[llvm-dev] [DWARF] Why epilogue_begin was not emitted?

[Francis Visoiu Mistrih via llvm-dev]

> On 29 Nov 2018, at 19:53, John Reagan via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> We'll be adding this (OpenVMS needs to know about epilogue boundaries to
> handle asynchronous exceptions in an epilogue).  We are currently
> out-of-tree but will be rebasing next year and will then offer up what
> we have done.
> 
> Epilogue support was attempted at some point, but Francis told me that
> it had problems with shrink-wrapping (I think that was the reason).

I might be wrong but I think I was mentioning adding CFI emission support in epilogues, which should be working on X86: https://reviews.llvm.org/rL330706 <https://reviews.llvm.org/rL330706>.

Cheers,

— 
Francis

> 
> John
> 
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