Mercurial > projects > ldc
annotate gen/toobj.cpp @ 583:12bda38ea366
Fixed choosing default target machine without needing to link in targets.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Sun, 07 Sep 2008 17:44:25 -0700 |
parents | 7824c21a58e3 |
children | e235b80c92bc |
rev | line source |
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1 | 1 |
2 // Copyright (c) 1999-2004 by Digital Mars | |
3 // All Rights Reserved | |
4 // written by Walter Bright | |
5 // www.digitalmars.com | |
6 // License for redistribution is by either the Artistic License | |
7 // in artistic.txt, or the GNU General Public License in gnu.txt. | |
8 // See the included readme.txt for details. | |
9 | |
10 #include <cstddef> | |
11 #include <iostream> | |
12 #include <fstream> | |
13 | |
40 | 14 #include "gen/llvm.h" |
1 | 15 #include "llvm/Analysis/Verifier.h" |
16 #include "llvm/Bitcode/ReaderWriter.h" | |
17 #include "llvm/Target/TargetMachine.h" | |
18 #include "llvm/Target/TargetMachineRegistry.h" | |
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19 #include "llvm/System/Path.h" |
1 | 20 |
21 #include "mars.h" | |
22 #include "module.h" | |
23 #include "mtype.h" | |
24 #include "declaration.h" | |
25 #include "statement.h" | |
26 #include "enum.h" | |
27 #include "aggregate.h" | |
28 #include "init.h" | |
29 #include "attrib.h" | |
30 #include "id.h" | |
31 #include "import.h" | |
32 #include "template.h" | |
18 | 33 #include "scope.h" |
1 | 34 |
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35 #include "gen/irstate.h" |
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36 #include "gen/logger.h" |
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37 #include "gen/tollvm.h" |
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38 #include "gen/llvmhelpers.h" |
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39 #include "gen/arrays.h" |
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40 #include "gen/structs.h" |
100 | 41 #include "gen/classes.h" |
42 #include "gen/functions.h" | |
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43 #include "gen/todebug.h" |
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44 #include "gen/runtime.h" |
1 | 45 |
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46 #include "ir/irvar.h" |
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47 #include "ir/irmodule.h" |
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48 |
1 | 49 ////////////////////////////////////////////////////////////////////////////////////////// |
50 | |
125 | 51 // in gen/optimize.cpp |
52 void llvmdc_optimize_module(llvm::Module* m, char lvl, bool doinline); | |
53 | |
54 ////////////////////////////////////////////////////////////////////////////////////////// | |
55 | |
336 | 56 void Module::genobjfile(int multiobj) |
1 | 57 { |
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58 bool logenabled = Logger::enabled(); |
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59 if (llvmForceLogging && !logenabled) |
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60 { |
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61 Logger::enable(); |
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62 } |
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63 |
1 | 64 Logger::cout() << "Generating module: " << (md ? md->toChars() : toChars()) << '\n'; |
65 LOG_SCOPE; | |
66 | |
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67 //printf("codegen: %s\n", srcfile->toChars()); |
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68 |
6 | 69 // start by deleting the old object file |
1 | 70 deleteObjFile(); |
71 | |
18 | 72 // create a new ir state |
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73 // TODO look at making the instance static and moving most functionality into IrModule where it belongs |
1 | 74 IRState ir; |
75 gIR = &ir; | |
76 ir.dmodule = this; | |
77 | |
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78 // reset all IR data stored in Dsymbols and Types |
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79 IrDsymbol::resetAll(); |
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80 IrType::resetAll(); |
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81 |
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82 // module ir state |
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83 // might already exist via import, just overwrite... |
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84 this->ir.irModule = new IrModule(this); |
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85 |
6 | 86 // name the module |
1 | 87 std::string mname(toChars()); |
88 if (md != 0) | |
89 mname = md->toChars(); | |
90 ir.module = new llvm::Module(mname); | |
91 | |
6 | 92 // set target stuff |
1 | 93 std::string target_triple(global.params.tt_arch); |
94 target_triple.append(global.params.tt_os); | |
95 ir.module->setTargetTriple(target_triple); | |
96 ir.module->setDataLayout(global.params.data_layout); | |
97 | |
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98 gTargetData = new llvm::TargetData(global.params.data_layout); |
1 | 99 |
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100 // debug info |
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101 if (global.params.symdebug) { |
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102 RegisterDwarfSymbols(ir.module); |
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103 DtoDwarfCompileUnit(this); |
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104 } |
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105 |
103
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106 // start out by providing opaque for the built-in class types |
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107 if (!ClassDeclaration::object->type->ir.type) |
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108 ClassDeclaration::object->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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109 |
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110 if (!Type::typeinfo->type->ir.type) |
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111 Type::typeinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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112 |
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113 if (!ClassDeclaration::classinfo->type->ir.type) |
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114 ClassDeclaration::classinfo->type->ir.type = new llvm::PATypeHolder(llvm::OpaqueType::get()); |
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115 |
6 | 116 // process module members |
1 | 117 for (int k=0; k < members->dim; k++) { |
118 Dsymbol* dsym = (Dsymbol*)(members->data[k]); | |
119 assert(dsym); | |
336 | 120 dsym->toObjFile(multiobj); |
1 | 121 } |
122 | |
102
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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 = LLPath(objfile->name->toChars()); |
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160 LLPath llpath = bcpath; |
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161 llpath.eraseSuffix(); |
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162 llpath.appendSuffix(std::string(global.ll_ext)); |
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163 |
52 | 164 // write bytecode |
165 { | |
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166 Logger::println("Writing LLVM bitcode to: %s\n", bcpath.c_str()); |
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167 std::ofstream bos(bcpath.c_str(), std::ios::binary); |
52 | 168 llvm::WriteBitcodeToFile(ir.module, bos); |
169 } | |
1 | 170 |
52 | 171 // disassemble ? |
172 if (global.params.disassemble) { | |
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173 Logger::println("Writing LLVM asm to: %s\n", llpath.c_str()); |
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174 std::ofstream aos(llpath.c_str()); |
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175 ir.module->print(aos, NULL); |
52 | 176 } |
1 | 177 |
178 delete ir.module; | |
125 | 179 gTargetData = 0; |
1 | 180 gIR = NULL; |
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181 |
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182 if (llvmForceLogging && !logenabled) |
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183 { |
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184 Logger::disable(); |
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185 } |
1 | 186 } |
187 | |
188 /* ================================================================== */ | |
189 | |
116
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190 // build module ctor |
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191 |
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192 static llvm::Function* build_module_ctor() |
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193 { |
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194 if (gIR->ctors.empty()) |
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195 return NULL; |
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196 |
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197 size_t n = gIR->ctors.size(); |
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198 if (n == 1) |
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199 return gIR->ctors[0]->ir.irFunc->func; |
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200 |
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201 std::string name("_D"); |
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202 name.append(gIR->dmodule->mangle()); |
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203 name.append("6__ctorZ"); |
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204 |
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205 std::vector<const LLType*> argsTy; |
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206 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 207 assert(gIR->module->getFunction(name) == NULL); |
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208 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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209 fn->setCallingConv(llvm::CallingConv::Fast); |
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210 |
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211 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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212 IRBuilder<> builder(bb); |
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213 |
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214 for (size_t i=0; i<n; i++) { |
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215 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
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216 llvm::CallInst* call = builder.CreateCall(f,""); |
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217 call->setCallingConv(llvm::CallingConv::Fast); |
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218 } |
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219 |
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220 builder.CreateRetVoid(); |
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221 return fn; |
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222 } |
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223 |
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224 // build module dtor |
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225 |
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226 static llvm::Function* build_module_dtor() |
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227 { |
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228 if (gIR->dtors.empty()) |
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229 return NULL; |
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230 |
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231 size_t n = gIR->dtors.size(); |
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232 if (n == 1) |
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233 return gIR->dtors[0]->ir.irFunc->func; |
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234 |
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235 std::string name("_D"); |
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236 name.append(gIR->dmodule->mangle()); |
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237 name.append("6__dtorZ"); |
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238 |
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239 std::vector<const LLType*> argsTy; |
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240 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 241 assert(gIR->module->getFunction(name) == NULL); |
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242 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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243 fn->setCallingConv(llvm::CallingConv::Fast); |
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244 |
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245 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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246 IRBuilder<> builder(bb); |
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247 |
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248 for (size_t i=0; i<n; i++) { |
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249 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
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250 llvm::CallInst* call = builder.CreateCall(f,""); |
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251 call->setCallingConv(llvm::CallingConv::Fast); |
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252 } |
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253 |
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254 builder.CreateRetVoid(); |
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255 return fn; |
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256 } |
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257 |
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258 // build module unittest |
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259 |
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260 static llvm::Function* build_module_unittest() |
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261 { |
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262 if (gIR->unitTests.empty()) |
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263 return NULL; |
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264 |
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265 size_t n = gIR->unitTests.size(); |
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266 if (n == 1) |
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267 return gIR->unitTests[0]->ir.irFunc->func; |
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268 |
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269 std::string name("_D"); |
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270 name.append(gIR->dmodule->mangle()); |
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271 name.append("10__unittestZ"); |
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272 |
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273 std::vector<const LLType*> argsTy; |
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274 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 275 assert(gIR->module->getFunction(name) == NULL); |
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276 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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277 fn->setCallingConv(llvm::CallingConv::Fast); |
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278 |
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279 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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280 IRBuilder<> builder(bb); |
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281 |
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282 for (size_t i=0; i<n; i++) { |
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283 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
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284 llvm::CallInst* call = builder.CreateCall(f,""); |
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285 call->setCallingConv(llvm::CallingConv::Fast); |
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286 } |
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287 |
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288 builder.CreateRetVoid(); |
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289 return fn; |
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290 } |
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291 |
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292 // build ModuleReference and register function, to register the module info in the global linked list |
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293 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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294 { |
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295 // build ctor type |
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296 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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297 |
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298 // build ctor name |
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299 std::string fname = "_D"; |
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300 fname += gIR->dmodule->mangle(); |
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301 fname += "16__moduleinfoCtorZ"; |
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302 |
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303 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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304 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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305 |
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306 // provide the default initializer |
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307 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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308 std::vector<LLConstant*> mrefvalues; |
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309 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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310 mrefvalues.push_back(moduleinfo); |
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311 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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312 |
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313 // create the ModuleReference node for this module |
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314 std::string thismrefname = "_D"; |
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315 thismrefname += gIR->dmodule->mangle(); |
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316 thismrefname += "11__moduleRefZ"; |
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317 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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318 |
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319 // make sure _Dmodule_ref is declared |
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320 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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321 if (!mref) |
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322 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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323 |
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324 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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325 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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326 IRBuilder<> builder(bb); |
323
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327 |
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328 // get current beginning |
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329 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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330 |
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331 // put current beginning as the next of this one |
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332 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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333 builder.CreateStore(curbeg, gep); |
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334 |
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335 // replace beginning |
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336 builder.CreateStore(thismref, mref); |
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337 |
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338 // return |
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339 builder.CreateRetVoid(); |
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340 |
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341 return ctor; |
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342 } |
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343 |
1 | 344 // Put out instance of ModuleInfo for this Module |
345 | |
346 void Module::genmoduleinfo() | |
347 { | |
89 | 348 // The layout is: |
349 // { | |
350 // void **vptr; | |
351 // monitor_t monitor; | |
352 // char[] name; // class name | |
353 // ModuleInfo importedModules[]; | |
354 // ClassInfo localClasses[]; | |
355 // uint flags; // initialization state | |
356 // void *ctor; | |
357 // void *dtor; | |
358 // void *unitTest; | |
359 // } | |
360 | |
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361 // resolve ModuleInfo |
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362 assert(moduleinfo); |
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363 DtoForceConstInitDsymbol(moduleinfo); |
89 | 364 |
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365 // moduleinfo llvm struct type |
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366 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
89 | 367 |
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368 // classinfo llvm struct type |
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369 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 370 |
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371 // initializer vector |
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372 std::vector<LLConstant*> initVec; |
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373 LLConstant* c = 0; |
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374 |
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375 // vtable |
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376 c = moduleinfo->ir.irStruct->vtbl; |
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377 initVec.push_back(c); |
89 | 378 |
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379 // monitor |
244
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380 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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381 initVec.push_back(c); |
89 | 382 |
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383 // name |
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384 char *name = toPrettyChars(); |
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385 c = DtoConstString(name); |
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386 initVec.push_back(c); |
89 | 387 |
388 // importedModules[] | |
389 int aimports_dim = aimports.dim; | |
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390 std::vector<LLConstant*> importInits; |
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391 for (size_t i = 0; i < aimports.dim; i++) |
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392 { |
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393 Module *m = (Module *)aimports.data[i]; |
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394 if (!m->needModuleInfo()) |
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395 aimports_dim--; |
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396 else { // declare |
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397 // create name |
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398 std::string m_name("_D"); |
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399 m_name.append(m->mangle()); |
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400 m_name.append("8__ModuleZ"); |
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401 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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402 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
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403 importInits.push_back(m_gvar); |
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404 } |
89 | 405 } |
116
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406 // has import array? |
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407 if (!importInits.empty()) |
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408 { |
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409 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
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410 c = llvm::ConstantArray::get(importArrTy, importInits); |
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411 std::string m_name("_D"); |
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412 m_name.append(mangle()); |
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413 m_name.append("9__importsZ"); |
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414 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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415 if (!m_gvar) m_gvar = new llvm::GlobalVariable(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
133
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416 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
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417 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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418 } |
89 | 419 else |
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420 c = moduleinfo->ir.irStruct->constInit->getOperand(3); |
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421 initVec.push_back(c); |
89 | 422 |
423 // localClasses[] | |
116
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424 ClassDeclarations aclasses; |
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425 //printf("members->dim = %d\n", members->dim); |
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426 for (size_t i = 0; i < members->dim; i++) |
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427 { |
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428 Dsymbol *member; |
89 | 429 |
116
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430 member = (Dsymbol *)members->data[i]; |
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431 //printf("\tmember '%s'\n", member->toChars()); |
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432 member->addLocalClass(&aclasses); |
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433 } |
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434 // fill inits |
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435 std::vector<LLConstant*> classInits; |
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436 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 437 { |
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438 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
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439 if (cd->isInterfaceDeclaration()) |
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440 { |
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441 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
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442 continue; |
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443 } |
132 | 444 Logger::println("class: %s", cd->toPrettyChars()); |
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445 assert(cd->ir.irStruct->classInfo); |
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446 classInits.push_back(cd->ir.irStruct->classInfo); |
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447 } |
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448 // has class array? |
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449 if (!classInits.empty()) |
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450 { |
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451 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
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452 c = llvm::ConstantArray::get(classArrTy, classInits); |
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453 std::string m_name("_D"); |
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454 m_name.append(mangle()); |
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455 m_name.append("9__classesZ"); |
184 | 456 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
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457 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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458 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(classArrTy->getElementType())); |
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459 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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460 } |
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461 else |
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462 c = moduleinfo->ir.irStruct->constInit->getOperand(4); |
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463 initVec.push_back(c); |
89 | 464 |
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465 // flags |
132 | 466 c = DtoConstUint(0); |
467 if (!needmoduleinfo) | |
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468 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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469 initVec.push_back(c); |
89 | 470 |
116
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471 // ctor |
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472 llvm::Function* fctor = build_module_ctor(); |
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473 c = fctor ? fctor : moduleinfo->ir.irStruct->constInit->getOperand(6); |
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474 initVec.push_back(c); |
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475 |
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476 // dtor |
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477 llvm::Function* fdtor = build_module_dtor(); |
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478 c = fdtor ? fdtor : moduleinfo->ir.irStruct->constInit->getOperand(7); |
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479 initVec.push_back(c); |
89 | 480 |
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481 // unitTest |
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482 llvm::Function* unittest = build_module_unittest(); |
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483 c = unittest ? unittest : moduleinfo->ir.irStruct->constInit->getOperand(8); |
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484 initVec.push_back(c); |
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485 |
132 | 486 // xgetMembers |
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487 c = moduleinfo->ir.irStruct->constInit->getOperand(9); |
132 | 488 initVec.push_back(c); |
489 | |
490 // ictor | |
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491 c = moduleinfo->ir.irStruct->constInit->getOperand(10); |
132 | 492 initVec.push_back(c); |
493 | |
494 /*Logger::println("MODULE INFO INITIALIZERS"); | |
495 for (size_t i=0; i<initVec.size(); ++i) | |
496 { | |
497 Logger::cout() << *initVec[i] << '\n'; | |
498 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
499 assert(0); | |
500 }*/ | |
501 | |
116
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502 // create initializer |
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503 LLConstant* constMI = llvm::ConstantStruct::get(moduleinfoTy, initVec); |
89 | 504 |
116
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505 // create name |
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506 std::string MIname("_D"); |
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507 MIname.append(mangle()); |
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508 MIname.append("8__ModuleZ"); |
89 | 509 |
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510 // declare |
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511 // flags will be modified at runtime so can't make it constant |
184 | 512 |
513 llvm::GlobalVariable* gvar = gIR->module->getGlobalVariable(MIname); | |
514 if (!gvar) gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, MIname, gIR->module); | |
515 gvar->setInitializer(constMI); | |
117 | 516 |
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517 // build the modulereference and ctor for registering it |
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518 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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519 |
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520 // register this ctor in the magic llvm.global_ctors appending array |
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521 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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522 std::vector<const LLType*> magictypes; |
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523 magictypes.push_back(LLType::Int32Ty); |
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524 magictypes.push_back(getPtrToType(magicfty)); |
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525 const LLStructType* magicsty = LLStructType::get(magictypes); |
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526 |
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527 // make the constant element |
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528 std::vector<LLConstant*> magicconstants; |
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529 magicconstants.push_back(DtoConstUint(65535)); |
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530 magicconstants.push_back(mictor); |
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531 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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532 |
117 | 533 // declare the appending array |
323
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534 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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535 std::vector<LLConstant*> appendInits(1, magicinit); |
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536 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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537 std::string appendName("llvm.global_ctors"); |
117 | 538 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 539 } |
540 | |
541 /* ================================================================== */ | |
542 | |
336 | 543 void Dsymbol::toObjFile(int multiobj) |
1 | 544 { |
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545 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 546 } |
547 | |
548 /* ================================================================== */ | |
549 | |
550 void Declaration::toObjFile() | |
551 { | |
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552 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 553 } |
554 | |
555 /* ================================================================== */ | |
556 | |
336 | 557 void InterfaceDeclaration::toObjFile(int multiobj) |
1 | 558 { |
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559 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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560 gIR->resolveList.push_back(this); |
1 | 561 } |
562 | |
563 /* ================================================================== */ | |
564 | |
336 | 565 void StructDeclaration::toObjFile(int multiobj) |
1 | 566 { |
102
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567 gIR->resolveList.push_back(this); |
1 | 568 } |
569 | |
570 /* ================================================================== */ | |
571 | |
336 | 572 void ClassDeclaration::toObjFile(int multiobj) |
1 | 573 { |
102
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574 gIR->resolveList.push_back(this); |
1 | 575 } |
576 | |
577 /****************************************** | |
578 * Get offset of base class's vtbl[] initializer from start of csym. | |
579 * Returns ~0 if not this csym. | |
580 */ | |
581 | |
582 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
583 { | |
584 return ~0; | |
585 } | |
586 | |
587 /* ================================================================== */ | |
588 | |
336 | 589 void VarDeclaration::toObjFile(int multiobj) |
1 | 590 { |
40 | 591 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 592 LOG_SCOPE; |
593 | |
85
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594 if (aliassym) |
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595 { |
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596 Logger::println("alias sym"); |
336 | 597 toAlias()->toObjFile(multiobj); |
85
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598 return; |
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599 } |
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600 |
1 | 601 // global variable or magic |
85
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602 if (isDataseg()) |
1 | 603 { |
511
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604 Logger::println("data segment"); |
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605 |
132 | 606 // we don't want to touch private static members at all !!! |
511
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607 // template instances should always be emitted |
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608 if (!DtoIsTemplateInstance(this) && prot() == PROTprivate && getModule() != gIR->dmodule) |
132 | 609 return; |
610 | |
611 // don't duplicate work | |
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612 if (this->ir.resolved) return; |
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613 this->ir.resolved = true; |
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614 this->ir.declared = true; |
40 | 615 |
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616 this->ir.irGlobal = new IrGlobal(this); |
100 | 617 |
618 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
619 | |
149
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620 // handle static local variables |
100 | 621 bool static_local = false; |
149
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622 bool _isconst = isConst(); |
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623 if (parent && parent->isFuncDeclaration()) |
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624 { |
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625 static_local = true; |
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626 if (init && init->isExpInitializer()) { |
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627 _isconst = false; |
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628 } |
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629 } |
149
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630 |
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631 Logger::println("Creating global variable"); |
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632 |
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633 const LLType* _type = this->ir.irGlobal->type.get(); |
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634 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
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635 std::string _name(mangle()); |
52 | 636 |
100 | 637 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_type,_isconst,_linkage,NULL,_name,gIR->module); |
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638 this->ir.irGlobal->value = gvar; |
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639 |
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640 Logger::cout() << *gvar << '\n'; |
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641 |
100 | 642 if (static_local) |
643 DtoConstInitGlobal(this); | |
644 else | |
102
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645 gIR->constInitList.push_back(this); |
1 | 646 } |
647 | |
648 // inside aggregate declaration. declare a field. | |
649 else | |
650 { | |
651 Logger::println("Aggregate var declaration: '%s' offset=%d", toChars(), offset); | |
652 | |
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653 const LLType* _type = DtoType(type); |
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654 this->ir.irField = new IrField(this); |
73 | 655 |
656 // add the field in the IRStruct | |
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657 gIR->topstruct()->offsets.insert(std::make_pair(offset, IrStruct::Offset(this, _type))); |
1 | 658 } |
659 | |
660 Logger::println("VarDeclaration::toObjFile is done"); | |
661 } | |
662 | |
663 /* ================================================================== */ | |
664 | |
336 | 665 void TypedefDeclaration::toObjFile(int multiobj) |
1 | 666 { |
667 static int tdi = 0; | |
668 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
669 LOG_SCOPE; | |
670 | |
52 | 671 // generate typeinfo |
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672 DtoTypeInfoOf(type, false); |
1 | 673 } |
674 | |
675 /* ================================================================== */ | |
676 | |
336 | 677 void EnumDeclaration::toObjFile(int multiobj) |
1 | 678 { |
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679 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 680 } |
681 | |
682 /* ================================================================== */ | |
683 | |
336 | 684 void FuncDeclaration::toObjFile(int multiobj) |
1 | 685 { |
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686 gIR->resolveList.push_back(this); |
1 | 687 } |