[PATCH] D138339: [FuzzMutate] New strategy `ShuffleBlockStrategy`

[Peter Rong via Phabricator via llvm-commits]

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`ShuffleBlockStrategy` will shuffle the instructions in a basic block without breaking the dependency of instructions.
It is implemented as a topological sort, only we randomly select instructions with no dependency.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138339

Files:
  llvm/include/llvm/FuzzMutate/IRMutator.h
  llvm/lib/FuzzMutate/IRMutator.cpp
  llvm/unittests/FuzzMutate/StrategiesTest.cpp

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