[llvm-dev] WebAssembly into normal Target?

[Dan Gohman via llvm-dev]

Hi Eric,

On Wed, Sep 19, 2018 at 5:33 PM, Eric Christopher <echristo at gmail.com>
wrote:

> Hi Dan,
>
> Sure. That said I think people are just doing it anyhow :)
>
> On Wed, Sep 19, 2018 at 3:59 PM Dan Gohman <sunfish at mozilla.com> wrote:
>
>> Hi Eric,
>>
>> We've been waiting until we stabilize various key interfaces, including
>> the builtin functions, the C ABI, and the .o file format., as we'd like to
>> avoid having users using packaged versions of LLVM producing C/C++ source
>> files or .o/.a files that end up being incompatible with newer versions of
>> LLVM.
>>
>> To my knowledge, all of the major issues are fixed now, and the only
>> remaining blocker is that we need to decide what to do here:
>>
>> https://reviews.llvm.org/D43675 (Rename imported/exported memory symbol
>> to __linear_memory)
>>
>>
> On the bright side we just had a release so you'll have 6 mos to get that
> ironed out? :)
>

That's a good point. I think we can commit to fixing that issue in 6 months
:-).

I checked in the patch enabling the WebAssembly target, but some of the
buildbots found a memory leak (MCSymbolWasm has dynamically allocated
memory, but MCSymbol destructors are never run), so I reverted the change
for now. As soon as we fix that issue, we should be good to re-enable.

Dan
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