[PATCH] D134992: [AArch64] Don't form paired loads from epilogue operations.

[Eli Friedman via Phabricator via llvm-commits]

efriedma created this revision.
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AArch64LoadStoreOptimizer has a bunch of different guards to avoid corrupting Windows SEH prologues/epilogues, but apparently we missed the case of merging two instructions where the first instruction isn't part of the epilogue, but the second instruction is.

Fixes issue discovered at https://reviews.llvm.org/D130049#3704064


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134992

Files:
  llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
  llvm/test/CodeGen/AArch64/wineh9.mir

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