[PATCH] D53779: [CodeExtractor] Allow extracting allocas within simple stack{save, restore} pairs

[Vedant Kumar via Phabricator via llvm-commits]

vsk updated this revision to Diff 171368.
vsk added a comment.

- Fix the issues Eli pointed out.

The source is essentially:

  uint8_t alignas(16) Buf[__builtin_os_log_format_buffer_size(fmt, ##__VA_ARGS__)];

In general I don't think this has to have a fixed size? Maybe some other optimization was able to simplify the alloca.


https://reviews.llvm.org/D53779

Files:
  llvm/include/llvm/Transforms/Utils/CodeExtractor.h
  llvm/lib/Transforms/Utils/CodeExtractor.cpp
  llvm/test/Transforms/HotColdSplit/outline-safe-alloca.ll

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