[all-commits] [llvm/llvm-project] 2b1122: [DebugInfo][RemoveDIs] Use iterator-insertion in u...

[Jeremy Morse via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2b1122eaec0d0b335feeac4adfaab2e3e04b7bd9
      https://github.com/llvm/llvm-project/commit/2b1122eaec0d0b335feeac4adfaab2e3e04b7bd9
  Author: Jeremy Morse <jeremy.morse at sony.com>
  Date:   2024-08-08 (Thu, 08 Aug 2024)

  Changed paths:
    M llvm/include/llvm/FuzzMutate/OpDescriptor.h
    M llvm/lib/FuzzMutate/IRMutator.cpp
    M llvm/lib/FuzzMutate/Operations.cpp
    M llvm/lib/FuzzMutate/RandomIRBuilder.cpp
    M llvm/tools/llvm-reduce/deltas/ReduceOperandBundles.cpp
    M llvm/tools/llvm-stress/llvm-stress.cpp
    M llvm/unittests/Analysis/CGSCCPassManagerTest.cpp
    M llvm/unittests/Analysis/LazyCallGraphTest.cpp
    M llvm/unittests/Analysis/ScalarEvolutionTest.cpp
    M llvm/unittests/FuzzMutate/OperationsTest.cpp
    M llvm/unittests/IR/BasicBlockTest.cpp
    M llvm/unittests/Transforms/Utils/ScalarEvolutionExpanderTest.cpp

  Log Message:
  -----------
  [DebugInfo][RemoveDIs] Use iterator-insertion in unittests and fuzzer (#102015)

These are the final few places in LLVM that use instruction pointers to
insert instructions -- use iterators instead, which is needed for
debug-info correctness in the future. Most of this is a gentle
scattering of getIterator calls or not deref-then-addrofing iterators.
libfuzzer does require a storage change to keep built instruction
positions in a container though. The unit-test changes are very
straightforwards.

This leaves us in a position where libfuzzer can't fuzz on either of
debug-info records, however I don't believe that fuzzing of debug-info
is in scope for the library.



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