Mercurial > projects > ldc
annotate gen/toobj.cpp @ 650:aa6a0b7968f7
Added test case for bug #100
Removed dubious check for not emitting static private global in other modules without access. This should be handled properly somewhere else, it's causing unresolved global errors for stuff that should work (in MiniD)
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Sun, 05 Oct 2008 17:28:15 +0200 |
parents | e83ba4ae4878 |
children | 6aaa3d3c1183 |
rev | line source |
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1 | 1 |
2 // Copyright (c) 1999-2004 by Digital Mars | |
3 // All Rights Reserved | |
4 // written by Walter Bright | |
5 // www.digitalmars.com | |
6 // License for redistribution is by either the Artistic License | |
7 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
8 // See the included readme.txt for details. | |
9 | |
10 #include <cstddef> | |
11 #include <iostream> | |
12 #include <fstream> | |
13 | |
40 | 14 #include "gen/llvm.h" |
1 | 15 #include "llvm/Analysis/Verifier.h" |
16 #include "llvm/Bitcode/ReaderWriter.h" | |
17 #include "llvm/Target/TargetMachine.h" | |
18 #include "llvm/Target/TargetMachineRegistry.h" | |
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19 #include "llvm/System/Path.h" |
1 | 20 |
21 #include "mars.h" | |
22 #include "module.h" | |
23 #include "mtype.h" | |
24 #include "declaration.h" | |
25 #include "statement.h" | |
26 #include "enum.h" | |
27 #include "aggregate.h" | |
28 #include "init.h" | |
29 #include "attrib.h" | |
30 #include "id.h" | |
31 #include "import.h" | |
32 #include "template.h" | |
18 | 33 #include "scope.h" |
1 | 34 |
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35 #include "gen/irstate.h" |
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36 #include "gen/logger.h" |
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37 #include "gen/tollvm.h" |
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38 #include "gen/llvmhelpers.h" |
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39 #include "gen/arrays.h" |
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40 #include "gen/structs.h" |
100 | 41 #include "gen/classes.h" |
42 #include "gen/functions.h" | |
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43 #include "gen/todebug.h" |
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44 #include "gen/runtime.h" |
1 | 45 |
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46 #include "ir/irvar.h" |
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47 #include "ir/irmodule.h" |
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48 |
1 | 49 ////////////////////////////////////////////////////////////////////////////////////////// |
50 | |
125 | 51 // in gen/optimize.cpp |
52 void llvmdc_optimize_module(llvm::Module* m, char lvl, bool doinline); | |
53 | |
54 ////////////////////////////////////////////////////////////////////////////////////////// | |
55 | |
336 | 56 void Module::genobjfile(int multiobj) |
1 | 57 { |
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58 bool logenabled = Logger::enabled(); |
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59 if (llvmForceLogging && !logenabled) |
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60 { |
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61 Logger::enable(); |
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62 } |
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63 |
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64 Logger::println("Generating module: %s\n", (md ? md->toChars() : toChars())); |
1 | 65 LOG_SCOPE; |
66 | |
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67 // printf("codegen: %s\n", srcfile->toChars()); |
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68 |
6 | 69 // start by deleting the old object file |
1 | 70 deleteObjFile(); |
71 | |
18 | 72 // create a new ir state |
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73 // TODO look at making the instance static and moving most functionality into IrModule where it belongs |
1 | 74 IRState ir; |
75 gIR = &ir; | |
76 ir.dmodule = this; | |
77 | |
173
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78 // reset all IR data stored in Dsymbols and Types |
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79 IrDsymbol::resetAll(); |
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80 IrType::resetAll(); |
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81 |
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82 // module ir state |
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83 // might already exist via import, just overwrite... |
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84 this->ir.irModule = new IrModule(this); |
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85 |
6 | 86 // name the module |
1 | 87 std::string mname(toChars()); |
88 if (md != 0) | |
89 mname = md->toChars(); | |
90 ir.module = new llvm::Module(mname); | |
91 | |
6 | 92 // set target stuff |
1 | 93 std::string target_triple(global.params.tt_arch); |
94 target_triple.append(global.params.tt_os); | |
95 ir.module->setTargetTriple(target_triple); | |
96 ir.module->setDataLayout(global.params.data_layout); | |
97 | |
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98 gTargetData = new llvm::TargetData(global.params.data_layout); |
1 | 99 |
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100 // debug info |
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101 if (global.params.symdebug) { |
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102 RegisterDwarfSymbols(ir.module); |
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103 DtoDwarfCompileUnit(this); |
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104 } |
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105 |
103
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106 // start out by providing opaque for the built-in class types |
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107 if (!ClassDeclaration::object->type->ir.type) |
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108 ClassDeclaration::object->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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109 |
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110 if (!Type::typeinfo->type->ir.type) |
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111 Type::typeinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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112 |
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113 if (!ClassDeclaration::classinfo->type->ir.type) |
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114 ClassDeclaration::classinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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115 |
6 | 116 // process module members |
1 | 117 for (int k=0; k < members->dim; k++) { |
118 Dsymbol* dsym = (Dsymbol*)(members->data[k]); | |
119 assert(dsym); | |
336 | 120 dsym->toObjFile(multiobj); |
1 | 121 } |
122 | |
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123 // main driver loop |
116
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124 DtoEmptyAllLists(); |
89 | 125 // generate ModuleInfo |
126 genmoduleinfo(); | |
116
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127 // do this again as moduleinfo might have pulled something in! |
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128 DtoEmptyAllLists(); |
89 | 129 |
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130 // emit usedArray |
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131 if (!ir.usedArray.empty()) |
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132 { |
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133 const LLArrayType* usedTy = LLArrayType::get(getVoidPtrType(), ir.usedArray.size()); |
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134 LLConstant* usedInit = LLConstantArray::get(usedTy, ir.usedArray); |
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135 LLGlobalVariable* usedArray = new LLGlobalVariable(usedTy, true, LLGlobalValue::AppendingLinkage, usedInit, "llvm.used", ir.module); |
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136 usedArray->setSection("llvm.metadata"); |
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137 } |
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138 |
6 | 139 // verify the llvm |
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140 if (!global.params.novalidate) { |
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141 std::string verifyErr; |
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142 Logger::println("Verifying module..."); |
117 | 143 LOG_SCOPE; |
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144 if (llvm::verifyModule(*ir.module,llvm::ReturnStatusAction,&verifyErr)) |
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145 { |
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146 error("%s", verifyErr.c_str()); |
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147 fatal(); |
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148 } |
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149 else { |
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150 Logger::println("Verification passed!"); |
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151 } |
1 | 152 } |
153 | |
125 | 154 // run optimizer |
131 | 155 llvmdc_optimize_module(ir.module, global.params.optimizeLevel, global.params.llvmInline); |
1 | 156 |
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157 // verify the llvm |
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158 if (!global.params.novalidate && (global.params.optimizeLevel >= 0 || global.params.llvmInline)) { |
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159 std::string verifyErr; |
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160 Logger::println("Verifying module... again..."); |
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161 LOG_SCOPE; |
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162 if (llvm::verifyModule(*ir.module,llvm::ReturnStatusAction,&verifyErr)) |
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163 { |
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164 error("%s", verifyErr.c_str()); |
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165 fatal(); |
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166 } |
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167 else { |
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168 Logger::println("Verification passed!"); |
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169 } |
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170 } |
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171 |
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172 // eventually do our own path stuff, dmd's is a bit strange. |
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173 typedef llvm::sys::Path LLPath; |
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174 LLPath bcpath = LLPath(objfile->name->toChars()); |
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175 LLPath llpath = bcpath; |
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176 llpath.eraseSuffix(); |
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177 llpath.appendSuffix(std::string(global.ll_ext)); |
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178 |
52 | 179 // write bytecode |
180 { | |
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181 Logger::println("Writing LLVM bitcode to: %s\n", bcpath.c_str()); |
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182 std::ofstream bos(bcpath.c_str(), std::ios::binary); |
52 | 183 llvm::WriteBitcodeToFile(ir.module, bos); |
184 } | |
1 | 185 |
52 | 186 // disassemble ? |
187 if (global.params.disassemble) { | |
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188 Logger::println("Writing LLVM asm to: %s\n", llpath.c_str()); |
217
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189 std::ofstream aos(llpath.c_str()); |
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190 ir.module->print(aos, NULL); |
52 | 191 } |
1 | 192 |
193 delete ir.module; | |
125 | 194 gTargetData = 0; |
1 | 195 gIR = NULL; |
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196 |
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197 if (llvmForceLogging && !logenabled) |
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198 { |
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199 Logger::disable(); |
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200 } |
1 | 201 } |
202 | |
203 /* ================================================================== */ | |
204 | |
116
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205 // build module ctor |
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206 |
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207 static llvm::Function* build_module_ctor() |
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208 { |
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209 if (gIR->ctors.empty()) |
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210 return NULL; |
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211 |
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212 size_t n = gIR->ctors.size(); |
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213 if (n == 1) |
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214 return gIR->ctors[0]->ir.irFunc->func; |
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215 |
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216 std::string name("_D"); |
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217 name.append(gIR->dmodule->mangle()); |
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218 name.append("6__ctorZ"); |
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219 |
213
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220 std::vector<const LLType*> argsTy; |
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221 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 222 assert(gIR->module->getFunction(name) == NULL); |
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223 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
116
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224 fn->setCallingConv(llvm::CallingConv::Fast); |
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225 |
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226 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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227 IRBuilder<> builder(bb); |
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228 |
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229 for (size_t i=0; i<n; i++) { |
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230 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
316
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231 llvm::CallInst* call = builder.CreateCall(f,""); |
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232 call->setCallingConv(llvm::CallingConv::Fast); |
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233 } |
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234 |
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235 builder.CreateRetVoid(); |
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236 return fn; |
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237 } |
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238 |
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239 // build module dtor |
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240 |
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241 static llvm::Function* build_module_dtor() |
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242 { |
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243 if (gIR->dtors.empty()) |
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244 return NULL; |
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245 |
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246 size_t n = gIR->dtors.size(); |
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247 if (n == 1) |
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248 return gIR->dtors[0]->ir.irFunc->func; |
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249 |
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250 std::string name("_D"); |
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251 name.append(gIR->dmodule->mangle()); |
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252 name.append("6__dtorZ"); |
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253 |
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254 std::vector<const LLType*> argsTy; |
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255 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 256 assert(gIR->module->getFunction(name) == NULL); |
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257 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
116
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258 fn->setCallingConv(llvm::CallingConv::Fast); |
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259 |
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260 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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261 IRBuilder<> builder(bb); |
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262 |
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263 for (size_t i=0; i<n; i++) { |
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264 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
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265 llvm::CallInst* call = builder.CreateCall(f,""); |
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266 call->setCallingConv(llvm::CallingConv::Fast); |
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267 } |
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268 |
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269 builder.CreateRetVoid(); |
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270 return fn; |
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271 } |
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272 |
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273 // build module unittest |
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274 |
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275 static llvm::Function* build_module_unittest() |
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276 { |
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277 if (gIR->unitTests.empty()) |
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278 return NULL; |
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279 |
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280 size_t n = gIR->unitTests.size(); |
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281 if (n == 1) |
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282 return gIR->unitTests[0]->ir.irFunc->func; |
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283 |
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284 std::string name("_D"); |
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285 name.append(gIR->dmodule->mangle()); |
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286 name.append("10__unittestZ"); |
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287 |
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288 std::vector<const LLType*> argsTy; |
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289 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 290 assert(gIR->module->getFunction(name) == NULL); |
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291 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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292 fn->setCallingConv(llvm::CallingConv::Fast); |
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293 |
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294 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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295 IRBuilder<> builder(bb); |
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296 |
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297 for (size_t i=0; i<n; i++) { |
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298 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
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299 llvm::CallInst* call = builder.CreateCall(f,""); |
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300 call->setCallingConv(llvm::CallingConv::Fast); |
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301 } |
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302 |
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303 builder.CreateRetVoid(); |
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304 return fn; |
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305 } |
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306 |
323
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307 // build ModuleReference and register function, to register the module info in the global linked list |
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308 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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309 { |
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310 // build ctor type |
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311 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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312 |
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313 // build ctor name |
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314 std::string fname = "_D"; |
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315 fname += gIR->dmodule->mangle(); |
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316 fname += "16__moduleinfoCtorZ"; |
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317 |
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318 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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319 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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320 |
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321 // provide the default initializer |
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322 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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323 std::vector<LLConstant*> mrefvalues; |
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324 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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325 mrefvalues.push_back(moduleinfo); |
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326 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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327 |
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328 // create the ModuleReference node for this module |
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329 std::string thismrefname = "_D"; |
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330 thismrefname += gIR->dmodule->mangle(); |
323
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331 thismrefname += "11__moduleRefZ"; |
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332 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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333 |
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334 // make sure _Dmodule_ref is declared |
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335 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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336 if (!mref) |
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337 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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338 |
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339 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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340 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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341 IRBuilder<> builder(bb); |
323
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342 |
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343 // get current beginning |
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344 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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345 |
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346 // put current beginning as the next of this one |
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347 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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348 builder.CreateStore(curbeg, gep); |
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349 |
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350 // replace beginning |
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351 builder.CreateStore(thismref, mref); |
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352 |
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353 // return |
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354 builder.CreateRetVoid(); |
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355 |
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356 return ctor; |
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357 } |
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358 |
1 | 359 // Put out instance of ModuleInfo for this Module |
360 | |
361 void Module::genmoduleinfo() | |
362 { | |
89 | 363 // The layout is: |
364 // { | |
365 // void **vptr; | |
366 // monitor_t monitor; | |
367 // char[] name; // class name | |
368 // ModuleInfo importedModules[]; | |
369 // ClassInfo localClasses[]; | |
370 // uint flags; // initialization state | |
371 // void *ctor; | |
372 // void *dtor; | |
373 // void *unitTest; | |
374 // } | |
375 | |
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376 // resolve ModuleInfo |
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377 assert(moduleinfo); |
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378 DtoForceConstInitDsymbol(moduleinfo); |
89 | 379 |
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380 // moduleinfo llvm struct type |
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381 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
89 | 382 |
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383 // classinfo llvm struct type |
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384 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 385 |
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386 // initializer vector |
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387 std::vector<LLConstant*> initVec; |
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388 LLConstant* c = 0; |
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389 |
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390 // vtable |
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391 c = moduleinfo->ir.irStruct->vtbl; |
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392 initVec.push_back(c); |
89 | 393 |
116
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394 // monitor |
244
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395 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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396 initVec.push_back(c); |
89 | 397 |
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398 // name |
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399 char *name = toPrettyChars(); |
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400 c = DtoConstString(name); |
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401 initVec.push_back(c); |
89 | 402 |
403 // importedModules[] | |
404 int aimports_dim = aimports.dim; | |
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405 std::vector<LLConstant*> importInits; |
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406 for (size_t i = 0; i < aimports.dim; i++) |
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407 { |
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408 Module *m = (Module *)aimports.data[i]; |
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409 if (!m->needModuleInfo()) |
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410 aimports_dim--; |
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411 else { // declare |
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412 // create name |
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413 std::string m_name("_D"); |
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414 m_name.append(m->mangle()); |
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415 m_name.append("8__ModuleZ"); |
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416 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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417 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
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418 importInits.push_back(m_gvar); |
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419 } |
89 | 420 } |
116
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421 // has import array? |
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422 if (!importInits.empty()) |
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423 { |
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424 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
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425 c = llvm::ConstantArray::get(importArrTy, importInits); |
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426 std::string m_name("_D"); |
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427 m_name.append(mangle()); |
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428 m_name.append("9__importsZ"); |
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429 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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430 if (!m_gvar) m_gvar = new llvm::GlobalVariable(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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431 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
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432 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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433 } |
89 | 434 else |
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435 c = moduleinfo->ir.irStruct->constInit->getOperand(3); |
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436 initVec.push_back(c); |
89 | 437 |
438 // localClasses[] | |
116
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439 ClassDeclarations aclasses; |
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440 //printf("members->dim = %d\n", members->dim); |
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441 for (size_t i = 0; i < members->dim; i++) |
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442 { |
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443 Dsymbol *member; |
89 | 444 |
116
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445 member = (Dsymbol *)members->data[i]; |
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446 //printf("\tmember '%s'\n", member->toChars()); |
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447 member->addLocalClass(&aclasses); |
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448 } |
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449 // fill inits |
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450 std::vector<LLConstant*> classInits; |
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451 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 452 { |
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453 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
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454 if (cd->isInterfaceDeclaration()) |
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455 { |
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456 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
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457 continue; |
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458 } |
132 | 459 Logger::println("class: %s", cd->toPrettyChars()); |
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460 assert(cd->ir.irStruct->classInfo); |
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461 classInits.push_back(cd->ir.irStruct->classInfo); |
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462 } |
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463 // has class array? |
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464 if (!classInits.empty()) |
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465 { |
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466 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
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467 c = llvm::ConstantArray::get(classArrTy, classInits); |
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468 std::string m_name("_D"); |
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469 m_name.append(mangle()); |
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470 m_name.append("9__classesZ"); |
184 | 471 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
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472 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
133
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473 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(classArrTy->getElementType())); |
116
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474 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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475 } |
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476 else |
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477 c = moduleinfo->ir.irStruct->constInit->getOperand(4); |
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478 initVec.push_back(c); |
89 | 479 |
116
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480 // flags |
132 | 481 c = DtoConstUint(0); |
482 if (!needmoduleinfo) | |
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483 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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484 initVec.push_back(c); |
89 | 485 |
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486 // ctor |
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487 llvm::Function* fctor = build_module_ctor(); |
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488 c = fctor ? fctor : moduleinfo->ir.irStruct->constInit->getOperand(6); |
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489 initVec.push_back(c); |
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490 |
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491 // dtor |
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492 llvm::Function* fdtor = build_module_dtor(); |
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493 c = fdtor ? fdtor : moduleinfo->ir.irStruct->constInit->getOperand(7); |
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494 initVec.push_back(c); |
89 | 495 |
116
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496 // unitTest |
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497 llvm::Function* unittest = build_module_unittest(); |
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498 c = unittest ? unittest : moduleinfo->ir.irStruct->constInit->getOperand(8); |
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499 initVec.push_back(c); |
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500 |
132 | 501 // xgetMembers |
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502 c = moduleinfo->ir.irStruct->constInit->getOperand(9); |
132 | 503 initVec.push_back(c); |
504 | |
505 // ictor | |
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506 c = moduleinfo->ir.irStruct->constInit->getOperand(10); |
132 | 507 initVec.push_back(c); |
508 | |
509 /*Logger::println("MODULE INFO INITIALIZERS"); | |
510 for (size_t i=0; i<initVec.size(); ++i) | |
511 { | |
512 Logger::cout() << *initVec[i] << '\n'; | |
513 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
514 assert(0); | |
515 }*/ | |
516 | |
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517 // create initializer |
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518 LLConstant* constMI = llvm::ConstantStruct::get(moduleinfoTy, initVec); |
89 | 519 |
116
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520 // create name |
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521 std::string MIname("_D"); |
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522 MIname.append(mangle()); |
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523 MIname.append("8__ModuleZ"); |
89 | 524 |
116
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525 // declare |
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526 // flags will be modified at runtime so can't make it constant |
184 | 527 |
528 llvm::GlobalVariable* gvar = gIR->module->getGlobalVariable(MIname); | |
529 if (!gvar) gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, MIname, gIR->module); | |
530 gvar->setInitializer(constMI); | |
117 | 531 |
323
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532 // build the modulereference and ctor for registering it |
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533 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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534 |
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535 // register this ctor in the magic llvm.global_ctors appending array |
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536 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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537 std::vector<const LLType*> magictypes; |
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538 magictypes.push_back(LLType::Int32Ty); |
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539 magictypes.push_back(getPtrToType(magicfty)); |
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540 const LLStructType* magicsty = LLStructType::get(magictypes); |
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541 |
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542 // make the constant element |
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543 std::vector<LLConstant*> magicconstants; |
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544 magicconstants.push_back(DtoConstUint(65535)); |
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545 magicconstants.push_back(mictor); |
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546 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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547 |
117 | 548 // declare the appending array |
323
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549 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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550 std::vector<LLConstant*> appendInits(1, magicinit); |
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551 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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552 std::string appendName("llvm.global_ctors"); |
117 | 553 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 554 } |
555 | |
556 /* ================================================================== */ | |
557 | |
336 | 558 void Dsymbol::toObjFile(int multiobj) |
1 | 559 { |
38
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560 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 561 } |
562 | |
563 /* ================================================================== */ | |
564 | |
565 void Declaration::toObjFile() | |
566 { | |
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567 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 568 } |
569 | |
570 /* ================================================================== */ | |
571 | |
336 | 572 void InterfaceDeclaration::toObjFile(int multiobj) |
1 | 573 { |
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574 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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575 gIR->resolveList.push_back(this); |
1 | 576 } |
577 | |
578 /* ================================================================== */ | |
579 | |
336 | 580 void StructDeclaration::toObjFile(int multiobj) |
1 | 581 { |
102
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582 gIR->resolveList.push_back(this); |
1 | 583 } |
584 | |
585 /* ================================================================== */ | |
586 | |
336 | 587 void ClassDeclaration::toObjFile(int multiobj) |
1 | 588 { |
102
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589 gIR->resolveList.push_back(this); |
1 | 590 } |
591 | |
592 /****************************************** | |
593 * Get offset of base class's vtbl[] initializer from start of csym. | |
594 * Returns ~0 if not this csym. | |
595 */ | |
596 | |
597 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
598 { | |
599 return ~0; | |
600 } | |
601 | |
602 /* ================================================================== */ | |
603 | |
336 | 604 void VarDeclaration::toObjFile(int multiobj) |
1 | 605 { |
40 | 606 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 607 LOG_SCOPE; |
608 | |
85
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609 if (aliassym) |
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610 { |
88
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611 Logger::println("alias sym"); |
336 | 612 toAlias()->toObjFile(multiobj); |
85
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613 return; |
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614 } |
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615 |
1 | 616 // global variable or magic |
85
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617 if (isDataseg()) |
1 | 618 { |
511
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619 Logger::println("data segment"); |
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620 |
132 | 621 // don't duplicate work |
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622 if (this->ir.resolved) return; |
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623 this->ir.resolved = true; |
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624 this->ir.declared = true; |
40 | 625 |
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626 this->ir.irGlobal = new IrGlobal(this); |
100 | 627 |
628 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
629 | |
149
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630 // handle static local variables |
100 | 631 bool static_local = false; |
149
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632 bool _isconst = isConst(); |
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633 if (parent && parent->isFuncDeclaration()) |
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634 { |
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635 static_local = true; |
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636 if (init && init->isExpInitializer()) { |
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637 _isconst = false; |
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638 } |
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639 } |
149
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640 |
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641 Logger::println("Creating global variable"); |
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642 |
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643 const LLType* _type = this->ir.irGlobal->type.get(); |
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644 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
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645 std::string _name(mangle()); |
52 | 646 |
100 | 647 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_type,_isconst,_linkage,NULL,_name,gIR->module); |
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648 this->ir.irGlobal->value = gvar; |
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649 |
622
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650 if (Logger::enabled()) |
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651 Logger::cout() << *gvar << '\n'; |
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652 |
100 | 653 if (static_local) |
654 DtoConstInitGlobal(this); | |
655 else | |
102
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656 gIR->constInitList.push_back(this); |
1 | 657 } |
658 | |
659 // inside aggregate declaration. declare a field. | |
660 else | |
661 { | |
662 Logger::println("Aggregate var declaration: '%s' offset=%d", toChars(), offset); | |
663 | |
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664 const LLType* _type = DtoType(type); |
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665 this->ir.irField = new IrField(this); |
73 | 666 |
667 // add the field in the IRStruct | |
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0e28624814e8
[svn r140] did a lot of the work towards being able to pass multiple modules on the command line. not complete yet though
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668 gIR->topstruct()->offsets.insert(std::make_pair(offset, IrStruct::Offset(this, _type))); |
1 | 669 } |
670 | |
671 Logger::println("VarDeclaration::toObjFile is done"); | |
672 } | |
673 | |
674 /* ================================================================== */ | |
675 | |
336 | 676 void TypedefDeclaration::toObjFile(int multiobj) |
1 | 677 { |
678 static int tdi = 0; | |
679 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
680 LOG_SCOPE; | |
681 | |
52 | 682 // generate typeinfo |
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[svn r296] Removed: the 'suite' dir, it never took off!
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683 DtoTypeInfoOf(type, false); |
1 | 684 } |
685 | |
686 /* ================================================================== */ | |
687 | |
336 | 688 void EnumDeclaration::toObjFile(int multiobj) |
1 | 689 { |
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[svn r42] Disabled the extensive logging by default. Use the -vv flag to get it back.
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690 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 691 } |
692 | |
693 /* ================================================================== */ | |
694 | |
336 | 695 void FuncDeclaration::toObjFile(int multiobj) |
1 | 696 { |
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[svn r106] Turns out the last commit wasn't enough, now the D->LLVM process is even more split up.
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697 gIR->resolveList.push_back(this); |
1 | 698 } |