retdec
negative_operand_sub_optimizer.h
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1 
8 #ifndef RETDEC_LLVMIR2HLL_OPTIMIZER_OPTIMIZERS_SIMPLIFY_ARITHM_EXPR_NEGATIVE_OPERAND_SUB_OPTIMIZER_H
9 #define RETDEC_LLVMIR2HLL_OPTIMIZER_OPTIMIZERS_SIMPLIFY_ARITHM_EXPR_NEGATIVE_OPERAND_SUB_OPTIMIZER_H
10 
11 #include <string>
12 
15 
16 namespace retdec {
17 namespace llvmir2hll {
18 
60 public:
62 
65  virtual std::string getId() const override;
66 
67 private:
70  using SubOptimizer::visit;
71  virtual void visit(ShPtr<AddOpExpr> expr) override;
72  virtual void visit(ShPtr<SubOpExpr> expr) override;
74 
77 };
78 
79 } // namespace llvmir2hll
80 } // namespace retdec
81 
82 #endif
This optimizer changes expressions where one of the operands is negative. Examples are mentioned belo...
Definition: negative_operand_sub_optimizer.h:59
NegativeOperandSubOptimizer(ShPtr< ArithmExprEvaluator > arithmExprEvaluator)
Constructs the NegativeOperandSubOptimizer.
Definition: negative_operand_sub_optimizer.cpp:27
ShPtr< ConstFloat > ifNegativeConstFloatReturnIt(ShPtr< Expression > expr) const
If expr is negative ConstFloat, return it.
Definition: negative_operand_sub_optimizer.cpp:201
virtual void visit(ShPtr< AddOpExpr > expr) override
Definition: negative_operand_sub_optimizer.cpp:47
static ShPtr< SubOptimizer > create(ShPtr< ArithmExprEvaluator > arithmExprEvaluator)
Creates a new NegativeOperandSubOptimizer.
Definition: negative_operand_sub_optimizer.cpp:37
ShPtr< ConstInt > ifNegativeConstIntReturnIt(ShPtr< Expression > expr) const
If expr is negative ConstInt, return it.
Definition: negative_operand_sub_optimizer.cpp:183
virtual std::string getId() const override
Returns the ID of the optimizer.
Definition: negative_operand_sub_optimizer.cpp:43
virtual void visit(ShPtr< GlobalVarDef > varDef) override
Definition: ordered_all_visitor.cpp:95
A base class for all simplify arithmetical expression optimizations.
Definition: sub_optimizer.h:24
ShPtr< ArithmExprEvaluator > arithmExprEvaluator
The used evaluator of arithmetical expressions.
Definition: sub_optimizer.h:41
A library providing API for working with back-end IR.
std::shared_ptr< T > ShPtr
An alias for a shared pointer.
Definition: smart_ptr.h:18
Definition: archive_wrapper.h:19
A base class for all simplify arithmetical expression optimizations.
Aliases for several useful types.