[PATCH] D130201: llvm.swift.async.context.addr cannot be modeled as NoMem because we don't want it to be cse'd accross async suspends

[Arnold Schwaighofer via Phabricator via llvm-commits]

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An async suspend models the split between two partial async functions.
`llvm.swift.async.context.addr ` will have a different value in the two
partial functions so it is not correct to generally CSE the instruction.

rdar://97336162


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130201

Files:
  llvm/include/llvm/IR/Intrinsics.td
  llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/Transforms/Coroutines/coro-async-no-cse-swift-async-context-addr.ll

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