[cfe-dev] [PATCH] Round 3: add unconditional support for block signatures

Fariborz Jahanian fjahanian at apple.com
Mon Feb 22 17:53:02 PST 2010

You want to remove #ifdef'ed out code in your test case.

Also, this test may or may not pass for 32bit mode. So, you may want  
to add something
like -triple x86_64-unknown-unknown  to command line.

- Fariborz

On Feb 22, 2010, at 5:30 PM, Blaine Garst wrote:

> Thanks to Fariborz suggestion that I write a unit test I discovered  
> that clang was not emitting the type signature information for  
> global blocks.
> While there I renamed his "types" field internally to "signature" to  
> reflect its more natural name which I will be using in the runtime.
> More significantly, I realized that we can recover the unused-by-the- 
> runtime (1<<29) bit now that unconditionally mark (1<<30).  This  
> will enable the compiler to (re)use that bit sometime in the future.
> Test "blocksignature.c" attached.
> <clang-4.patch>
> <blocksignature.c>
> Blaine
> _______________________________________________
> cfe-dev mailing list
> cfe-dev at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev

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