[cfe-dev] annotating loop statements
richard at metafoo.co.uk
Thu Feb 7 15:55:37 PST 2013
On Thu, Feb 7, 2013 at 1:41 PM, Redmond, Paul <paul.redmond at intel.com>wrote:
> Could I use AttributedStmt for this? I don't see it being used for
> anything else..
Yes, AttributedStmt would be appropriate here. It's also used to represent
C++11 attributes applied to a statement.
> On 2013-02-07, at 12:45 PM, Redmond, Paul wrote:
> > Hi,
> > I'm working on #pragma ivdep  in clang and I'm looking for advice on
> the best way to annotate ForStmt/WhileStmt/DoStmt with the ivdep hint. I've
> attached my work in progress which handles parsing.
> > I think there are two options:
> > 1) add a flag to ForStmt/WhileStmt/DoStmt and toggle it in the parser
> > 2) create a new statement (one that wraps a ForStmt/WhileStmt/DoStmt)
> that includes the flags
> > Option 1) is simple but I do not think it's very clean or extensible. I
> think 2) is the most flexible because it could be extended to support
> #pragma simd for example.
> > I think this is a common problem for openmp, amp, cilk, etc. and it'd be
> nice to have a solution that can work for anyone.
> > I'm not a clang expert by any means so I'd appreciate any input.
> > thanks,
> > Paul
> > 
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