SILGen: Skip the value-to-id peephole for types with nontrivial SIL lowering. #5590
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…owering. The `emitNativeToBridgedValue` code is not well-factored to pass down the formal type of the value being bridged, which is necessary to build a generic call to _bridgeAnythingToObjectiveC in the fallback case. To work around this issue, disable the expression peephole when the type is not a valid lowered SIL type as is. Short-term fix for rdar://problem/28318984.
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@swift-ci Please smoke test |
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@slavapestov How does this look for 3.0? |
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Looks good. I ran into the issue where the formal type is not available when originally implementing the part of the id-as-Any stuff that was on my plate... I don't remember what the difficulty was but it sounds like a good issue to fix at some point. |
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Yeah, we ought to refactor the bridging code to plumb the formal type through. That's too big a project to take for 3.0 at this point. |
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The
emitNativeToBridgedValuecode is not well-factored to pass down the formal type of the value being bridged, which is necessary to build a generic call to _bridgeAnythingToObjectiveC in the fallback case. To work around this issue, disable the expression peephole when the type is not a valid lowered SIL type as is. Short-term fix for rdar://problem/28318984.