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1 //===- subzero/src/IceGlobalContext.cpp - Global context defs -------------===// | 1 //===- subzero/src/IceGlobalContext.cpp - Global context defs -------------===// |
2 // | 2 // |
3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
4 // | 4 // |
5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
7 // | 7 // |
8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
9 // | 9 // |
10 // This file defines aspects of the compilation that persist across | 10 // This file defines aspects of the compilation that persist across |
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125 Str << "\n"; | 125 Str << "\n"; |
126 } | 126 } |
127 | 127 |
128 GlobalContext::GlobalContext(Ostream *OsDump, Ostream *OsEmit, | 128 GlobalContext::GlobalContext(Ostream *OsDump, Ostream *OsEmit, |
129 ELFStreamer *ELFStr, VerboseMask Mask, | 129 ELFStreamer *ELFStr, VerboseMask Mask, |
130 TargetArch Arch, OptLevel Opt, | 130 TargetArch Arch, OptLevel Opt, |
131 IceString TestPrefix, const ClFlags &Flags) | 131 IceString TestPrefix, const ClFlags &Flags) |
132 : StrDump(OsDump), StrEmit(OsEmit), VMask(Mask), | 132 : StrDump(OsDump), StrEmit(OsEmit), VMask(Mask), |
133 ConstPool(new ConstantPool()), Arch(Arch), Opt(Opt), | 133 ConstPool(new ConstantPool()), Arch(Arch), Opt(Opt), |
134 TestPrefix(TestPrefix), Flags(Flags), RNG(""), ObjectWriter() { | 134 TestPrefix(TestPrefix), Flags(Flags), RNG(""), ObjectWriter() { |
| 135 // Make sure thread_local fields are properly initialized before any |
| 136 // accesses are made. Do this here instead of at the start of |
| 137 // main() so that all clients (e.g. unit tests) can benefit for |
| 138 // free. |
| 139 GlobalContext::TlsInit(); |
| 140 Cfg::TlsInit(); |
| 141 |
135 // Create a new ThreadContext for the current thread. No need to | 142 // Create a new ThreadContext for the current thread. No need to |
136 // lock AllThreadContexts at this point since no other threads have | 143 // lock AllThreadContexts at this point since no other threads have |
137 // access yet to this GlobalContext object. | 144 // access yet to this GlobalContext object. |
138 AllThreadContexts.push_back(new ThreadContext()); | 145 AllThreadContexts.push_back(new ThreadContext()); |
139 TLS = AllThreadContexts.back(); | 146 ICE_TLS_SET_FIELD(TLS, AllThreadContexts.back()); |
140 // Pre-register built-in stack names. | 147 // Pre-register built-in stack names. |
141 if (ALLOW_DUMP) { | 148 if (ALLOW_DUMP) { |
142 // TODO(stichnot): There needs to be a strong relationship between | 149 // TODO(stichnot): There needs to be a strong relationship between |
143 // the newTimerStackID() return values and TSK_Default/TSK_Funcs. | 150 // the newTimerStackID() return values and TSK_Default/TSK_Funcs. |
144 newTimerStackID("Total across all functions"); | 151 newTimerStackID("Total across all functions"); |
145 newTimerStackID("Per-function summary"); | 152 newTimerStackID("Per-function summary"); |
146 } | 153 } |
147 if (Flags.UseELFWriter) { | 154 if (Flags.UseELFWriter) { |
148 ObjectWriter.reset(new ELFObjectWriter(*this, *ELFStr)); | 155 ObjectWriter.reset(new ELFObjectWriter(*this, *ELFStr)); |
149 } | 156 } |
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488 Timers->at(StackID).setName(NewName); | 495 Timers->at(StackID).setName(NewName); |
489 } | 496 } |
490 | 497 |
491 void GlobalContext::dumpStats(const IceString &Name, bool Final) { | 498 void GlobalContext::dumpStats(const IceString &Name, bool Final) { |
492 if (!ALLOW_DUMP || !getFlags().DumpStats) | 499 if (!ALLOW_DUMP || !getFlags().DumpStats) |
493 return; | 500 return; |
494 OstreamLocker OL(this); | 501 OstreamLocker OL(this); |
495 if (Final) { | 502 if (Final) { |
496 getStatsCumulative()->dump(Name, getStrDump()); | 503 getStatsCumulative()->dump(Name, getStrDump()); |
497 } else { | 504 } else { |
498 TLS->StatsFunction.dump(Name, getStrDump()); | 505 ICE_TLS_GET_FIELD(TLS)->StatsFunction.dump(Name, getStrDump()); |
499 getStatsCumulative()->dump("_TOTAL_", getStrDump()); | 506 getStatsCumulative()->dump("_TOTAL_", getStrDump()); |
500 } | 507 } |
501 } | 508 } |
502 | 509 |
503 void GlobalContext::dumpTimers(TimerStackIdT StackID, bool DumpCumulative) { | 510 void GlobalContext::dumpTimers(TimerStackIdT StackID, bool DumpCumulative) { |
504 if (!ALLOW_DUMP) | 511 if (!ALLOW_DUMP) |
505 return; | 512 return; |
506 auto Timers = getTimers(); | 513 auto Timers = getTimers(); |
507 assert(Timers->size() > StackID); | 514 assert(Timers->size() > StackID); |
508 OstreamLocker L(this); | 515 OstreamLocker L(this); |
509 Timers->at(StackID).dump(getStrDump(), DumpCumulative); | 516 Timers->at(StackID).dump(getStrDump(), DumpCumulative); |
510 } | 517 } |
511 | 518 |
512 TimerMarker::TimerMarker(TimerIdT ID, const Cfg *Func) | 519 TimerMarker::TimerMarker(TimerIdT ID, const Cfg *Func) |
513 : ID(ID), Ctx(Func->getContext()), Active(false) { | 520 : ID(ID), Ctx(Func->getContext()), Active(false) { |
514 if (ALLOW_DUMP) { | 521 if (ALLOW_DUMP) { |
515 Active = Func->getFocusedTiming() || Ctx->getFlags().SubzeroTimingEnabled; | 522 Active = Func->getFocusedTiming() || Ctx->getFlags().SubzeroTimingEnabled; |
516 if (Active) | 523 if (Active) |
517 Ctx->pushTimer(ID); | 524 Ctx->pushTimer(ID); |
518 } | 525 } |
519 } | 526 } |
520 | 527 |
521 ICE_ATTRIBUTE_TLS GlobalContext::ThreadContext *GlobalContext::TLS; | 528 ICE_TLS_DEFINE_FIELD(GlobalContext::ThreadContext *, GlobalContext, TLS); |
522 | 529 |
523 } // end of namespace Ice | 530 } // end of namespace Ice |
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