<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 6, 2016 at 6:49 PM, via cfe-dev <span dir="ltr"><<a href="mailto:cfe-dev@lists.llvm.org" target="_blank">cfe-dev@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div> LLVM support new eh instructions.(<a href="http://llvm.org/docs/ExceptionHandling.html#new-exception-handling-instructions" target="_blank">http://llvm.org/<wbr>docs/ExceptionHandling.html#<wbr>new-exception-handling-<wbr>instructions</a>) Clang still use the old landingpad inst to support the C++ exceptions. Do we have any plan to enable the support of the new exception instructions ?<br></div></blockquote><div><br></div><div>Clang already supports the new C++ exception handling instructions, it uses them exclusively to implement MSVC compatible exception handling.  The landingpad scheme is retained because it provides a degree of flexibility (and thus optimization opportunities) which isn't available in the new instructions.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><br>Thank you.<br></div></div><br>______________________________<wbr>_________________<br>
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