Mercurial > projects > ldc
annotate gen/toobj.cpp @ 572:91d436eaedee
merge
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Thu, 04 Sep 2008 17:05:35 +0200 |
parents | 3c07287765bc |
children | 7824c21a58e3 |
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 |
1 | 64 Logger::cout() << "Generating module: " << (md ? md->toChars() : toChars()) << '\n'; |
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 | |
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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 | |
73 | 98 // heavily inspired by tools/llc/llc.cpp:200-230 |
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99 const llvm::TargetMachineRegistry::entry* targetEntry; |
73 | 100 std::string targetError; |
101 targetEntry = llvm::TargetMachineRegistry::getClosestStaticTargetForModule(*ir.module, targetError); | |
102 assert(targetEntry && "Failed to find a static target for module"); | |
103 std::auto_ptr<llvm::TargetMachine> targetPtr(targetEntry->CtorFn(*ir.module, "")); // TODO: replace "" with features | |
104 assert(targetPtr.get() && "Could not allocate target machine!"); | |
105 llvm::TargetMachine &targetMachine = *targetPtr.get(); | |
106 gTargetData = targetMachine.getTargetData(); | |
1 | 107 |
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108 // debug info |
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109 if (global.params.symdebug) { |
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110 RegisterDwarfSymbols(ir.module); |
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111 DtoDwarfCompileUnit(this); |
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112 } |
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113 |
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114 // start out by providing opaque for the built-in class types |
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115 if (!ClassDeclaration::object->type->ir.type) |
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116 ClassDeclaration::object->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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117 |
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118 if (!Type::typeinfo->type->ir.type) |
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119 Type::typeinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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120 |
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121 if (!ClassDeclaration::classinfo->type->ir.type) |
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122 ClassDeclaration::classinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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123 |
6 | 124 // process module members |
1 | 125 for (int k=0; k < members->dim; k++) { |
126 Dsymbol* dsym = (Dsymbol*)(members->data[k]); | |
127 assert(dsym); | |
336 | 128 dsym->toObjFile(multiobj); |
1 | 129 } |
130 | |
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131 // main driver loop |
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132 DtoEmptyAllLists(); |
89 | 133 // generate ModuleInfo |
134 genmoduleinfo(); | |
116
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135 // do this again as moduleinfo might have pulled something in! |
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136 DtoEmptyAllLists(); |
89 | 137 |
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138 // emit usedArray |
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139 if (!ir.usedArray.empty()) |
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140 { |
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141 const LLArrayType* usedTy = LLArrayType::get(getVoidPtrType(), ir.usedArray.size()); |
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142 LLConstant* usedInit = LLConstantArray::get(usedTy, ir.usedArray); |
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143 LLGlobalVariable* usedArray = new LLGlobalVariable(usedTy, true, LLGlobalValue::AppendingLinkage, usedInit, "llvm.used", ir.module); |
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144 usedArray->setSection("llvm.metadata"); |
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145 } |
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146 |
6 | 147 // verify the llvm |
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148 if (!global.params.novalidate) { |
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149 std::string verifyErr; |
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150 Logger::println("Verifying module..."); |
117 | 151 LOG_SCOPE; |
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152 if (llvm::verifyModule(*ir.module,llvm::ReturnStatusAction,&verifyErr)) |
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153 { |
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154 error("%s", verifyErr.c_str()); |
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155 fatal(); |
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156 } |
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157 else { |
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158 Logger::println("Verification passed!"); |
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159 } |
1 | 160 } |
161 | |
125 | 162 // run optimizer |
131 | 163 llvmdc_optimize_module(ir.module, global.params.optimizeLevel, global.params.llvmInline); |
1 | 164 |
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165 // eventually do our own path stuff, dmd's is a bit strange. |
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166 typedef llvm::sys::Path LLPath; |
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167 LLPath bcpath; |
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168 LLPath llpath; |
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169 |
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170 if (global.params.fqnPaths) |
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171 { |
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172 bcpath = LLPath(mname); |
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173 bcpath.appendSuffix("bc"); |
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174 |
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175 llpath = LLPath(mname); |
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176 llpath.appendSuffix("ll"); |
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177 } |
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178 else |
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179 { |
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180 bcpath = LLPath(bcfile->name->toChars()); |
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181 llpath = LLPath(llfile->name->toChars()); |
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182 } |
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183 |
52 | 184 // write bytecode |
185 { | |
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186 Logger::println("Writing LLVM bitcode to: %s\n", bcpath.c_str()); |
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187 std::ofstream bos(bcpath.c_str(), std::ios::binary); |
52 | 188 llvm::WriteBitcodeToFile(ir.module, bos); |
189 } | |
1 | 190 |
52 | 191 // disassemble ? |
192 if (global.params.disassemble) { | |
193 Logger::println("Writing LLVM asm to: %s\n", llfile->name->toChars()); | |
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194 std::ofstream aos(llpath.c_str()); |
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195 ir.module->print(aos, NULL); |
52 | 196 } |
1 | 197 |
198 delete ir.module; | |
125 | 199 gTargetData = 0; |
1 | 200 gIR = NULL; |
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201 |
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202 if (llvmForceLogging && !logenabled) |
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203 { |
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204 Logger::disable(); |
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205 } |
1 | 206 } |
207 | |
208 /* ================================================================== */ | |
209 | |
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210 // build module ctor |
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211 |
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212 static llvm::Function* build_module_ctor() |
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213 { |
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214 if (gIR->ctors.empty()) |
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215 return NULL; |
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216 |
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217 size_t n = gIR->ctors.size(); |
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218 if (n == 1) |
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219 return gIR->ctors[0]->ir.irFunc->func; |
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220 |
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221 std::string name("_D"); |
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222 name.append(gIR->dmodule->mangle()); |
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223 name.append("6__ctorZ"); |
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224 |
213
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225 std::vector<const LLType*> argsTy; |
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226 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 227 assert(gIR->module->getFunction(name) == NULL); |
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228 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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229 fn->setCallingConv(llvm::CallingConv::Fast); |
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230 |
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231 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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232 IRBuilder<> builder(bb); |
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233 |
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234 for (size_t i=0; i<n; i++) { |
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235 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
316
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236 llvm::CallInst* call = builder.CreateCall(f,""); |
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237 call->setCallingConv(llvm::CallingConv::Fast); |
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238 } |
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239 |
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240 builder.CreateRetVoid(); |
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241 return fn; |
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242 } |
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243 |
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244 // build module dtor |
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245 |
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246 static llvm::Function* build_module_dtor() |
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247 { |
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248 if (gIR->dtors.empty()) |
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249 return NULL; |
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250 |
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251 size_t n = gIR->dtors.size(); |
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252 if (n == 1) |
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253 return gIR->dtors[0]->ir.irFunc->func; |
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254 |
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255 std::string name("_D"); |
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256 name.append(gIR->dmodule->mangle()); |
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257 name.append("6__dtorZ"); |
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258 |
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259 std::vector<const LLType*> argsTy; |
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260 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 261 assert(gIR->module->getFunction(name) == NULL); |
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262 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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263 fn->setCallingConv(llvm::CallingConv::Fast); |
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264 |
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265 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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266 IRBuilder<> builder(bb); |
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267 |
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268 for (size_t i=0; i<n; i++) { |
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269 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
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270 llvm::CallInst* call = builder.CreateCall(f,""); |
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271 call->setCallingConv(llvm::CallingConv::Fast); |
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272 } |
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273 |
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274 builder.CreateRetVoid(); |
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275 return fn; |
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276 } |
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277 |
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278 // build module unittest |
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279 |
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280 static llvm::Function* build_module_unittest() |
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281 { |
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282 if (gIR->unitTests.empty()) |
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283 return NULL; |
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284 |
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285 size_t n = gIR->unitTests.size(); |
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286 if (n == 1) |
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287 return gIR->unitTests[0]->ir.irFunc->func; |
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288 |
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289 std::string name("_D"); |
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290 name.append(gIR->dmodule->mangle()); |
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291 name.append("10__unittestZ"); |
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292 |
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293 std::vector<const LLType*> argsTy; |
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294 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 295 assert(gIR->module->getFunction(name) == NULL); |
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296 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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297 fn->setCallingConv(llvm::CallingConv::Fast); |
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298 |
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299 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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300 IRBuilder<> builder(bb); |
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301 |
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302 for (size_t i=0; i<n; i++) { |
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303 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
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304 llvm::CallInst* call = builder.CreateCall(f,""); |
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305 call->setCallingConv(llvm::CallingConv::Fast); |
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306 } |
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307 |
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308 builder.CreateRetVoid(); |
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309 return fn; |
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310 } |
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311 |
323
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312 // build ModuleReference and register function, to register the module info in the global linked list |
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313 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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314 { |
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315 // build ctor type |
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316 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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317 |
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318 // build ctor name |
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319 std::string fname = "_D"; |
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320 fname += gIR->dmodule->mangle(); |
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321 fname += "16__moduleinfoCtorZ"; |
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322 |
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323 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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324 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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325 |
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326 // provide the default initializer |
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327 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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328 std::vector<LLConstant*> mrefvalues; |
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329 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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330 mrefvalues.push_back(moduleinfo); |
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331 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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332 |
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333 // create the ModuleReference node for this module |
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334 std::string thismrefname = "_D"; |
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335 thismrefname += gIR->dmodule->mangle(); |
323
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336 thismrefname += "11__moduleRefZ"; |
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337 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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338 |
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339 // make sure _Dmodule_ref is declared |
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340 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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341 if (!mref) |
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342 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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343 |
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344 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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345 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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346 IRBuilder<> builder(bb); |
323
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347 |
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348 // get current beginning |
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349 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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350 |
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351 // put current beginning as the next of this one |
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352 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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353 builder.CreateStore(curbeg, gep); |
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354 |
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355 // replace beginning |
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356 builder.CreateStore(thismref, mref); |
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357 |
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358 // return |
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359 builder.CreateRetVoid(); |
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360 |
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361 return ctor; |
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362 } |
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363 |
1 | 364 // Put out instance of ModuleInfo for this Module |
365 | |
366 void Module::genmoduleinfo() | |
367 { | |
89 | 368 // The layout is: |
369 // { | |
370 // void **vptr; | |
371 // monitor_t monitor; | |
372 // char[] name; // class name | |
373 // ModuleInfo importedModules[]; | |
374 // ClassInfo localClasses[]; | |
375 // uint flags; // initialization state | |
376 // void *ctor; | |
377 // void *dtor; | |
378 // void *unitTest; | |
379 // } | |
380 | |
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381 // resolve ModuleInfo |
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382 assert(moduleinfo); |
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383 DtoForceConstInitDsymbol(moduleinfo); |
89 | 384 |
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385 // moduleinfo llvm struct type |
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386 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
89 | 387 |
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388 // classinfo llvm struct type |
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389 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 390 |
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391 // initializer vector |
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392 std::vector<LLConstant*> initVec; |
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393 LLConstant* c = 0; |
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394 |
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395 // vtable |
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396 c = moduleinfo->ir.irStruct->vtbl; |
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397 initVec.push_back(c); |
89 | 398 |
116
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399 // monitor |
244
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400 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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401 initVec.push_back(c); |
89 | 402 |
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403 // name |
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404 char *name = toPrettyChars(); |
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405 c = DtoConstString(name); |
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406 initVec.push_back(c); |
89 | 407 |
408 // importedModules[] | |
409 int aimports_dim = aimports.dim; | |
213
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410 std::vector<LLConstant*> importInits; |
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411 for (size_t i = 0; i < aimports.dim; i++) |
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412 { |
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413 Module *m = (Module *)aimports.data[i]; |
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414 if (!m->needModuleInfo()) |
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415 aimports_dim--; |
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416 else { // declare |
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417 // create name |
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418 std::string m_name("_D"); |
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419 m_name.append(m->mangle()); |
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420 m_name.append("8__ModuleZ"); |
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421 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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422 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
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423 importInits.push_back(m_gvar); |
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424 } |
89 | 425 } |
116
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426 // has import array? |
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427 if (!importInits.empty()) |
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428 { |
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429 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
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430 c = llvm::ConstantArray::get(importArrTy, importInits); |
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431 std::string m_name("_D"); |
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432 m_name.append(mangle()); |
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433 m_name.append("9__importsZ"); |
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434 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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435 if (!m_gvar) m_gvar = new llvm::GlobalVariable(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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436 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
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437 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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438 } |
89 | 439 else |
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440 c = moduleinfo->ir.irStruct->constInit->getOperand(3); |
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441 initVec.push_back(c); |
89 | 442 |
443 // localClasses[] | |
116
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444 ClassDeclarations aclasses; |
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445 //printf("members->dim = %d\n", members->dim); |
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446 for (size_t i = 0; i < members->dim; i++) |
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447 { |
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448 Dsymbol *member; |
89 | 449 |
116
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450 member = (Dsymbol *)members->data[i]; |
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451 //printf("\tmember '%s'\n", member->toChars()); |
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452 member->addLocalClass(&aclasses); |
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453 } |
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454 // fill inits |
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455 std::vector<LLConstant*> classInits; |
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456 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 457 { |
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458 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
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459 if (cd->isInterfaceDeclaration()) |
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460 { |
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461 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
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462 continue; |
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463 } |
132 | 464 Logger::println("class: %s", cd->toPrettyChars()); |
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465 assert(cd->ir.irStruct->classInfo); |
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466 classInits.push_back(cd->ir.irStruct->classInfo); |
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467 } |
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468 // has class array? |
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469 if (!classInits.empty()) |
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470 { |
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471 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
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472 c = llvm::ConstantArray::get(classArrTy, classInits); |
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473 std::string m_name("_D"); |
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474 m_name.append(mangle()); |
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475 m_name.append("9__classesZ"); |
184 | 476 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
116
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477 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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478 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(classArrTy->getElementType())); |
116
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479 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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480 } |
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481 else |
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482 c = moduleinfo->ir.irStruct->constInit->getOperand(4); |
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483 initVec.push_back(c); |
89 | 484 |
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485 // flags |
132 | 486 c = DtoConstUint(0); |
487 if (!needmoduleinfo) | |
116
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488 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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489 initVec.push_back(c); |
89 | 490 |
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491 // ctor |
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492 llvm::Function* fctor = build_module_ctor(); |
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493 c = fctor ? fctor : moduleinfo->ir.irStruct->constInit->getOperand(6); |
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494 initVec.push_back(c); |
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495 |
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496 // dtor |
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497 llvm::Function* fdtor = build_module_dtor(); |
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498 c = fdtor ? fdtor : moduleinfo->ir.irStruct->constInit->getOperand(7); |
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499 initVec.push_back(c); |
89 | 500 |
116
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501 // unitTest |
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502 llvm::Function* unittest = build_module_unittest(); |
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503 c = unittest ? unittest : moduleinfo->ir.irStruct->constInit->getOperand(8); |
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504 initVec.push_back(c); |
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505 |
132 | 506 // xgetMembers |
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507 c = moduleinfo->ir.irStruct->constInit->getOperand(9); |
132 | 508 initVec.push_back(c); |
509 | |
510 // ictor | |
173
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511 c = moduleinfo->ir.irStruct->constInit->getOperand(10); |
132 | 512 initVec.push_back(c); |
513 | |
514 /*Logger::println("MODULE INFO INITIALIZERS"); | |
515 for (size_t i=0; i<initVec.size(); ++i) | |
516 { | |
517 Logger::cout() << *initVec[i] << '\n'; | |
518 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
519 assert(0); | |
520 }*/ | |
521 | |
116
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522 // create initializer |
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523 LLConstant* constMI = llvm::ConstantStruct::get(moduleinfoTy, initVec); |
89 | 524 |
116
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525 // create name |
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526 std::string MIname("_D"); |
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527 MIname.append(mangle()); |
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528 MIname.append("8__ModuleZ"); |
89 | 529 |
116
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530 // declare |
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531 // flags will be modified at runtime so can't make it constant |
184 | 532 |
533 llvm::GlobalVariable* gvar = gIR->module->getGlobalVariable(MIname); | |
534 if (!gvar) gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, MIname, gIR->module); | |
535 gvar->setInitializer(constMI); | |
117 | 536 |
323
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537 // build the modulereference and ctor for registering it |
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538 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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539 |
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540 // register this ctor in the magic llvm.global_ctors appending array |
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541 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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542 std::vector<const LLType*> magictypes; |
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543 magictypes.push_back(LLType::Int32Ty); |
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544 magictypes.push_back(getPtrToType(magicfty)); |
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545 const LLStructType* magicsty = LLStructType::get(magictypes); |
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546 |
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547 // make the constant element |
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548 std::vector<LLConstant*> magicconstants; |
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549 magicconstants.push_back(DtoConstUint(65535)); |
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550 magicconstants.push_back(mictor); |
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551 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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552 |
117 | 553 // declare the appending array |
323
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554 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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555 std::vector<LLConstant*> appendInits(1, magicinit); |
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556 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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557 std::string appendName("llvm.global_ctors"); |
117 | 558 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 559 } |
560 | |
561 /* ================================================================== */ | |
562 | |
336 | 563 void Dsymbol::toObjFile(int multiobj) |
1 | 564 { |
38
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565 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 566 } |
567 | |
568 /* ================================================================== */ | |
569 | |
570 void Declaration::toObjFile() | |
571 { | |
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572 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 573 } |
574 | |
575 /* ================================================================== */ | |
576 | |
336 | 577 void InterfaceDeclaration::toObjFile(int multiobj) |
1 | 578 { |
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579 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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580 gIR->resolveList.push_back(this); |
1 | 581 } |
582 | |
583 /* ================================================================== */ | |
584 | |
336 | 585 void StructDeclaration::toObjFile(int multiobj) |
1 | 586 { |
102
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587 gIR->resolveList.push_back(this); |
1 | 588 } |
589 | |
590 /* ================================================================== */ | |
591 | |
336 | 592 void ClassDeclaration::toObjFile(int multiobj) |
1 | 593 { |
102
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594 gIR->resolveList.push_back(this); |
1 | 595 } |
596 | |
597 /****************************************** | |
598 * Get offset of base class's vtbl[] initializer from start of csym. | |
599 * Returns ~0 if not this csym. | |
600 */ | |
601 | |
602 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
603 { | |
604 return ~0; | |
605 } | |
606 | |
607 /* ================================================================== */ | |
608 | |
336 | 609 void VarDeclaration::toObjFile(int multiobj) |
1 | 610 { |
40 | 611 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 612 LOG_SCOPE; |
613 | |
85
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614 if (aliassym) |
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615 { |
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616 Logger::println("alias sym"); |
336 | 617 toAlias()->toObjFile(multiobj); |
85
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618 return; |
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619 } |
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620 |
1 | 621 // global variable or magic |
85
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622 if (isDataseg()) |
1 | 623 { |
511
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624 Logger::println("data segment"); |
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625 |
132 | 626 // we don't want to touch private static members at all !!! |
511
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627 // template instances should always be emitted |
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628 if (!DtoIsTemplateInstance(this) && prot() == PROTprivate && getModule() != gIR->dmodule) |
132 | 629 return; |
630 | |
631 // don't duplicate work | |
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632 if (this->ir.resolved) return; |
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633 this->ir.resolved = true; |
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634 this->ir.declared = true; |
40 | 635 |
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636 this->ir.irGlobal = new IrGlobal(this); |
100 | 637 |
638 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
639 | |
149
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640 // handle static local variables |
100 | 641 bool static_local = false; |
149
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642 bool _isconst = isConst(); |
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643 if (parent && parent->isFuncDeclaration()) |
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644 { |
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645 static_local = true; |
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646 if (init && init->isExpInitializer()) { |
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647 _isconst = false; |
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648 } |
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649 } |
149
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650 |
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651 Logger::println("Creating global variable"); |
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652 |
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653 const LLType* _type = this->ir.irGlobal->type.get(); |
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654 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
21
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655 std::string _name(mangle()); |
52 | 656 |
100 | 657 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_type,_isconst,_linkage,NULL,_name,gIR->module); |
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658 this->ir.irGlobal->value = gvar; |
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659 |
163
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660 Logger::cout() << *gvar << '\n'; |
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661 |
100 | 662 if (static_local) |
663 DtoConstInitGlobal(this); | |
664 else | |
102
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665 gIR->constInitList.push_back(this); |
1 | 666 } |
667 | |
668 // inside aggregate declaration. declare a field. | |
669 else | |
670 { | |
671 Logger::println("Aggregate var declaration: '%s' offset=%d", toChars(), offset); | |
672 | |
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673 const LLType* _type = DtoType(type); |
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674 this->ir.irField = new IrField(this); |
73 | 675 |
676 // add the field in the IRStruct | |
136
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677 gIR->topstruct()->offsets.insert(std::make_pair(offset, IrStruct::Offset(this, _type))); |
1 | 678 } |
679 | |
680 Logger::println("VarDeclaration::toObjFile is done"); | |
681 } | |
682 | |
683 /* ================================================================== */ | |
684 | |
336 | 685 void TypedefDeclaration::toObjFile(int multiobj) |
1 | 686 { |
687 static int tdi = 0; | |
688 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
689 LOG_SCOPE; | |
690 | |
52 | 691 // generate typeinfo |
275
665b81613475
[svn r296] Removed: the 'suite' dir, it never took off!
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692 DtoTypeInfoOf(type, false); |
1 | 693 } |
694 | |
695 /* ================================================================== */ | |
696 | |
336 | 697 void EnumDeclaration::toObjFile(int multiobj) |
1 | 698 { |
38
27b2f40bdb58
[svn r42] Disabled the extensive logging by default. Use the -vv flag to get it back.
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699 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 700 } |
701 | |
702 /* ================================================================== */ | |
703 | |
336 | 704 void FuncDeclaration::toObjFile(int multiobj) |
1 | 705 { |
102
027b8d8b71ec
[svn r106] Turns out the last commit wasn't enough, now the D->LLVM process is even more split up.
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706 gIR->resolveList.push_back(this); |
1 | 707 } |