retdec
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Optimizes calls to LLVM intrinsic functions. More...
#include <llvm_intrinsics_optimizer.h>
Public Member Functions | |
LLVMIntrinsicsOptimizer (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< 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< 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 on all functions in the module. More... | |
ShPtr< Function > | getCalledFunc (ShPtr< CallExpr > expr) const |
Returns the function called in expr. More... | |
Visitor Interface | |
virtual void | visit (ShPtr< CallExpr > expr) override |
virtual void | visit (ShPtr< CallStmt > stmt) override |
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 |
Private Attributes | |
FuncSet | doNotRemoveFuncs |
Set of functions whose declarations should be kept. More... | |
FuncSet | removedCalls |
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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FuncOptimizer (ShPtr< Module > module) | |
Constructs a new function optimizer. More... | |
virtual void | runOnFunction (ShPtr< Function > func) |
Performs all optimizations on the given function. More... | |
template<typename T > | |
void | visitNestedAndSuccessorStatements (ShPtr< T > stmt) |
Visits the given statement, its nested statements, and successor statements (depending on the settings of the visitor). 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< Function > | currFunc |
Function that is currently being optimized. More... | |
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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... | |
Optimizes calls to LLVM intrinsic functions.
This optimizer does the following optimizations:
(1) Removes all standalone calls to llvm.ctpop
.* functions. If there are then no llvm.ctpop
.* calls after the conversion, the declaration of this function is removed from the module.
Some conversions of LLVM intrinsic functions are done in LLVMIntrinsicsConverter. Such conversions are not part of this optimizer.
Instances of this class have reference object semantics.
This is a concrete optimizer which should not be subclassed.
Constructs a new optimizer.
[in] | module | Module to be optimized. |
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Performs the optimization on all functions in the module.
This function calls runOnFunction() for each function in the module.
Only redefine if you want to prescribe the order in which functions are optimized; otherwise, just override runOnFunction().
Reimplemented from retdec::llvmir2hll::FuncOptimizer.
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Returns the function called in expr.
If the called expression is something more complex, like an indirect call, it returns the null pointer.
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Returns the ID of the optimizer.
Implements retdec::llvmir2hll::Optimizer.
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Reimplemented from retdec::llvmir2hll::OrderedAllVisitor.
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Reimplemented from retdec::llvmir2hll::OrderedAllVisitor.
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Set of functions whose declarations should be kept.
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