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Side by Side Diff: src/IceGlobalContext.cpp

Issue 1900543002: Subzero: Allow per-method controls. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: More cleanup Created 4 years, 8 months ago
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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 /// \file 10 /// \file
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360 } 360 }
361 361
362 void GlobalContext::translateFunctions() { 362 void GlobalContext::translateFunctions() {
363 TimerMarker Timer(TimerStack::TT_translateFunctions, this); 363 TimerMarker Timer(TimerStack::TT_translateFunctions, this);
364 while (std::unique_ptr<OptWorkItem> OptItem = optQueueBlockingPop()) { 364 while (std::unique_ptr<OptWorkItem> OptItem = optQueueBlockingPop()) {
365 auto Func = OptItem->getParsedCfg(); 365 auto Func = OptItem->getParsedCfg();
366 // Install Func in TLS for Cfg-specific container allocators. 366 // Install Func in TLS for Cfg-specific container allocators.
367 CfgLocalAllocatorScope _(Func.get()); 367 CfgLocalAllocatorScope _(Func.get());
368 // Reset per-function stats being accumulated in TLS. 368 // Reset per-function stats being accumulated in TLS.
369 resetStats(); 369 resetStats();
370 // Set verbose level to none if the current function does NOT 370 // Set verbose level to none if the current function does NOT match the
371 // match the -verbose-focus command-line option. 371 // -verbose-focus command-line option.
372 if (!matchSymbolName(Func->getFunctionName(), 372 if (!getFlags().matchVerboseFocusOn(Func->getFunctionName(),
373 getFlags().getVerboseFocusOn())) 373 Func->getSequenceNumber()))
374 Func->setVerbose(IceV_None); 374 Func->setVerbose(IceV_None);
375 // Disable translation if -notranslate is specified, or if the 375 // Disable translation if -notranslate is specified, or if the current
376 // current function matches the -translate-only option. If 376 // function matches the -translate-only option. If translation is disabled,
377 // translation is disabled, just dump the high-level IR and 377 // just dump the high-level IR and continue.
378 // continue.
379 if (getFlags().getDisableTranslation() || 378 if (getFlags().getDisableTranslation() ||
380 !matchSymbolName(Func->getFunctionName(), 379 !getFlags().matchTranslateOnly(Func->getFunctionName(),
381 getFlags().getTranslateOnly())) { 380 Func->getSequenceNumber())) {
382 Func->dump(); 381 Func->dump();
383 continue; // Func goes out of scope and gets deleted 382 continue; // Func goes out of scope and gets deleted
384 } 383 }
385 384
386 Func->translate(); 385 Func->translate();
387 std::unique_ptr<EmitterWorkItem> Item; 386 std::unique_ptr<EmitterWorkItem> Item;
388 if (Func->hasError()) { 387 if (Func->hasError()) {
389 getErrorStatus()->assign(EC_Translation); 388 getErrorStatus()->assign(EC_Translation);
390 OstreamLocker L(this); 389 OstreamLocker L(this);
391 getStrError() << "ICE translation error: " << Func->getFunctionName() 390 getStrError() << "ICE translation error: " << Func->getFunctionName()
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460 if (Cfg::isProfileGlobal(*Global)) { 459 if (Cfg::isProfileGlobal(*Global)) {
461 ProfileBlockInfos.push_back(Global); 460 ProfileBlockInfos.push_back(Global);
462 } 461 }
463 } 462 }
464 } 463 }
465 464
466 void GlobalContext::lowerGlobals(const std::string &SectionSuffix) { 465 void GlobalContext::lowerGlobals(const std::string &SectionSuffix) {
467 TimerMarker T(TimerStack::TT_emitGlobalInitializers, this); 466 TimerMarker T(TimerStack::TT_emitGlobalInitializers, this);
468 const bool DumpGlobalVariables = 467 const bool DumpGlobalVariables =
469 BuildDefs::dump() && (getFlags().getVerbose() & IceV_GlobalInit) && 468 BuildDefs::dump() && (getFlags().getVerbose() & IceV_GlobalInit) &&
470 getFlags().getVerboseFocusOn().empty(); 469 getFlags().matchVerboseFocusOn("", 0);
471 if (DumpGlobalVariables) { 470 if (DumpGlobalVariables) {
472 OstreamLocker L(this); 471 OstreamLocker L(this);
473 Ostream &Stream = getStrDump(); 472 Ostream &Stream = getStrDump();
474 for (const Ice::VariableDeclaration *Global : Globals) { 473 for (const Ice::VariableDeclaration *Global : Globals) {
475 Global->dump(Stream); 474 Global->dump(Stream);
476 } 475 }
477 } 476 }
478 if (getFlags().getDisableTranslation()) 477 if (getFlags().getDisableTranslation())
479 return; 478 return;
480 479
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525 // architectures this will waste 4 bytes. 524 // architectures this will waste 4 bytes.
526 const SizeT Sizeof64BitNullPtr = typeWidthInBytes(IceType_i64); 525 const SizeT Sizeof64BitNullPtr = typeWidthInBytes(IceType_i64);
527 ProfileBlockInfoVarDecl->addInitializer( 526 ProfileBlockInfoVarDecl->addInitializer(
528 VariableDeclaration::ZeroInitializer::create(GlobalVariablePool.get(), 527 VariableDeclaration::ZeroInitializer::create(GlobalVariablePool.get(),
529 Sizeof64BitNullPtr)); 528 Sizeof64BitNullPtr));
530 Globals.push_back(ProfileBlockInfoVarDecl); 529 Globals.push_back(ProfileBlockInfoVarDecl);
531 constexpr char ProfileDataSection[] = "$sz_profiler$"; 530 constexpr char ProfileDataSection[] = "$sz_profiler$";
532 lowerGlobals(ProfileDataSection); 531 lowerGlobals(ProfileDataSection);
533 } 532 }
534 533
535 bool GlobalContext::matchSymbolName(const GlobalString &SymbolName,
536 const std::string &Match) {
537 return Match.empty() || Match == SymbolName.toString();
538 }
539
540 void GlobalContext::emitItems() { 534 void GlobalContext::emitItems() {
541 const bool Threaded = !getFlags().isSequential(); 535 const bool Threaded = !getFlags().isSequential();
542 // Pending is a vector containing the reassembled, ordered list of 536 // Pending is a vector containing the reassembled, ordered list of
543 // work items. When we're ready for the next item, we first check 537 // work items. When we're ready for the next item, we first check
544 // whether it's in the Pending list. If not, we take an item from 538 // whether it's in the Pending list. If not, we take an item from
545 // the work queue, and if it's not the item we're waiting for, we 539 // the work queue, and if it's not the item we're waiting for, we
546 // insert it into Pending and repeat. The work item is deleted 540 // insert it into Pending and repeat. The work item is deleted
547 // after it is processed. 541 // after it is processed.
548 std::vector<std::unique_ptr<EmitterWorkItem>> Pending; 542 std::vector<std::unique_ptr<EmitterWorkItem>> Pending;
549 uint32_t DesiredSequenceNumber = getFirstSequenceNumber(); 543 uint32_t DesiredSequenceNumber = getFirstSequenceNumber();
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683 OstreamLocker _(this); 677 OstreamLocker _(this);
684 Ostream &Str = getStrDump(); 678 Ostream &Str = getStrDump();
685 Str << "GlobalContext strings:\n"; 679 Str << "GlobalContext strings:\n";
686 getStrings()->dump(Str); 680 getStrings()->dump(Str);
687 } 681 }
688 682
689 void GlobalContext::dumpConstantLookupCounts() { 683 void GlobalContext::dumpConstantLookupCounts() {
690 if (!BuildDefs::dump()) 684 if (!BuildDefs::dump())
691 return; 685 return;
692 const bool DumpCounts = (getFlags().getVerbose() & IceV_ConstPoolStats) && 686 const bool DumpCounts = (getFlags().getVerbose() & IceV_ConstPoolStats) &&
693 getFlags().getVerboseFocusOn().empty(); 687 getFlags().matchVerboseFocusOn("", 0);
694 if (!DumpCounts) 688 if (!DumpCounts)
695 return; 689 return;
696 690
697 OstreamLocker _(this); 691 OstreamLocker _(this);
698 Ostream &Str = getStrDump(); 692 Ostream &Str = getStrDump();
699 Str << "Constant pool use stats: count+value+type\n"; 693 Str << "Constant pool use stats: count+value+type\n";
700 #define X(WhichPool) \ 694 #define X(WhichPool) \
701 for (auto *C : getConstPool()->WhichPool.getConstantPool()) { \ 695 for (auto *C : getConstPool()->WhichPool.getConstantPool()) { \
702 Str << C->getLookupCount() << " "; \ 696 Str << C->getLookupCount() << " "; \
703 C->dump(Str); \ 697 C->dump(Str); \
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1017 return 0; 1011 return 0;
1018 if (!getFlags().getTimeEachFunction()) 1012 if (!getFlags().getTimeEachFunction())
1019 return 0; 1013 return 0;
1020 return Ctx->getTimerID(GlobalContext::TSK_Funcs, FuncName); 1014 return Ctx->getTimerID(GlobalContext::TSK_Funcs, FuncName);
1021 } 1015 }
1022 1016
1023 void TimerMarker::push() { 1017 void TimerMarker::push() {
1024 switch (StackID) { 1018 switch (StackID) {
1025 case GlobalContext::TSK_Default: 1019 case GlobalContext::TSK_Default:
1026 Active = getFlags().getSubzeroTimingEnabled() || 1020 Active = getFlags().getSubzeroTimingEnabled() ||
1027 !getFlags().getTimingFocusOn().empty(); 1021 !getFlags().getTimingFocusOnString().empty();
1028 break; 1022 break;
1029 case GlobalContext::TSK_Funcs: 1023 case GlobalContext::TSK_Funcs:
1030 Active = getFlags().getTimeEachFunction(); 1024 Active = getFlags().getTimeEachFunction();
1031 break; 1025 break;
1032 default: 1026 default:
1033 break; 1027 break;
1034 } 1028 }
1035 if (Active) 1029 if (Active)
1036 Ctx->pushTimer(ID, StackID); 1030 Ctx->pushTimer(ID, StackID);
1037 } 1031 }
1038 1032
1039 void TimerMarker::pushCfg(const Cfg *Func) { 1033 void TimerMarker::pushCfg(const Cfg *Func) {
1040 Ctx = Func->getContext(); 1034 Ctx = Func->getContext();
1041 Active = Func->getFocusedTiming() || getFlags().getSubzeroTimingEnabled(); 1035 Active = Func->getFocusedTiming() || getFlags().getSubzeroTimingEnabled();
1042 if (Active) 1036 if (Active)
1043 Ctx->pushTimer(ID, StackID); 1037 Ctx->pushTimer(ID, StackID);
1044 } 1038 }
1045 1039
1046 ICE_TLS_DEFINE_FIELD(GlobalContext::ThreadContext *, GlobalContext, TLS); 1040 ICE_TLS_DEFINE_FIELD(GlobalContext::ThreadContext *, GlobalContext, TLS);
1047 1041
1048 } // end of namespace Ice 1042 } // end of namespace Ice
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