#include "llvm/Transforms/IPO/StripSymbols.h"#include "llvm/ADT/SmallPtrSet.h"#include "llvm/IR/Constants.h"#include "llvm/IR/DebugInfo.h"#include "llvm/IR/DerivedTypes.h"#include "llvm/IR/InstIterator.h"#include "llvm/IR/Instructions.h"#include "llvm/IR/Module.h"#include "llvm/IR/PassManager.h"#include "llvm/IR/TypeFinder.h"#include "llvm/IR/ValueSymbolTable.h"#include "llvm/InitializePasses.h"#include "llvm/Pass.h"#include "llvm/Transforms/IPO.h"#include "llvm/Transforms/Utils/Local.h"
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Functions | |
| INITIALIZE_PASS (StripSymbols, "strip", "Strip all symbols from a module", false, false) ModulePass *llvm | |
| INITIALIZE_PASS (StripNonDebugSymbols, "strip-nondebug", "Strip all symbols, except dbg symbols, from a module", false, false) ModulePass *llvm | |
| INITIALIZE_PASS (StripDebugDeclare, "strip-debug-declare", "Strip all llvm.dbg.declare intrinsics", false, false) ModulePass *llvm | |
| INITIALIZE_PASS (StripDeadDebugInfo, "strip-dead-debug-info", "Strip debug info for unused symbols", false, false) ModulePass *llvm | |
| static bool | OnlyUsedBy (Value *V, Value *Usr) |
| OnlyUsedBy - Return true if V is only used by Usr. More... | |
| static void | RemoveDeadConstant (Constant *C) |
| static void | StripSymtab (ValueSymbolTable &ST, bool PreserveDbgInfo) |
| static void | StripTypeNames (Module &M, bool PreserveDbgInfo) |
| static void | findUsedValues (GlobalVariable *LLVMUsed, SmallPtrSetImpl< const GlobalValue * > &UsedValues) |
| Find values that are marked as llvm.used. More... | |
| static bool | StripSymbolNames (Module &M, bool PreserveDbgInfo) |
| StripSymbolNames - Strip symbol names. More... | |
| static bool | stripDebugDeclareImpl (Module &M) |
| static void | collectCUsWithScope (const DIScope *Scope, std::set< DICompileUnit * > &LiveCUs, SmallPtrSet< const DIScope *, 8 > &VisitedScopes) |
| Collects compilation units referenced by functions or lexical scopes. More... | |
| static void | collectCUsForInlinedFuncs (const DILocation *Loc, std::set< DICompileUnit * > &LiveCUs, SmallPtrSet< const DIScope *, 8 > &VisitedScopes) |
| static bool | stripDeadDebugInfoImpl (Module &M) |
Function Documentation
◆ collectCUsForInlinedFuncs()
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Definition at line 327 of file StripSymbols.cpp.
References collectCUsWithScope().
Referenced by stripDeadDebugInfoImpl().
◆ collectCUsWithScope()
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Collects compilation units referenced by functions or lexical scopes.
Accepts any DIScope and uses recursive bottom-up approach to reach either DISubprogram or DILexicalBlockBase.
Definition at line 302 of file StripSymbols.cpp.
References llvm::DILocalScope::getSubprogram(), and llvm::SmallPtrSetImpl< PtrType >::insert().
Referenced by collectCUsForInlinedFuncs(), and stripDeadDebugInfoImpl().
◆ findUsedValues()
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Find values that are marked as llvm.used.
Definition at line 196 of file StripSymbols.cpp.
References llvm::numbers::e, llvm::GlobalVariable::getInitializer(), llvm::User::getNumOperands(), llvm::User::getOperand(), i, llvm::SmallPtrSetImpl< PtrType >::insert(), and llvm::Value::stripPointerCasts().
Referenced by StripSymbolNames().
◆ INITIALIZE_PASS() [1/4]
| INITIALIZE_PASS | ( | StripDeadDebugInfo | , |
| "strip-dead-debug-info" | , | ||
| "Strip debug info for unused symbols" | , | ||
| false | , | ||
| false | |||
| ) |
Definition at line 129 of file StripSymbols.cpp.
◆ INITIALIZE_PASS() [2/4]
| INITIALIZE_PASS | ( | StripDebugDeclare | , |
| "strip-debug-declare" | , | ||
| "Strip all llvm.dbg.declare intrinsics" | , | ||
| false | , | ||
| false | |||
| ) |
Definition at line 121 of file StripSymbols.cpp.
◆ INITIALIZE_PASS() [3/4]
| INITIALIZE_PASS | ( | StripNonDebugSymbols | , |
| "strip-nondebug" | , | ||
| "Strip all | symbols, | ||
| except dbg | symbols, | ||
| from a module" | , | ||
| false | , | ||
| false | |||
| ) |
Definition at line 112 of file StripSymbols.cpp.
◆ INITIALIZE_PASS() [4/4]
Definition at line 104 of file StripSymbols.cpp.
◆ OnlyUsedBy()
OnlyUsedBy - Return true if V is only used by Usr.
Definition at line 137 of file StripSymbols.cpp.
References llvm::Value::users().
Referenced by RemoveDeadConstant().
◆ RemoveDeadConstant()
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Definition at line 145 of file StripSymbols.cpp.
References assert(), llvm::RISCVFenceField::O, OnlyUsedBy(), and Operands.
Referenced by stripDebugDeclareImpl().
◆ stripDeadDebugInfoImpl()
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Definition at line 336 of file StripSymbols.cpp.
References llvm::NamedMDNode::addOperand(), llvm::SmallVectorImpl< T >::clear(), llvm::NamedMDNode::clearOperands(), collectCUsForInlinedFuncs(), collectCUsWithScope(), E, F, llvm::MDTuple::get(), I, llvm::detail::DenseSetImpl< ValueT, DenseMap< ValueT, detail::DenseSetEmpty, DenseMapInfo< ValueT >, detail::DenseSetPair< ValueT > >, DenseMapInfo< ValueT > >::insert(), llvm::SmallVectorImpl< T >::insert(), llvm::inst_begin(), llvm::inst_end(), and M.
Referenced by llvm::StripDeadDebugInfoPass::run().
◆ stripDebugDeclareImpl()
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Definition at line 254 of file StripSymbols.cpp.
References assert(), llvm::Instruction::eraseFromParent(), llvm::Function::eraseFromParent(), llvm::CallBase::getArgOperand(), M, llvm::RecursivelyDeleteTriviallyDeadInstructions(), RemoveDeadConstant(), llvm::Value::use_empty(), and llvm::Value::user_back().
Referenced by llvm::StripDebugDeclarePass::run().
◆ StripSymbolNames()
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StripSymbolNames - Strip symbol names.
Definition at line 210 of file StripSymbols.cpp.
References llvm::SmallPtrSetImpl< PtrType >::contains(), findUsedValues(), I, M, StripSymtab(), and StripTypeNames().
Referenced by llvm::StripSymbolsPass::run(), and llvm::StripNonDebugSymbolsPass::run().
◆ StripSymtab()
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Definition at line 168 of file StripSymbols.cpp.
References llvm::Value::getName(), llvm::Value::setName(), llvm::ARM_MB::ST, llvm::StringRef::startswith(), and VI.
Referenced by StripSymbolNames().
◆ StripTypeNames()
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Definition at line 181 of file StripSymbols.cpp.
References M, and llvm::TypeFinder::run().
Referenced by StripSymbolNames().
