[LLVMdev] exceptions in llvm projects

Reid Spencer rspencer at reidspencer.com
Wed Mar 28 06:32:59 PDT 2007

On Wed, 2007-03-28 at 03:52 -0500, Ryan M. Lefever wrote:
> While creating compiler transformations for use with opt, I discovered 
> that when configuring and making LLVM and its projects, exceptions are 
> disabled.  I'm assuming that was done for performance reasons. 

That's correct. It makes LLVM slightly smaller too.  Note that the tools
and a few libraries not not exception free at this point. Any Makefile
that has REQUIRES_EH:=1 in it will build with exceptions enabled.

>  Is there 
> any reason not to enable exceptions for LLVM projects?

Nope. Have at it.  Just don't expect to catch many (any?) from LLVM.


> Thanks,
> Ryan
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