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llvm-mirror/lib/FuzzMutate
Florian Hahn 5b8c530938 [FuzzMutate] Add mutator to modify instruction flags.
This patch adds a new InstModificationIRStrategy to mutate flags/options
for instructions. For example, it may add or remove nuw/nsw flags from
add, mul, sub, shl instructions or change the predicate for icmp
instructions.

Subtle changes such as those mentioned above should lead to a more
interesting range of inputs. The presence or absence of overflow flags
can expose subtle bugs, for example.

Reviewed By: bogner

Differential Revision: https://reviews.llvm.org/D94905
2021-01-23 19:05:20 +00:00
..
CMakeLists.txt llvmbuildectomy - replace llvm-build by plain cmake 2020-11-13 10:35:24 +01:00
FuzzerCLI.cpp [NewPM][LSR] Rename strength-reduce -> loop-reduce 2020-07-02 11:15:29 -07:00
IRMutator.cpp [FuzzMutate] Add mutator to modify instruction flags. 2021-01-23 19:05:20 +00:00
OpDescriptor.cpp
Operations.cpp [SVE] Remove calls to VectorType::getNumElements from FuzzMutate 2020-06-23 11:02:20 -07:00
RandomIRBuilder.cpp