[llvm-dev] WebAssembly use of collectDebugValues (original) (raw)

Yury Delendik via llvm-dev llvm-dev at lists.llvm.org
Thu Feb 21 07:55:00 PST 2019

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Jeremy,

Thank you for heads up. Yes, it does. The WebAssembly backend relies on the collectDebugValues though it does not rely on idea of "machine pseudo-instructions immediately after the instruction". I don't have a good answer yet, but if collectDebugValues continues returning DBG_VALUE connected with the defining instruction it will be fine. The examples of operations it is used in: replace virtual register in a defining instruction, instructions moving or cloning inside and between BBs. So I guess we just need to see and follow up with future changes in the behaviour of the collectDebugValues.

Thanks

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