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annotate gen/toobj.cpp @ 383:c028fd91b3b0
.hgignore updates. runminitest stores object files separately.
author | Christian Kamm <kamm incasoftware de> |
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date | Wed, 23 Jul 2008 18:53:44 +0200 |
parents | 4d7495038ae8 |
children | a3f3c2770a0d |
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 { |
58 Logger::cout() << "Generating module: " << (md ? md->toChars() : toChars()) << '\n'; | |
59 LOG_SCOPE; | |
60 | |
6 | 61 // start by deleting the old object file |
1 | 62 deleteObjFile(); |
63 | |
18 | 64 // create a new ir state |
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65 // TODO look at making the instance static and moving most functionality into IrModule where it belongs |
1 | 66 IRState ir; |
67 gIR = &ir; | |
68 ir.dmodule = this; | |
69 | |
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70 // reset all IR data stored in Dsymbols and Types |
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71 IrDsymbol::resetAll(); |
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72 IrType::resetAll(); |
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73 |
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74 // module ir state |
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75 // might already exist via import, just overwrite... |
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76 this->ir.irModule = new IrModule(this); |
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77 |
6 | 78 // name the module |
1 | 79 std::string mname(toChars()); |
80 if (md != 0) | |
81 mname = md->toChars(); | |
82 ir.module = new llvm::Module(mname); | |
83 | |
6 | 84 // set target stuff |
1 | 85 std::string target_triple(global.params.tt_arch); |
86 target_triple.append(global.params.tt_os); | |
87 ir.module->setTargetTriple(target_triple); | |
88 ir.module->setDataLayout(global.params.data_layout); | |
89 | |
73 | 90 // heavily inspired by tools/llc/llc.cpp:200-230 |
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91 const llvm::TargetMachineRegistry::entry* targetEntry; |
73 | 92 std::string targetError; |
93 targetEntry = llvm::TargetMachineRegistry::getClosestStaticTargetForModule(*ir.module, targetError); | |
94 assert(targetEntry && "Failed to find a static target for module"); | |
95 std::auto_ptr<llvm::TargetMachine> targetPtr(targetEntry->CtorFn(*ir.module, "")); // TODO: replace "" with features | |
96 assert(targetPtr.get() && "Could not allocate target machine!"); | |
97 llvm::TargetMachine &targetMachine = *targetPtr.get(); | |
98 gTargetData = targetMachine.getTargetData(); | |
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 |
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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 // eventually do our own path stuff, dmd's is a bit strange. |
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158 typedef llvm::sys::Path LLPath; |
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159 LLPath bcpath; |
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160 LLPath llpath; |
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161 |
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162 if (global.params.fqnPaths) |
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163 { |
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164 bcpath = LLPath(md->toChars()); |
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165 bcpath.appendSuffix("bc"); |
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166 |
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167 llpath = LLPath(md->toChars()); |
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168 llpath.appendSuffix("ll"); |
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169 } |
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170 else |
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171 { |
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172 bcpath = LLPath(bcfile->name->toChars()); |
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173 llpath = LLPath(llfile->name->toChars()); |
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174 } |
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175 |
52 | 176 // write bytecode |
177 { | |
178 Logger::println("Writing LLVM bitcode\n"); | |
217
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179 std::ofstream bos(bcpath.c_str(), std::ios::binary); |
52 | 180 llvm::WriteBitcodeToFile(ir.module, bos); |
181 } | |
1 | 182 |
52 | 183 // disassemble ? |
184 if (global.params.disassemble) { | |
185 Logger::println("Writing LLVM asm to: %s\n", llfile->name->toChars()); | |
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186 std::ofstream aos(llpath.c_str()); |
52 | 187 ir.module->print(aos); |
188 } | |
1 | 189 |
190 delete ir.module; | |
125 | 191 gTargetData = 0; |
1 | 192 gIR = NULL; |
193 } | |
194 | |
195 /* ================================================================== */ | |
196 | |
116
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197 // build module ctor |
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198 |
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199 static llvm::Function* build_module_ctor() |
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200 { |
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201 if (gIR->ctors.empty()) |
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202 return NULL; |
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203 |
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204 size_t n = gIR->ctors.size(); |
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205 if (n == 1) |
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206 return gIR->ctors[0]->ir.irFunc->func; |
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207 |
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208 std::string name("_D"); |
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209 name.append(gIR->dmodule->mangle()); |
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210 name.append("6__ctorZ"); |
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211 |
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212 std::vector<const LLType*> argsTy; |
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213 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 214 assert(gIR->module->getFunction(name) == NULL); |
205
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215 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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216 fn->setCallingConv(llvm::CallingConv::Fast); |
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217 |
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218 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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219 IRBuilder builder(bb); |
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220 |
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221 for (size_t i=0; i<n; i++) { |
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222 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
316
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223 llvm::CallInst* call = builder.CreateCall(f,""); |
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224 call->setCallingConv(llvm::CallingConv::Fast); |
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225 } |
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226 |
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227 builder.CreateRetVoid(); |
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228 return fn; |
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229 } |
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230 |
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231 // build module dtor |
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232 |
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233 static llvm::Function* build_module_dtor() |
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234 { |
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235 if (gIR->dtors.empty()) |
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236 return NULL; |
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237 |
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238 size_t n = gIR->dtors.size(); |
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239 if (n == 1) |
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240 return gIR->dtors[0]->ir.irFunc->func; |
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241 |
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242 std::string name("_D"); |
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243 name.append(gIR->dmodule->mangle()); |
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244 name.append("6__dtorZ"); |
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245 |
213
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246 std::vector<const LLType*> argsTy; |
244
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247 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 248 assert(gIR->module->getFunction(name) == NULL); |
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249 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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250 fn->setCallingConv(llvm::CallingConv::Fast); |
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251 |
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252 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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253 IRBuilder builder(bb); |
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254 |
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255 for (size_t i=0; i<n; i++) { |
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256 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
316
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257 llvm::CallInst* call = builder.CreateCall(f,""); |
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258 call->setCallingConv(llvm::CallingConv::Fast); |
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259 } |
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260 |
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261 builder.CreateRetVoid(); |
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262 return fn; |
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263 } |
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264 |
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265 // build module unittest |
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266 |
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267 static llvm::Function* build_module_unittest() |
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268 { |
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269 if (gIR->unitTests.empty()) |
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270 return NULL; |
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271 |
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272 size_t n = gIR->unitTests.size(); |
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273 if (n == 1) |
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274 return gIR->unitTests[0]->ir.irFunc->func; |
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275 |
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276 std::string name("_D"); |
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277 name.append(gIR->dmodule->mangle()); |
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278 name.append("10__unittestZ"); |
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279 |
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280 std::vector<const LLType*> argsTy; |
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281 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 282 assert(gIR->module->getFunction(name) == NULL); |
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283 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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284 fn->setCallingConv(llvm::CallingConv::Fast); |
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285 |
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286 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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287 IRBuilder builder(bb); |
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288 |
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289 for (size_t i=0; i<n; i++) { |
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290 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
316
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291 llvm::CallInst* call = builder.CreateCall(f,""); |
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292 call->setCallingConv(llvm::CallingConv::Fast); |
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293 } |
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294 |
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295 builder.CreateRetVoid(); |
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296 return fn; |
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297 } |
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298 |
323
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299 // build ModuleReference and register function, to register the module info in the global linked list |
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300 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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301 { |
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302 // build ctor type |
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303 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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304 |
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305 // build ctor name |
324
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306 std::string fname = "_D"; |
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307 fname += gIR->dmodule->mangle(); |
323
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308 fname += "16__moduleinfoCtorZ"; |
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309 |
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310 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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311 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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312 |
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313 // provide the default initializer |
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314 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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315 std::vector<LLConstant*> mrefvalues; |
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316 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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317 mrefvalues.push_back(moduleinfo); |
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318 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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319 |
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320 // create the ModuleReference node for this module |
324
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321 std::string thismrefname = "_D"; |
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322 thismrefname += gIR->dmodule->mangle(); |
323
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323 thismrefname += "11__moduleRefZ"; |
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324 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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325 |
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326 // make sure _Dmodule_ref is declared |
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327 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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328 if (!mref) |
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329 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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330 |
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331 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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332 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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333 IRBuilder builder(bb); |
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334 |
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335 // get current beginning |
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336 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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337 |
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338 // put current beginning as the next of this one |
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339 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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340 builder.CreateStore(curbeg, gep); |
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341 |
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342 // replace beginning |
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343 builder.CreateStore(thismref, mref); |
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344 |
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345 // return |
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346 builder.CreateRetVoid(); |
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347 |
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348 return ctor; |
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349 } |
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350 |
1 | 351 // Put out instance of ModuleInfo for this Module |
352 | |
353 void Module::genmoduleinfo() | |
354 { | |
89 | 355 // The layout is: |
356 // { | |
357 // void **vptr; | |
358 // monitor_t monitor; | |
359 // char[] name; // class name | |
360 // ModuleInfo importedModules[]; | |
361 // ClassInfo localClasses[]; | |
362 // uint flags; // initialization state | |
363 // void *ctor; | |
364 // void *dtor; | |
365 // void *unitTest; | |
366 // } | |
367 | |
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368 // resolve ModuleInfo |
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369 assert(moduleinfo); |
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370 DtoForceConstInitDsymbol(moduleinfo); |
89 | 371 |
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372 // moduleinfo llvm struct type |
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373 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
89 | 374 |
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375 // classinfo llvm struct type |
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376 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 377 |
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378 // initializer vector |
213
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379 std::vector<LLConstant*> initVec; |
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380 LLConstant* c = 0; |
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381 |
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382 // vtable |
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383 c = moduleinfo->ir.irStruct->vtbl; |
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384 initVec.push_back(c); |
89 | 385 |
116
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386 // monitor |
244
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387 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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388 initVec.push_back(c); |
89 | 389 |
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390 // name |
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391 char *name = toPrettyChars(); |
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392 c = DtoConstString(name); |
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393 initVec.push_back(c); |
89 | 394 |
395 // importedModules[] | |
396 int aimports_dim = aimports.dim; | |
213
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397 std::vector<LLConstant*> importInits; |
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398 for (size_t i = 0; i < aimports.dim; i++) |
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399 { |
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400 Module *m = (Module *)aimports.data[i]; |
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401 if (!m->needModuleInfo()) |
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402 aimports_dim--; |
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403 else { // declare |
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404 // create name |
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405 std::string m_name("_D"); |
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406 m_name.append(m->mangle()); |
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407 m_name.append("8__ModuleZ"); |
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408 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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409 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
116
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410 importInits.push_back(m_gvar); |
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411 } |
89 | 412 } |
116
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413 // has import array? |
133
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414 if (!importInits.empty()) |
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415 { |
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416 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
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417 c = llvm::ConstantArray::get(importArrTy, importInits); |
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418 std::string m_name("_D"); |
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419 m_name.append(mangle()); |
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420 m_name.append("9__importsZ"); |
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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(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
133
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423 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
116
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424 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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425 } |
89 | 426 else |
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427 c = moduleinfo->ir.irStruct->constInit->getOperand(3); |
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428 initVec.push_back(c); |
89 | 429 |
430 // localClasses[] | |
116
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431 ClassDeclarations aclasses; |
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432 //printf("members->dim = %d\n", members->dim); |
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433 for (size_t i = 0; i < members->dim; i++) |
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434 { |
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435 Dsymbol *member; |
89 | 436 |
116
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437 member = (Dsymbol *)members->data[i]; |
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438 //printf("\tmember '%s'\n", member->toChars()); |
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439 member->addLocalClass(&aclasses); |
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440 } |
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441 // fill inits |
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442 std::vector<LLConstant*> classInits; |
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443 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 444 { |
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445 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
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446 if (cd->isInterfaceDeclaration()) |
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447 { |
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448 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
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449 continue; |
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450 } |
132 | 451 Logger::println("class: %s", cd->toPrettyChars()); |
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452 assert(cd->ir.irStruct->classInfo); |
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453 classInits.push_back(cd->ir.irStruct->classInfo); |
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454 } |
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455 // has class array? |
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456 if (!classInits.empty()) |
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457 { |
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458 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
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459 c = llvm::ConstantArray::get(classArrTy, classInits); |
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460 std::string m_name("_D"); |
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461 m_name.append(mangle()); |
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462 m_name.append("9__classesZ"); |
184 | 463 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
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464 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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465 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(classArrTy->getElementType())); |
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466 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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467 } |
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468 else |
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469 c = moduleinfo->ir.irStruct->constInit->getOperand(4); |
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470 initVec.push_back(c); |
89 | 471 |
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472 // flags |
132 | 473 c = DtoConstUint(0); |
474 if (!needmoduleinfo) | |
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475 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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476 initVec.push_back(c); |
89 | 477 |
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478 // ctor |
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479 llvm::Function* fctor = build_module_ctor(); |
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480 c = fctor ? fctor : moduleinfo->ir.irStruct->constInit->getOperand(6); |
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481 initVec.push_back(c); |
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482 |
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483 // dtor |
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484 llvm::Function* fdtor = build_module_dtor(); |
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485 c = fdtor ? fdtor : moduleinfo->ir.irStruct->constInit->getOperand(7); |
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486 initVec.push_back(c); |
89 | 487 |
116
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488 // unitTest |
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489 llvm::Function* unittest = build_module_unittest(); |
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490 c = unittest ? unittest : moduleinfo->ir.irStruct->constInit->getOperand(8); |
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491 initVec.push_back(c); |
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492 |
132 | 493 // xgetMembers |
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494 c = moduleinfo->ir.irStruct->constInit->getOperand(9); |
132 | 495 initVec.push_back(c); |
496 | |
497 // ictor | |
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498 c = moduleinfo->ir.irStruct->constInit->getOperand(10); |
132 | 499 initVec.push_back(c); |
500 | |
501 /*Logger::println("MODULE INFO INITIALIZERS"); | |
502 for (size_t i=0; i<initVec.size(); ++i) | |
503 { | |
504 Logger::cout() << *initVec[i] << '\n'; | |
505 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
506 assert(0); | |
507 }*/ | |
508 | |
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509 // create initializer |
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510 LLConstant* constMI = llvm::ConstantStruct::get(moduleinfoTy, initVec); |
89 | 511 |
116
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512 // create name |
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513 std::string MIname("_D"); |
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514 MIname.append(mangle()); |
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515 MIname.append("8__ModuleZ"); |
89 | 516 |
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517 // declare |
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518 // flags will be modified at runtime so can't make it constant |
184 | 519 |
520 llvm::GlobalVariable* gvar = gIR->module->getGlobalVariable(MIname); | |
521 if (!gvar) gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, MIname, gIR->module); | |
522 gvar->setInitializer(constMI); | |
117 | 523 |
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524 // build the modulereference and ctor for registering it |
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525 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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526 |
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527 // register this ctor in the magic llvm.global_ctors appending array |
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528 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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529 std::vector<const LLType*> magictypes; |
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530 magictypes.push_back(LLType::Int32Ty); |
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531 magictypes.push_back(getPtrToType(magicfty)); |
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532 const LLStructType* magicsty = LLStructType::get(magictypes); |
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533 |
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534 // make the constant element |
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535 std::vector<LLConstant*> magicconstants; |
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536 magicconstants.push_back(DtoConstUint(65535)); |
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537 magicconstants.push_back(mictor); |
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538 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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539 |
117 | 540 // declare the appending array |
323
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541 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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542 std::vector<LLConstant*> appendInits(1, magicinit); |
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543 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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544 std::string appendName("llvm.global_ctors"); |
117 | 545 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 546 } |
547 | |
548 /* ================================================================== */ | |
549 | |
336 | 550 void Dsymbol::toObjFile(int multiobj) |
1 | 551 { |
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552 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 553 } |
554 | |
555 /* ================================================================== */ | |
556 | |
557 void Declaration::toObjFile() | |
558 { | |
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559 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 560 } |
561 | |
562 /* ================================================================== */ | |
563 | |
336 | 564 void InterfaceDeclaration::toObjFile(int multiobj) |
1 | 565 { |
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566 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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567 gIR->resolveList.push_back(this); |
1 | 568 } |
569 | |
570 /* ================================================================== */ | |
571 | |
336 | 572 void StructDeclaration::toObjFile(int multiobj) |
1 | 573 { |
102
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574 gIR->resolveList.push_back(this); |
1 | 575 } |
576 | |
577 /* ================================================================== */ | |
578 | |
336 | 579 void ClassDeclaration::toObjFile(int multiobj) |
1 | 580 { |
102
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581 gIR->resolveList.push_back(this); |
1 | 582 } |
583 | |
584 /****************************************** | |
585 * Get offset of base class's vtbl[] initializer from start of csym. | |
586 * Returns ~0 if not this csym. | |
587 */ | |
588 | |
589 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
590 { | |
591 return ~0; | |
592 } | |
593 | |
594 /* ================================================================== */ | |
595 | |
336 | 596 void VarDeclaration::toObjFile(int multiobj) |
1 | 597 { |
40 | 598 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 599 LOG_SCOPE; |
600 | |
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601 if (aliassym) |
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602 { |
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603 Logger::println("alias sym"); |
336 | 604 toAlias()->toObjFile(multiobj); |
85
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605 return; |
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606 } |
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607 |
1 | 608 // global variable or magic |
85
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609 if (isDataseg()) |
1 | 610 { |
132 | 611 // we don't want to touch private static members at all !!! |
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612 if ((prot() == PROTprivate) && getModule() != gIR->dmodule) |
132 | 613 return; |
614 | |
615 // don't duplicate work | |
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616 if (this->ir.resolved) return; |
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617 this->ir.resolved = true; |
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618 this->ir.declared = true; |
40 | 619 |
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620 this->ir.irGlobal = new IrGlobal(this); |
100 | 621 |
622 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
623 | |
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624 // handle static local variables |
100 | 625 bool static_local = false; |
149
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626 bool _isconst = isConst(); |
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627 if (parent && parent->isFuncDeclaration()) |
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628 { |
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629 static_local = true; |
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630 if (init && init->isExpInitializer()) { |
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631 _isconst = false; |
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632 } |
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633 } |
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634 |
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635 Logger::println("Creating global variable"); |
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636 |
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637 const LLType* _type = this->ir.irGlobal->type.get(); |
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638 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
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639 std::string _name(mangle()); |
52 | 640 |
100 | 641 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_type,_isconst,_linkage,NULL,_name,gIR->module); |
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642 this->ir.irGlobal->value = gvar; |
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643 |
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644 Logger::cout() << *gvar << '\n'; |
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645 |
100 | 646 if (static_local) |
647 DtoConstInitGlobal(this); | |
648 else | |
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649 gIR->constInitList.push_back(this); |
1 | 650 } |
651 | |
652 // inside aggregate declaration. declare a field. | |
653 else | |
654 { | |
655 Logger::println("Aggregate var declaration: '%s' offset=%d", toChars(), offset); | |
656 | |
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657 const LLType* _type = DtoType(type); |
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658 this->ir.irField = new IrField(this); |
73 | 659 |
660 // add the field in the IRStruct | |
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661 gIR->topstruct()->offsets.insert(std::make_pair(offset, IrStruct::Offset(this, _type))); |
1 | 662 } |
663 | |
664 Logger::println("VarDeclaration::toObjFile is done"); | |
665 } | |
666 | |
667 /* ================================================================== */ | |
668 | |
336 | 669 void TypedefDeclaration::toObjFile(int multiobj) |
1 | 670 { |
671 static int tdi = 0; | |
672 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
673 LOG_SCOPE; | |
674 | |
52 | 675 // generate typeinfo |
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676 DtoTypeInfoOf(type, false); |
1 | 677 } |
678 | |
679 /* ================================================================== */ | |
680 | |
336 | 681 void EnumDeclaration::toObjFile(int multiobj) |
1 | 682 { |
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683 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 684 } |
685 | |
686 /* ================================================================== */ | |
687 | |
336 | 688 void FuncDeclaration::toObjFile(int multiobj) |
1 | 689 { |
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690 gIR->resolveList.push_back(this); |
1 | 691 } |