Add llvm operand bundle def and catch pad/ret/switch #4501
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This will conflict with #4396, but I think we should ensure to have this before #4396 in master. Any input before merging this @ysbaddaden / @waj ? |
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It's fine. Dropping LLVM 3.5 / 3.5 support can be redone anytime. It's only cutting lines, after all :-) |
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In order to use emit catch pads for exception handling these functions will be needed.
For call and invokes a funclet operand bundle def is needed. Current C api does not allow to specify one. The default LLVM::OperandBundleDef.null make the change backward compatible.
This is needed to generate begin/rescue blocks with windows SEH.