Mercurial > projects > ldc
annotate gen/toobj.cpp @ 890:5a03f3f74615
Apply afb's patch from #168 to use $CC instead of "gcc" for toobj and linker.
author | Christian Kamm <kamm incasoftware de> |
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date | Sat, 17 Jan 2009 17:52:09 +0100 |
parents | c1aeb2d0b559 |
children | 893d72ab95d0 |
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" | |
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17 #include "llvm/Target/SubtargetFeature.h" |
1 | 18 #include "llvm/Target/TargetMachine.h" |
19 #include "llvm/Target/TargetMachineRegistry.h" | |
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20 #include "llvm/Module.h" |
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21 #include "llvm/ModuleProvider.h" |
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22 #include "llvm/PassManager.h" |
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23 #include "llvm/LinkAllPasses.h" |
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24 #include "llvm/System/Program.h" |
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25 #include "llvm/System/Path.h" |
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26 #include "llvm/Support/raw_ostream.h" |
1 | 27 |
28 #include "mars.h" | |
29 #include "module.h" | |
30 #include "mtype.h" | |
31 #include "declaration.h" | |
32 #include "statement.h" | |
33 #include "enum.h" | |
34 #include "aggregate.h" | |
35 #include "init.h" | |
36 #include "attrib.h" | |
37 #include "id.h" | |
38 #include "import.h" | |
39 #include "template.h" | |
18 | 40 #include "scope.h" |
1 | 41 |
4
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42 #include "gen/irstate.h" |
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43 #include "gen/logger.h" |
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44 #include "gen/tollvm.h" |
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45 #include "gen/llvmhelpers.h" |
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46 #include "gen/arrays.h" |
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47 #include "gen/structs.h" |
100 | 48 #include "gen/classes.h" |
49 #include "gen/functions.h" | |
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50 #include "gen/todebug.h" |
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51 #include "gen/runtime.h" |
1 | 52 |
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53 #include "ir/irvar.h" |
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54 #include "ir/irmodule.h" |
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55 |
1 | 56 ////////////////////////////////////////////////////////////////////////////////////////// |
57 | |
125 | 58 // in gen/optimize.cpp |
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59 void ldc_optimize_module(llvm::Module* m, char lvl, bool doinline); |
125 | 60 |
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61 // fwd decl |
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62 void write_asm_to_file(llvm::TargetMachine &Target, llvm::Module& m, llvm::raw_fd_ostream& Out); |
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63 void assemble(const llvm::sys::Path& asmpath, const llvm::sys::Path& objpath); |
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64 |
125 | 65 ////////////////////////////////////////////////////////////////////////////////////////// |
66 | |
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67 void Module::genobjfile(int multiobj) |
1 | 68 { |
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69 bool logenabled = Logger::enabled(); |
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70 if (llvmForceLogging && !logenabled) |
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71 { |
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72 Logger::enable(); |
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73 } |
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74 |
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75 Logger::println("Generating module: %s\n", (md ? md->toChars() : toChars())); |
1 | 76 LOG_SCOPE; |
77 | |
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78 //printf("codegen: %s\n", srcfile->toChars()); |
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79 |
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80 assert(!global.errors); |
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81 |
6 | 82 // start by deleting the old object file |
1 | 83 deleteObjFile(); |
84 | |
18 | 85 // create a new ir state |
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86 // TODO look at making the instance static and moving most functionality into IrModule where it belongs |
1 | 87 IRState ir; |
88 gIR = &ir; | |
89 ir.dmodule = this; | |
90 | |
173
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91 // reset all IR data stored in Dsymbols and Types |
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92 IrDsymbol::resetAll(); |
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93 IrType::resetAll(); |
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94 |
6 | 95 // name the module |
1 | 96 std::string mname(toChars()); |
97 if (md != 0) | |
98 mname = md->toChars(); | |
99 ir.module = new llvm::Module(mname); | |
100 | |
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101 // module ir state |
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102 // might already exist via import, just overwrite... |
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103 //FIXME: is there a good reason for overwriting? |
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104 this->ir.irModule = new IrModule(this, srcfile->toChars()); |
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105 |
6 | 106 // set target stuff |
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107 |
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108 ir.module->setTargetTriple(global.params.targetTriple); |
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109 ir.module->setDataLayout(global.params.dataLayout); |
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110 |
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111 // get the target machine |
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112 const llvm::TargetMachineRegistry::entry* MArch; |
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113 |
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114 std::string Err; |
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115 MArch = llvm::TargetMachineRegistry::getClosestStaticTargetForModule(*ir.module, Err); |
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116 if (MArch == 0) { |
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117 error("error auto-selecting target for module '%s'", Err.c_str()); |
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118 fatal(); |
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119 } |
1 | 120 |
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121 llvm::SubtargetFeatures Features; |
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122 //TODO: Features? |
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123 // Features.setCPU(MCPU); |
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124 // for (unsigned i = 0; i != MAttrs.size(); ++i) |
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125 // Features.AddFeature(MAttrs[i]); |
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126 |
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127 // only generate PIC code when -fPIC switch is used |
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128 if (global.params.pic) |
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129 llvm::TargetMachine::setRelocationModel(llvm::Reloc::PIC_); |
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130 |
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131 // allocate the target machine |
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132 std::auto_ptr<llvm::TargetMachine> target(MArch->CtorFn(*ir.module, Features.getString())); |
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133 assert(target.get() && "Could not allocate target machine!"); |
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134 llvm::TargetMachine &Target = *target.get(); |
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135 |
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136 gTargetData = Target.getTargetData(); |
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137 |
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138 // set final data layout |
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139 std::string datalayout = gTargetData->getStringRepresentation(); |
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140 ir.module->setDataLayout(datalayout); |
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141 if (Logger::enabled()) |
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142 Logger::cout() << "Final data layout: " << datalayout << '\n'; |
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143 assert(memcmp(global.params.dataLayout, datalayout.c_str(), 9) == 0); // "E-p:xx:xx" |
1 | 144 |
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145 // debug info |
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146 if (global.params.symdebug) { |
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147 RegisterDwarfSymbols(ir.module); |
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148 DtoDwarfCompileUnit(this); |
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149 } |
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150 |
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151 // handle invalid 'objectø module |
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152 if (!ClassDeclaration::object) { |
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153 error("is missing 'class Object'"); |
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154 fatal(); |
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155 } |
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156 if (!ClassDeclaration::classinfo) { |
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157 error("is missing 'class ClassInfo'"); |
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158 fatal(); |
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159 } |
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160 |
6 | 161 // process module members |
1 | 162 for (int k=0; k < members->dim; k++) { |
163 Dsymbol* dsym = (Dsymbol*)(members->data[k]); | |
164 assert(dsym); | |
336 | 165 dsym->toObjFile(multiobj); |
1 | 166 } |
167 | |
102
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168 // main driver loop |
116
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169 DtoEmptyAllLists(); |
89 | 170 // generate ModuleInfo |
171 genmoduleinfo(); | |
116
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172 // do this again as moduleinfo might have pulled something in! |
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173 DtoEmptyAllLists(); |
89 | 174 |
250
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175 // emit usedArray |
323
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176 if (!ir.usedArray.empty()) |
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177 { |
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178 const LLArrayType* usedTy = LLArrayType::get(getVoidPtrType(), ir.usedArray.size()); |
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179 LLConstant* usedInit = LLConstantArray::get(usedTy, ir.usedArray); |
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180 LLGlobalVariable* usedArray = new LLGlobalVariable(usedTy, true, LLGlobalValue::AppendingLinkage, usedInit, "llvm.used", ir.module); |
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181 usedArray->setSection("llvm.metadata"); |
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182 } |
250
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183 |
6 | 184 // verify the llvm |
31
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185 if (!global.params.novalidate) { |
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186 std::string verifyErr; |
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187 Logger::println("Verifying module..."); |
117 | 188 LOG_SCOPE; |
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189 if (llvm::verifyModule(*ir.module,llvm::ReturnStatusAction,&verifyErr)) |
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190 { |
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191 error("%s", verifyErr.c_str()); |
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192 fatal(); |
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193 } |
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194 else { |
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195 Logger::println("Verification passed!"); |
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196 } |
1 | 197 } |
198 | |
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199 // always run this pass to eliminate dead code that breaks debug info |
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200 llvm::PassManager pm; |
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201 pm.add(new llvm::TargetData(ir.module)); |
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202 pm.add(llvm::createCFGSimplificationPass()); |
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203 pm.run(*ir.module); |
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204 |
125 | 205 // run optimizer |
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206 ldc_optimize_module(ir.module, global.params.optimizeLevel, global.params.llvmInline); |
1 | 207 |
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208 // verify the llvm |
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209 if (!global.params.novalidate && (global.params.optimizeLevel >= 0 || global.params.llvmInline)) { |
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210 std::string verifyErr; |
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211 Logger::println("Verifying module... again..."); |
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212 LOG_SCOPE; |
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213 if (llvm::verifyModule(*ir.module,llvm::ReturnStatusAction,&verifyErr)) |
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214 { |
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215 error("%s", verifyErr.c_str()); |
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216 fatal(); |
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217 } |
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218 else { |
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219 Logger::println("Verification passed!"); |
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220 } |
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221 } |
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222 |
217
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223 // eventually do our own path stuff, dmd's is a bit strange. |
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224 typedef llvm::sys::Path LLPath; |
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225 |
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226 // write LLVM bitcode |
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227 if (global.params.output_bc) { |
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228 LLPath bcpath = LLPath(objfile->name->toChars()); |
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229 bcpath.eraseSuffix(); |
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230 bcpath.appendSuffix(std::string(global.bc_ext)); |
393
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231 Logger::println("Writing LLVM bitcode to: %s\n", bcpath.c_str()); |
217
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232 std::ofstream bos(bcpath.c_str(), std::ios::binary); |
52 | 233 llvm::WriteBitcodeToFile(ir.module, bos); |
234 } | |
1 | 235 |
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236 // write LLVM IR |
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237 if (global.params.output_ll) { |
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238 LLPath llpath = LLPath(objfile->name->toChars()); |
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239 llpath.eraseSuffix(); |
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240 llpath.appendSuffix(std::string(global.ll_ext)); |
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241 Logger::println("Writing LLVM asm to: %s\n", llpath.c_str()); |
217
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242 std::ofstream aos(llpath.c_str()); |
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243 ir.module->print(aos, NULL); |
52 | 244 } |
1 | 245 |
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246 // write native assembly |
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247 if (global.params.output_s || global.params.output_o) { |
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248 LLPath spath = LLPath(objfile->name->toChars()); |
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249 spath.eraseSuffix(); |
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250 spath.appendSuffix(std::string(global.s_ext)); |
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251 if (!global.params.output_s) { |
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252 spath.createTemporaryFileOnDisk(); |
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253 } |
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254 Logger::println("Writing native asm to: %s\n", spath.c_str()); |
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255 std::string err; |
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256 { |
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257 llvm::raw_fd_ostream out(spath.c_str(), err); |
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258 write_asm_to_file(Target, *ir.module, out); |
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259 } |
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260 |
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261 // call gcc to convert assembly to object file |
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262 if (global.params.output_o) { |
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263 LLPath objpath = LLPath(objfile->name->toChars()); |
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264 assemble(spath, objpath); |
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265 } |
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266 |
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267 if (!global.params.output_s) { |
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268 spath.eraseFromDisk(); |
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269 } |
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270 } |
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271 |
1 | 272 delete ir.module; |
125 | 273 gTargetData = 0; |
1 | 274 gIR = NULL; |
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275 |
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276 if (llvmForceLogging && !logenabled) |
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277 { |
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278 Logger::disable(); |
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279 } |
1 | 280 } |
281 | |
282 /* ================================================================== */ | |
283 | |
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284 // based on llc code, University of Illinois Open Source License |
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285 void write_asm_to_file(llvm::TargetMachine &Target, llvm::Module& m, llvm::raw_fd_ostream& out) |
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286 { |
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287 using namespace llvm; |
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288 |
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289 // Build up all of the passes that we want to do to the module. |
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290 ExistingModuleProvider Provider(&m); |
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291 FunctionPassManager Passes(&Provider); |
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292 |
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293 Passes.add(new TargetData(*Target.getTargetData())); |
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294 |
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295 // Ask the target to add backend passes as necessary. |
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296 MachineCodeEmitter *MCE = 0; |
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297 |
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298 //TODO: May want to switch it on for -O0? |
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299 bool Fast = false; |
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300 FileModel::Model mod = Target.addPassesToEmitFile(Passes, out, TargetMachine::AssemblyFile, Fast); |
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301 assert(mod == FileModel::AsmFile); |
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302 |
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303 bool err = Target.addPassesToEmitFileFinish(Passes, MCE, Fast); |
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304 assert(!err); |
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305 |
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306 Passes.doInitialization(); |
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307 |
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308 // Run our queue of passes all at once now, efficiently. |
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309 for (llvm::Module::iterator I = m.begin(), E = m.end(); I != E; ++I) |
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310 if (!I->isDeclaration()) |
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311 Passes.run(*I); |
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312 |
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313 Passes.doFinalization(); |
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314 |
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315 // release module from module provider so we can delete it ourselves |
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316 std::string Err; |
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317 llvm::Module* rmod = Provider.releaseModule(&Err); |
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318 assert(rmod); |
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319 } |
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320 |
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321 /* ================================================================== */ |
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322 |
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323 // uses gcc to make an obj out of an assembly file |
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324 // based on llvm-ld code, University of Illinois Open Source License |
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325 void assemble(const llvm::sys::Path& asmpath, const llvm::sys::Path& objpath) |
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326 { |
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327 using namespace llvm; |
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328 |
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329 const char *cc; |
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330 #if !_WIN32 |
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331 cc = getenv("CC"); |
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332 if (!cc) |
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333 #endif |
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334 cc = "gcc"; |
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335 |
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336 sys::Path gcc = llvm::sys::Program::FindProgramByName(cc); |
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337 if (gcc.empty()) |
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338 { |
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339 error("failed to locate gcc"); |
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340 fatal(); |
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341 } |
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342 |
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343 // Run GCC to assemble and link the program into native code. |
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344 // |
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345 // Note: |
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346 // We can't just assemble and link the file with the system assembler |
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347 // and linker because we don't know where to put the _start symbol. |
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348 // GCC mysteriously knows how to do it. |
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349 std::vector<std::string> args; |
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350 args.push_back(gcc.toString()); |
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351 args.push_back("-fno-strict-aliasing"); |
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352 args.push_back("-O3"); |
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353 args.push_back("-c"); |
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354 args.push_back("-xassembler"); |
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355 args.push_back(asmpath.toString()); |
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356 args.push_back("-o"); |
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357 args.push_back(objpath.toString()); |
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358 |
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359 //FIXME: only use this if needed? |
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360 args.push_back("-fpic"); |
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361 |
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362 // Now that "args" owns all the std::strings for the arguments, call the c_str |
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363 // method to get the underlying string array. We do this game so that the |
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364 // std::string array is guaranteed to outlive the const char* array. |
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365 std::vector<const char *> Args; |
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366 for (unsigned i = 0, e = args.size(); i != e; ++i) |
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367 Args.push_back(args[i].c_str()); |
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368 Args.push_back(0); |
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369 |
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370 Logger::println("Assembling with: "); |
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371 std::vector<const char*>::const_iterator I = Args.begin(), E = Args.end(); |
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372 std::ostream& logstr = Logger::cout(); |
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373 for (; I != E; ++I) |
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374 if (*I) |
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375 logstr << "'" << *I << "'" << " "; |
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376 logstr << "\n" << std::flush; |
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377 |
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378 // Run the compiler to assembly the program. |
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379 std::string ErrMsg; |
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380 int R = sys::Program::ExecuteAndWait( |
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381 gcc, &Args[0], 0, 0, 0, 0, &ErrMsg); |
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382 if (R) |
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383 { |
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384 error("failed to invoke gcc"); |
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385 fatal(); |
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386 } |
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387 } |
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388 |
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389 |
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390 /* ================================================================== */ |
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391 |
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392 // the following code generates functions and needs to output |
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393 // debug info. these macros are useful for that |
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394 #define DBG_TYPE ( getPtrToType(llvm::StructType::get(NULL,NULL)) ) |
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395 #define DBG_CAST(X) ( llvm::ConstantExpr::getBitCast(X, DBG_TYPE) ) |
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396 |
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397 // build module ctor |
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398 |
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399 llvm::Function* build_module_ctor() |
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400 { |
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401 if (gIR->ctors.empty()) |
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402 return NULL; |
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403 |
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404 size_t n = gIR->ctors.size(); |
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405 if (n == 1) |
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406 return gIR->ctors[0]->ir.irFunc->func; |
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407 |
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408 std::string name("_D"); |
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409 name.append(gIR->dmodule->mangle()); |
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410 name.append("6__ctorZ"); |
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411 |
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412 std::vector<const LLType*> argsTy; |
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413 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 414 assert(gIR->module->getFunction(name) == NULL); |
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415 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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416 fn->setCallingConv(DtoCallingConv(LINKd)); |
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417 |
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418 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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419 IRBuilder<> builder(bb); |
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420 |
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421 // debug info |
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422 LLGlobalVariable* subprog; |
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423 if(global.params.symdebug) { |
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424 subprog = DtoDwarfSubProgramInternal(name.c_str(), name.c_str()); |
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425 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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426 } |
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427 |
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428 for (size_t i=0; i<n; i++) { |
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429 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
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430 llvm::CallInst* call = builder.CreateCall(f,""); |
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431 call->setCallingConv(DtoCallingConv(LINKd)); |
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432 } |
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433 |
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434 // debug info end |
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435 if(global.params.symdebug) |
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436 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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437 |
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438 builder.CreateRetVoid(); |
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439 return fn; |
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440 } |
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441 |
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442 // build module dtor |
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443 |
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444 static llvm::Function* build_module_dtor() |
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445 { |
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446 if (gIR->dtors.empty()) |
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447 return NULL; |
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448 |
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449 size_t n = gIR->dtors.size(); |
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450 if (n == 1) |
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451 return gIR->dtors[0]->ir.irFunc->func; |
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452 |
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453 std::string name("_D"); |
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454 name.append(gIR->dmodule->mangle()); |
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455 name.append("6__dtorZ"); |
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456 |
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457 std::vector<const LLType*> argsTy; |
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458 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 459 assert(gIR->module->getFunction(name) == NULL); |
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460 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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461 fn->setCallingConv(DtoCallingConv(LINKd)); |
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462 |
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463 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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464 IRBuilder<> builder(bb); |
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465 |
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466 // debug info |
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467 LLGlobalVariable* subprog; |
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468 if(global.params.symdebug) { |
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469 subprog = DtoDwarfSubProgramInternal(name.c_str(), name.c_str()); |
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470 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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471 } |
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472 |
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473 for (size_t i=0; i<n; i++) { |
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474 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
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475 llvm::CallInst* call = builder.CreateCall(f,""); |
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476 call->setCallingConv(DtoCallingConv(LINKd)); |
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477 } |
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478 |
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479 // debug info end |
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480 if(global.params.symdebug) |
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481 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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482 |
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483 builder.CreateRetVoid(); |
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484 return fn; |
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485 } |
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486 |
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487 // build module unittest |
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488 |
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489 static llvm::Function* build_module_unittest() |
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490 { |
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491 if (gIR->unitTests.empty()) |
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492 return NULL; |
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493 |
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494 size_t n = gIR->unitTests.size(); |
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495 if (n == 1) |
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496 return gIR->unitTests[0]->ir.irFunc->func; |
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497 |
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498 std::string name("_D"); |
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499 name.append(gIR->dmodule->mangle()); |
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500 name.append("10__unittestZ"); |
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501 |
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502 std::vector<const LLType*> argsTy; |
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503 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 504 assert(gIR->module->getFunction(name) == NULL); |
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505 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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506 fn->setCallingConv(DtoCallingConv(LINKd)); |
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507 |
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508 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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509 IRBuilder<> builder(bb); |
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510 |
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511 // debug info |
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512 LLGlobalVariable* subprog; |
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513 if(global.params.symdebug) { |
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514 subprog = DtoDwarfSubProgramInternal(name.c_str(), name.c_str()); |
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515 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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516 } |
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517 |
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518 for (size_t i=0; i<n; i++) { |
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519 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
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520 llvm::CallInst* call = builder.CreateCall(f,""); |
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521 call->setCallingConv(DtoCallingConv(LINKd)); |
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522 } |
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523 |
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524 // debug info end |
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525 if(global.params.symdebug) |
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526 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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527 |
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528 builder.CreateRetVoid(); |
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529 return fn; |
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530 } |
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531 |
323
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532 // build ModuleReference and register function, to register the module info in the global linked list |
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533 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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534 { |
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535 // build ctor type |
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536 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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537 |
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538 // build ctor name |
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539 std::string fname = "_D"; |
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540 fname += gIR->dmodule->mangle(); |
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541 fname += "16__moduleinfoCtorZ"; |
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542 |
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543 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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544 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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545 |
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546 // provide the default initializer |
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547 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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548 std::vector<LLConstant*> mrefvalues; |
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549 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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550 mrefvalues.push_back(llvm::ConstantExpr::getBitCast(moduleinfo, modulerefTy->getContainedType(1))); |
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551 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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552 |
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553 // create the ModuleReference node for this module |
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554 std::string thismrefname = "_D"; |
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555 thismrefname += gIR->dmodule->mangle(); |
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556 thismrefname += "11__moduleRefZ"; |
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557 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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558 |
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559 // make sure _Dmodule_ref is declared |
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560 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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561 if (!mref) |
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562 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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563 |
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564 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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565 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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566 IRBuilder<> builder(bb); |
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567 |
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568 // debug info |
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569 LLGlobalVariable* subprog; |
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570 if(global.params.symdebug) { |
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571 subprog = DtoDwarfSubProgramInternal(fname.c_str(), fname.c_str()); |
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572 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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573 } |
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574 |
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575 // get current beginning |
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576 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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577 |
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578 // put current beginning as the next of this one |
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579 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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580 builder.CreateStore(curbeg, gep); |
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581 |
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582 // replace beginning |
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583 builder.CreateStore(thismref, mref); |
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584 |
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585 // debug info end |
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586 if(global.params.symdebug) |
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587 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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588 |
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589 // return |
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590 builder.CreateRetVoid(); |
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591 |
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592 return ctor; |
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593 } |
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594 |
1 | 595 // Put out instance of ModuleInfo for this Module |
596 | |
597 void Module::genmoduleinfo() | |
598 { | |
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599 // The layout is: |
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600 // { |
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601 // char[] name; |
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602 // ModuleInfo[] importedModules; |
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603 // ClassInfo[] localClasses; |
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604 // uint flags; |
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605 // |
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606 // void function() ctor; |
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607 // void function() dtor; |
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608 // void function() unitTest; |
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609 // |
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610 // void* xgetMembers; |
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611 // void function() ictor; |
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612 // } |
89 | 613 |
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614 // resolve ModuleInfo |
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615 assert(moduleinfo); |
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616 DtoForceConstInitDsymbol(moduleinfo); |
89 | 617 |
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618 // check for patch |
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619 if (moduleinfo->fields.dim != 9) |
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620 { |
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621 error("unpatched object.d detected, ModuleInfo incorrect"); |
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622 fatal(); |
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623 } |
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624 |
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625 // moduleinfo llvm struct type |
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626 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
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627 // classinfo llvm struct type |
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628 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 629 |
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630 // initializer vector |
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631 std::vector<LLConstant*> initVec; |
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632 LLConstant* c = 0; |
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633 |
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634 // vtable |
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635 c = moduleinfo->ir.irStruct->vtbl; |
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636 initVec.push_back(c); |
89 | 637 |
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638 // monitor |
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639 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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640 initVec.push_back(c); |
89 | 641 |
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642 // name |
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643 char *name = toPrettyChars(); |
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644 c = DtoConstString(name); |
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645 initVec.push_back(c); |
89 | 646 |
647 // importedModules[] | |
648 int aimports_dim = aimports.dim; | |
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649 std::vector<LLConstant*> importInits; |
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650 for (size_t i = 0; i < aimports.dim; i++) |
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651 { |
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652 Module *m = (Module *)aimports.data[i]; |
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653 if (!m->needModuleInfo() || m == this) |
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654 continue; |
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655 |
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656 // declare the imported module info |
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657 std::string m_name("_D"); |
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658 m_name.append(m->mangle()); |
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659 m_name.append("8__ModuleZ"); |
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660 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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661 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
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662 importInits.push_back(m_gvar); |
89 | 663 } |
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664 // has import array? |
133
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665 if (!importInits.empty()) |
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666 { |
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667 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
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668 c = llvm::ConstantArray::get(importArrTy, importInits); |
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669 std::string m_name("_D"); |
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670 m_name.append(mangle()); |
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671 m_name.append("9__importsZ"); |
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672 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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673 if (!m_gvar) m_gvar = new llvm::GlobalVariable(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
133
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674 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
116
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675 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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676 } |
89 | 677 else |
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678 c = DtoConstSlice( DtoConstSize_t(0), getNullValue(getPtrToType(moduleinfoTy)) ); |
116
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679 initVec.push_back(c); |
89 | 680 |
681 // localClasses[] | |
116
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682 ClassDeclarations aclasses; |
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683 //printf("members->dim = %d\n", members->dim); |
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684 for (size_t i = 0; i < members->dim; i++) |
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685 { |
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686 Dsymbol *member; |
89 | 687 |
116
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688 member = (Dsymbol *)members->data[i]; |
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689 //printf("\tmember '%s'\n", member->toChars()); |
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690 member->addLocalClass(&aclasses); |
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691 } |
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692 // fill inits |
213
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693 std::vector<LLConstant*> classInits; |
116
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694 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 695 { |
116
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696 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
133
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697 if (cd->isInterfaceDeclaration()) |
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698 { |
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699 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
133
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700 continue; |
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701 } |
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702 else if (cd->sizeok != 1) |
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703 { |
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704 Logger::println("skipping opaque class declaration '%s' in moduleinfo", cd->toPrettyChars()); |
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705 continue; |
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706 } |
132 | 707 Logger::println("class: %s", cd->toPrettyChars()); |
173
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708 assert(cd->ir.irStruct->classInfo); |
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709 c = DtoBitCast(cd->ir.irStruct->classInfo, getPtrToType(classinfoTy)); |
797
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710 classInits.push_back(c); |
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711 } |
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712 // has class array? |
133
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713 if (!classInits.empty()) |
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714 { |
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715 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
116
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716 c = llvm::ConstantArray::get(classArrTy, classInits); |
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717 std::string m_name("_D"); |
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718 m_name.append(mangle()); |
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719 m_name.append("9__classesZ"); |
184 | 720 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
116
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721 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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722 c = DtoBitCast(m_gvar, getPtrToType(classinfoTy)); |
116
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723 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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724 } |
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725 else |
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726 c = DtoConstSlice( DtoConstSize_t(0), getNullValue(getPtrToType(classinfoTy)) ); |
116
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727 initVec.push_back(c); |
89 | 728 |
116
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729 // flags |
132 | 730 c = DtoConstUint(0); |
731 if (!needmoduleinfo) | |
116
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732 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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733 initVec.push_back(c); |
89 | 734 |
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735 // function pointer type for next three fields |
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736 const LLType* fnptrTy = getPtrToType(LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false)); |
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737 |
116
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738 // ctor |
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739 llvm::Function* fctor = build_module_ctor(); |
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740 c = fctor ? fctor : getNullValue(fnptrTy); |
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741 initVec.push_back(c); |
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742 |
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743 // dtor |
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744 llvm::Function* fdtor = build_module_dtor(); |
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745 c = fdtor ? fdtor : getNullValue(fnptrTy); |
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746 initVec.push_back(c); |
89 | 747 |
116
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748 // unitTest |
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749 llvm::Function* unittest = build_module_unittest(); |
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750 c = unittest ? unittest : getNullValue(fnptrTy); |
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751 initVec.push_back(c); |
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752 |
132 | 753 // xgetMembers |
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754 c = getNullValue(getVoidPtrType()); |
132 | 755 initVec.push_back(c); |
756 | |
757 // ictor | |
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758 c = getNullValue(fnptrTy); |
132 | 759 initVec.push_back(c); |
760 | |
761 /*Logger::println("MODULE INFO INITIALIZERS"); | |
762 for (size_t i=0; i<initVec.size(); ++i) | |
763 { | |
764 Logger::cout() << *initVec[i] << '\n'; | |
765 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
766 assert(0); | |
767 }*/ | |
768 | |
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769 // create initializer |
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770 LLConstant* constMI = llvm::ConstantStruct::get(initVec); |
89 | 771 |
116
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772 // create name |
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773 std::string MIname("_D"); |
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774 MIname.append(mangle()); |
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775 MIname.append("8__ModuleZ"); |
89 | 776 |
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777 // declare global |
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778 // flags will be modified at runtime so can't make it constant |
184 | 779 |
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780 // it makes no sense that the our own module info already exists! |
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781 assert(!gIR->module->getGlobalVariable(MIname)); |
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782 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(constMI->getType(), false, llvm::GlobalValue::ExternalLinkage, constMI, MIname, gIR->module); |
117 | 783 |
323
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|
784 // build the modulereference and ctor for registering it |
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785 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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786 |
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|
787 // register this ctor in the magic llvm.global_ctors appending array |
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788 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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|
789 std::vector<const LLType*> magictypes; |
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|
790 magictypes.push_back(LLType::Int32Ty); |
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791 magictypes.push_back(getPtrToType(magicfty)); |
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|
792 const LLStructType* magicsty = LLStructType::get(magictypes); |
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|
793 |
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|
794 // make the constant element |
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795 std::vector<LLConstant*> magicconstants; |
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|
796 magicconstants.push_back(DtoConstUint(65535)); |
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|
797 magicconstants.push_back(mictor); |
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|
798 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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|
799 |
117 | 800 // declare the appending array |
323
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|
801 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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|
802 std::vector<LLConstant*> appendInits(1, magicinit); |
213
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|
803 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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804 std::string appendName("llvm.global_ctors"); |
117 | 805 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 806 } |
807 | |
808 /* ================================================================== */ | |
809 | |
336 | 810 void Dsymbol::toObjFile(int multiobj) |
1 | 811 { |
38
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diff
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812 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 813 } |
814 | |
815 /* ================================================================== */ | |
816 | |
751
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Christian Kamm <kamm incasoftware de>
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817 void Declaration::toObjFile(int unused) |
1 | 818 { |
38
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819 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 820 } |
821 | |
822 /* ================================================================== */ | |
823 | |
336 | 824 void InterfaceDeclaration::toObjFile(int multiobj) |
1 | 825 { |
133
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826 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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|
827 gIR->resolveList.push_back(this); |
1 | 828 } |
829 | |
830 /* ================================================================== */ | |
831 | |
336 | 832 void StructDeclaration::toObjFile(int multiobj) |
1 | 833 { |
102
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|
834 gIR->resolveList.push_back(this); |
1 | 835 } |
836 | |
837 /* ================================================================== */ | |
838 | |
336 | 839 void ClassDeclaration::toObjFile(int multiobj) |
1 | 840 { |
102
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|
841 gIR->resolveList.push_back(this); |
1 | 842 } |
843 | |
844 /****************************************** | |
845 * Get offset of base class's vtbl[] initializer from start of csym. | |
846 * Returns ~0 if not this csym. | |
847 */ | |
848 | |
849 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
850 { | |
851 return ~0; | |
852 } | |
853 | |
854 /* ================================================================== */ | |
855 | |
732
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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856 void TupleDeclaration::toObjFile(int multiobj) |
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857 { |
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|
858 Logger::println("TupleDeclaration::toObjFile(): %s", toChars()); |
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|
859 |
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860 assert(isexp); |
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|
861 assert(objects); |
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|
862 |
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863 int n = objects->dim; |
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Fixed tuple fields, thanx downs
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864 |
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865 for (int i=0; i < n; ++i) |
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866 { |
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867 DsymbolExp* exp = (DsymbolExp*)objects->data[i]; |
733
cc8ba72c0350
Nested access to with statement should work now. fixes #105
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|
868 assert(exp->op == TOKdsymbol); |
732
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869 exp->s->toObjFile(multiobj); |
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870 } |
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871 } |
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872 |
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873 /* ================================================================== */ |
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874 |
336 | 875 void VarDeclaration::toObjFile(int multiobj) |
1 | 876 { |
40 | 877 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 878 LOG_SCOPE; |
879 | |
85
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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|
880 if (aliassym) |
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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|
881 { |
88
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[svn r92] Fixed support for statically initialized unions. lots of bugfixes as cleanups too.
lindquist
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diff
changeset
|
882 Logger::println("alias sym"); |
336 | 883 toAlias()->toObjFile(multiobj); |
85
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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|
884 return; |
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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|
885 } |
f869c636a113
[svn r89] Fixed a bunch of problems with template instance across multiple modules.
lindquist
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diff
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|
886 |
1 | 887 // global variable or magic |
85
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
lindquist
parents:
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diff
changeset
|
888 if (isDataseg()) |
1 | 889 { |
511
a0b0676e787d
Fixed problem when instantiating a template with private global variables.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
499
diff
changeset
|
890 Logger::println("data segment"); |
a0b0676e787d
Fixed problem when instantiating a template with private global variables.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
499
diff
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|
891 |
766
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D2: Fixed global constants not initialized until module constructor.
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|
892 #if DMDV2 |
af04bbae8553
D2: Fixed global constants not initialized until module constructor.
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|
893 if (storage_class & STCmanifest) |
af04bbae8553
D2: Fixed global constants not initialized until module constructor.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
894 { |
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D2: Fixed global constants not initialized until module constructor.
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changeset
|
895 assert(0 && "manifest constant being codegened!!!"); |
af04bbae8553
D2: Fixed global constants not initialized until module constructor.
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|
896 } |
af04bbae8553
D2: Fixed global constants not initialized until module constructor.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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|
897 #endif |
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D2: Fixed global constants not initialized until module constructor.
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|
898 |
132 | 899 // don't duplicate work |
173
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[svn r189] moving IR data back into DMD frontend nodes
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900 if (this->ir.resolved) return; |
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[svn r189] moving IR data back into DMD frontend nodes
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|
901 this->ir.resolved = true; |
db9890b3fb64
[svn r189] moving IR data back into DMD frontend nodes
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|
902 this->ir.declared = true; |
40 | 903 |
173
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[svn r189] moving IR data back into DMD frontend nodes
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|
904 this->ir.irGlobal = new IrGlobal(this); |
100 | 905 |
906 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
907 | |
149
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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|
908 // handle static local variables |
100 | 909 bool static_local = false; |
766
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910 #if DMDV2 |
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911 // not sure why this is only needed for d2 |
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|
912 bool _isconst = isConst() && init; |
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|
913 #else |
149
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|
914 bool _isconst = isConst(); |
766
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|
915 #endif |
797
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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|
916 Dsymbol* par = toParent2(); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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|
917 if (par && par->isFuncDeclaration()) |
149
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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918 { |
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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|
919 static_local = true; |
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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|
920 if (init && init->isExpInitializer()) { |
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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|
921 _isconst = false; |
4c577c2b7229
[svn r155] Fixed a bunch of linkage problems (especially with templates)
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|
922 } |
85
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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|
923 } |
149
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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|
924 |
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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|
925 Logger::println("Creating global variable"); |
26
99737f94abfb
[svn r30] * Fixed static function-local variables.
lindquist
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24
diff
changeset
|
926 |
213
7816aafeea3c
[svn r229] Updated the object.d implementation to the latest Tango.
lindquist
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927 const LLType* _type = this->ir.irGlobal->type.get(); |
149
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|
928 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
21
8d45266bbabe
[svn r25] * Fixed a lot of problems with string literals
lindquist
parents:
18
diff
changeset
|
929 std::string _name(mangle()); |
52 | 930 |
100 | 931 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(_type,_isconst,_linkage,NULL,_name,gIR->module); |
173
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[svn r189] moving IR data back into DMD frontend nodes
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|
932 this->ir.irGlobal->value = gvar; |
88
058d3925950e
[svn r92] Fixed support for statically initialized unions. lots of bugfixes as cleanups too.
lindquist
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diff
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|
933 |
622
26fce59fe80a
Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
605
diff
changeset
|
934 if (Logger::enabled()) |
26fce59fe80a
Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested.
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parents:
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diff
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|
935 Logger::cout() << *gvar << '\n'; |
163
a8cd9bc1021a
[svn r179] lots and lots of fixes, much more of tango now compiles/works.
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|
936 |
100 | 937 if (static_local) |
938 DtoConstInitGlobal(this); | |
939 else | |
102
027b8d8b71ec
[svn r106] Turns out the last commit wasn't enough, now the D->LLVM process is even more split up.
lindquist
parents:
100
diff
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|
940 gIR->constInitList.push_back(this); |
1 | 941 } |
942 else | |
943 { | |
797
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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parents:
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diff
changeset
|
944 // might already have its irField, as classes derive each other without getting copies of the VarDeclaration |
758
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
751
diff
changeset
|
945 if (!ir.irField) |
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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|
946 { |
797
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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parents:
766
diff
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|
947 assert(!ir.isSet()); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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changeset
|
948 ir.irField = new IrField(this); |
758
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
751
diff
changeset
|
949 } |
797
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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parents:
766
diff
changeset
|
950 IrStruct* irstruct = gIR->topstruct(); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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parents:
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diff
changeset
|
951 irstruct->addVar(this); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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parents:
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diff
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|
952 |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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parents:
766
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|
953 Logger::println("added offset %u", offset); |
1 | 954 } |
955 } | |
956 | |
957 /* ================================================================== */ | |
958 | |
336 | 959 void TypedefDeclaration::toObjFile(int multiobj) |
1 | 960 { |
961 static int tdi = 0; | |
962 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
963 LOG_SCOPE; | |
964 | |
52 | 965 // generate typeinfo |
275
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[svn r296] Removed: the 'suite' dir, it never took off!
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966 DtoTypeInfoOf(type, false); |
1 | 967 } |
968 | |
969 /* ================================================================== */ | |
970 | |
336 | 971 void EnumDeclaration::toObjFile(int multiobj) |
1 | 972 { |
38
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[svn r42] Disabled the extensive logging by default. Use the -vv flag to get it back.
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973 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 974 } |
975 | |
976 /* ================================================================== */ | |
977 | |
336 | 978 void FuncDeclaration::toObjFile(int multiobj) |
1 | 979 { |
102
027b8d8b71ec
[svn r106] Turns out the last commit wasn't enough, now the D->LLVM process is even more split up.
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980 gIR->resolveList.push_back(this); |
1 | 981 } |
797
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982 |
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983 /* ================================================================== */ |
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parents:
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984 |
340acf1535d0
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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985 void AnonDeclaration::toObjFile(int multiobj) |
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986 { |
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987 Array *d = include(NULL, NULL); |
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parents:
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988 |
340acf1535d0
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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changeset
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989 if (d) |
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990 { |
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Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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changeset
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991 // get real aggregate parent |
340acf1535d0
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parents:
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changeset
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992 IrStruct* irstruct = gIR->topstruct(); |
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parents:
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993 |
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994 // push a block on the stack |
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parents:
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995 irstruct->pushAnon(isunion); |
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996 |
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997 // go over children |
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998 for (unsigned i = 0; i < d->dim; i++) |
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999 { Dsymbol *s = (Dsymbol *)d->data[i]; |
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1000 s->toObjFile(multiobj); |
340acf1535d0
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1001 } |
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1002 |
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parents:
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1003 // finish |
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1004 irstruct->popAnon(); |
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1005 } |
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1006 } |