[PATCH] D73513: [memtag] Plug in stack safety analysis.

[Evgenii Stepanov via Phabricator via cfe-commits]

eugenis created this revision.
eugenis added reviewers: pcc, vitalybuka, ostannard.
Herald added subscribers: cfe-commits, hiraditya, kristof.beyls.
Herald added projects: clang, LLVM.

Run StackSafetyAnalysis at the end of the IR pipeline and annotate
proven safe allocas with !stack-safe metadata. Do not instrument such
allocas in the AArch64StackTagging pass.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D73513

Files:
  clang/lib/CodeGen/BackendUtil.cpp
  clang/test/Driver/memtag.c
  llvm/include/llvm/Analysis/StackSafetyAnalysis.h
  llvm/lib/Analysis/StackSafetyAnalysis.cpp
  llvm/lib/Target/AArch64/AArch64StackTagging.cpp
  llvm/test/CodeGen/AArch64/stack-tagging.ll

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