[PATCH] OpenCL half support

Could someone please commit the attached patches?
/*
Approved by:
- Anton Korobeynikov:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-May/049849.html
- Micah Villmow:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-May/049848.html
- David Neto:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-May/049705.html
*/

Many thanks,
Anton.

half-doc.patch (657 Bytes)

half-llvm.patch (6.33 KB)

Committed in r157393.

Tobias