Mercurial > projects > dang
annotate gen/CodeGen.d @ 117:54955003765b
merge
author | Anders Halager <halager@gmail.com> |
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date | Sun, 25 May 2008 18:20:13 +0200 |
parents | 0cd8d6ab3f89 e89c42733e10 |
children | 54585ad7e426 |
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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 |
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16 import lexer.Token; |
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17 |
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18 import sema.Scope, |
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19 sema.Visitor; |
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20 |
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21 /** |
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22 Wrapper for Values representing rvalues (things you can only read from) |
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23 **/ |
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24 private struct RValue |
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25 { |
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26 /** |
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27 Returns true if this is a simple value, like an int or a pointer. |
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28 This is basicly anything except a struct, which will contain a Value that |
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29 is a pointer to the struct. |
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30 **/ |
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31 bool isSimple() { return simple; } |
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32 /// Opposite of isSimple |
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33 bool isAggregate() { return !simple; } |
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34 |
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35 Value value; |
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36 private bool simple = true; |
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37 } |
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38 |
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39 /** |
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40 Wrapper for Values representing lvalues (things you can write to) |
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41 **/ |
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42 private struct LValue |
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43 { |
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44 Value getAddress() { return value; } |
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45 private Value value; |
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46 } |
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47 |
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48 class CodeGen |
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49 { |
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50 public: |
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51 this() |
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52 { |
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53 b = new Builder; |
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54 ZeroIndex = ConstantInt.GetU(Type.Int32, 0); |
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55 |
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56 table = new SimpleSymbolTable(); |
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57 |
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58 createBasicTypes(); |
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59 } |
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60 |
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61 /** |
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62 Generate a new module. |
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63 **/ |
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64 /* |
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65 Find all function decls and add the functions to the llvm module, so |
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66 they can be referenced. |
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67 |
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68 Make sure all var-decls are located before functions, so we wont get |
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69 problems when referencing the global vars. |
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70 |
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71 Generate the actual llvm code needed for all decls |
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72 |
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73 Optimize if requested |
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74 |
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75 Write to filehandle (can be a file or stdout) |
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76 */ |
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77 void gen(DModule mod, uint handle, bool optimize, bool inline) |
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78 { |
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79 this.mod = mod; |
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80 // create module |
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81 m = new .llvm.llvm.Module("main_module"); |
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82 scope(exit) m.dispose(); |
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83 |
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84 table.enterScope; |
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85 |
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86 BytePtr = PointerType.Get(Type.Int8); |
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87 auto temp = FunctionType.Get( |
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88 Type.Void, |
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89 [BytePtr, BytePtr, Type.Int32, Type.Int32]); |
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90 llvm_memcpy = m.addFunction(temp, "llvm.memcpy.i32"); |
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91 |
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92 auto registerFunc = |
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93 (FuncDecl fd) |
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94 { |
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95 Type[] param_types; |
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96 foreach (i, p; fd.funcArgs) |
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97 { |
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98 DType t = p.env.find(p.identifier).type; |
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99 if (auto st = t.asStruct()) |
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100 { |
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101 Type pointer = PointerType.Get(llvm(st)); |
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102 param_types ~= pointer; |
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103 } |
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104 else if (auto ar = t.asArray()) |
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105 { |
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106 Type pointer = PointerType.Get(llvm(ar)); |
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107 param_types ~= pointer; |
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108 } |
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109 else |
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110 param_types ~= llvm(t); |
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111 } |
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112 auto ret_t = fd.env.find(fd.identifier).type; |
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113 if(auto st = cast(DStruct)ret_t) |
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114 ret_t = DType.Void; |
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115 else if(auto f = cast(DFunction)ret_t) |
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116 ret_t = f.returnType; |
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117 auto func_t = FunctionType.Get(llvm(ret_t), param_types); |
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118 auto llfunc = m.addFunction(func_t, fd.identifier.getMangled); |
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119 |
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120 foreach (i, p; fd.funcArgs) |
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121 { |
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122 if(i == 0 && fd.sret) |
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123 llfunc.addParamAttr(0, ParamAttr.StructRet); |
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124 |
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125 DType t = p.env.find(p.identifier).type; |
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126 if (auto st = t.asStruct) |
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127 { |
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128 if (i == 0 && fd.sret) |
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129 continue; |
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130 llfunc.addParamAttr(i, ParamAttr.ByVal); |
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131 } |
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132 else if (auto ar = t.asArray) |
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133 { |
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134 llfunc.addParamAttr(i, ParamAttr.ByVal); |
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135 } |
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136 } |
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137 }; |
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138 auto visitor = new VisitFuncDecls(registerFunc); |
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139 visitor.visit([mod]); |
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140 // Before beginning we move all top level var-decls to the start |
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141 // and then we generate the var-decls first |
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142 // partition is NOT required to be stable, but that should not create |
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143 // any problems. |
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144 partition(mod.decls, (Decl d) { return d.declType == DeclType.VarDecl; }); |
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145 |
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146 foreach (decl; mod.decls) |
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147 genRootDecl(decl); |
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148 |
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149 table.leaveScope; |
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150 |
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151 // debug m.verify(); |
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152 |
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153 if(optimize) |
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154 m.optimize(inline); |
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155 |
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156 m.writeBitcodeToFileHandle(handle); |
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157 } |
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158 |
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159 private: |
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160 /** |
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161 Generate a single top-level Decl |
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162 **/ |
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163 void genRootDecl(Decl decl) |
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164 { |
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165 switch(decl.declType) |
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166 { |
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167 case DeclType.FuncDecl: |
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168 FuncDecl funcDecl = cast(FuncDecl)decl; |
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169 |
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170 // Empty function - declare; |
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171 if(funcDecl.emptyFunction) |
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172 return; |
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173 |
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174 llvm(funcDecl.type); |
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175 auto llfunc = m.getNamedFunction(funcDecl.identifier.getMangled); |
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176 auto func_tp = cast(PointerType)llfunc.type; |
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177 auto func_t = cast(FunctionType)func_tp.elementType(); |
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178 auto ret_t = func_t.returnType(); |
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179 |
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180 |
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181 auto bb = llfunc.appendBasicBlock("entry"); |
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182 b.positionAtEnd(bb); |
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183 |
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184 table.enterScope; |
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185 foreach (i, v; funcDecl.funcArgs) |
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186 { |
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187 llfunc.getParam(i).name = v.identifier.get; |
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188 auto name = v.identifier.get; |
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189 if (!cast(PointerType)llfunc.getParam(i).type) |
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190 { |
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191 auto AI = b.buildAlloca(llfunc.getParam(i).type, name); |
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192 // Value va = b.buildLoad(val, name); |
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193 b.buildStore(llfunc.getParam(i), AI); |
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194 table[name] = AI; |
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195 } |
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196 else |
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197 table[name] = llfunc.getParam(i); |
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198 } |
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199 |
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200 foreach (stmt; funcDecl.statements) |
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201 genStmt(stmt); |
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202 |
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203 // if the function didn't end with a return, we automatically |
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204 // add one (return 0 as default) |
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205 if (b.getInsertBlock().terminated() is false) |
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206 if (ret_t is Type.Void) |
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207 b.buildRetVoid(); |
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208 else |
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209 b.buildRet(ConstantInt.GetS(ret_t, 0)); |
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210 |
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211 table.leaveScope; |
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212 break; |
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213 |
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214 case DeclType.VarDecl: |
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215 auto varDecl = cast(VarDecl)decl; |
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216 auto id = varDecl.env.find(varDecl.identifier); |
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217 Type t = llvm(id.type); |
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218 GlobalVariable g = m.addGlobal(t, id.get); |
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219 g.initializer = ConstantInt.GetS(t, 0); |
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220 table[varDecl.identifier.get] = g; |
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221 break; |
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222 |
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223 case DeclType.StructDecl: |
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224 auto structDecl = cast(StructDecl)decl; |
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225 llvm(structDecl.type); |
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226 //m.addTypeName(structDecl.identifier.get, llvm(structDecl.type)); |
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227 break; |
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228 |
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229 default: |
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230 break; |
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231 } |
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232 } |
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233 |
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234 /** |
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235 Generate a single local Decl |
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236 **/ |
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237 void genDecl(Decl decl) |
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238 { |
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239 switch(decl.declType) |
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240 { |
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241 case DeclType.VarDecl: |
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242 auto varDecl = cast(VarDecl)decl; |
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243 auto name = varDecl.identifier.get; |
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244 auto sym = varDecl.env.find(varDecl.identifier); |
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245 auto AI = b.buildAlloca(llvm(sym.type), name); |
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246 table[name] = AI; |
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247 if (varDecl.init) |
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248 { |
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249 LValue dst = genLValue(varDecl.identifier); |
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250 RValue src = genExpression(varDecl.init); |
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251 storeThroughLValue(dst, src, sym.type); |
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252 } |
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253 break; |
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254 |
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255 default: |
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256 } |
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257 } |
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258 |
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259 // Remove - do it right (basic/Messages.d) |
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260 struct PE |
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261 { |
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262 static char[] NoImplicitConversion = |
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263 "Can't find an implicit conversion between %0 and %1"; |
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264 static char[] VoidRetInNonVoidFunc = |
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265 "Only void functions can return without an expression"; |
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266 } |
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267 |
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268 /** |
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269 Takes two iX and overwrite the smaller one, with a sign-extended version |
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270 so both values can be operated on without worrying about the exact types. |
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271 |
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272 Used when adding a int and a long or similar. |
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273 |
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274 Currently unused |
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275 **/ |
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276 void sextSmallerToLarger(ref Value left, ref Value right) |
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277 { |
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278 if (left.type != right.type) |
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279 { |
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280 // try to find a convertion - only works for iX |
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281 IntegerType l = cast(IntegerType) left.type; |
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282 IntegerType r = cast(IntegerType) right.type; |
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283 if (l is null || r is null) |
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284 assert(0, PE.NoImplicitConversion); |
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285 /* |
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286 .arg(left.type.toString) |
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287 .arg(right.type.toString);*/ |
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288 |
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289 if (l.numBits() < r.numBits()) |
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290 left = b.buildSExt(left, r, ".cast"); |
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291 else |
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292 right = b.buildSExt(right, l, ".cast"); |
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293 } |
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294 } |
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295 |
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296 /** |
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297 Generate a single expression. |
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298 |
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299 This is the most general way of generating expressions and therefore |
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300 returns an RValue. |
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301 **/ |
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302 RValue genExpression(Exp exp) |
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303 { |
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304 switch(exp.expType) |
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305 { |
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306 case ExpType.Binary: |
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307 return RValue(genBinExp(cast(BinaryExp)exp)); |
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308 case ExpType.IntegerLit: |
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309 auto integetLit = cast(IntegerLit)exp; |
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310 auto val = Integer.parse(integetLit.get); |
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311 return RValue(ConstantInt.GetS(Type.Int32, val)); |
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312 case ExpType.Negate: |
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313 auto negateExp = cast(NegateExp)exp; |
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314 auto target = genExpression(negateExp.exp); |
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315 return RValue(b.buildNeg(target.value, "neg")); |
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316 case ExpType.Deref: |
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317 auto derefExp = cast(DerefExp)exp; |
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318 auto target = genExpression(derefExp.exp); |
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319 return RValue(b.buildLoad(target.value, "deref")); |
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320 case ExpType.AssignExp: |
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321 auto AE = cast(AssignExp)exp; |
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322 LValue dst = genLValue(AE.identifier); |
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323 RValue src = genExpression(AE.exp); |
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324 storeThroughLValue(dst, src, AE.exp.type()); |
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325 return src; |
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326 case ExpType.Index: |
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327 auto indexExp = cast(IndexExp)exp; |
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328 return loadLValue(genLValue(exp)); |
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329 case ExpType.CallExp: |
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330 auto callExp = cast(CallExp)exp; |
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331 // BUG: Might not be a simple identifier, a.foo(x) is also a |
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332 // valid call - or foo(x)(y) for that matter. |
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333 auto id = exp.env.find(cast(Identifier)callExp.exp); |
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334 scope args = new Value[callExp.args.length]; |
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335 foreach (i, arg; callExp.args) |
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336 args[i] = genExpression(arg).value; |
101
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337 llvm(id.type); |
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338 auto f = m.getNamedFunction(id.getMangled); |
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339 DFunction f_type = cast(DFunction)id.type; |
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340 bool isVoid = f_type.returnType is DType.Void; |
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341 // BUG: doesn't do implicit type-conversion on args |
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342 auto r = b.buildCall(f, args, isVoid? "" : "call"); |
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343 return RValue(r); |
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344 case ExpType.CastExp: |
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345 auto castExp = cast(CastExp)exp; |
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346 auto value = genExpression(castExp.exp).value; |
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347 |
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348 if (!castExp.type.hasImplicitConversionTo(castExp.type)) |
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349 assert(0, "Invalid cast"); |
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350 |
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351 Value v; |
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352 if(castExp.exp.type.byteSize <= castExp.type.byteSize) |
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353 v = b.buildZExt(value, llvm(castExp.type), "zext"); |
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354 else |
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355 v = b.buildTrunc(value, llvm(castExp.type), "trunc"); |
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356 |
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357 return RValue(v); |
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358 |
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359 case ExpType.Identifier: |
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360 auto identifier = cast(Identifier)exp; |
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361 auto id = exp.env.find(identifier); |
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362 if(id.type.isStruct() || id.type.isArray()) |
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363 return RValue(table.find(id.get)); |
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364 else |
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365 return RValue(b.buildLoad(table.find(id.get), id.get)); |
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366 case ExpType.MemberReference: |
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367 return loadLValue(genLValue(exp)); |
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368 } |
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369 assert(0, "Reached end of switch in genExpression"); |
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370 return RValue(null); |
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371 } |
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372 |
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373 /** |
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374 Generate a binary expression. |
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375 |
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376 Currently only works for signed and unsigned integers, but is almost |
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377 ready for floats and should be expanded to everything else. |
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378 **/ |
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379 Value genBinExp(BinaryExp e) |
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380 { |
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381 auto left = genExpression(e.left).value; |
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382 auto right = genExpression(e.right).value; |
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383 DType t_a = e.left.type; |
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384 DType t_b = e.right.type; |
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385 |
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386 Value res; |
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387 // TODO: do usual type promotions on a and b |
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388 // TODO: support floats |
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389 if (t_a.isArithmetic() && t_b.isArithmetic()) |
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390 { |
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391 Operation op = t_a.getOperationWith(op2op(e.op), t_b); |
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392 assert(op.isBuiltin(), |
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393 "integers should only use builtin ops"); |
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394 alias BuiltinOperation BO; |
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395 BO val = op.builtinOp(); |
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396 // map val to buildAdd or similar |
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397 switch (val) { |
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398 case BO.Add: res = b.buildAdd(left, right, "add"); break; |
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399 case BO.Sub: res = b.buildSub(left, right, "sub"); break; |
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400 case BO.Mul: res = b.buildMul(left, right, "mul"); break; |
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401 case BO.SDiv: res = b.buildSDiv(left, right, "div"); break; |
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402 case BO.UDiv: res = b.buildUDiv(left, right, "div"); break; |
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403 case BO.FDiv: res = b.buildFDiv(left, right, "div"); break; |
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404 case BO.SRem: res = b.buildSRem(left, right, "rem"); break; |
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405 case BO.URem: res = b.buildURem(left, right, "rem"); break; |
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406 case BO.FRem: res = b.buildFRem(left, right, "rem"); break; |
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407 default: |
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408 LLVMPred pred = predFromBI(val); |
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409 IntPredicate ip = pred.intPred; |
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410 RealPredicate rp = pred.realPred; |
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411 assert(pred.isValid, "Not a predicate"); |
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412 if (pred.isReal) |
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413 res = b.buildFCmp(rp, left, right, "cmp"); |
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414 else |
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415 res = b.buildICmp(ip, left, right, "cmp"); |
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416 break; |
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417 } |
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418 } |
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419 else |
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420 /* |
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421 if left has op for right's type: |
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422 a_op = left.op(right) |
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423 if right has usable op_r: |
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424 b_op_r = right.op_r(left) |
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425 if a_op or b_op_r is set, choose the best one |
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426 else if op is commutative |
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427 if left has usable op_r |
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428 a_op_r = left.op_r(right) |
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429 if right has usable op |
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430 b_op = right.op(left) |
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431 choose best one from a_op_r and b_op |
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432 else error |
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433 */ |
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434 assert(0, "Not integers?"); |
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435 |
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436 return res; |
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437 } |
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438 |
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439 /** |
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440 Generates one statement |
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441 **/ |
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442 // This should be split into specific methods - one per Stmt type? |
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443 void genStmt(Stmt stmt) |
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444 { |
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445 switch(stmt.stmtType) |
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446 { |
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447 case StmtType.Compound: |
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448 auto stmts = cast(CompoundStatement)stmt; |
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449 foreach (s; stmts.statements) |
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450 genStmt(s); |
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451 break; |
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452 case StmtType.Return: |
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453 auto ret = cast(ReturnStmt)stmt; |
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454 DFunction type = stmt.env.parentFunction().type(); |
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455 Type t = llvm(type.returnType); |
51
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
456 if (ret.exp is null) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
457 if (t is Type.Void) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
458 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
459 b.buildRetVoid(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
460 return; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
461 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
462 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
changeset
|
463 assert(0, PE.VoidRetInNonVoidFunc); |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
464 |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
465 RValue v = genExpression(ret.exp); |
55
79cb0afafabe
Now structs are somewhat useable to use.
Anders Johnsen <skabet@gmail.com>
parents:
54
diff
changeset
|
466 /* if (v.type != t) |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
467 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
468 IntegerType v_t = cast(IntegerType) v.type; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
469 IntegerType i_t = cast(IntegerType) t; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
470 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
|
471 throw error(__LINE__, PE.NoImplicitConversion) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
472 .arg(v.type.toString) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
473 .arg(t.toString); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
474 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
475 if (v_t.numBits() < i_t.numBits()) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
476 v = b.buildSExt(v, t, ".cast"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
477 else |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
478 v = b.buildTrunc(v, t, ".cast"); |
55
79cb0afafabe
Now structs are somewhat useable to use.
Anders Johnsen <skabet@gmail.com>
parents:
54
diff
changeset
|
479 }*/ |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
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|
480 b.buildRet(v.value); |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
481 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
482 case StmtType.Decl: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
483 auto declStmt = cast(DeclStmt)stmt; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
484 genDecl(declStmt.decl); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
485 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
486 case StmtType.Exp: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
487 auto expStmt = cast(ExpStmt)stmt; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
488 genExpression(expStmt.exp); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
489 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
490 case StmtType.If: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
491 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
diff
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492 Value cond = genExpression(ifStmt.cond).value; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
changeset
|
493 if (cond.type !is Type.Int1) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
494 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
495 Value False = ConstantInt.GetS(cond.type, 0); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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496 cond = b.buildICmp(IntPredicate.NE, cond, False, ".cond"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
497 } |
98
7f9240d4ddc1
Fixed tests - forgot some stuff in codegen.
Anders Johnsen <skabet@gmail.com>
parents:
96
diff
changeset
|
498 auto func_name = stmt.env.parentFunction().identifier.getMangled; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
499 Function func = m.getNamedFunction(func_name); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
500 bool has_else = (ifStmt.else_body !is null); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
501 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
502 auto thenBB = func.appendBasicBlock("then"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
503 auto elseBB = has_else? func.appendBasicBlock("else") : null; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
504 auto mergeBB = func.appendBasicBlock("merge"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
505 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
506 b.buildCondBr(cond, thenBB, has_else? elseBB : mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
507 b.positionAtEnd(thenBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
508 genStmt(ifStmt.then_body); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
509 thenBB = b.getInsertBlock(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
510 if (b.getInsertBlock().terminated() is false) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
511 b.buildBr(mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
512 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
513 if (has_else) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
514 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
515 b.positionAtEnd(elseBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
516 genStmt(ifStmt.else_body); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
517 elseBB = b.getInsertBlock(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
518 if (elseBB.terminated() is false) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
519 b.buildBr(mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
520 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
521 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
522 b.positionAtEnd(mergeBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
523 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
524 case StmtType.While: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
525 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
|
526 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
|
527 Function func = m.getNamedFunction(func_name); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
528 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
529 auto condBB = func.appendBasicBlock("cond"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
530 auto bodyBB = func.appendBasicBlock("body"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
531 auto doneBB = func.appendBasicBlock("done"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
532 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
533 b.buildBr(condBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
534 b.positionAtEnd(condBB); |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
535 Value cond = genExpression(wStmt.cond).value; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
536 if (cond.type !is Type.Int1) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
537 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
538 Value False = ConstantInt.GetS(cond.type, 0); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
539 cond = b.buildICmp(IntPredicate.NE, cond, False, ".cond"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
540 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
541 b.buildCondBr(cond, bodyBB, doneBB); |
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.positionAtEnd(bodyBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
544 genStmt(wStmt.whileBody); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
545 if (b.getInsertBlock().terminated() is false) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
546 b.buildBr(condBB); |
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 b.positionAtEnd(doneBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
549 break; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
550 case StmtType.Switch: |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
551 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
|
552 Value cond = genExpression(sw.cond).value; |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
553 |
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
|
554 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
|
555 Function func = m.getNamedFunction(func_name); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
556 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
557 BasicBlock oldBB = b.getInsertBlock(); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
558 BasicBlock defBB; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
559 BasicBlock endBB = func.appendBasicBlock("sw.end"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
560 if (sw.defaultBlock) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
561 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
562 defBB = Function.InsertBasicBlock(endBB, "sw.def"); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
563 b.positionAtEnd(defBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
564 foreach (case_statement; sw.defaultBlock) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
565 genStmt(case_statement); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
566 if (!defBB.terminated()) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
567 b.buildBr(endBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
568 b.positionAtEnd(oldBB); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
569 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
570 else |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
571 defBB = endBB; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
572 auto SI = b.buildSwitch(cond, defBB, sw.cases.length); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
573 foreach (c; sw.cases) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
574 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
575 BasicBlock prevBB; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
576 foreach (i, val; c.values) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
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577 { |
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578 auto BB = Function.InsertBasicBlock(defBB, "sw.bb"); |
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579 SI.addCase(ConstantInt.GetS(cond.type, c.values_converted[i]), BB); |
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580 |
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581 if (i + 1 == c.values.length) |
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parents:
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582 { |
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583 b.positionAtEnd(BB); |
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parents:
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584 foreach (case_statement; c.stmts) |
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Anders Halager <halager@gmail.com>
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585 genStmt(case_statement); |
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586 if (!BB.terminated()) |
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587 b.buildBr(c.followedByDefault? defBB : endBB); |
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588 } |
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diff
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|
589 |
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|
590 if (prevBB !is null && !prevBB.terminated()) |
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parents:
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591 { |
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diff
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592 b.positionAtEnd(prevBB); |
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parents:
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593 b.buildBr(BB); |
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594 } |
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595 prevBB = BB; |
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596 } |
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597 } |
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598 b.positionAtEnd(endBB); |
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599 break; |
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600 } |
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|
601 } |
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602 |
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603 /** |
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604 Given the address of something, load it into an alloc. |
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605 **/ |
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606 RValue loadLValue(LValue addr, char[] name = null) |
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607 { |
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608 Value val = addr.getAddress(); |
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609 if (name is null) |
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610 name = val.name.length > 0? val.name : "load"; |
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Cleanup of codegen, better support for operators a few bugfixes
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611 |
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612 auto res = b.buildLoad(val, name); |
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613 return RValue(res); |
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614 } |
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615 |
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616 /* |
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617 Get the address of an expression - allowing us to modify something in |
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618 memory or on the stack. |
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619 */ |
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620 LValue genLValue(Exp exp) |
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621 { |
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622 switch(exp.expType) |
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623 { |
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624 case ExpType.Identifier: |
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625 auto identifier = cast(Identifier)exp; |
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626 auto id = exp.env.find(identifier); |
107
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627 return LValue(table.find(id.get)); |
80
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628 case ExpType.Deref: |
116
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629 // LValue(*x): load(x) |
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630 // RValue(*x): load(load(x)) |
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631 // This way *x = *x + 1 will work |
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632 // We need an ekstra load, because we get an i32** rather than |
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633 // i32* since stuff is alloc'd |
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634 auto DE = cast(DerefExp)exp; |
113 | 635 return LValue(genExpression(DE.exp).value); |
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636 case ExpType.Index: |
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637 auto indexExp = cast(IndexExp)exp; |
85
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638 auto type = indexExp.target.type; |
83
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639 auto index = genExpression(indexExp.index); |
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640 Value[2] gep_indices; |
107
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641 gep_indices[0] = ZeroIndex; |
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642 gep_indices[1] = index.value; |
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643 Value res; |
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644 auto target = genLValue(indexExp.target).getAddress(); |
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645 if (type.isArray()) |
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646 res = b.buildGEP(target, gep_indices[0 .. 2], "index"); |
85
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647 else if (type.isPointer()) |
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648 res = b.buildGEP(target, gep_indices[1 .. 2], "index"); |
85
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649 else assert(0, "Can only index pointers and arrays"); |
107
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650 return LValue(res); |
55
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651 case ExpType.MemberReference: |
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diff
changeset
|
652 auto mem = cast(MemberReference)exp; |
107
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653 switch (mem.target.expType) |
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654 { |
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655 case ExpType.Identifier: |
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656 auto identifier = cast(Identifier)mem.target; |
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657 auto child = mem.child; |
93
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658 auto id = exp.env.find(identifier); |
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659 Value v = table.find(id.get); |
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660 DType t = id.type; |
64
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Fixed some bugs, removed the function gathering pass in codegen and types are
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661 auto st = t.asStruct; |
51
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662 |
55
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663 int i = st.indexOf(child.get); |
51
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664 |
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665 Value[2] vals; |
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666 vals[0] = ZeroIndex; |
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667 vals[1] = ConstantInt.GetU(IntegerType.Int32, i); |
51
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668 |
93
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669 Value val = b.buildGEP(v, vals, id.get~"."~child.get); |
107
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670 return LValue(val); |
51
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671 |
72
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First update on the way to Arrays! :)
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672 case ExpType.MemberReference: |
107
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673 auto addr = genLValue(mem.target).getAddress(); |
72
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674 auto child = mem.child; |
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675 auto symChild = child.env.find(child); |
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676 DType t = mem.target.type; |
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677 auto st = t.asStruct; |
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First update on the way to Arrays! :)
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678 |
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679 int i = st.indexOf(child.get); |
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680 |
107
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681 Value[2] vals; |
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682 vals[0] = ZeroIndex; |
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683 vals[1] = ConstantInt.GetU(IntegerType.Int32, i); |
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684 |
107
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685 Value val = b.buildGEP(addr, vals, "."~child.get); |
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686 return LValue(val); |
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687 } |
107
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688 break; |
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|
689 } |
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|
690 assert(0, "Reached end of switch in getPointer"); |
107
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691 return LValue(null); |
51
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|
692 } |
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|
693 |
107
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|
694 /** |
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695 Store into an lvalue from a rvalue. Both are assumed to have type t. |
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696 **/ |
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697 void storeThroughLValue(LValue dst, RValue src, DType t) |
51
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698 { |
107
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Anders Halager <halager@gmail.com>
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699 Value to = dst.getAddress(); |
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Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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700 Value from = src.value; |
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Anders Halager <halager@gmail.com>
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|
701 |
107
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Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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702 auto a = cast(PointerType)to.type; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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703 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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|
704 |
107
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Cleanup of codegen, better support for operators a few bugfixes
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101
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|
705 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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|
706 genMemcpy(to, from, t); |
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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707 else |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
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|
708 b.buildStore(from, to); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
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709 } |
51
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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diff
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|
710 |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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|
711 /** |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
712 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>
parents:
101
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|
713 and the amount of bytes to copy is taken from t. |
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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|
714 **/ |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
715 void genMemcpy(Value dst, Value src, DType t) |
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 { |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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parents:
101
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|
717 Value from = b.buildBitCast(src, BytePtr, ".copy_from"); |
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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|
718 Value to = b.buildBitCast(dst, BytePtr, ".copy_to"); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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719 Value[4] args; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
720 args[0] = to; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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721 args[1] = from; |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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722 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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723 args[3] = ConstantInt.GetS(Type.Int32, 32); |
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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724 b.buildCall(llvm_memcpy, args[], null); |
51
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Rearranged some stuff, and renamed LLVMGen -> CodeGen
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parents:
diff
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|
725 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
726 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
727 /** |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
728 Get the LLVM Type corresponding to a DType. |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
729 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
730 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
changeset
|
731 well when the hashes are so uniform. |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
732 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
733 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
changeset
|
734 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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|
735 */ |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
736 Type llvm(DType t) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
737 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
738 if (auto llvm_t = t in type_map) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
739 return *llvm_t; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
740 return llvmCreateNew(t); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
741 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
742 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
743 // 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
changeset
|
744 // result |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
745 Type llvmCreateNew(DType t) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
746 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
747 if (auto i = cast(DInteger)t) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
748 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
749 Type res = IntegerType.Get(i.byteSize() * 8); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
750 type_map[t] = res; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
751 return res; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
752 } |
64
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
Anders Halager <halager@gmail.com>
parents:
63
diff
changeset
|
753 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
changeset
|
754 { |
58 | 755 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
|
756 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...
Anders Johnsen <skabet@gmail.com>
parents:
67
diff
changeset
|
757 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
diff
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|
758 |
107
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Cleanup of codegen, better support for operators a few bugfixes
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|
759 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
diff
changeset
|
760 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:
67
diff
changeset
|
761 |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
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101
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|
762 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:
67
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changeset
|
763 members ~= llvm(m); |
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
diff
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|
764 |
58 | 765 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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parents:
52
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changeset
|
766 type_map[t] = res; |
64
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Fixed some bugs, removed the function gathering pass in codegen and types are
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parents:
63
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changeset
|
767 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:
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|
768 return res; |
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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769 } |
64
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
Anders Halager <halager@gmail.com>
parents:
63
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|
770 else if (auto f = t.asFunction) |
59
1d6f4ad38a91
Make most of the tests pass again
Anders Halager <halager@gmail.com>
parents:
58
diff
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|
771 { |
64
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
Anders Halager <halager@gmail.com>
parents:
63
diff
changeset
|
772 // We should never have a function returning structs, because of |
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
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63
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|
773 // the simplify step |
91f10c34cd7b
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|
774 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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775 Type ret_t = llvm(f.returnType); |
91f10c34cd7b
Fixed some bugs, removed the function gathering pass in codegen and types are
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63
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|
776 |
59
1d6f4ad38a91
Make most of the tests pass again
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58
diff
changeset
|
777 SmallArray!(Type, 8) params; |
1d6f4ad38a91
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58
diff
changeset
|
778 foreach(param; f.params) |
64
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779 if (param.isStruct) |
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diff
changeset
|
780 params ~= PointerType.Get(llvm(param)); |
86
29f486ccc203
Fixed a bug that made arrays as params fail big time
Anders Johnsen <skabet@gmail.com>
parents:
85
diff
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|
781 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
|
782 params ~= PointerType.Get(llvm(param)); |
64
91f10c34cd7b
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63
diff
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|
783 else |
91f10c34cd7b
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diff
changeset
|
784 params ~= llvm(param); |
59
1d6f4ad38a91
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parents:
58
diff
changeset
|
785 |
1d6f4ad38a91
Make most of the tests pass again
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parents:
58
diff
changeset
|
786 Type res = FunctionType.Get(ret_t, params.unsafe()); |
1d6f4ad38a91
Make most of the tests pass again
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parents:
58
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|
787 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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|
788 auto id = new Identifier(f.name); |
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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|
789 id.setType(f); |
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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|
790 |
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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|
791 auto f_t = m.getNamedFunction(id.getMangled); |
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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|
792 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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793 { |
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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794 auto llfunc = m.addFunction(res, id.getMangled); |
64
91f10c34cd7b
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diff
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|
795 |
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...?)
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|
796 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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797 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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798 llfunc.addParamAttr(i, ParamAttr.ByVal); |
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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parents:
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799 |
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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|
800 if (f.firstParamIsReturnValue) |
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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diff
changeset
|
801 { |
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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|
802 llfunc.removeParamAttr(0, ParamAttr.ByVal); |
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 llfunc.addParamAttr(0, ParamAttr.StructRet); |
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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|
804 } |
64
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805 } |
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806 return res; |
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807 } |
77
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808 else if (auto f = t.asPointer) |
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809 { |
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810 Type res = PointerType.Get(llvm(f.pointerOf)); |
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811 type_map[t] = res; |
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812 return res; |
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813 } |
81 | 814 else if (auto f = t.asArray) |
815 { | |
816 Type res = ArrayType.Get(llvm(f.arrayOf), f.size); | |
817 type_map[t] = res; | |
818 return res; | |
819 } | |
59
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820 assert(0, "Only integers, structs and functions are supported"); |
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821 } |
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822 |
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823 // Might as well insert all the basic types from the start |
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824 void createBasicTypes() |
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825 { |
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826 type_map[DType.Void] = Type.Void; |
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827 |
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828 type_map[DType.Bool] = Type.Int1; |
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829 type_map[DType.Byte] = Type.Int8; |
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830 type_map[DType.UByte] = Type.Int8; |
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831 type_map[DType.Short] = Type.Int16; |
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832 type_map[DType.UShort] = Type.Int16; |
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833 type_map[DType.Int] = Type.Int32; |
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834 type_map[DType.UInt] = Type.Int32; |
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835 type_map[DType.Long] = Type.Int64; |
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836 type_map[DType.ULong] = Type.Int64; |
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837 } |
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|
838 |
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839 private: |
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840 |
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841 // llvm stuff |
107
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842 DModule mod; |
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843 .llvm.llvm.Module m; |
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844 Builder b; |
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845 Function llvm_memcpy; |
107
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846 ConstantInt ZeroIndex; |
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847 Type BytePtr; |
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848 Type[DType] type_map; |
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849 |
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850 FuncDecl[char[]] functions; |
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851 |
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852 SimpleSymbolTable table; |
107
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853 } |
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854 |
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855 private Operator op2op(BinaryExp.Operator op) |
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856 { |
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857 alias BinaryExp.Operator O; |
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858 Operator res; |
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859 switch (op) { |
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860 case O.Add: res = Operator.Add; break; |
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861 case O.Sub: res = Operator.Sub; break; |
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862 case O.Mul: res = Operator.Mul; break; |
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863 case O.Div: res = Operator.Div; break; |
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864 |
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865 case O.Eq: res = Operator.Eq; break; |
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866 case O.Ne: res = Operator.Ne; break; |
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867 case O.Lt: res = Operator.Lt; break; |
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868 case O.Le: res = Operator.Le; break; |
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869 case O.Gt: res = Operator.Gt; break; |
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870 case O.Ge: res = Operator.Ge; break; |
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871 } |
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872 return res; |
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873 } |
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874 |
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875 private struct LLVMPred |
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876 { |
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877 bool isValid = false; |
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878 bool isReal; |
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879 union { |
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880 IntPredicate intPred; |
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881 RealPredicate realPred; |
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882 } |
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883 |
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884 static LLVMPred Int(IntPredicate p) |
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885 { |
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886 LLVMPred res; |
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887 res.isValid = true; |
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888 res.isReal = false; |
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889 res.intPred = p; |
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890 return res; |
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891 } |
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892 static LLVMPred Real(RealPredicate p) |
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893 { |
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894 LLVMPred res; |
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895 res.isValid = true; |
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896 res.isReal = true; |
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897 res.realPred = p; |
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898 return res; |
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899 } |
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900 } |
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901 private LLVMPred predFromBI(BuiltinOperation op) |
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902 { |
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903 alias BuiltinOperation O; |
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904 LLVMPred pred; |
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905 switch (op) { |
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906 case O.Eq: pred = LLVMPred.Int(IntPredicate.EQ); break; |
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907 case O.Ne: pred = LLVMPred.Int(IntPredicate.NE); break; |
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908 |
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909 case O.SLt: pred = LLVMPred.Int(IntPredicate.SLT); break; |
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910 case O.ULt: pred = LLVMPred.Int(IntPredicate.ULT); break; |
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911 case O.FLt: pred = LLVMPred.Real(RealPredicate.OLT); break; |
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912 |
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913 case O.SLe: pred = LLVMPred.Int(IntPredicate.SLE); break; |
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914 case O.ULe: pred = LLVMPred.Int(IntPredicate.ULE); break; |
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915 case O.FLe: pred = LLVMPred.Real(RealPredicate.OLE); break; |
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916 |
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917 case O.SGt: pred = LLVMPred.Int(IntPredicate.SGT); break; |
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918 case O.UGt: pred = LLVMPred.Int(IntPredicate.UGT); break; |
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919 case O.FGt: pred = LLVMPred.Real(RealPredicate.OGT); break; |
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920 |
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921 case O.SGe: pred = LLVMPred.Int(IntPredicate.SGE); break; |
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922 case O.UGe: pred = LLVMPred.Int(IntPredicate.UGE); break; |
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923 case O.FGe: pred = LLVMPred.Real(RealPredicate.OGE); break; |
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924 }; |
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925 return pred; |
51
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926 } |
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927 |
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|
928 private class VisitFuncDecls : Visitor!(void) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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929 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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|
930 void delegate(FuncDecl) dg; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
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changeset
|
931 this(void delegate(FuncDecl funcDecl) dg) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
932 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
933 this.dg = dg; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
934 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
935 |
107
189c049cbfcc
Cleanup of codegen, better support for operators a few bugfixes
Anders Halager <halager@gmail.com>
parents:
101
diff
changeset
|
936 override void visitModule(DModule m) |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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|
937 { |
94
48bb2287c035
Added Modules. Right now it's very simple - will grow with time and need.
Anders Johnsen <skabet@gmail.com>
parents:
93
diff
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|
938 foreach (decl; m.decls) |
51
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
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|
939 if (auto f = cast(FuncDecl)decl) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
940 dg(f); |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
941 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
942 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
943 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
944 private class SimpleSymbolTable |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
945 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
946 Value[char[]][] namedValues; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
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|
947 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
948 void enterScope() |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
949 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
950 namedValues ~= cast(Value[char[]])["__dollar":null]; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
951 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
952 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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|
953 void leaveScope() |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
954 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
955 namedValues.length = namedValues.length - 1; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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|
956 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
957 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
958 Value put(Value val, char[] key) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
959 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
960 namedValues[$ - 1][key] = val; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
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|
961 return val; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
962 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
963 |
c96cdcbdb9d6
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Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
964 Value find(char[] key) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
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|
965 { |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
966 foreach_reverse (map; namedValues) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
967 if(auto val_ptr = key in map) |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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|
968 return *val_ptr; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
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|
969 return null; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
970 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
971 |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
972 alias find opIndex; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
973 alias put opIndexAssign; |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
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|
974 } |
c96cdcbdb9d6
Rearranged some stuff, and renamed LLVMGen -> CodeGen
Anders Halager <halager@gmail.com>
parents:
diff
changeset
|
975 |