Displaying 2 results from an estimated 2 matches for "needsunwindt".
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need_unwind
2014 Feb 10
2
[LLVMdev] [cfe-dev] Unwind behaviour in Clang/LLVM
On 10 February 2014 03:44, Renato Golin <renato.golin at linaro.org> wrote:
> On 10 February 2014 02:59, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
>> It has to be an attribute because of LTO. You can LTO a file compiled
>> with -fasynchronous-unwind-tables and one with
>> -fno-asynchronous-unwind-tables. That is why we have the uwtable
>>
2014 Feb 11
2
[LLVMdev] [cfe-dev] Unwind behaviour in Clang/LLVM
...gt;> I am not too sure about nounwind. I think it is more about using
>> unwind for control flow in the language. Having it allows us
>> to prune information used for exception handling.
>
> nounwind translates into "doesNotThrow()", which is *also* used on
> "needsUnwindTables()" which is used in "needsCFIMoves()".
>
> It's not simple. ;)
>
> cheers,
> --renato
Cheers,
Rafael