[PATCH] D120994: [Coroutines] Allow FramePtr to be an Argument

[Nikita Popov via Phabricator via llvm-commits]

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With opaque pointers, after splitRetconCoroutine() the FramePtr may be an Argument rather than an Instruction. With typed pointers, this currently doesn't happen because the FramePtr would be a bitcast instruction.

Fix this by making FramePtr a Value and adding a helper for the "after FramePtr" insertion pointer, which would be the start of the function in the Argument case.


https://reviews.llvm.org/D120994

Files:
  llvm/lib/Transforms/Coroutines/CoroFrame.cpp
  llvm/lib/Transforms/Coroutines/CoroInternal.h
  llvm/lib/Transforms/Coroutines/CoroSplit.cpp
  llvm/test/Transforms/Coroutines/coro-retcon-opaque-ptr.ll

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