Philip Reames 7bea98826a [RewriteStatepointsForGC] Avoid inserting empty holder
We use dummy calls to adjust the liveness of values over statepoints in the midst of the insertion.  If there are no values which need held live, there's no point in actually inserting the holder.  



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234779 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-13 19:07:47 +00:00
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2015-04-12 18:18:51 +00:00