[PATCH] D83595: [Draft][MSAN] Optimize away poisoning allocas that are always written before load

[Gui Andrade via Phabricator via llvm-commits]

guiand updated this revision to Diff 282982.
guiand added a comment.

Integrated with Alias Analyzer, uses simpler mechanism for walking through BB and determining stores to alloca


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83595/new/

https://reviews.llvm.org/D83595

Files:
  compiler-rt/test/msan/getaddrinfo.cpp
  compiler-rt/test/msan/qsort.cpp
  llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
  llvm/test/Instrumentation/MemorySanitizer/alloca-store.ll
  llvm/test/Instrumentation/MemorySanitizer/alloca.ll
  llvm/test/Instrumentation/MemorySanitizer/msan_x86_bts_asm.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D83595.282982.patch
Type: text/x-patch
Size: 13164 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20200804/e225f05c/attachment.bin>