[all-commits] [llvm/llvm-project] bc277e: [FuzzMutate] New InsertCFGStrategy

[Peter Rong via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bc277eb16b253ee4c6a2151ba5c1a20747526a47
      https://github.com/llvm/llvm-project/commit/bc277eb16b253ee4c6a2151ba5c1a20747526a47
  Author: Peter Rong <PeterRong96 at gmail.com>
  Date:   2022-12-12 (Mon, 12 Dec 2022)

  Changed paths:
    M llvm/include/llvm/FuzzMutate/IRMutator.h
    M llvm/include/llvm/FuzzMutate/RandomIRBuilder.h
    M llvm/lib/FuzzMutate/CMakeLists.txt
    M llvm/lib/FuzzMutate/IRMutator.cpp
    M llvm/lib/FuzzMutate/RandomIRBuilder.cpp
    M llvm/unittests/FuzzMutate/StrategiesTest.cpp

  Log Message:
  -----------
  [FuzzMutate] New InsertCFGStrategy

Mutating CFG is hard as we have to maintain dominator relations.
We avoid this problem by inserting a CFG into a splitted block.

switch, ret, and br instructions are generated.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D139067