[cfe-dev] is opencl-style select function supported?

Nate Begeman nbegeman at apple.com
Mon Sep 20 10:51:14 PDT 2010


This is a bug in clang missing support for this OpenCL syntax.  

On Sep 20, 2010, at 8:28 AM, Jochen Wilhelmy wrote:

> 
>> Are you referring to the OpenCL "vec.xyzw" syntax? If so, it's implemented in Clang and is represented by ExtVectorElementExpr.
>> 
> 
> no, i mean something like
> float4 a,b,c,d;
> float4 e = select(a, b, c < d);
> 
> clang does not seem to support
> float4 e = c < d ? a : b;
> for vectors, or is there a flag to switch this on?
> 
> -Jochen
> 
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