Patch and further description forthcoming.
Created attachment 213378 [details]
LLVM trunk patch to support new webkit intrinsics.
Created attachment 213605 [details]
rebased LLVM patch
OK, it looks like we have GetById IC's and OSR exits working with stackmap/patchpoint. So, as far as I can tell, those intrinsics Work As Advertised. So lets get 'em landed in LLVM trunk!
Created attachment 215844 [details]
Created attachment 215845 [details]
Comment on attachment 215845 [details]
Landed in http://trac.webkit.org/changeset/158535