[PATCH][Review request] fix bug in TargetLowering::getPICJumpTableRelocBase

This patch is needed to have TargetLowering::getPICJumpTableRelocBase return a GLOBAL_OFFSET_TABLE node when a jump table entry is encoded as a GPRel64BlockAddress.

This should have been included in r149668, but somehow I missed it:
http://article.gmane.org/gmane.comp.compilers.llvm.cvs/107188

picjumptablerelocbase.patch (1.58 KB)

Could someone take a look at this patch I submitted a month ago?

picjumptablerelocbase.patch (1.58 KB)