[PATCH] D102901: [HWASan] Add basic stack tagging support for LAM.

[Matt Morehouse via Phabricator via llvm-commits]

morehouse updated this revision to Diff 350975.
morehouse marked 3 inline comments as done.
morehouse added a comment.
Herald added a project: clang.
Herald added subscribers: Sanitizers, cfe-commits.

- Rename flag as experimental.
- Refactor and simplify code.
- Apply mask to base tag only.
- Enable some compiler-rt stack tests on x86.
- Add IR tests.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D102901/new/

https://reviews.llvm.org/D102901

Files:
  clang/lib/Driver/SanitizerArgs.cpp
  clang/test/Driver/fsanitize.c
  compiler-rt/test/hwasan/TestCases/deep-recursion.c
  compiler-rt/test/hwasan/TestCases/longjmp.c
  compiler-rt/test/hwasan/TestCases/mem-intrinsics.c
  compiler-rt/test/hwasan/TestCases/rich-stack.c
  compiler-rt/test/hwasan/TestCases/stack-history-length.c
  compiler-rt/test/hwasan/TestCases/stack-oob.c
  compiler-rt/test/hwasan/TestCases/stack-uar-dynamic.c
  compiler-rt/test/hwasan/TestCases/stack-uar-realign.c
  compiler-rt/test/hwasan/TestCases/stack-uar.c
  llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
  llvm/test/Instrumentation/HWAddressSanitizer/X86/alloca-array.ll
  llvm/test/Instrumentation/HWAddressSanitizer/X86/alloca-with-calls.ll
  llvm/test/Instrumentation/HWAddressSanitizer/X86/alloca.ll

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