[PATCH] D109157: [ARM] Mitigate the cve-2021-35465 security vulnurability.

[Alexandros Lamprineas via Phabricator via cfe-commits]

labrinea updated this revision to Diff 372674.
labrinea added a comment.

Changes in this revision:

- Replaced the backend option that enables the mitigation with a subtarget feature so that it works with LTO (@lenary thanks for the offline hint)
- Enabled the subtarget feature on the affected CPUs


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109157/new/

https://reviews.llvm.org/D109157

Files:
  clang/docs/ClangCommandLineReference.rst
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/ToolChains/Arch/ARM.cpp
  clang/test/Driver/arm-cmse-cve-2021-35465.c
  llvm/lib/Target/ARM/ARM.td
  llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
  llvm/lib/Target/ARM/ARMSubtarget.h
  llvm/test/CodeGen/ARM/cmse-cve-2021-35465-return.ll
  llvm/test/CodeGen/ARM/cmse-cve-2021-35465.ll
  llvm/test/CodeGen/ARM/cmse-vlldm-no-reorder.mir

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