[all-commits] [llvm/llvm-project] edab41: AArch64: copy all parts of the mem operand across ...

[Tim Northover via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: edab411ee6cc67687fcc0a8cf702d1113abe9eb1
      https://github.com/llvm/llvm-project/commit/edab411ee6cc67687fcc0a8cf702d1113abe9eb1
  Author: Tim Northover <t.p.northover at gmail.com>
  Date:   2021-08-19 (Thu, 19 Aug 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    A llvm/test/CodeGen/AArch64/volatile-combine.ll

  Log Message:
  -----------
  AArch64: copy all parts of the mem operand across when combining a store

In particular we were dropping volatility, which can lead to unwanted
transformations.