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lib/Analysis/ModuleSummaryAnalysis.cpp
| Show First 20 Lines • Show All 69 Lines • ▼ Show 20 Lines | cl::values(clEnumValN(FunctionSummary::FSHT_None, "none", "None."), | ||||
| "all-non-critical", "All non-critical edges."), | "all-non-critical", "All non-critical edges."), | ||||
| clEnumValN(FunctionSummary::FSHT_All, "all", "All edges."))); | clEnumValN(FunctionSummary::FSHT_All, "all", "All edges."))); | ||||
| cl::opt<std::string> ModuleSummaryDotFile( | cl::opt<std::string> ModuleSummaryDotFile( | ||||
| "module-summary-dot-file", cl::init(""), cl::Hidden, | "module-summary-dot-file", cl::init(""), cl::Hidden, | ||||
| cl::value_desc("filename"), | cl::value_desc("filename"), | ||||
| cl::desc("File to emit dot graph of new summary into.")); | cl::desc("File to emit dot graph of new summary into.")); | ||||
| extern cl::opt<bool> FlattenedProfileUsed; | |||||
| // Walk through the operands of a given User via worklist iteration and populate | // Walk through the operands of a given User via worklist iteration and populate | ||||
| // the set of GlobalValue references encountered. Invoked either on an | // the set of GlobalValue references encountered. Invoked either on an | ||||
| // Instruction or a GlobalVariable (which walks its initializer). | // Instruction or a GlobalVariable (which walks its initializer). | ||||
| // Return true if any of the operands contains blockaddress. This is important | // Return true if any of the operands contains blockaddress. This is important | ||||
| // to know when computing summary for global var, because if global variable | // to know when computing summary for global var, because if global variable | ||||
| // references basic block address we can't import it separately from function | // references basic block address we can't import it separately from function | ||||
| // containing that basic block. For simplicity we currently don't import such | // containing that basic block. For simplicity we currently don't import such | ||||
| // global vars at all. When importing function we aren't interested if any | // global vars at all. When importing function we aren't interested if any | ||||
| ▲ Show 20 Lines • Show All 374 Lines • ▼ Show 20 Lines | ModuleSummaryIndex llvm::buildModuleSummaryIndex( | ||||
| const Module &M, | const Module &M, | ||||
| std::function<BlockFrequencyInfo *(const Function &F)> GetBFICallback, | std::function<BlockFrequencyInfo *(const Function &F)> GetBFICallback, | ||||
| ProfileSummaryInfo *PSI) { | ProfileSummaryInfo *PSI) { | ||||
| assert(PSI); | assert(PSI); | ||||
| bool EnableSplitLTOUnit = false; | bool EnableSplitLTOUnit = false; | ||||
| if (auto *MD = mdconst::extract_or_null<ConstantInt>( | if (auto *MD = mdconst::extract_or_null<ConstantInt>( | ||||
| M.getModuleFlag("EnableSplitLTOUnit"))) | M.getModuleFlag("EnableSplitLTOUnit"))) | ||||
| EnableSplitLTOUnit = MD->getZExtValue(); | EnableSplitLTOUnit = MD->getZExtValue(); | ||||
| ModuleSummaryIndex Index(/*HaveGVs=*/true, EnableSplitLTOUnit); | ModuleSummaryIndex Index(/*HaveGVs=*/true, EnableSplitLTOUnit, | ||||
| FlattenedProfileUsed); | |||||
| // Identify the local values in the llvm.used and llvm.compiler.used sets, | // Identify the local values in the llvm.used and llvm.compiler.used sets, | ||||
| // which should not be exported as they would then require renaming and | // which should not be exported as they would then require renaming and | ||||
| // promotion, but we may have opaque uses e.g. in inline asm. We collect them | // promotion, but we may have opaque uses e.g. in inline asm. We collect them | ||||
| // here because we use this information to mark functions containing inline | // here because we use this information to mark functions containing inline | ||||
| // assembly calls as not importable. | // assembly calls as not importable. | ||||
| SmallPtrSet<GlobalValue *, 8> LocalsUsed; | SmallPtrSet<GlobalValue *, 8> LocalsUsed; | ||||
| SmallPtrSet<GlobalValue *, 8> Used; | SmallPtrSet<GlobalValue *, 8> Used; | ||||
| ▲ Show 20 Lines • Show All 224 Lines • Show Last 20 Lines | |||||