[PATCH] D112768: [ARM] implement support for TLS register based stack protector

[Ard Biesheuvel via Phabricator via cfe-commits]

ardb updated this revision to Diff 383390.
ardb edited the summary of this revision.
ardb added a comment.

- split off LOAD_STACK_GUARD conversion
- deal with guard offsets >= 4096 bytes
- reject offsets < 0 or >= 1 MiB
- add backend test to check that the MRC/LDR sequence is emitted twice


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112768/new/

https://reviews.llvm.org/D112768

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/stack-protector-guard.c
  llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp
  llvm/lib/Target/ARM/ARMInstrInfo.cpp
  llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
  llvm/test/CodeGen/ARM/stack-guard-tls.ll

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