[llvm-dev] Hoisting in the presence of volatile loads.

[Alina Sbirlea via llvm-dev]

Hi Krzysztof,

Could I get some background info on reasoning about hoisting in the
presence of volatile loads?
I was looking at this testcase: test/Transforms/LICM/volatile-alias.ll

Context: MemorySSA treats volatile loads as defs. I'm looking to better
understand expected behavior in the presence of volatile accesses.
More context: https://reviews.llvm.org/D40375.

Thanks in advance,
Alina
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