retdec
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Converts all global variables without a name from debug information to local variables. More...
#include <aggressive_global_to_local_optimizer.h>
Public Member Functions | |
AggressiveGlobalToLocalOptimizer (ShPtr< Module > module) | |
Constructs a new optimizer. More... | |
virtual std::string | getId () const override |
Returns the ID of the optimizer. More... | |
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Optimizer (ShPtr< Module > module) | |
Constructs a new optimizer. More... | |
ShPtr< Module > | optimize () |
Performs all the optimizations of the specific optimizer. More... | |
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virtual void | visit (ShPtr< GlobalVarDef > varDef) override |
virtual void | visit (ShPtr< Function > func) override |
virtual void | visit (ShPtr< AssignStmt > stmt) override |
virtual void | visit (ShPtr< BreakStmt > stmt) override |
virtual void | visit (ShPtr< CallStmt > stmt) override |
virtual void | visit (ShPtr< ContinueStmt > stmt) override |
virtual void | visit (ShPtr< EmptyStmt > stmt) override |
virtual void | visit (ShPtr< ForLoopStmt > stmt) override |
virtual void | visit (ShPtr< UForLoopStmt > stmt) override |
virtual void | visit (ShPtr< GotoStmt > stmt) override |
virtual void | visit (ShPtr< IfStmt > stmt) override |
virtual void | visit (ShPtr< ReturnStmt > stmt) override |
virtual void | visit (ShPtr< SwitchStmt > stmt) override |
virtual void | visit (ShPtr< UnreachableStmt > stmt) override |
virtual void | visit (ShPtr< VarDefStmt > stmt) override |
virtual void | visit (ShPtr< WhileLoopStmt > stmt) override |
virtual void | visit (ShPtr< AddOpExpr > expr) override |
virtual void | visit (ShPtr< AddressOpExpr > expr) override |
virtual void | visit (ShPtr< AndOpExpr > expr) override |
virtual void | visit (ShPtr< ArrayIndexOpExpr > expr) override |
virtual void | visit (ShPtr< AssignOpExpr > expr) override |
virtual void | visit (ShPtr< BitAndOpExpr > expr) override |
virtual void | visit (ShPtr< BitOrOpExpr > expr) override |
virtual void | visit (ShPtr< BitShlOpExpr > expr) override |
virtual void | visit (ShPtr< BitShrOpExpr > expr) override |
virtual void | visit (ShPtr< BitXorOpExpr > expr) override |
virtual void | visit (ShPtr< CallExpr > expr) override |
virtual void | visit (ShPtr< CommaOpExpr > expr) override |
virtual void | visit (ShPtr< DerefOpExpr > expr) override |
virtual void | visit (ShPtr< DivOpExpr > expr) override |
virtual void | visit (ShPtr< EqOpExpr > expr) override |
virtual void | visit (ShPtr< GtEqOpExpr > expr) override |
virtual void | visit (ShPtr< GtOpExpr > expr) override |
virtual void | visit (ShPtr< LtEqOpExpr > expr) override |
virtual void | visit (ShPtr< LtOpExpr > expr) override |
virtual void | visit (ShPtr< ModOpExpr > expr) override |
virtual void | visit (ShPtr< MulOpExpr > expr) override |
virtual void | visit (ShPtr< NegOpExpr > expr) override |
virtual void | visit (ShPtr< NeqOpExpr > expr) override |
virtual void | visit (ShPtr< NotOpExpr > expr) override |
virtual void | visit (ShPtr< OrOpExpr > expr) override |
virtual void | visit (ShPtr< StructIndexOpExpr > expr) override |
virtual void | visit (ShPtr< SubOpExpr > expr) override |
virtual void | visit (ShPtr< TernaryOpExpr > expr) override |
virtual void | visit (ShPtr< Variable > var) override |
virtual void | visit (ShPtr< BitCastExpr > expr) override |
virtual void | visit (ShPtr< ExtCastExpr > expr) override |
virtual void | visit (ShPtr< FPToIntCastExpr > expr) override |
virtual void | visit (ShPtr< IntToFPCastExpr > expr) override |
virtual void | visit (ShPtr< IntToPtrCastExpr > expr) override |
virtual void | visit (ShPtr< PtrToIntCastExpr > expr) override |
virtual void | visit (ShPtr< TruncCastExpr > expr) override |
virtual void | visit (ShPtr< ConstArray > constant) override |
virtual void | visit (ShPtr< ConstBool > constant) override |
virtual void | visit (ShPtr< ConstFloat > constant) override |
virtual void | visit (ShPtr< ConstInt > constant) override |
virtual void | visit (ShPtr< ConstNullPointer > constant) override |
virtual void | visit (ShPtr< ConstString > constant) override |
virtual void | visit (ShPtr< ConstStruct > constant) override |
virtual void | visit (ShPtr< ConstSymbol > constant) override |
virtual void | visit (ShPtr< ArrayType > type) override |
virtual void | visit (ShPtr< FloatType > type) override |
virtual void | visit (ShPtr< IntType > type) override |
virtual void | visit (ShPtr< PointerType > type) override |
virtual void | visit (ShPtr< StringType > type) override |
virtual void | visit (ShPtr< StructType > type) override |
virtual void | visit (ShPtr< FunctionType > type) override |
virtual void | visit (ShPtr< VoidType > type) override |
virtual void | visit (ShPtr< UnknownType > type) override |
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virtual | ~Visitor ()=default |
Private Member Functions | |
virtual void | doOptimization () override |
Performs the optimization. More... | |
void | convertGlobalVarsToLocalVars () |
Converts all global variables to local variables. More... | |
Additional Inherited Members | |
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template<class OptimizerType , typename... Args> | |
static ShPtr< Module > | optimize (ShPtr< Module > module, Args &&... args) |
Creates an instance of OptimizerType with the given arguments and optimizes the given module by it. More... | |
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virtual void | doInitialization () |
Performs pre-optimization matters. More... | |
virtual void | doFinalization () |
Performs post-optimization matters. More... | |
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OrderedAllVisitor (bool visitSuccessors=true, bool visitNestedStmts=true) | |
Constructs a new visitor. More... | |
virtual void | visitStmt (ShPtr< Statement > stmt, bool visitSuccessors=true, bool visitNestedStmts=true) |
Visits the given statement, and possibly its successors or nested statements. More... | |
void | restart (bool visitSuccessors=true, bool visitNestedStmts=true) |
"Restarts" the visitor so it is in the state like it was when it was created. More... | |
bool | makeAccessedAndCheckIfAccessed (ShPtr< Type > type) |
Makes the given type accessed. More... | |
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Visitor ()=default | |
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ShPtr< Module > | module |
The module that is being optimized. More... | |
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ShPtr< Statement > | lastStmt |
Statement that has been accessed as the last one. More... | |
StmtUSet | accessedStmts |
A set of all accessed statements. More... | |
TypeUSet | accessedTypes |
A set of all accessed types. More... | |
bool | visitSuccessors |
Should statements' successor be accessed? More... | |
bool | visitNestedStmts |
Should nested statements be accessed? More... | |
Converts all global variables without a name from debug information to local variables.
By converting all global variables to local ones, the copy propagation optimization can be more effective. On the other hand, the optimized code might not be functionally equivalent with the original code.
Instances of this class have reference object semantics.
This is a concrete optimizer which should not be subclassed.
retdec::llvmir2hll::AggressiveGlobalToLocalOptimizer::AggressiveGlobalToLocalOptimizer | ( | ShPtr< Module > | module | ) |
Constructs a new optimizer.
[in] | module | Module to be optimized. |
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private |
Converts all global variables to local variables.
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overrideprivatevirtual |
Performs the optimization.
This function is called after doInitialization()
and before doFinalization()
, and should perform all the optimizations of the specific optimizer.
By default, this function does nothing.
Reimplemented from retdec::llvmir2hll::Optimizer.
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inlineoverridevirtual |
Returns the ID of the optimizer.
Implements retdec::llvmir2hll::Optimizer.