[PATCH] D114547: [AArch64] Async unwind - Adjust unwind info in AArch64LoadStoreOptimizer

[Momchil Velikov via Phabricator via llvm-commits]

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The AArch64LoadStoreOptimnizer pass may merge a register
increment/decrement with a following memory operation. In doing so, it
may break CFI by moving a stack pointer adjustment past the CFI
instruction that described *that* adjustment.

This patch fixes this issue by moving said CFI instruction after the
merged instruction, where the SP increment/decrement actually takes
place.


https://reviews.llvm.org/D114547

Files:
  llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
  llvm/test/CodeGen/AArch64/arm64-fp128.ll
  llvm/test/CodeGen/AArch64/fcopysign.ll
  llvm/test/CodeGen/AArch64/swifttail-call.ll
  llvm/test/CodeGen/AArch64/tail-call.ll

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