Mercurial > projects > ldc
annotate gen/toobj.cpp @ 851:582326ec1042
Add druntime to hgignore.
author | Christian Kamm <kamm incasoftware de> |
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date | Sun, 14 Dec 2008 16:31:03 +0100 |
parents | ba390e5e9150 |
children | c1aeb2d0b559 |
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 sys::Path gcc = llvm::sys::Program::FindProgramByName("gcc"); |
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330 if (gcc.empty()) |
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331 { |
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332 error("failed to locate gcc"); |
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333 fatal(); |
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334 } |
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335 |
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336 // Run GCC to assemble and link the program into native code. |
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337 // |
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338 // Note: |
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339 // We can't just assemble and link the file with the system assembler |
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340 // and linker because we don't know where to put the _start symbol. |
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341 // GCC mysteriously knows how to do it. |
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342 std::vector<std::string> args; |
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343 args.push_back(gcc.toString()); |
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344 args.push_back("-fno-strict-aliasing"); |
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345 args.push_back("-O3"); |
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346 args.push_back("-c"); |
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347 args.push_back("-xassembler"); |
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348 args.push_back(asmpath.toString()); |
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349 args.push_back("-o"); |
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350 args.push_back(objpath.toString()); |
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351 |
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352 //FIXME: only use this if needed? |
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353 args.push_back("-fpic"); |
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354 |
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355 // Now that "args" owns all the std::strings for the arguments, call the c_str |
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356 // method to get the underlying string array. We do this game so that the |
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357 // std::string array is guaranteed to outlive the const char* array. |
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358 std::vector<const char *> Args; |
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359 for (unsigned i = 0, e = args.size(); i != e; ++i) |
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360 Args.push_back(args[i].c_str()); |
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361 Args.push_back(0); |
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362 |
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363 Logger::println("Assembling with: "); |
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364 std::vector<const char*>::const_iterator I = Args.begin(), E = Args.end(); |
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365 std::ostream& logstr = Logger::cout(); |
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366 for (; I != E; ++I) |
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367 if (*I) |
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368 logstr << "'" << *I << "'" << " "; |
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369 logstr << "\n" << std::flush; |
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370 |
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371 // Run the compiler to assembly the program. |
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372 std::string ErrMsg; |
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373 int R = sys::Program::ExecuteAndWait( |
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374 gcc, &Args[0], 0, 0, 0, 0, &ErrMsg); |
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375 if (R) |
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376 { |
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377 error("failed to invoke gcc"); |
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378 fatal(); |
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379 } |
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380 delete [] clean_env; |
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381 } |
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382 |
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383 |
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384 /* ================================================================== */ |
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385 |
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386 // the following code generates functions and needs to output |
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387 // debug info. these macros are useful for that |
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388 #define DBG_TYPE ( getPtrToType(llvm::StructType::get(NULL,NULL)) ) |
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389 #define DBG_CAST(X) ( llvm::ConstantExpr::getBitCast(X, DBG_TYPE) ) |
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390 |
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391 // build module ctor |
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392 |
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393 llvm::Function* build_module_ctor() |
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394 { |
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395 if (gIR->ctors.empty()) |
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396 return NULL; |
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397 |
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398 size_t n = gIR->ctors.size(); |
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399 if (n == 1) |
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400 return gIR->ctors[0]->ir.irFunc->func; |
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401 |
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402 std::string name("_D"); |
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403 name.append(gIR->dmodule->mangle()); |
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404 name.append("6__ctorZ"); |
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405 |
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406 std::vector<const LLType*> argsTy; |
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407 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 408 assert(gIR->module->getFunction(name) == NULL); |
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409 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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410 fn->setCallingConv(DtoCallingConv(LINKd)); |
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411 |
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412 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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413 IRBuilder<> builder(bb); |
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414 |
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415 // debug info |
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416 LLGlobalVariable* subprog; |
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417 if(global.params.symdebug) { |
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418 subprog = DtoDwarfSubProgramInternal(name.c_str(), name.c_str()); |
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419 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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420 } |
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421 |
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422 for (size_t i=0; i<n; i++) { |
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423 llvm::Function* f = gIR->ctors[i]->ir.irFunc->func; |
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424 llvm::CallInst* call = builder.CreateCall(f,""); |
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425 call->setCallingConv(DtoCallingConv(LINKd)); |
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426 } |
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427 |
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428 // debug info end |
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429 if(global.params.symdebug) |
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430 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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431 |
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432 builder.CreateRetVoid(); |
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433 return fn; |
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434 } |
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435 |
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436 // build module dtor |
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437 |
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438 static llvm::Function* build_module_dtor() |
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439 { |
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440 if (gIR->dtors.empty()) |
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441 return NULL; |
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442 |
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443 size_t n = gIR->dtors.size(); |
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444 if (n == 1) |
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445 return gIR->dtors[0]->ir.irFunc->func; |
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446 |
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447 std::string name("_D"); |
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448 name.append(gIR->dmodule->mangle()); |
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449 name.append("6__dtorZ"); |
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450 |
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451 std::vector<const LLType*> argsTy; |
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452 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 453 assert(gIR->module->getFunction(name) == NULL); |
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454 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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455 fn->setCallingConv(DtoCallingConv(LINKd)); |
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456 |
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457 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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458 IRBuilder<> builder(bb); |
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459 |
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460 // debug info |
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461 LLGlobalVariable* subprog; |
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462 if(global.params.symdebug) { |
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463 subprog = DtoDwarfSubProgramInternal(name.c_str(), name.c_str()); |
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464 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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465 } |
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466 |
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467 for (size_t i=0; i<n; i++) { |
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468 llvm::Function* f = gIR->dtors[i]->ir.irFunc->func; |
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469 llvm::CallInst* call = builder.CreateCall(f,""); |
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470 call->setCallingConv(DtoCallingConv(LINKd)); |
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471 } |
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472 |
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473 // debug info end |
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474 if(global.params.symdebug) |
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475 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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476 |
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477 builder.CreateRetVoid(); |
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478 return fn; |
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479 } |
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480 |
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481 // build module unittest |
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482 |
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483 static llvm::Function* build_module_unittest() |
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484 { |
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485 if (gIR->unitTests.empty()) |
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486 return NULL; |
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487 |
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488 size_t n = gIR->unitTests.size(); |
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489 if (n == 1) |
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490 return gIR->unitTests[0]->ir.irFunc->func; |
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491 |
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492 std::string name("_D"); |
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493 name.append(gIR->dmodule->mangle()); |
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494 name.append("10__unittestZ"); |
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495 |
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496 std::vector<const LLType*> argsTy; |
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497 const llvm::FunctionType* fnTy = llvm::FunctionType::get(LLType::VoidTy,argsTy,false); |
184 | 498 assert(gIR->module->getFunction(name) == NULL); |
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499 llvm::Function* fn = llvm::Function::Create(fnTy, llvm::GlobalValue::InternalLinkage, name, gIR->module); |
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500 fn->setCallingConv(DtoCallingConv(LINKd)); |
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501 |
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502 llvm::BasicBlock* bb = llvm::BasicBlock::Create("entry", fn); |
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503 IRBuilder<> builder(bb); |
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504 |
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505 // debug info |
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506 LLGlobalVariable* subprog; |
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507 if(global.params.symdebug) { |
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508 subprog = DtoDwarfSubProgramInternal(name.c_str(), name.c_str()); |
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509 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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510 } |
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511 |
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512 for (size_t i=0; i<n; i++) { |
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513 llvm::Function* f = gIR->unitTests[i]->ir.irFunc->func; |
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514 llvm::CallInst* call = builder.CreateCall(f,""); |
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515 call->setCallingConv(DtoCallingConv(LINKd)); |
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516 } |
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517 |
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518 // debug info end |
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519 if(global.params.symdebug) |
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520 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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521 |
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522 builder.CreateRetVoid(); |
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523 return fn; |
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524 } |
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525 |
323
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526 // build ModuleReference and register function, to register the module info in the global linked list |
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527 static LLFunction* build_module_reference_and_ctor(LLConstant* moduleinfo) |
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528 { |
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529 // build ctor type |
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530 const LLFunctionType* fty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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531 |
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532 // build ctor name |
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533 std::string fname = "_D"; |
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534 fname += gIR->dmodule->mangle(); |
323
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535 fname += "16__moduleinfoCtorZ"; |
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536 |
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537 // build a function that registers the moduleinfo in the global moduleinfo linked list |
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538 LLFunction* ctor = LLFunction::Create(fty, LLGlobalValue::InternalLinkage, fname, gIR->module); |
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539 |
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540 // provide the default initializer |
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541 const LLStructType* modulerefTy = DtoModuleReferenceType(); |
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542 std::vector<LLConstant*> mrefvalues; |
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543 mrefvalues.push_back(LLConstant::getNullValue(modulerefTy->getContainedType(0))); |
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544 mrefvalues.push_back(llvm::ConstantExpr::getBitCast(moduleinfo, modulerefTy->getContainedType(1))); |
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545 LLConstant* thismrefinit = LLConstantStruct::get(modulerefTy, mrefvalues); |
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546 |
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547 // create the ModuleReference node for this module |
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548 std::string thismrefname = "_D"; |
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549 thismrefname += gIR->dmodule->mangle(); |
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550 thismrefname += "11__moduleRefZ"; |
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551 LLGlobalVariable* thismref = new LLGlobalVariable(modulerefTy, false, LLGlobalValue::InternalLinkage, thismrefinit, thismrefname, gIR->module); |
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552 |
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553 // make sure _Dmodule_ref is declared |
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554 LLGlobalVariable* mref = gIR->module->getNamedGlobal("_Dmodule_ref"); |
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555 if (!mref) |
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556 mref = new LLGlobalVariable(getPtrToType(modulerefTy), false, LLGlobalValue::ExternalLinkage, NULL, "_Dmodule_ref", gIR->module); |
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557 |
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558 // make the function insert this moduleinfo as the beginning of the _Dmodule_ref linked list |
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559 llvm::BasicBlock* bb = llvm::BasicBlock::Create("moduleinfoCtorEntry", ctor); |
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560 IRBuilder<> builder(bb); |
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561 |
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562 // debug info |
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563 LLGlobalVariable* subprog; |
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564 if(global.params.symdebug) { |
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565 subprog = DtoDwarfSubProgramInternal(fname.c_str(), fname.c_str()); |
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566 builder.CreateCall(gIR->module->getFunction("llvm.dbg.func.start"), DBG_CAST(subprog)); |
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567 } |
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568 |
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569 // get current beginning |
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570 LLValue* curbeg = builder.CreateLoad(mref, "current"); |
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571 |
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572 // put current beginning as the next of this one |
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573 LLValue* gep = builder.CreateStructGEP(thismref, 0, "next"); |
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574 builder.CreateStore(curbeg, gep); |
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575 |
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576 // replace beginning |
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577 builder.CreateStore(thismref, mref); |
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578 |
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579 // debug info end |
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580 if(global.params.symdebug) |
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581 builder.CreateCall(gIR->module->getFunction("llvm.dbg.region.end"), DBG_CAST(subprog)); |
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582 |
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583 // return |
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584 builder.CreateRetVoid(); |
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585 |
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586 return ctor; |
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587 } |
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588 |
1 | 589 // Put out instance of ModuleInfo for this Module |
590 | |
591 void Module::genmoduleinfo() | |
592 { | |
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593 // The layout is: |
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594 // { |
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595 // char[] name; |
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596 // ModuleInfo[] importedModules; |
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597 // ClassInfo[] localClasses; |
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598 // uint flags; |
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599 // |
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600 // void function() ctor; |
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601 // void function() dtor; |
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602 // void function() unitTest; |
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603 // |
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604 // void* xgetMembers; |
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605 // void function() ictor; |
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606 // } |
89 | 607 |
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608 // resolve ModuleInfo |
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609 assert(moduleinfo); |
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610 DtoForceConstInitDsymbol(moduleinfo); |
89 | 611 |
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612 // check for patch |
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613 if (moduleinfo->fields.dim != 9) |
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614 { |
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615 error("unpatched object.d detected, ModuleInfo incorrect"); |
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616 fatal(); |
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617 } |
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618 |
116
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619 // moduleinfo llvm struct type |
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620 const llvm::StructType* moduleinfoTy = isaStruct(moduleinfo->type->ir.type->get()); |
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621 // classinfo llvm struct type |
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622 const llvm::StructType* classinfoTy = isaStruct(ClassDeclaration::classinfo->type->ir.type->get()); |
89 | 623 |
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624 // initializer vector |
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625 std::vector<LLConstant*> initVec; |
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626 LLConstant* c = 0; |
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627 |
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628 // vtable |
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629 c = moduleinfo->ir.irStruct->vtbl; |
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630 initVec.push_back(c); |
89 | 631 |
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632 // monitor |
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633 c = getNullPtr(getPtrToType(LLType::Int8Ty)); |
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634 initVec.push_back(c); |
89 | 635 |
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636 // name |
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637 char *name = toPrettyChars(); |
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638 c = DtoConstString(name); |
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639 initVec.push_back(c); |
89 | 640 |
641 // importedModules[] | |
642 int aimports_dim = aimports.dim; | |
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643 std::vector<LLConstant*> importInits; |
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644 for (size_t i = 0; i < aimports.dim; i++) |
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645 { |
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646 Module *m = (Module *)aimports.data[i]; |
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647 if (!m->needModuleInfo() || m == this) |
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648 continue; |
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649 |
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650 // declare the imported module info |
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651 std::string m_name("_D"); |
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652 m_name.append(m->mangle()); |
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653 m_name.append("8__ModuleZ"); |
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654 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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655 if (!m_gvar) m_gvar = new llvm::GlobalVariable(moduleinfoTy, false, llvm::GlobalValue::ExternalLinkage, NULL, m_name, gIR->module); |
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656 importInits.push_back(m_gvar); |
89 | 657 } |
116
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658 // has import array? |
133
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659 if (!importInits.empty()) |
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660 { |
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661 const llvm::ArrayType* importArrTy = llvm::ArrayType::get(getPtrToType(moduleinfoTy), importInits.size()); |
116
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662 c = llvm::ConstantArray::get(importArrTy, importInits); |
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663 std::string m_name("_D"); |
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664 m_name.append(mangle()); |
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665 m_name.append("9__importsZ"); |
163
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666 llvm::GlobalVariable* m_gvar = gIR->module->getGlobalVariable(m_name); |
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667 if (!m_gvar) m_gvar = new llvm::GlobalVariable(importArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
133
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668 c = llvm::ConstantExpr::getBitCast(m_gvar, getPtrToType(importArrTy->getElementType())); |
116
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669 c = DtoConstSlice(DtoConstSize_t(importInits.size()), c); |
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670 } |
89 | 671 else |
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672 c = DtoConstSlice( DtoConstSize_t(0), getNullValue(getPtrToType(moduleinfoTy)) ); |
116
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673 initVec.push_back(c); |
89 | 674 |
675 // localClasses[] | |
116
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676 ClassDeclarations aclasses; |
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677 //printf("members->dim = %d\n", members->dim); |
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678 for (size_t i = 0; i < members->dim; i++) |
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679 { |
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680 Dsymbol *member; |
89 | 681 |
116
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682 member = (Dsymbol *)members->data[i]; |
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683 //printf("\tmember '%s'\n", member->toChars()); |
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684 member->addLocalClass(&aclasses); |
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685 } |
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686 // fill inits |
213
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687 std::vector<LLConstant*> classInits; |
116
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688 for (size_t i = 0; i < aclasses.dim; i++) |
89 | 689 { |
116
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690 ClassDeclaration* cd = (ClassDeclaration*)aclasses.data[i]; |
133
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691 if (cd->isInterfaceDeclaration()) |
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692 { |
136
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693 Logger::println("skipping interface '%s' in moduleinfo", cd->toPrettyChars()); |
133
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694 continue; |
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695 } |
797
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696 else if (cd->sizeok != 1) |
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697 { |
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698 Logger::println("skipping opaque class declaration '%s' in moduleinfo", cd->toPrettyChars()); |
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699 continue; |
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700 } |
132 | 701 Logger::println("class: %s", cd->toPrettyChars()); |
173
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702 assert(cd->ir.irStruct->classInfo); |
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703 c = DtoBitCast(cd->ir.irStruct->classInfo, getPtrToType(classinfoTy)); |
797
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704 classInits.push_back(c); |
116
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705 } |
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706 // has class array? |
133
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707 if (!classInits.empty()) |
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708 { |
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709 const llvm::ArrayType* classArrTy = llvm::ArrayType::get(getPtrToType(classinfoTy), classInits.size()); |
116
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710 c = llvm::ConstantArray::get(classArrTy, classInits); |
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711 std::string m_name("_D"); |
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712 m_name.append(mangle()); |
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713 m_name.append("9__classesZ"); |
184 | 714 assert(gIR->module->getGlobalVariable(m_name) == NULL); |
116
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715 llvm::GlobalVariable* m_gvar = new llvm::GlobalVariable(classArrTy, true, llvm::GlobalValue::InternalLinkage, c, m_name, gIR->module); |
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716 c = DtoBitCast(m_gvar, getPtrToType(classinfoTy)); |
116
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717 c = DtoConstSlice(DtoConstSize_t(classInits.size()), c); |
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718 } |
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719 else |
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720 c = DtoConstSlice( DtoConstSize_t(0), getNullValue(getPtrToType(classinfoTy)) ); |
116
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721 initVec.push_back(c); |
89 | 722 |
116
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723 // flags |
132 | 724 c = DtoConstUint(0); |
725 if (!needmoduleinfo) | |
116
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726 c = DtoConstUint(4); // flags (4 means MIstandalone) |
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727 initVec.push_back(c); |
89 | 728 |
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729 // function pointer type for next three fields |
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730 const LLType* fnptrTy = getPtrToType(LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false)); |
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731 |
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732 // ctor |
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733 llvm::Function* fctor = build_module_ctor(); |
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734 c = fctor ? fctor : getNullValue(fnptrTy); |
116
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735 initVec.push_back(c); |
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736 |
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737 // dtor |
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738 llvm::Function* fdtor = build_module_dtor(); |
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739 c = fdtor ? fdtor : getNullValue(fnptrTy); |
116
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740 initVec.push_back(c); |
89 | 741 |
116
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742 // unitTest |
121
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743 llvm::Function* unittest = build_module_unittest(); |
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744 c = unittest ? unittest : getNullValue(fnptrTy); |
116
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745 initVec.push_back(c); |
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746 |
132 | 747 // xgetMembers |
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748 c = getNullValue(getVoidPtrType()); |
132 | 749 initVec.push_back(c); |
750 | |
751 // ictor | |
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752 c = getNullValue(fnptrTy); |
132 | 753 initVec.push_back(c); |
754 | |
755 /*Logger::println("MODULE INFO INITIALIZERS"); | |
756 for (size_t i=0; i<initVec.size(); ++i) | |
757 { | |
758 Logger::cout() << *initVec[i] << '\n'; | |
759 if (initVec[i]->getType() != moduleinfoTy->getElementType(i)) | |
760 assert(0); | |
761 }*/ | |
762 | |
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763 // create initializer |
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764 LLConstant* constMI = llvm::ConstantStruct::get(initVec); |
89 | 765 |
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766 // create name |
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767 std::string MIname("_D"); |
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768 MIname.append(mangle()); |
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769 MIname.append("8__ModuleZ"); |
89 | 770 |
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771 // declare global |
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772 // flags will be modified at runtime so can't make it constant |
184 | 773 |
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774 // it makes no sense that the our own module info already exists! |
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775 assert(!gIR->module->getGlobalVariable(MIname)); |
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776 llvm::GlobalVariable* gvar = new llvm::GlobalVariable(constMI->getType(), false, llvm::GlobalValue::ExternalLinkage, constMI, MIname, gIR->module); |
117 | 777 |
323
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778 // build the modulereference and ctor for registering it |
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779 LLFunction* mictor = build_module_reference_and_ctor(gvar); |
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780 |
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781 // register this ctor in the magic llvm.global_ctors appending array |
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782 const LLFunctionType* magicfty = LLFunctionType::get(LLType::VoidTy, std::vector<const LLType*>(), false); |
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783 std::vector<const LLType*> magictypes; |
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784 magictypes.push_back(LLType::Int32Ty); |
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785 magictypes.push_back(getPtrToType(magicfty)); |
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786 const LLStructType* magicsty = LLStructType::get(magictypes); |
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787 |
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788 // make the constant element |
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789 std::vector<LLConstant*> magicconstants; |
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790 magicconstants.push_back(DtoConstUint(65535)); |
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791 magicconstants.push_back(mictor); |
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792 LLConstant* magicinit = LLConstantStruct::get(magicsty, magicconstants); |
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793 |
117 | 794 // declare the appending array |
323
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795 const llvm::ArrayType* appendArrTy = llvm::ArrayType::get(magicsty, 1); |
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796 std::vector<LLConstant*> appendInits(1, magicinit); |
213
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797 LLConstant* appendInit = llvm::ConstantArray::get(appendArrTy, appendInits); |
323
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798 std::string appendName("llvm.global_ctors"); |
117 | 799 llvm::GlobalVariable* appendVar = new llvm::GlobalVariable(appendArrTy, true, llvm::GlobalValue::AppendingLinkage, appendInit, appendName, gIR->module); |
1 | 800 } |
801 | |
802 /* ================================================================== */ | |
803 | |
336 | 804 void Dsymbol::toObjFile(int multiobj) |
1 | 805 { |
38
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806 Logger::println("Ignoring Dsymbol::toObjFile for %s", toChars()); |
1 | 807 } |
808 | |
809 /* ================================================================== */ | |
810 | |
751
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811 void Declaration::toObjFile(int unused) |
1 | 812 { |
38
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813 Logger::println("Ignoring Declaration::toObjFile for %s", toChars()); |
1 | 814 } |
815 | |
816 /* ================================================================== */ | |
817 | |
336 | 818 void InterfaceDeclaration::toObjFile(int multiobj) |
1 | 819 { |
133
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820 //Logger::println("Ignoring InterfaceDeclaration::toObjFile for %s", toChars()); |
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821 gIR->resolveList.push_back(this); |
1 | 822 } |
823 | |
824 /* ================================================================== */ | |
825 | |
336 | 826 void StructDeclaration::toObjFile(int multiobj) |
1 | 827 { |
102
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828 gIR->resolveList.push_back(this); |
1 | 829 } |
830 | |
831 /* ================================================================== */ | |
832 | |
336 | 833 void ClassDeclaration::toObjFile(int multiobj) |
1 | 834 { |
102
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835 gIR->resolveList.push_back(this); |
1 | 836 } |
837 | |
838 /****************************************** | |
839 * Get offset of base class's vtbl[] initializer from start of csym. | |
840 * Returns ~0 if not this csym. | |
841 */ | |
842 | |
843 unsigned ClassDeclaration::baseVtblOffset(BaseClass *bc) | |
844 { | |
845 return ~0; | |
846 } | |
847 | |
848 /* ================================================================== */ | |
849 | |
732
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850 void TupleDeclaration::toObjFile(int multiobj) |
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851 { |
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852 Logger::println("TupleDeclaration::toObjFile(): %s", toChars()); |
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853 |
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854 assert(isexp); |
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855 assert(objects); |
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856 |
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857 int n = objects->dim; |
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858 |
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859 for (int i=0; i < n; ++i) |
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860 { |
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861 DsymbolExp* exp = (DsymbolExp*)objects->data[i]; |
733
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Nested access to with statement should work now. fixes #105
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862 assert(exp->op == TOKdsymbol); |
732
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863 exp->s->toObjFile(multiobj); |
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864 } |
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865 } |
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866 |
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867 /* ================================================================== */ |
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868 |
336 | 869 void VarDeclaration::toObjFile(int multiobj) |
1 | 870 { |
40 | 871 Logger::print("VarDeclaration::toObjFile(): %s | %s\n", toChars(), type->toChars()); |
1 | 872 LOG_SCOPE; |
873 | |
85
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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|
874 if (aliassym) |
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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|
875 { |
88
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diff
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|
876 Logger::println("alias sym"); |
336 | 877 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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878 return; |
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
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879 } |
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
lindquist
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diff
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|
880 |
1 | 881 // global variable or magic |
85
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[svn r89] Fixed a bunch of problems with template instance across multiple modules.
lindquist
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diff
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|
882 if (isDataseg()) |
1 | 883 { |
511
a0b0676e787d
Fixed problem when instantiating a template with private global variables.
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diff
changeset
|
884 Logger::println("data segment"); |
a0b0676e787d
Fixed problem when instantiating a template with private global variables.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
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499
diff
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|
885 |
766
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D2: Fixed global constants not initialized until module constructor.
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886 #if DMDV2 |
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D2: Fixed global constants not initialized until module constructor.
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887 if (storage_class & STCmanifest) |
af04bbae8553
D2: Fixed global constants not initialized until module constructor.
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888 { |
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D2: Fixed global constants not initialized until module constructor.
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changeset
|
889 assert(0 && "manifest constant being codegened!!!"); |
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|
890 } |
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891 #endif |
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D2: Fixed global constants not initialized until module constructor.
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892 |
132 | 893 // don't duplicate work |
173
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[svn r189] moving IR data back into DMD frontend nodes
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894 if (this->ir.resolved) return; |
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[svn r189] moving IR data back into DMD frontend nodes
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895 this->ir.resolved = true; |
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[svn r189] moving IR data back into DMD frontend nodes
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896 this->ir.declared = true; |
40 | 897 |
173
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898 this->ir.irGlobal = new IrGlobal(this); |
100 | 899 |
900 Logger::println("parent: %s (%s)", parent->toChars(), parent->kind()); | |
901 | |
149
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[svn r155] Fixed a bunch of linkage problems (especially with templates)
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902 // handle static local variables |
100 | 903 bool static_local = false; |
766
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904 #if DMDV2 |
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905 // not sure why this is only needed for d2 |
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906 bool _isconst = isConst() && init; |
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907 #else |
149
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908 bool _isconst = isConst(); |
766
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909 #endif |
797
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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|
910 Dsymbol* par = toParent2(); |
340acf1535d0
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911 if (par && par->isFuncDeclaration()) |
149
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912 { |
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|
913 static_local = true; |
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914 if (init && init->isExpInitializer()) { |
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915 _isconst = false; |
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916 } |
85
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|
917 } |
149
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918 |
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|
919 Logger::println("Creating global variable"); |
26
99737f94abfb
[svn r30] * Fixed static function-local variables.
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24
diff
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|
920 |
213
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[svn r229] Updated the object.d implementation to the latest Tango.
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921 const LLType* _type = this->ir.irGlobal->type.get(); |
149
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922 llvm::GlobalValue::LinkageTypes _linkage = DtoLinkage(this); |
21
8d45266bbabe
[svn r25] * Fixed a lot of problems with string literals
lindquist
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diff
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|
923 std::string _name(mangle()); |
52 | 924 |
100 | 925 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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926 this->ir.irGlobal->value = gvar; |
88
058d3925950e
[svn r92] Fixed support for statically initialized unions. lots of bugfixes as cleanups too.
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diff
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|
927 |
622
26fce59fe80a
Wrapped all the most potentially expensive logging calls in a conditional to only do work when actually requested.
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diff
changeset
|
928 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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|
929 Logger::cout() << *gvar << '\n'; |
163
a8cd9bc1021a
[svn r179] lots and lots of fixes, much more of tango now compiles/works.
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|
930 |
100 | 931 if (static_local) |
932 DtoConstInitGlobal(this); | |
933 else | |
102
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[svn r106] Turns out the last commit wasn't enough, now the D->LLVM process is even more split up.
lindquist
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100
diff
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|
934 gIR->constInitList.push_back(this); |
1 | 935 } |
936 else | |
937 { | |
797
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changeset
|
938 // 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.
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|
939 if (!ir.irField) |
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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parents:
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940 { |
797
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|
941 assert(!ir.isSet()); |
340acf1535d0
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|
942 ir.irField = new IrField(this); |
758
f04dde6e882c
Added initial D2 support, D2 frontend and changes to codegen to make things compile.
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parents:
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diff
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|
943 } |
797
340acf1535d0
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|
944 IrStruct* irstruct = gIR->topstruct(); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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|
945 irstruct->addVar(this); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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|
946 |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
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|
947 Logger::println("added offset %u", offset); |
1 | 948 } |
949 } | |
950 | |
951 /* ================================================================== */ | |
952 | |
336 | 953 void TypedefDeclaration::toObjFile(int multiobj) |
1 | 954 { |
955 static int tdi = 0; | |
956 Logger::print("TypedefDeclaration::toObjFile(%d): %s\n", tdi++, toChars()); | |
957 LOG_SCOPE; | |
958 | |
52 | 959 // generate typeinfo |
275
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[svn r296] Removed: the 'suite' dir, it never took off!
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|
960 DtoTypeInfoOf(type, false); |
1 | 961 } |
962 | |
963 /* ================================================================== */ | |
964 | |
336 | 965 void EnumDeclaration::toObjFile(int multiobj) |
1 | 966 { |
38
27b2f40bdb58
[svn r42] Disabled the extensive logging by default. Use the -vv flag to get it back.
lindquist
parents:
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diff
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|
967 Logger::println("Ignoring EnumDeclaration::toObjFile for %s", toChars()); |
1 | 968 } |
969 | |
970 /* ================================================================== */ | |
971 | |
336 | 972 void FuncDeclaration::toObjFile(int multiobj) |
1 | 973 { |
102
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|
974 gIR->resolveList.push_back(this); |
1 | 975 } |
797
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|
976 |
340acf1535d0
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|
977 /* ================================================================== */ |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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978 |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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979 void AnonDeclaration::toObjFile(int multiobj) |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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980 { |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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981 Array *d = include(NULL, NULL); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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982 |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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983 if (d) |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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984 { |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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985 // get real aggregate parent |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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986 IrStruct* irstruct = gIR->topstruct(); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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987 |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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988 // push a block on the stack |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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989 irstruct->pushAnon(isunion); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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990 |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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991 // go over children |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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992 for (unsigned i = 0; i < d->dim; i++) |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
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993 { Dsymbol *s = (Dsymbol *)d->data[i]; |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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994 s->toObjFile(multiobj); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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995 } |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
766
diff
changeset
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996 |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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997 // finish |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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998 irstruct->popAnon(); |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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diff
changeset
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999 } |
340acf1535d0
Removed KDevelop3 project files, CMake can generate them just fine!
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
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1000 } |