XCore target : implement isZExtFree()

[Robert Lytton]

Hi,

Please review patch for implementing isZExtFree() on the XCore target.

Robert
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20130918/e978b978/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Patch_ZEXTFree
Type: application/octet-stream
Size: 1867 bytes
Desc: Patch_ZEXTFree
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20130918/e978b978/attachment.obj>