[PATCH] D149228: [HWASAN] Support tagged stack pointer

[Vitaly Buka via Phabricator via llvm-commits]

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If stack was allocated using regular allocator, it may be tagged
and it will make memToShadow calculate invalid offset.

Also when UAR tag should be the tag of the stack frame pointer.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D149228

Files:
  llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
  llvm/test/Instrumentation/HWAddressSanitizer/RISCV/alloca-with-calls.ll
  llvm/test/Instrumentation/HWAddressSanitizer/RISCV/alloca.ll
  llvm/test/Instrumentation/HWAddressSanitizer/RISCV/exception-lifetime.ll
  llvm/test/Instrumentation/HWAddressSanitizer/RISCV/use-after-scope-setjmp.ll
  llvm/test/Instrumentation/HWAddressSanitizer/X86/alloca-array.ll
  llvm/test/Instrumentation/HWAddressSanitizer/X86/alloca-with-calls.ll
  llvm/test/Instrumentation/HWAddressSanitizer/X86/alloca.ll
  llvm/test/Instrumentation/HWAddressSanitizer/alloca-array.ll
  llvm/test/Instrumentation/HWAddressSanitizer/alloca-with-calls.ll
  llvm/test/Instrumentation/HWAddressSanitizer/alloca.ll
  llvm/test/Instrumentation/HWAddressSanitizer/exception-lifetime.ll
  llvm/test/Instrumentation/HWAddressSanitizer/kernel-alloca.ll
  llvm/test/Instrumentation/HWAddressSanitizer/stack-coloring.ll
  llvm/test/Instrumentation/HWAddressSanitizer/use-after-scope-setjmp.ll
  llvm/test/Instrumentation/HWAddressSanitizer/use-after-scope.ll

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