anirudhp added a comment.

In D82862#2513044 <https://reviews.llvm.org/D82862#2513044>, @rnk wrote:

> In D82862#2512908 <https://reviews.llvm.org/D82862#2512908>, @uweigand wrote:
>
>> So why do you want GNU inline asm for clang-cl anyway?   I thought the whole 
>> point of clang-cl was to be compatible with the Microsoft Visual Studio 
>> compiler, which I understand only supports the MS asm syntax?
>
> We have users, in this case, I think it's V8, who would prefer to use 
> gcc-style module level assembly if it is available. Their motivation is 
> somewhat arbitrary, but generally, clang-cl supports a variety of extensions, 
> some inherited from GCC, in all modes. Part of the point of switching 
> compilers from MSVC to clang is to get access to those extensions.

I might be mistaken here  but couldn't this be done by introducing an option 
and tying it to setting the AssemblerDialect field in the target's respective 
`MCAsmInfo` instance and then querying that? Wouldn't this remove the 
dependency on setting the dialect on the parser. Module level assembly are only 
going to be treated as GNU statements (from Uli's comment above), and if its 
just the case of using a different variant (within the gnu dialect), then this 
can be set in the respective (Target)MCAsmInfo instances appropriately?


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82862/new/

https://reviews.llvm.org/D82862

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