Mercurial > projects > ldc
annotate gen/toobj.cpp @ 323:0d52412d5b1a trunk
[svn r344] Fixed some very minor issues with the usage listing when calling llvmdc with no arguments.
Changed the way moduleinfo is registered to use the same approach as DMD, this eliminates the need for correct linking order and should make the way for using a natively compiled runtime library. This should speed up linking tremendously and should now be possible.
Fixed the llvm.used array to only be emitted if really necessary.
author | lindquist |
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date | Wed, 09 Jul 2008 23:43:51 +0200 |
parents | 163cad969791 |
children | c542d12017e5 |
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 | |
56 void Module::genobjfile() | |
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 |
103
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106 // start out by providing opaque for the built-in class types |
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107 if (!ClassDeclaration::object->type->ir.type) |
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108 ClassDeclaration::object->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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109 |
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110 if (!Type::typeinfo->type->ir.type) |
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111 Type::typeinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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112 |
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113 if (!ClassDeclaration::classinfo->type->ir.type) |
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114 ClassDeclaration::classinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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115 |
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116 /*if (!Type::typeinfoclass->type->ir.type) |
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117 Type::typeinfoclass->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get());*/ |
106 | 118 |
6 | 119 // process module members |
1 | 120 for (int k=0; k < members->dim; k++) { |
121 Dsymbol* dsym = (Dsymbol*)(members->data[k]); | |
122 assert(dsym); | |
123 dsym->toObjFile(); | |
124 } | |
125 | |
102
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126 // main driver loop |
116
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127 DtoEmptyAllLists(); |
89 | 128 // generate ModuleInfo |
129 genmoduleinfo(); | |
116
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130 // do this again as moduleinfo might have pulled something in! |
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131 DtoEmptyAllLists(); |
89 | 132 |
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133 // emit usedArray |
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134 if (!ir.usedArray.empty()) |
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135 { |
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136 const LLArrayType* usedTy = LLArrayType::get(getVoidPtrType(), ir.usedArray.size()); |
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137 LLConstant* usedInit = LLConstantArray::get(usedTy, ir.usedArray); |
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138 LLGlobalVariable* usedArray = new LLGlobalVariable(usedTy, true, LLGlobalValue::AppendingLinkage, usedInit, "llvm.used", ir.module); |
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139 usedArray->setSection("llvm.metadata"); |
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140 } |
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141 |
6 | 142 // verify the llvm |
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143 if (!global.params.novalidate) { |
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144 std::string verifyErr; |
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145 Logger::println("Verifying module..."); |
117 | 146 LOG_SCOPE; |
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147 if (llvm::verifyModule(*ir.module,llvm::ReturnStatusAction,&verifyErr)) |
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148 { |
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149 error("%s", verifyErr.c_str()); |
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150 fatal(); |
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151 } |
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152 else { |
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153 Logger::println("Verification passed!"); |
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154 } |
1 | 155 } |
156 | |
125 | 157 // run optimizer |
131 | 158 llvmdc_optimize_module(ir.module, global.params.optimizeLevel, global.params.llvmInline); |
1 | 159 |
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160 // eventually do our own path stuff, dmd's is a bit strange. |
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161 typedef llvm::sys::Path LLPath; |
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162 LLPath bcpath; |
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163 LLPath llpath; |
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164 |
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165 if (global.params.fqnPaths) |
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166 { |
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167 bcpath = LLPath(md->toChars()); |
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168 bcpath.appendSuffix("bc"); |
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169 |
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170 llpath = LLPath(md->toChars()); |
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171 llpath.appendSuffix("ll"); |
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172 } |
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173 else |
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174 { |
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175 bcpath = LLPath(bcfile->name->toChars()); |
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176 llpath = LLPath(llfile->name->toChars()); |
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177 } |
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178 |
52 | 179 // write bytecode |
180 { | |
181 Logger::println("Writing LLVM bitcode\n"); | |
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182 std::ofstream bos(bcpath.c_str(), std::ios::binary); |
52 | 183 llvm::WriteBitcodeToFile(ir.module, bos); |
184 } | |
1 | 185 |
52 | 186 // disassemble ? |
187 if (global.params.disassemble) { | |
188 Logger::println("Writing LLVM asm to: %s\n", llfile->name->toChars()); | |
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189 std::ofstream aos(llpath.c_str()); |
52 | 190 ir.module->print(aos); |
191 } | |
1 | 192 |
193 delete ir.module; | |
125 | 194 gTargetData = 0; |
1 | 195 gIR = NULL; |
196 } | |
197 | |
198 /* ================================================================== */ | |
199 | |
116
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200 // build module ctor |
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201 |
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202 static llvm::Function* build_module_ctor() |
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203 { |
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204 if (gIR->ctors.empty()) |
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205 return NULL; |
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206 |
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207 size_t n = gIR->ctors.size(); |
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208 if (n == 1) |
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209 return gIR->ctors[0]->ir.irFunc->func; |
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210 |
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211 std::string name("_D"); |
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212 name.append(gIR->dmodule->mangle()); |
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213 name.append("6__ctorZ"); |
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214 |
213
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215 std::vector<const LLType*> argsTy; |
244
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216 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 217 assert(gIR->module->getFunction(name) == NULL); |
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218 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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219 fn->setCallingConv(llvm::CallingConv::Fast); |
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220 |
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221 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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222 IRBuilder builder(bb); |
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223 |
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224 for (size_t i=0; i<n; i++) { |
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225 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
316
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226 llvm::CallInst* call = builder.CreateCall(f,""); |
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227 call->setCallingConv(llvm::CallingConv::Fast); |
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228 } |
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229 |
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230 builder.CreateRetVoid(); |
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231 return fn; |
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232 } |
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233 |
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234 // build module dtor |
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235 |
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236 static llvm::Function* build_module_dtor() |
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237 { |
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238 if (gIR->dtors.empty()) |
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239 return NULL; |
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240 |
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241 size_t n = gIR->dtors.size(); |
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242 if (n == 1) |
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243 return gIR->dtors[0]->ir.irFunc->func; |
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244 |
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245 std::string name("_D"); |
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246 name.append(gIR->dmodule->mangle()); |
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247 name.append("6__dtorZ"); |
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248 |
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249 std::vector<const LLType*> argsTy; |
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250 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 251 assert(gIR->module->getFunction(name) == NULL); |
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252 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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253 fn->setCallingConv(llvm::CallingConv::Fast); |
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254 |
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255 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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256 IRBuilder builder(bb); |
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257 |
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258 for (size_t i=0; i<n; i++) { |
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259 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
316
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260 llvm::CallInst* call = builder.CreateCall(f,""); |
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261 call->setCallingConv(llvm::CallingConv::Fast); |
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262 } |
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263 |
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264 builder.CreateRetVoid(); |
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265 return fn; |
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266 } |
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267 |
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268 // build module unittest |
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269 |
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270 static llvm::Function* build_module_unittest() |
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271 { |
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272 if (gIR->unitTests.empty()) |
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273 return NULL; |
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274 |
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275 size_t n = gIR->unitTests.size(); |
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276 if (n == 1) |
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277 return gIR->unitTests[0]->ir.irFunc->func; |
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278 |
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279 std::string name("_D"); |
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280 name.append(gIR->dmodule->mangle()); |
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281 name.append("10__unittestZ"); |
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282 |
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283 std::vector<const LLType*> argsTy; |
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284 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 285 assert(gIR->module->getFunction(name) == NULL); |
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286 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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287 fn->setCallingConv(llvm::CallingConv::Fast); |
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288 |
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289 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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290 IRBuilder builder(bb); |
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291 |
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292 for (size_t i=0; i<n; i++) { |
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293 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
316
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294 llvm::CallInst* call = builder.CreateCall(f,""); |
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295 call->setCallingConv(llvm::CallingConv::Fast); |
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296 } |
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297 |
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298 builder.CreateRetVoid(); |
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299 return fn; |
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300 } |
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301 |
323
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302 // build ModuleReference and register function, to register the module info in the global linked list |
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303 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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304 { |
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305 // build ctor type |
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306 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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307 |
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308 // build ctor name |
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309 std::string fname = gIR->dmodule->mangle(); |
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310 fname += "16__moduleinfoCtorZ"; |
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311 |
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312 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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313 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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314 |
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315 // provide the default initializer |
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316 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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317 std::vector<LLConstant*> mrefvalues; |
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318 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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319 mrefvalues.push_back(moduleinfo); |
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320 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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321 |
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322 // create the ModuleReference node for this module |
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323 std::string thismrefname = gIR->dmodule->mangle(); |
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324 thismrefname += "11__moduleRefZ"; |
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325 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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326 |
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327 // make sure _Dmodule_ref is declared |
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328 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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329 if (!mref) |
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330 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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331 |
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332 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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333 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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334 IRBuilder builder(bb); |
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335 |
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336 // get current beginning |
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337 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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338 |
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339 // put current beginning as the next of this one |
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340 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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341 builder.CreateStore(curbeg, gep); |
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342 |
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343 // replace beginning |
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344 builder.CreateStore(thismref, mref); |
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345 |
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346 // return |
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347 builder.CreateRetVoid(); |
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348 |
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349 return ctor; |
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350 } |
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351 |
1 | 352 // Put out instance of ModuleInfo for this Module |
353 | |
354 void Module::genmoduleinfo() | |
355 { | |
89 | 356 // The layout is: |
357 // { | |
358 // void **vptr; | |
359 // monitor_t monitor; | |
360 // char[] name; // class name | |
361 // ModuleInfo importedModules[]; | |
362 // ClassInfo localClasses[]; | |
363 // uint flags; // initialization state | |
364 // void *ctor; | |
365 // void *dtor; | |
366 // void *unitTest; | |
367 // } | |
368 | |
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369 // resolve ModuleInfo |
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370 assert(moduleinfo); |
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371 DtoForceConstInitDsymbol(moduleinfo); |
89 | 372 |
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373 // moduleinfo llvm struct type |
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374 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
89 | 375 |
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376 // classinfo llvm struct type |
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377 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 378 |
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379 // initializer vector |
213
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380 std::vector<LLConstant*> initVec; |
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381 LLConstant* c = 0; |
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382 |
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383 // vtable |
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384 c = moduleinfo->ir.irStruct->vtbl; |
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385 initVec.push_back(c); |
89 | 386 |
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387 // monitor |
244
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388 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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389 initVec.push_back(c); |
89 | 390 |
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391 // name |
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392 char *name = toPrettyChars(); |
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393 c = DtoConstString(name); |
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394 initVec.push_back(c); |
89 | 395 |
396 // importedModules[] | |
397 int aimports_dim = aimports.dim; | |
213
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398 std::vector<LLConstant*> importInits; |
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399 for (size_t i = 0; i < aimports.dim; i++) |
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400 { |
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401 Module *m = (Module *)aimports.data[i]; |
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402 if (!m->needModuleInfo()) |
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403 aimports_dim--; |
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404 else { // declare |
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405 // create name |
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406 std::string m_name("_D"); |
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407 m_name.append(m->mangle()); |
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408 m_name.append("8__ModuleZ"); |
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409 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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410 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
116
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411 importInits.push_back(m_gvar); |
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412 } |
89 | 413 } |
116
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414 // has import array? |
133
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415 if (!importInits.empty()) |
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416 { |
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417 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
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418 c = llvm::ConstantArray::get(importArrTy, importInits); |
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419 std::string m_name("_D"); |
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420 m_name.append(mangle()); |
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421 m_name.append("9__importsZ"); |
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422 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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423 if (!m_gvar) m_gvar = new llvm::GlobalVariable(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
133
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424 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
116
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425 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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426 } |
89 | 427 else |
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428 c = moduleinfo->ir.irStruct->constInit->getOperand(3); |
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429 initVec.push_back(c); |
89 | 430 |
431 // localClasses[] | |
116
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432 ClassDeclarations aclasses; |
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433 //printf("members->dim = %d\n", members->dim); |
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434 for (size_t i = 0; i < members->dim; i++) |
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435 { |
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436 Dsymbol *member; |
89 | 437 |
116
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438 member = (Dsymbol *)members->data[i]; |
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439 //printf("\tmember '%s'\n", member->toChars()); |
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440 member->addLocalClass(&aclasses); |
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441 } |
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442 // fill inits |
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443 std::vector<LLConstant*> classInits; |
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444 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 445 { |
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446 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
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447 if (cd->isInterfaceDeclaration()) |
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448 { |
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449 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
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450 continue; |
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451 } |
132 | 452 Logger::println("class: %s", cd->toPrettyChars()); |
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453 assert(cd->ir.irStruct->classInfo); |
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454 classInits.push_back(cd->ir.irStruct->classInfo); |
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455 } |
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456 // has class array? |
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457 if (!classInits.empty()) |
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458 { |
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459 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
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460 c = llvm::ConstantArray::get(classArrTy, classInits); |
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461 std::string m_name("_D"); |
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462 m_name.append(mangle()); |
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463 m_name.append("9__classesZ"); |
184 | 464 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
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465 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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466 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(classArrTy->getElementType())); |
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467 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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468 } |
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469 else |
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470 c = moduleinfo->ir.irStruct->constInit->getOperand(4); |
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471 initVec.push_back(c); |
89 | 472 |
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473 // flags |
132 | 474 c = DtoConstUint(0); |
475 if (!needmoduleinfo) | |
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476 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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477 initVec.push_back(c); |
89 | 478 |
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479 // ctor |
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480 llvm::Function* fctor = build_module_ctor(); |
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481 c = fctor ? fctor : moduleinfo->ir.irStruct->constInit->getOperand(6); |
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482 initVec.push_back(c); |
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483 |
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484 // dtor |
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485 llvm::Function* fdtor = build_module_dtor(); |
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486 c = fdtor ? fdtor : moduleinfo->ir.irStruct->constInit->getOperand(7); |
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487 initVec.push_back(c); |
89 | 488 |
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489 // unitTest |
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490 llvm::Function* unittest = build_module_unittest(); |
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491 c = unittest ? unittest : moduleinfo->ir.irStruct->constInit->getOperand(8); |
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492 initVec.push_back(c); |
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493 |
132 | 494 // xgetMembers |
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495 c = moduleinfo->ir.irStruct->constInit->getOperand(9); |
132 | 496 initVec.push_back(c); |
497 | |
498 // ictor | |
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499 c = moduleinfo->ir.irStruct->constInit->getOperand(10); |
132 | 500 initVec.push_back(c); |
501 | |
502 /*Logger::println("MODULE INFO INITIALIZERS"); | |
503 for (size_t i=0; i<initVec.size(); ++i) | |
504 { | |
505 Logger::cout() << *initVec[i] << '\n'; | |
506 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
507 assert(0); | |
508 }*/ | |
509 | |
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510 // create initializer |
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511 LLConstant* constMI = llvm::ConstantStruct::get(moduleinfoTy, initVec); |
89 | 512 |
116
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513 // create name |
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514 std::string MIname("_D"); |
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515 MIname.append(mangle()); |
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516 MIname.append("8__ModuleZ"); |
89 | 517 |
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518 // declare |
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519 // flags will be modified at runtime so can't make it constant |
184 | 520 |
521 llvm::GlobalVariable* gvar = gIR->module->getGlobalVariable(MIname); | |
522 if (!gvar) gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, MIname, gIR->module); | |
523 gvar->setInitializer(constMI); | |
117 | 524 |
323
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525 // build the modulereference and ctor for registering it |
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526 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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527 |
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528 // register this ctor in the magic llvm.global_ctors appending array |
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529 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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530 std::vector<const LLType*> magictypes; |
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531 magictypes.push_back(LLType::Int32Ty); |
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532 magictypes.push_back(getPtrToType(magicfty)); |
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533 const LLStructType* magicsty = LLStructType::get(magictypes); |
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534 |
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535 // make the constant element |
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536 std::vector<LLConstant*> magicconstants; |
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537 magicconstants.push_back(DtoConstUint(65535)); |
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538 magicconstants.push_back(mictor); |
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539 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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540 |
117 | 541 // declare the appending array |
323
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542 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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543 std::vector<LLConstant*> appendInits(1, magicinit); |
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544 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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545 std::string appendName("llvm.global_ctors"); |
117 | 546 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 547 } |
548 | |
549 /* ================================================================== */ | |
550 | |
551 void Dsymbol::toObjFile() | |
552 { | |
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553 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 554 } |
555 | |
556 /* ================================================================== */ | |
557 | |
558 void Declaration::toObjFile() | |
559 { | |
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560 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 561 } |
562 | |
563 /* ================================================================== */ | |
564 | |
565 void InterfaceDeclaration::toObjFile() | |
566 { | |
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567 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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568 gIR->resolveList.push_back(this); |
1 | 569 } |
570 | |
571 /* ================================================================== */ | |
572 | |
573 void StructDeclaration::toObjFile() | |
574 { | |
102
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575 gIR->resolveList.push_back(this); |
1 | 576 } |
577 | |
578 /* ================================================================== */ | |
579 | |
580 void ClassDeclaration::toObjFile() | |
581 { | |
102
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582 gIR->resolveList.push_back(this); |
1 | 583 } |
584 | |
585 /****************************************** | |
586 * Get offset of base class's vtbl[] initializer from start of csym. | |
587 * Returns ~0 if not this csym. | |
588 */ | |
589 | |
590 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
591 { | |
592 return ~0; | |
593 } | |
594 | |
595 /* ================================================================== */ | |
596 | |
597 void VarDeclaration::toObjFile() | |
598 { | |
40 | 599 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 600 LOG_SCOPE; |
601 | |
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602 if (aliassym) |
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603 { |
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604 Logger::println("alias sym"); |
85
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605 toAlias()->toObjFile(); |
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606 return; |
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607 } |
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608 |
1 | 609 // global variable or magic |
85
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610 if (isDataseg()) |
1 | 611 { |
132 | 612 // we don't want to touch private static members at all !!! |
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613 if ((prot() == PROTprivate) && getModule() != gIR->dmodule) |
132 | 614 return; |
615 | |
616 // don't duplicate work | |
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617 if (this->ir.resolved) return; |
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618 this->ir.resolved = true; |
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619 this->ir.declared = true; |
40 | 620 |
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621 this->ir.irGlobal = new IrGlobal(this); |
100 | 622 |
623 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
624 | |
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625 // handle static local variables |
100 | 626 bool static_local = false; |
149
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627 bool _isconst = isConst(); |
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628 if (parent && parent->isFuncDeclaration()) |
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629 { |
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630 static_local = true; |
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631 if (init && init->isExpInitializer()) { |
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632 _isconst = false; |
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633 } |
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634 } |
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635 |
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636 Logger::println("Creating global variable"); |
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637 |
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638 const LLType* _type = this->ir.irGlobal->type.get(); |
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639 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
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640 std::string _name(mangle()); |
52 | 641 |
100 | 642 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_type,_isconst,_linkage,NULL,_name,gIR->module); |
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643 this->ir.irGlobal->value = gvar; |
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644 |
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645 Logger::cout() << *gvar << '\n'; |
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646 |
100 | 647 if (static_local) |
648 DtoConstInitGlobal(this); | |
649 else | |
102
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650 gIR->constInitList.push_back(this); |
1 | 651 } |
652 | |
653 // inside aggregate declaration. declare a field. | |
654 else | |
655 { | |
656 Logger::println("Aggregate var declaration: '%s' offset=%d", toChars(), offset); | |
657 | |
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658 const LLType* _type = DtoType(type); |
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659 this->ir.irField = new IrField(this); |
73 | 660 |
661 // add the field in the IRStruct | |
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662 gIR->topstruct()->offsets.insert(std::make_pair(offset, IrStruct::Offset(this, _type))); |
1 | 663 } |
664 | |
665 Logger::println("VarDeclaration::toObjFile is done"); | |
666 } | |
667 | |
668 /* ================================================================== */ | |
669 | |
670 void TypedefDeclaration::toObjFile() | |
671 { | |
672 static int tdi = 0; | |
673 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
674 LOG_SCOPE; | |
675 | |
52 | 676 // generate typeinfo |
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677 DtoTypeInfoOf(type, false); |
1 | 678 } |
679 | |
680 /* ================================================================== */ | |
681 | |
682 void EnumDeclaration::toObjFile() | |
683 { | |
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684 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 685 } |
686 | |
687 /* ================================================================== */ | |
688 | |
689 void FuncDeclaration::toObjFile() | |
690 { | |
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691 gIR->resolveList.push_back(this); |
1 | 692 } |