[PATCH] D129315: [hwasan] Refactor frame record info into function

[Leonard Chan via Phabricator via llvm-commits]

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This way it can be reused easily in D128387 <https://reviews.llvm.org/D128387>.

Note this changes the IR slightly. Before The steps for calculating and storing the frame record info were:

1. getPC
2. getSP
3. inttoptr
4. or SP, PC
5. store

Now the steps are:

1. getPC
2. getSP
3. or SP, PC
4. inttoptr
5. store


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D129315

Files:
  llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
  llvm/test/Instrumentation/HWAddressSanitizer/use-after-scope.ll

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