Mercurial > projects > dang
annotate gen/CodeGen.d @ 119:c0b531362ca6
Non compileing commit. Work on floating points and casts
author | Anders Johnsen <skabet@gmail.com> |
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date | Sun, 25 May 2008 19:13:07 +0200 |
parents | 54585ad7e426 |
children | 7d0898f77685 |
rev | line source |
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1 module gen.CodeGen; |
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2 |
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3 import tango.io.Stdout, |
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4 Int = tango.text.convert.Integer; |
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5 import tango.core.Array : find, partition; |
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6 |
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7 import llvm.llvm; |
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8 |
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9 import ast.Decl, |
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10 ast.Stmt, |
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11 ast.Exp, |
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12 ast.Module : DModule = Module; |
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13 |
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14 import basic.SmallArray, |
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15 basic.LiteralParsing; |
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16 |
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17 import lexer.Token; |
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18 |
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19 import sema.Scope, |
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20 sema.Visitor; |
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21 |
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22 /** |
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23 Wrapper for Values representing rvalues (things you can only read from) |
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24 **/ |
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25 private struct RValue |
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26 { |
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27 /** |
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28 Returns true if this is a simple value, like an int or a pointer. |
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29 This is basicly anything except a struct, which will contain a Value that |
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30 is a pointer to the struct. |
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31 **/ |
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32 bool isSimple() { return simple; } |
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33 /// Opposite of isSimple |
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34 bool isAggregate() { return !simple; } |
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35 |
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36 Value value; |
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37 private bool simple = true; |
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38 } |
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39 |
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40 /** |
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41 Wrapper for Values representing lvalues (things you can write to) |
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42 **/ |
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43 private struct LValue |
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44 { |
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45 Value getAddress() { return value; } |
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46 private Value value; |
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47 } |
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48 |
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49 class CodeGen |
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50 { |
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51 public: |
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52 this() |
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53 { |
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54 b = new Builder; |
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55 ZeroIndex = ConstantInt.GetU(Type.Int32, 0); |
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56 |
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57 table = new SimpleSymbolTable(); |
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58 |
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59 createBasicTypes(); |
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60 } |
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61 |
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62 /** |
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63 Generate a new module. |
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64 **/ |
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65 /* |
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66 Find all function decls and add the functions to the llvm module, so |
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67 they can be referenced. |
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68 |
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69 Make sure all var-decls are located before functions, so we wont get |
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70 problems when referencing the global vars. |
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71 |
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72 Generate the actual llvm code needed for all decls |
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73 |
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74 Optimize if requested |
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75 |
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76 Write to filehandle (can be a file or stdout) |
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77 */ |
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78 void gen(DModule mod, uint handle, bool optimize, bool inline) |
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79 { |
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80 this.mod = mod; |
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81 // create module |
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82 m = new .llvm.llvm.Module("main_module"); |
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83 scope(exit) m.dispose(); |
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84 |
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85 table.enterScope; |
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86 |
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87 BytePtr = PointerType.Get(Type.Int8); |
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88 auto temp = FunctionType.Get( |
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89 Type.Void, |
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90 [BytePtr, BytePtr, Type.Int32, Type.Int32]); |
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91 llvm_memcpy = m.addFunction(temp, "llvm.memcpy.i32"); |
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92 |
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93 auto registerFunc = |
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94 (FuncDecl fd) |
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95 { |
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96 Type[] param_types; |
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97 foreach (i, p; fd.funcArgs) |
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98 { |
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99 DType t = p.env.find(p.identifier).type; |
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100 if (auto st = t.asStruct()) |
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101 { |
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102 Type pointer = PointerType.Get(llvm(st)); |
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103 param_types ~= pointer; |
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104 } |
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105 else if (auto ar = t.asArray()) |
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106 { |
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107 Type pointer = PointerType.Get(llvm(ar)); |
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108 param_types ~= pointer; |
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109 } |
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110 else |
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111 param_types ~= llvm(t); |
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112 } |
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113 auto ret_t = fd.env.find(fd.identifier).type; |
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114 if(auto st = cast(DStruct)ret_t) |
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115 ret_t = DType.Void; |
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116 else if(auto f = cast(DFunction)ret_t) |
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117 ret_t = f.returnType; |
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118 auto func_t = FunctionType.Get(llvm(ret_t), param_types); |
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119 auto llfunc = m.addFunction(func_t, fd.identifier.getMangled); |
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120 |
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121 foreach (i, p; fd.funcArgs) |
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122 { |
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123 if(i == 0 && fd.sret) |
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124 llfunc.addParamAttr(0, ParamAttr.StructRet); |
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125 |
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126 DType t = p.env.find(p.identifier).type; |
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127 if (auto st = t.asStruct) |
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128 { |
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129 if (i == 0 && fd.sret) |
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130 continue; |
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131 llfunc.addParamAttr(i, ParamAttr.ByVal); |
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132 } |
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133 else if (auto ar = t.asArray) |
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134 { |
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135 llfunc.addParamAttr(i, ParamAttr.ByVal); |
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136 } |
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137 } |
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138 }; |
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139 auto visitor = new VisitFuncDecls(registerFunc); |
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140 visitor.visit([mod]); |
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141 // Before beginning we move all top level var-decls to the start |
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142 // and then we generate the var-decls first |
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143 // partition is NOT required to be stable, but that should not create |
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144 // any problems. |
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145 partition(mod.decls, (Decl d) { return d.declType == DeclType.VarDecl; }); |
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146 |
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147 foreach (decl; mod.decls) |
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148 genRootDecl(decl); |
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149 |
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150 table.leaveScope; |
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151 |
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152 // debug m.verify(); |
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153 |
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154 if(optimize) |
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155 m.optimize(inline); |
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156 |
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157 m.writeBitcodeToFileHandle(handle); |
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158 } |
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159 |
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160 private: |
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161 /** |
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162 Generate a single top-level Decl |
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163 **/ |
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164 void genRootDecl(Decl decl) |
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165 { |
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166 switch(decl.declType) |
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167 { |
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168 case DeclType.FuncDecl: |
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169 FuncDecl funcDecl = cast(FuncDecl)decl; |
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170 |
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171 // Empty function - declare; |
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172 if(funcDecl.emptyFunction) |
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173 return; |
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174 |
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175 llvm(funcDecl.type); |
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176 auto llfunc = m.getNamedFunction(funcDecl.identifier.getMangled); |
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177 auto func_tp = cast(PointerType)llfunc.type; |
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178 auto func_t = cast(FunctionType)func_tp.elementType(); |
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179 auto ret_t = func_t.returnType(); |
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180 |
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181 |
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182 auto bb = llfunc.appendBasicBlock("entry"); |
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183 b.positionAtEnd(bb); |
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184 |
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185 table.enterScope; |
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186 foreach (i, v; funcDecl.funcArgs) |
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187 { |
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188 llfunc.getParam(i).name = v.identifier.get; |
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189 auto name = v.identifier.get; |
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190 if (!cast(PointerType)llfunc.getParam(i).type) |
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191 { |
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192 auto AI = b.buildAlloca(llfunc.getParam(i).type, name); |
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193 // Value va = b.buildLoad(val, name); |
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194 b.buildStore(llfunc.getParam(i), AI); |
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195 table[name] = AI; |
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196 } |
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197 else |
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198 table[name] = llfunc.getParam(i); |
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199 } |
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200 |
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201 foreach (stmt; funcDecl.statements) |
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202 genStmt(stmt); |
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203 |
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204 // if the function didn't end with a return, we automatically |
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205 // add one (return 0 as default) |
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206 if (b.getInsertBlock().terminated() is false) |
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207 if (ret_t is Type.Void) |
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208 b.buildRetVoid(); |
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209 else |
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210 b.buildRet(ConstantInt.GetS(ret_t, 0)); |
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211 |
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212 table.leaveScope; |
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213 break; |
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214 |
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215 case DeclType.VarDecl: |
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216 auto varDecl = cast(VarDecl)decl; |
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217 auto id = varDecl.env.find(varDecl.identifier); |
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218 Type t = llvm(id.type); |
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219 GlobalVariable g = m.addGlobal(t, id.get); |
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220 g.initializer = ConstantInt.GetS(t, 0); |
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221 table[varDecl.identifier.get] = g; |
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222 break; |
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223 |
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224 case DeclType.StructDecl: |
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225 auto structDecl = cast(StructDecl)decl; |
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226 llvm(structDecl.type); |
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227 //m.addTypeName(structDecl.identifier.get, llvm(structDecl.type)); |
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228 break; |
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229 |
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230 default: |
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231 break; |
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232 } |
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233 } |
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234 |
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235 /** |
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236 Generate a single local Decl |
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237 **/ |
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238 void genDecl(Decl decl) |
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239 { |
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240 switch(decl.declType) |
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241 { |
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242 case DeclType.VarDecl: |
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243 auto varDecl = cast(VarDecl)decl; |
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244 auto name = varDecl.identifier.get; |
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245 auto sym = varDecl.env.find(varDecl.identifier); |
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246 auto AI = b.buildAlloca(llvm(sym.type), name); |
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247 table[name] = AI; |
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248 if (varDecl.init) |
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249 { |
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250 LValue dst = genLValue(varDecl.identifier); |
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251 RValue src = genExpression(varDecl.init); |
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252 storeThroughLValue(dst, src, sym.type); |
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253 } |
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254 break; |
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255 |
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256 default: |
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257 } |
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258 } |
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259 |
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260 // Remove - do it right (basic/Messages.d) |
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261 struct PE |
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262 { |
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263 static char[] NoImplicitConversion = |
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264 "Can't find an implicit conversion between %0 and %1"; |
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265 static char[] VoidRetInNonVoidFunc = |
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266 "Only void functions can return without an expression"; |
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267 } |
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268 |
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269 /** |
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270 Takes two iX and overwrite the smaller one, with a sign-extended version |
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271 so both values can be operated on without worrying about the exact types. |
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272 |
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273 Used when adding a int and a long or similar. |
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274 |
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275 Currently unused |
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276 **/ |
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277 void sextSmallerToLarger(ref Value left, ref Value right) |
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278 { |
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279 if (left.type != right.type) |
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280 { |
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281 // try to find a convertion - only works for iX |
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282 IntegerType l = cast(IntegerType) left.type; |
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283 IntegerType r = cast(IntegerType) right.type; |
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284 if (l is null || r is null) |
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285 assert(0, PE.NoImplicitConversion); |
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286 /* |
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287 .arg(left.type.toString) |
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288 .arg(right.type.toString);*/ |
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289 |
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290 if (l.numBits() < r.numBits()) |
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291 left = b.buildSExt(left, r, ".cast"); |
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292 else |
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293 right = b.buildSExt(right, l, ".cast"); |
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294 } |
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295 } |
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296 |
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297 /** |
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298 Generate a single expression. |
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299 |
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300 This is the most general way of generating expressions and therefore |
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301 returns an RValue. |
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302 **/ |
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303 RValue genExpression(Exp exp) |
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304 { |
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305 switch(exp.expType) |
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306 { |
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307 case ExpType.Binary: |
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308 return RValue(genBinExp(cast(BinaryExp)exp)); |
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309 case ExpType.IntegerLit: |
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310 auto integerLit = cast(IntegerLit)exp; |
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311 switch(integerLit.number.type) |
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312 { |
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313 case NumberType.Int: |
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314 return RValue(ConstantInt.GetS(Type.Int32, integerLit.number.integer)); |
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315 case NumberType.Long: |
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316 return RValue(ConstantInt.GetS(Type.Int64, integerLit.number.integer)); |
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317 case NumberType.ULong: |
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318 return RValue(ConstantInt.GetS(Type.Int64, integerLit.number.integer)); |
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319 case NumberType.Float: |
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320 return RValue(ConstantReal.Get(Type.Float, integerLit.number.floating)); |
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321 case NumberType.Double: |
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322 return RValue(ConstantReal.Get(Type.Double, integerLit.number.floating)); |
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323 case NumberType.Real: |
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324 return RValue(ConstantReal.Get(Type.X86_FP80, integerLit.number.floating)); |
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325 } |
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326 case ExpType.Negate: |
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327 auto negateExp = cast(NegateExp)exp; |
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328 auto target = genExpression(negateExp.exp); |
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329 return RValue(b.buildNeg(target.value, "neg")); |
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330 case ExpType.Deref: |
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331 auto derefExp = cast(DerefExp)exp; |
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332 auto target = genExpression(derefExp.exp); |
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333 return RValue(b.buildLoad(target.value, "deref")); |
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334 case ExpType.AssignExp: |
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335 auto AE = cast(AssignExp)exp; |
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336 LValue dst = genLValue(AE.identifier); |
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337 RValue src = genExpression(AE.exp); |
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338 storeThroughLValue(dst, src, AE.exp.type()); |
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339 return src; |
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340 case ExpType.Index: |
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341 auto indexExp = cast(IndexExp)exp; |
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342 return loadLValue(genLValue(exp)); |
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343 case ExpType.CallExp: |
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344 auto callExp = cast(CallExp)exp; |
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345 // BUG: Might not be a simple identifier, a.foo(x) is also a |
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346 // valid call - or foo(x)(y) for that matter. |
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347 auto id = exp.env.find(cast(Identifier)callExp.exp); |
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348 scope args = new Value[callExp.args.length]; |
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349 foreach (i, arg; callExp.args) |
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350 args[i] = genExpression(arg).value; |
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351 llvm(id.type); |
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352 auto f = m.getNamedFunction(id.getMangled); |
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353 DFunction f_type = cast(DFunction)id.type; |
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354 bool isVoid = f_type.returnType is DType.Void; |
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355 // BUG: doesn't do implicit type-conversion on args |
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356 auto r = b.buildCall(f, args, isVoid? "" : "call"); |
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357 return RValue(r); |
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358 case ExpType.CastExp: |
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359 auto castExp = cast(CastExp)exp; |
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360 auto value = genExpression(castExp.exp).value; |
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361 |
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362 if (!castExp.exp.type.hasImplicitConversionTo(castExp.type)) |
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363 assert(0, "Invalid cast"); |
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364 |
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365 Value v = buildCastLoad(castExp.exp.type, castExp.type, value); |
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366 |
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367 return RValue(v); |
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368 |
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369 case ExpType.Identifier: |
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370 auto identifier = cast(Identifier)exp; |
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371 auto id = exp.env.find(identifier); |
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372 if(id.type.isStruct() || id.type.isArray()) |
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373 return RValue(table.find(id.get)); |
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374 else |
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375 return RValue(b.buildLoad(table.find(id.get), id.get)); |
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376 case ExpType.MemberReference: |
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377 return loadLValue(genLValue(exp)); |
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378 } |
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379 assert(0, "Reached end of switch in genExpression"); |
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380 return RValue(null); |
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381 } |
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382 |
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383 /** |
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384 Generate a binary expression. |
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385 |
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386 Currently only works for signed and unsigned integers, but is almost |
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387 ready for floats and should be expanded to everything else. |
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388 **/ |
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389 Value genBinExp(BinaryExp e) |
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390 { |
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391 auto left = genExpression(e.left).value; |
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392 auto right = genExpression(e.right).value; |
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393 DType t_a = e.left.type; |
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394 DType t_b = e.right.type; |
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395 |
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396 Value res; |
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397 // TODO: do usual type promotions on a and b |
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398 // TODO: support floats |
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399 if (t_a.isArithmetic() && t_b.isArithmetic()) |
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400 { |
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401 Operation op = t_a.getOperationWith(op2op(e.op), t_b); |
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402 assert(op.isBuiltin(), |
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403 "integers should only use builtin ops"); |
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404 alias BuiltinOperation BO; |
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405 BO val = op.builtinOp(); |
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406 // map val to buildAdd or similar |
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407 switch (val) { |
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408 case BO.Add: res = b.buildAdd(left, right, "add"); break; |
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409 case BO.Sub: res = b.buildSub(left, right, "sub"); break; |
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410 case BO.Mul: res = b.buildMul(left, right, "mul"); break; |
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411 case BO.SDiv: res = b.buildSDiv(left, right, "div"); break; |
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412 case BO.UDiv: res = b.buildUDiv(left, right, "div"); break; |
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413 case BO.FDiv: res = b.buildFDiv(left, right, "div"); break; |
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414 case BO.SRem: res = b.buildSRem(left, right, "rem"); break; |
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415 case BO.URem: res = b.buildURem(left, right, "rem"); break; |
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416 case BO.FRem: res = b.buildFRem(left, right, "rem"); break; |
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417 default: |
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418 LLVMPred pred = predFromBI(val); |
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419 IntPredicate ip = pred.intPred; |
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420 RealPredicate rp = pred.realPred; |
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421 assert(pred.isValid, "Not a predicate"); |
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422 if (pred.isReal) |
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423 res = b.buildFCmp(rp, left, right, "cmp"); |
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424 else |
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425 res = b.buildICmp(ip, left, right, "cmp"); |
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426 break; |
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427 } |
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428 } |
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429 else |
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430 /* |
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431 if left has op for right's type: |
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432 a_op = left.op(right) |
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433 if right has usable op_r: |
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434 b_op_r = right.op_r(left) |
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435 if a_op or b_op_r is set, choose the best one |
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436 else if op is commutative |
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437 if left has usable op_r |
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438 a_op_r = left.op_r(right) |
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439 if right has usable op |
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440 b_op = right.op(left) |
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441 choose best one from a_op_r and b_op |
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442 else error |
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443 */ |
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444 assert(0, "Not integers?"); |
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445 |
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446 return res; |
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447 } |
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448 |
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449 /** |
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450 Generates one statement |
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451 **/ |
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452 // This should be split into specific methods - one per Stmt type? |
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453 void genStmt(Stmt stmt) |
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454 { |
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455 switch(stmt.stmtType) |
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456 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
457 case StmtType.Compound: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
458 auto stmts = cast(CompoundStatement)stmt; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
459 foreach (s; stmts.statements) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
460 genStmt(s); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
461 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
462 case StmtType.Return: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
463 auto ret = cast(ReturnStmt)stmt; |
64
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
Anders Halager <halager@gmail.com>
parents:
63
diff
changeset
|
464 DFunction type = stmt.env.parentFunction().type(); |
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
Anders Halager <halager@gmail.com>
parents:
63
diff
changeset
|
465 Type t = llvm(type.returnType); |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
466 if (ret.exp is null) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
467 if (t is Type.Void) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
468 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
469 b.buildRetVoid(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
470 return; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
471 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
472 else |
114
3a0cd42de9cc
Removed misc/Error.d and is now using the error system all way through.
Anders Johnsen <skabet@gmail.com>
parents:
107
diff
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|
473 assert(0, PE.VoidRetInNonVoidFunc); |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
474 |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
diff
changeset
|
475 RValue v = genExpression(ret.exp); |
55
79cb0afafabe
Now structs are somewhat useable to use.
Anders Johnsen <skabet@gmail.com>
parents:
54
diff
changeset
|
476 /* if (v.type != t) |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
477 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
478 IntegerType v_t = cast(IntegerType) v.type; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
479 IntegerType i_t = cast(IntegerType) t; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
480 if (v_t is null || i_t is null) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
481 throw error(__LINE__, PE.NoImplicitConversion) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
482 .arg(v.type.toString) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
483 .arg(t.toString); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
484 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
485 if (v_t.numBits() < i_t.numBits()) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
486 v = b.buildSExt(v, t, ".cast"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
487 else |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
488 v = b.buildTrunc(v, t, ".cast"); |
55
79cb0afafabe
Now structs are somewhat useable to use.
Anders Johnsen <skabet@gmail.com>
parents:
54
diff
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|
489 }*/ |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
diff
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|
490 b.buildRet(v.value); |
51
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
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491 break; |
c96cdcbdb9d6
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Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
492 case StmtType.Decl: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
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493 auto declStmt = cast(DeclStmt)stmt; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
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494 genDecl(declStmt.decl); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
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495 break; |
c96cdcbdb9d6
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Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
496 case StmtType.Exp: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
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497 auto expStmt = cast(ExpStmt)stmt; |
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498 genExpression(expStmt.exp); |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
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499 break; |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
500 case StmtType.If: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
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501 auto ifStmt = cast(IfStmt)stmt; |
107
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Cleanup of codegen, better support for operators a few bugfixes
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101
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502 Value cond = genExpression(ifStmt.cond).value; |
51
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503 if (cond.type !is Type.Int1) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
504 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
505 Value False = ConstantInt.GetS(cond.type, 0); |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
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506 cond = b.buildICmp(IntPredicate.NE, cond, False, ".cond"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
507 } |
98
7f9240d4ddc1
Fixed tests - forgot some stuff in codegen.
Anders Johnsen <skabet@gmail.com>
parents:
96
diff
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|
508 auto func_name = stmt.env.parentFunction().identifier.getMangled; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
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509 Function func = m.getNamedFunction(func_name); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
510 bool has_else = (ifStmt.else_body !is null); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
511 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
512 auto thenBB = func.appendBasicBlock("then"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
513 auto elseBB = has_else? func.appendBasicBlock("else") : null; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
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514 auto mergeBB = func.appendBasicBlock("merge"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
515 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
516 b.buildCondBr(cond, thenBB, has_else? elseBB : mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
517 b.positionAtEnd(thenBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
518 genStmt(ifStmt.then_body); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
519 thenBB = b.getInsertBlock(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
520 if (b.getInsertBlock().terminated() is false) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
521 b.buildBr(mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
522 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
523 if (has_else) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
524 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
525 b.positionAtEnd(elseBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
526 genStmt(ifStmt.else_body); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
527 elseBB = b.getInsertBlock(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
528 if (elseBB.terminated() is false) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
529 b.buildBr(mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
530 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
531 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
532 b.positionAtEnd(mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
533 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
534 case StmtType.While: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
535 auto wStmt = cast(WhileStmt)stmt; |
56
4ae365eff712
Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents:
55
diff
changeset
|
536 auto func_name = stmt.env.parentFunction().identifier.get; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
537 Function func = m.getNamedFunction(func_name); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
538 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
539 auto condBB = func.appendBasicBlock("cond"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
540 auto bodyBB = func.appendBasicBlock("body"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
541 auto doneBB = func.appendBasicBlock("done"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
542 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
543 b.buildBr(condBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
544 b.positionAtEnd(condBB); |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
diff
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|
545 Value cond = genExpression(wStmt.cond).value; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
546 if (cond.type !is Type.Int1) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
547 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
548 Value False = ConstantInt.GetS(cond.type, 0); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
549 cond = b.buildICmp(IntPredicate.NE, cond, False, ".cond"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
550 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
551 b.buildCondBr(cond, bodyBB, doneBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
552 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
553 b.positionAtEnd(bodyBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
554 genStmt(wStmt.whileBody); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
555 if (b.getInsertBlock().terminated() is false) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
556 b.buildBr(condBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
557 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
558 b.positionAtEnd(doneBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
559 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
560 case StmtType.Switch: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
561 auto sw = cast(SwitchStmt)stmt; |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
562 Value cond = genExpression(sw.cond).value; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
563 |
56
4ae365eff712
Now return types works for structs... Also, simplyfing in AST have been startet - but still messy. This update is a little messy...
Anders Johnsen <skabet@gmail.com>
parents:
55
diff
changeset
|
564 auto func_name = stmt.env.parentFunction().identifier.get; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
565 Function func = m.getNamedFunction(func_name); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
566 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
567 BasicBlock oldBB = b.getInsertBlock(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
568 BasicBlock defBB; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
569 BasicBlock endBB = func.appendBasicBlock("sw.end"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
570 if (sw.defaultBlock) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
571 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
572 defBB = Function.InsertBasicBlock(endBB, "sw.def"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
573 b.positionAtEnd(defBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
574 foreach (case_statement; sw.defaultBlock) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
575 genStmt(case_statement); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
576 if (!defBB.terminated()) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
577 b.buildBr(endBB); |
c96cdcbdb9d6
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Anders Halager <halager@gmail.com>
parents:
diff
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|
578 b.positionAtEnd(oldBB); |
c96cdcbdb9d6
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parents:
diff
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|
579 } |
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Anders Halager <halager@gmail.com>
parents:
diff
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|
580 else |
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Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
581 defBB = endBB; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
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|
582 auto SI = b.buildSwitch(cond, defBB, sw.cases.length); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
583 foreach (c; sw.cases) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
584 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
585 BasicBlock prevBB; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
586 foreach (i, val; c.values) |
c96cdcbdb9d6
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Anders Halager <halager@gmail.com>
parents:
diff
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|
587 { |
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Anders Halager <halager@gmail.com>
parents:
diff
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|
588 auto BB = Function.InsertBasicBlock(defBB, "sw.bb"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
589 SI.addCase(ConstantInt.GetS(cond.type, c.values_converted[i]), BB); |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
590 |
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Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
591 if (i + 1 == c.values.length) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
592 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
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|
593 b.positionAtEnd(BB); |
c96cdcbdb9d6
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Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
594 foreach (case_statement; c.stmts) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
595 genStmt(case_statement); |
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parents:
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|
596 if (!BB.terminated()) |
c96cdcbdb9d6
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parents:
diff
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|
597 b.buildBr(c.followedByDefault? defBB : endBB); |
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Anders Halager <halager@gmail.com>
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598 } |
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parents:
diff
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|
599 |
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parents:
diff
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|
600 if (prevBB !is null && !prevBB.terminated()) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
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|
601 { |
c96cdcbdb9d6
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parents:
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|
602 b.positionAtEnd(prevBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
603 b.buildBr(BB); |
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parents:
diff
changeset
|
604 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
605 prevBB = BB; |
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parents:
diff
changeset
|
606 } |
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parents:
diff
changeset
|
607 } |
c96cdcbdb9d6
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|
608 b.positionAtEnd(endBB); |
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parents:
diff
changeset
|
609 break; |
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diff
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|
610 } |
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parents:
diff
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|
611 } |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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612 |
107
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613 /** |
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614 Given the address of something, load it into an alloc. |
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615 **/ |
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616 RValue loadLValue(LValue addr, char[] name = null) |
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617 { |
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618 Value val = addr.getAddress(); |
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619 if (name is null) |
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620 name = val.name.length > 0? val.name : "load"; |
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621 |
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622 auto res = b.buildLoad(val, name); |
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623 return RValue(res); |
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624 } |
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625 |
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626 /* |
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627 Get the address of an expression - allowing us to modify something in |
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628 memory or on the stack. |
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629 */ |
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630 LValue genLValue(Exp exp) |
51
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631 { |
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632 switch(exp.expType) |
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633 { |
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|
634 case ExpType.Identifier: |
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635 auto identifier = cast(Identifier)exp; |
93
621cedba53ea
Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
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636 auto id = exp.env.find(identifier); |
107
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637 return LValue(table.find(id.get)); |
80
682e20aa224f
Pointers working now - big YAY
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parents:
79
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638 case ExpType.Deref: |
116
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Add in the types for float and co.
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639 // LValue(*x): load(x) |
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640 // RValue(*x): load(load(x)) |
107
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641 // This way *x = *x + 1 will work |
116
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642 // We need an ekstra load, because we get an i32** rather than |
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643 // i32* since stuff is alloc'd |
107
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644 auto DE = cast(DerefExp)exp; |
113 | 645 return LValue(genExpression(DE.exp).value); |
83
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Parse array indexing, and allow reading from arrays
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82
diff
changeset
|
646 case ExpType.Index: |
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Parse array indexing, and allow reading from arrays
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82
diff
changeset
|
647 auto indexExp = cast(IndexExp)exp; |
85
9375bd975730
Allow indexing of pointers also
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83
diff
changeset
|
648 auto type = indexExp.target.type; |
83
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649 auto index = genExpression(indexExp.index); |
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650 Value[2] gep_indices; |
107
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651 gep_indices[0] = ZeroIndex; |
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652 gep_indices[1] = index.value; |
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653 Value res; |
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654 auto target = genLValue(indexExp.target).getAddress(); |
85
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|
655 if (type.isArray()) |
107
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656 res = b.buildGEP(target, gep_indices[0 .. 2], "index"); |
85
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|
657 else if (type.isPointer()) |
107
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658 res = b.buildGEP(target, gep_indices[1 .. 2], "index"); |
85
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Allow indexing of pointers also
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83
diff
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|
659 else assert(0, "Can only index pointers and arrays"); |
107
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660 return LValue(res); |
55
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Now structs are somewhat useable to use.
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54
diff
changeset
|
661 case ExpType.MemberReference: |
79cb0afafabe
Now structs are somewhat useable to use.
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54
diff
changeset
|
662 auto mem = cast(MemberReference)exp; |
107
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|
663 switch (mem.target.expType) |
51
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|
664 { |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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diff
changeset
|
665 case ExpType.Identifier: |
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diff
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|
666 auto identifier = cast(Identifier)mem.target; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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diff
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|
667 auto child = mem.child; |
93
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Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
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|
668 auto id = exp.env.find(identifier); |
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Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
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669 Value v = table.find(id.get); |
621cedba53ea
Removed the Symbol from semantics - it was not needed anymore. From now on you set the type by doing a setType on an Identifier.
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|
670 DType t = id.type; |
64
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
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63
diff
changeset
|
671 auto st = t.asStruct; |
51
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diff
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|
672 |
55
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Now structs are somewhat useable to use.
Anders Johnsen <skabet@gmail.com>
parents:
54
diff
changeset
|
673 int i = st.indexOf(child.get); |
51
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
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|
674 |
107
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|
675 Value[2] vals; |
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676 vals[0] = ZeroIndex; |
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677 vals[1] = ConstantInt.GetU(IntegerType.Int32, i); |
51
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diff
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|
678 |
93
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92
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|
679 Value val = b.buildGEP(v, vals, id.get~"."~child.get); |
107
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680 return LValue(val); |
51
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diff
changeset
|
681 |
72
628cb46ab13b
First update on the way to Arrays! :)
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70
diff
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|
682 case ExpType.MemberReference: |
107
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683 auto addr = genLValue(mem.target).getAddress(); |
72
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First update on the way to Arrays! :)
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70
diff
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|
684 auto child = mem.child; |
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First update on the way to Arrays! :)
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70
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|
685 auto symChild = child.env.find(child); |
628cb46ab13b
First update on the way to Arrays! :)
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|
686 DType t = mem.target.type; |
628cb46ab13b
First update on the way to Arrays! :)
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|
687 auto st = t.asStruct; |
628cb46ab13b
First update on the way to Arrays! :)
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70
diff
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|
688 |
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First update on the way to Arrays! :)
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|
689 int i = st.indexOf(child.get); |
628cb46ab13b
First update on the way to Arrays! :)
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|
690 |
107
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691 Value[2] vals; |
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692 vals[0] = ZeroIndex; |
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693 vals[1] = ConstantInt.GetU(IntegerType.Int32, i); |
72
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|
694 |
107
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695 Value val = b.buildGEP(addr, vals, "."~child.get); |
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696 return LValue(val); |
51
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diff
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|
697 } |
107
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|
698 break; |
51
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699 } |
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700 assert(0, "Reached end of switch in getPointer"); |
107
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Cleanup of codegen, better support for operators a few bugfixes
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701 return LValue(null); |
51
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|
702 } |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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diff
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|
703 |
107
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Cleanup of codegen, better support for operators a few bugfixes
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|
704 /** |
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Cleanup of codegen, better support for operators a few bugfixes
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705 Store into an lvalue from a rvalue. Both are assumed to have type t. |
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Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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706 **/ |
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Anders Halager <halager@gmail.com>
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101
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|
707 void storeThroughLValue(LValue dst, RValue src, DType t) |
51
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|
708 { |
107
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Cleanup of codegen, better support for operators a few bugfixes
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|
709 Value to = dst.getAddress(); |
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Anders Halager <halager@gmail.com>
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101
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710 Value from = src.value; |
51
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Anders Halager <halager@gmail.com>
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|
711 |
107
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|
712 auto a = cast(PointerType)to.type; |
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Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
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|
713 assert(a !is null, "Can only store through pointers"); |
51
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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diff
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|
714 |
107
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Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
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|
715 if (auto st = t.asStruct()) |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
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|
716 genMemcpy(to, from, t); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
717 else |
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Cleanup of codegen, better support for operators a few bugfixes
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|
718 b.buildStore(from, to); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
719 } |
51
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diff
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|
720 |
107
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Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
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|
721 /** |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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|
722 Copy from src into dst. The values are assumed to have the same size, |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
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723 and the amount of bytes to copy is taken from t. |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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724 **/ |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
725 void genMemcpy(Value dst, Value src, DType t) |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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726 { |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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|
727 Value from = b.buildBitCast(src, BytePtr, ".copy_from"); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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728 Value to = b.buildBitCast(dst, BytePtr, ".copy_to"); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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729 Value[4] args; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
730 args[0] = to; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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731 args[1] = from; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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732 args[2] = ConstantInt.GetS(Type.Int32, t.byteSize()); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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733 args[3] = ConstantInt.GetS(Type.Int32, 32); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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734 b.buildCall(llvm_memcpy, args[], null); |
51
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diff
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|
735 } |
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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diff
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|
736 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
737 /** |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
738 Get the LLVM Type corresponding to a DType. |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
739 |
c96cdcbdb9d6
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Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
740 Currently using the built-in associative array - not sure if it works |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
741 well when the hashes are so uniform. |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
742 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
743 Other possibilities would be to find a hash-function that works on |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
744 something as small as 4 bytes or to create a sparse array perhaps. |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
745 */ |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
746 Type llvm(DType t) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
747 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
748 if (auto llvm_t = t in type_map) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
749 return *llvm_t; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
750 return llvmCreateNew(t); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
751 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
752 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
753 // Create an LLVM type and insert it into the type map, and return the |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
754 // result |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
755 Type llvmCreateNew(DType t) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
756 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
757 if (auto i = cast(DInteger)t) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
758 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
759 Type res = IntegerType.Get(i.byteSize() * 8); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
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|
760 type_map[t] = res; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
761 return res; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
762 } |
64
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
Anders Halager <halager@gmail.com>
parents:
63
diff
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|
763 else if (auto s = t.asStruct) |
53
da551f90e03f
Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals
Anders Johnsen <skabet@gmail.com>
parents:
52
diff
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|
764 { |
58 | 765 SmallArray!(Type, 8) members; |
68
381975d76baf
A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents:
67
diff
changeset
|
766 DType[] array; |
381975d76baf
A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
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parents:
67
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|
767 array.length = s.members.length; |
381975d76baf
A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents:
67
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|
768 |
107
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|
769 foreach (m; s.members) |
68
381975d76baf
A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents:
67
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|
770 array[m.index] = m.type; |
381975d76baf
A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents:
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|
771 |
107
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|
772 foreach (m; array) |
68
381975d76baf
A LOT of bug fixing - also implemented implicit casts. If you do a --ast-dump-code on a target with some algebra of differant types, you should now see the type casts being made. Also, Tests are again back with only switches failing...
Anders Johnsen <skabet@gmail.com>
parents:
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773 members ~= llvm(m); |
53
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Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals
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|
774 |
58 | 775 Type res = StructType.Get(members.unsafe()); |
53
da551f90e03f
Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals
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|
776 type_map[t] = res; |
64
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63
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|
777 m.addTypeName(s.name, res); |
53
da551f90e03f
Added struct decl and forward ref. A note on structs: they need to make a new scope when declared. Otherwise you could access struct members as globals
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parents:
52
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778 return res; |
da551f90e03f
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parents:
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diff
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779 } |
64
91f10c34cd7b
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Anders Halager <halager@gmail.com>
parents:
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|
780 else if (auto f = t.asFunction) |
59
1d6f4ad38a91
Make most of the tests pass again
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parents:
58
diff
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|
781 { |
64
91f10c34cd7b
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|
782 // We should never have a function returning structs, because of |
91f10c34cd7b
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|
783 // the simplify step |
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
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|
784 assert(f.returnType.isStruct() == false, "Can't return structs"); |
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
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785 Type ret_t = llvm(f.returnType); |
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Fixed some bugs, removed the function gathering pass in codegen and types are
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|
786 |
59
1d6f4ad38a91
Make most of the tests pass again
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58
diff
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|
787 SmallArray!(Type, 8) params; |
1d6f4ad38a91
Make most of the tests pass again
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diff
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|
788 foreach(param; f.params) |
64
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789 if (param.isStruct) |
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|
790 params ~= PointerType.Get(llvm(param)); |
86
29f486ccc203
Fixed a bug that made arrays as params fail big time
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parents:
85
diff
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|
791 else if (param.isArray) |
29f486ccc203
Fixed a bug that made arrays as params fail big time
Anders Johnsen <skabet@gmail.com>
parents:
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diff
changeset
|
792 params ~= PointerType.Get(llvm(param)); |
64
91f10c34cd7b
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63
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|
793 else |
91f10c34cd7b
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parents:
63
diff
changeset
|
794 params ~= llvm(param); |
59
1d6f4ad38a91
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58
diff
changeset
|
795 |
1d6f4ad38a91
Make most of the tests pass again
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parents:
58
diff
changeset
|
796 Type res = FunctionType.Get(ret_t, params.unsafe()); |
1d6f4ad38a91
Make most of the tests pass again
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|
797 type_map[t] = res; |
101
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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parents:
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|
798 auto id = new Identifier(f.name); |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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|
799 id.setType(f); |
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First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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|
800 |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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|
801 auto f_t = m.getNamedFunction(id.getMangled); |
fea8d61a2451
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|
802 if(f_t is null) |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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803 { |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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98
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804 auto llfunc = m.addFunction(res, id.getMangled); |
64
91f10c34cd7b
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|
805 |
101
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
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|
806 foreach (i, param; f.params) |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
Anders Johnsen <skabet@gmail.com>
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|
807 if (param.isStruct) |
fea8d61a2451
First step(the other first was a bad one) toward imports. You can now compile two files that use eachother - given that they both are in the command line. Right now it's only root sturcts and methods you can use(i guess...?)
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808 llfunc.addParamAttr(i, ParamAttr.ByVal); |
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809 |
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810 if (f.firstParamIsReturnValue) |
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811 { |
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812 llfunc.removeParamAttr(0, ParamAttr.ByVal); |
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813 llfunc.addParamAttr(0, ParamAttr.StructRet); |
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814 } |
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815 } |
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816 return res; |
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817 } |
77
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818 else if (auto f = t.asPointer) |
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819 { |
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820 Type res = PointerType.Get(llvm(f.pointerOf)); |
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821 type_map[t] = res; |
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822 return res; |
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823 } |
81 | 824 else if (auto f = t.asArray) |
825 { | |
826 Type res = ArrayType.Get(llvm(f.arrayOf), f.size); | |
827 type_map[t] = res; | |
828 return res; | |
829 } | |
59
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830 assert(0, "Only integers, structs and functions are supported"); |
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831 } |
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832 |
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833 Value buildCastLoad(DType from, DType to, Value value) |
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834 { |
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835 if(typeof(from) == DInteger) |
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836 { |
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837 if(to == Type.Double) |
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838 return b.buildFPTrunc(value, llvm(_to), "fptrunc"); |
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839 if(to == Type.Float) |
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840 return b.buildFPTrunc(value, llvm(_to), "fptrunc"); |
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841 } |
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842 /* |
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843 if(from == Type.Int64) |
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844 if(castExp.exp.type.byteSize <= castExp.type.byteSize) |
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845 v = b.buildZExt(value, llvm(castExp.type), "zext"); |
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846 else |
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847 v = b.buildTrunc(value, llvm(castExp.type), "trunc"); |
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848 } |
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849 */ |
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850 assert(0, "implicit cast need implimentation"); |
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851 } |
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852 // Might as well insert all the basic types from the start |
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853 void createBasicTypes() |
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854 { |
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855 type_map[DType.Void] = Type.Void; |
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856 |
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857 type_map[DType.Bool] = Type.Int1; |
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858 type_map[DType.Byte] = Type.Int8; |
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859 type_map[DType.UByte] = Type.Int8; |
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860 type_map[DType.Short] = Type.Int16; |
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861 type_map[DType.UShort] = Type.Int16; |
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862 type_map[DType.Int] = Type.Int32; |
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863 type_map[DType.UInt] = Type.Int32; |
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864 type_map[DType.Long] = Type.Int64; |
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865 type_map[DType.ULong] = Type.Int64; |
118
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866 |
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867 type_map[DType.Float] = Type.Float; |
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868 type_map[DType.Double] = Type.Double; |
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869 type_map[DType.Real] = Type.X86_FP80; |
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870 |
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871 type_map[DType.Char] = Type.Int8; |
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872 type_map[DType.WChar] = Type.Int16; |
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873 type_map[DType.DChar] = Type.Int32; |
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874 } |
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875 |
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876 private: |
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877 |
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878 // llvm stuff |
107
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879 DModule mod; |
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880 .llvm.llvm.Module m; |
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881 Builder b; |
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882 Function llvm_memcpy; |
107
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883 ConstantInt ZeroIndex; |
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884 Type BytePtr; |
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885 Type[DType] type_map; |
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886 |
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887 FuncDecl[char[]] functions; |
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888 |
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889 SimpleSymbolTable table; |
107
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890 } |
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891 |
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892 private Operator op2op(BinaryExp.Operator op) |
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893 { |
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894 alias BinaryExp.Operator O; |
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895 Operator res; |
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896 switch (op) { |
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897 case O.Add: res = Operator.Add; break; |
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898 case O.Sub: res = Operator.Sub; break; |
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899 case O.Mul: res = Operator.Mul; break; |
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900 case O.Div: res = Operator.Div; break; |
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901 |
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902 case O.Eq: res = Operator.Eq; break; |
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903 case O.Ne: res = Operator.Ne; break; |
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904 case O.Lt: res = Operator.Lt; break; |
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905 case O.Le: res = Operator.Le; break; |
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906 case O.Gt: res = Operator.Gt; break; |
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907 case O.Ge: res = Operator.Ge; break; |
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908 } |
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909 return res; |
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910 } |
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911 |
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912 private struct LLVMPred |
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913 { |
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914 bool isValid = false; |
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915 bool isReal; |
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916 union { |
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917 IntPredicate intPred; |
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918 RealPredicate realPred; |
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919 } |
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920 |
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921 static LLVMPred Int(IntPredicate p) |
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922 { |
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923 LLVMPred res; |
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924 res.isValid = true; |
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925 res.isReal = false; |
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926 res.intPred = p; |
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927 return res; |
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928 } |
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929 static LLVMPred Real(RealPredicate p) |
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930 { |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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101
diff
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|
931 LLVMPred res; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
932 res.isValid = true; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
933 res.isReal = true; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
934 res.realPred = p; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
935 return res; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
936 } |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
937 } |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
938 private LLVMPred predFromBI(BuiltinOperation op) |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
939 { |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
940 alias BuiltinOperation O; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
941 LLVMPred pred; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
942 switch (op) { |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
943 case O.Eq: pred = LLVMPred.Int(IntPredicate.EQ); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
944 case O.Ne: pred = LLVMPred.Int(IntPredicate.NE); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
945 |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
946 case O.SLt: pred = LLVMPred.Int(IntPredicate.SLT); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
947 case O.ULt: pred = LLVMPred.Int(IntPredicate.ULT); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
948 case O.FLt: pred = LLVMPred.Real(RealPredicate.OLT); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
949 |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
950 case O.SLe: pred = LLVMPred.Int(IntPredicate.SLE); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
951 case O.ULe: pred = LLVMPred.Int(IntPredicate.ULE); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
952 case O.FLe: pred = LLVMPred.Real(RealPredicate.OLE); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
953 |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
954 case O.SGt: pred = LLVMPred.Int(IntPredicate.SGT); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
955 case O.UGt: pred = LLVMPred.Int(IntPredicate.UGT); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
956 case O.FGt: pred = LLVMPred.Real(RealPredicate.OGT); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
957 |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
958 case O.SGe: pred = LLVMPred.Int(IntPredicate.SGE); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
959 case O.UGe: pred = LLVMPred.Int(IntPredicate.UGE); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
960 case O.FGe: pred = LLVMPred.Real(RealPredicate.OGE); break; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
961 }; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
962 return pred; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
963 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
964 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
965 private class VisitFuncDecls : Visitor!(void) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
966 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
967 void delegate(FuncDecl) dg; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
968 this(void delegate(FuncDecl funcDecl) dg) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
969 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
970 this.dg = dg; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
971 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
972 |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
973 override void visitModule(DModule m) |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
974 { |
94
48bb2287c035
Added Modules. Right now it's very simple - will grow with time and need.
Anders Johnsen <skabet@gmail.com>
parents:
93
diff
changeset
|
975 foreach (decl; m.decls) |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
976 if (auto f = cast(FuncDecl)decl) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
977 dg(f); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
978 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
979 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
980 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
981 private class SimpleSymbolTable |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
982 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
983 Value[char[]][] namedValues; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
984 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
985 void enterScope() |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
986 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
987 namedValues ~= cast(Value[char[]])["__dollar":null]; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
988 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
989 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
990 void leaveScope() |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
991 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
992 namedValues.length = namedValues.length - 1; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
993 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
994 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
995 Value put(Value val, char[] key) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
996 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
997 namedValues[$ - 1][key] = val; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
998 return val; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
999 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1000 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1001 Value find(char[] key) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1002 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1003 foreach_reverse (map; namedValues) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1004 if(auto val_ptr = key in map) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1005 return *val_ptr; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1006 return null; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1007 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1008 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1009 alias find opIndex; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1010 alias put opIndexAssign; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1011 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
1012 |