewrite: putRet");
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33 LOG_SCOPE
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34 return ret->rewrite->put(dty, val);
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35 }
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36 return val->getRVal();
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37 }
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38
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39 llvm::Value* IrFuncTy::getRet(Type* dty, DValue* val)
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40 {
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41 assert(!arg_sret);
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42 if (ret->rewrite) {
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43 Logger::println("Rewrite: getRet");
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44 LOG_SCOPE
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45 return ret->rewrite->get(dty, val);
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46 }
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47 return val->getRVal();
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48 }
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49
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50 llvm::Value* IrFuncTy::putParam(Type* dty, int idx, DValue* val)
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51 {
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52 assert(idx >= 0 && idx < args.size() && "invalid putParam");
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53 if (args[idx]->rewrite) {
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54 Logger::println("Rewrite: putParam");
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55 LOG_SCOPE
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56 return args[idx]->rewrite->put(dty, val);
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57 }
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58 return val->getRVal();
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59 }
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60
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61 llvm::Value* IrFuncTy::getParam(Type* dty, int idx, DValue* val)
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62 {
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63 assert(idx >= 0 && idx < args.size() && "invalid getParam");
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64 if (args[idx]->rewrite) {
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65 Logger::println("Rewrite: getParam (get)");
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66 LOG_SCOPE
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67 return args[idx]->rewrite->get(dty, val);
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68 }
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69 return val->getRVal();
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70 }
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71
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72 void IrFuncTy::getParam(Type* dty, int idx, DValue* val, llvm::Value* lval)
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73 {
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74 assert(idx >= 0 && idx < args.size() && "invalid getParam");
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75
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76 if (args[idx]->rewrite)
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77 {
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78 Logger::println("Rewrite: getParam (getL)");
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79 LOG_SCOPE
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80 args[idx]->rewrite->getL(dty, val, lval);
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81 return;
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82 }
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83
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84 DtoStore(val->getRVal(), lval);
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85 }
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86
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87 //////////////////////////////////////////////////////////////////////////////
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88 //////////////////////////////////////////////////////////////////////////////
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89 //////////////////////////////////////////////////////////////////////////////
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90
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91 IrFunction::IrFunction(FuncDeclaration* fd)
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92 {
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93 decl = fd;
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94
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95 Type* t = fd->type->toBasetype();
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96 assert(t->ty == Tfunction);
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97 type = (TypeFunction*)t;
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98 func = NULL;
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99 allocapoint = NULL;
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100
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101 queued = false;
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102 defined = false;
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103
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104 retArg = NULL;
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105 thisArg = NULL;
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106 nestArg = NULL;
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107
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108 nestedVar = NULL;
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109
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110 _arguments = NULL;
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111 _argptr = NULL;
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112
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113 nextUnique.push(0);
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114 }
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115
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116 std::string IrFunction::getScopedLabelName(const char* ident)
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117 {
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118 if(labelScopes.empty())
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119 return std::string(ident);
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120
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121 std::string result = "__";
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122 for(unsigned int i = 0; i < labelScopes.size(); ++i)
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123 result += labelScopes[i] + "_";
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124 return result + ident;
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125 }
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126
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127 void IrFunction::pushUniqueLabelScope(const char* name)
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128 {
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129 std::ostringstream uniquename;
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130 uniquename << name << nextUnique.top()++;
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131 nextUnique.push(0);
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132 labelScopes.push_back(uniquename.str());
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133 }
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134
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135 void IrFunction::popLabelScope()
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136 {
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137 labelScopes.pop_back();
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138 nextUnique.pop();
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139 }
584
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140
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141 void IrFunction::setNeverInline()
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142 {
632
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143 assert(!func->hasFnAttr(llvm::Attribute::AlwaysInline) && "function can't be never- and always-inline at the same time");
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144 func->addFnAttr(llvm::Attribute::NoInline);
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145 }
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146
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147 void IrFunction::setAlwaysInline()
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148 {
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149 assert(!func->hasFnAttr(llvm::Attribute::NoInline) && "function can't be never- and always-inline at the same time");
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150 func->addFnAttr(llvm::Attribute::AlwaysInline);
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151 }