LLVM
15.0.0git
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#include "llvm/FuzzMutate/IRMutator.h"
Public Member Functions | |
uint64_t | getWeight (size_t CurrentSize, size_t MaxSize, uint64_t CurrentWeight) override |
Provide a weight to bias towards choosing this strategy for a mutation. More... | |
void | mutate (Function &F, RandomIRBuilder &IB) override |
void | mutate (Instruction &Inst, RandomIRBuilder &IB) override |
virtual void | mutate (Module &M, RandomIRBuilder &IB) |
virtual void | mutate (Function &F, RandomIRBuilder &IB) |
virtual void | mutate (BasicBlock &BB, RandomIRBuilder &IB) |
virtual void | mutate (Instruction &I, RandomIRBuilder &IB) |
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virtual | ~IRMutationStrategy ()=default |
virtual void | mutate (Module &M, RandomIRBuilder &IB) |
virtual void | mutate (BasicBlock &BB, RandomIRBuilder &IB) |
Definition at line 98 of file IRMutator.h.
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overridevirtual |
Provide a weight to bias towards choosing this strategy for a mutation.
The value of the weight is arbitrary, but a good default is "the number of
distinct ways in which this strategy can mutate a unit". This can also be used to prefer strategies that shrink the overall size of the result when we start getting close to MaxSize
.
Implements llvm::IRMutationStrategy.
Definition at line 144 of file IRMutator.cpp.
void IRMutationStrategy::mutate |
Definition at line 55 of file IRMutator.cpp.
void IRMutationStrategy::mutate |
Definition at line 51 of file IRMutator.cpp.
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overridevirtual |
Reimplemented from llvm::IRMutationStrategy.
Definition at line 161 of file IRMutator.cpp.
References eliminateDeadCode(), F, llvm::instructions(), and llvm::RandomIRBuilder::Rand.
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inline |
Definition at line 54 of file IRMutator.h.
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overridevirtual |
Reimplemented from llvm::IRMutationStrategy.
Definition at line 180 of file IRMutator.cpp.
References assert(), BB, E, llvm::Instruction::eraseFromParent(), llvm::ilist_node_impl< OptionsT >::getIterator(), llvm::Instruction::getParent(), llvm::Value::getType(), I, llvm::Instruction::isTerminator(), llvm::Type::isVoidTy(), llvm::RandomIRBuilder::newSource(), llvm::fuzzerop::onlyType(), llvm::RandomIRBuilder::Rand, and llvm::Value::replaceAllUsesWith().
void IRMutationStrategy::mutate |
Mutators for each IR unit. By default these forward to a contained instance of the next smaller unit.
Definition at line 39 of file IRMutator.cpp.