Strategy to insert PHI Nodes at the head of each basic block. More...
#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. | |
| void | mutate (BasicBlock &BB, RandomIRBuilder &IB) override |
 Public Member Functions inherited from llvm::IRMutationStrategy | |
| virtual | ~IRMutationStrategy ()=default |
| virtual uint64_t | getWeight (size_t CurrentSize, size_t MaxSize, uint64_t CurrentWeight)=0 |
| Provide a weight to bias towards choosing this strategy for a mutation. | |
| virtual void | mutate (Module &M, RandomIRBuilder &IB) |
| virtual void | mutate (Function &F, RandomIRBuilder &IB) |
| virtual void | mutate (Instruction &I, RandomIRBuilder &IB) |
Detailed Description
Strategy to insert PHI Nodes at the head of each basic block.
Definition at line 169 of file IRMutator.h.
Member Function Documentation
◆ getWeight()
|
inlineoverridevirtual |
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 171 of file IRMutator.h.
◆ mutate()
|
overridevirtual |
Reimplemented from llvm::IRMutationStrategy.
Definition at line 541 of file IRMutator.cpp.
References llvm::BasicBlock::begin(), llvm::PHINode::Create(), llvm::Function::getEntryBlock(), getInsertionRange(), llvm::BasicBlock::getParent(), I, llvm::fuzzerop::onlyType(), PHI, llvm::pred_size(), llvm::predecessors(), and llvm::SmallVectorTemplateBase< T, bool >::push_back().
The documentation for this class was generated from the following files:
- include/llvm/FuzzMutate/IRMutator.h
- lib/FuzzMutate/IRMutator.cpp
