[all-commits] [llvm/llvm-project] 26f819: [DSE] Handle inaccessiblememonly calloc

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 26f81984e7972c17c4e7f97b1f5a3fc2f4d76ca7
      https://github.com/llvm/llvm-project/commit/26f81984e7972c17c4e7f97b1f5a3fc2f4d76ca7
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-01-19 (Wed, 19 Jan 2022)

  Changed paths:
    M llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
    M llvm/test/Transforms/DeadStoreElimination/calloc-store.ll
    M llvm/test/Transforms/DeadStoreElimination/noop-stores.ll
    M llvm/test/Transforms/DeadStoreElimination/operand-bundles.ll

  Log Message:
  -----------
  [DSE] Handle inaccessiblememonly calloc

Change the DSE calloc handling to assume that it is
inaccessiblememonly, i.e. the defining access is liveOnEntry.

Differential Revision: https://reviews.llvm.org/D117543


  Commit: 5ba73c924df895c95f895c2f00b7c8e76ca0d4a8
      https://github.com/llvm/llvm-project/commit/5ba73c924df895c95f895c2f00b7c8e76ca0d4a8
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-01-19 (Wed, 19 Jan 2022)

  Changed paths:
    M llvm/lib/Transforms/Utils/BuildLibCalls.cpp
    M llvm/test/Transforms/InferFunctionAttrs/annotate.ll

  Log Message:
  -----------
  [BuildLibCalls] Mark calloc as inaccessiblememonly

Now that DSE handles inaccessiblememonly calloc, mark it as such,
as we do with other memory allocation functions.


Compare: https://github.com/llvm/llvm-project/compare/903424532f0b...5ba73c924df8