[cfe-dev] clang and -integrated-as

[Chris Lattner]

On Apr 17, 2010, at 5:18 AM, Jean-Daniel Dupas wrote:

> Hello,
> 
> After the post about LLVM-MC, I tried to play with the "-integrated-as" flag. 
> Unfortunately, it does not works for a simple case which is an obj-c file with a class and a category to extend this class (on i386).

It was a known issue, we just didn't get around to addressing it.  Fixed in r101660, thanks for nudging us!

-Chris

> 
> @interface Foo { void *isa; } @end
> @implementation Foo 
> @end
> @implementation Foo (Bar)
> @end
> 
> clang -arch i386 -integrated-as -c test.m
> <inline asm>:2:23: error: invalid assignment to '.objc_class_name_Foo'
>         .objc_class_name_Foo=0
> 
> To be exact, it stopped on these lines:
> 
> .lazy_reference .objc_class_name_Foo
> .objc_class_name_Foo=0
> .globl .objc_class_name_Foo
> 
> If the file does not contains a category, the .lazy_reference is not generated, and the code compile fine.
> 
> As LLVM-MV is fairly young, this is maybe a know issue, else should I fill a bug report  ?
> 
> Thanks
> 
> -- Jean-Daniel
> 
> 
> 
> 
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