forked from OSchip/llvm-project
8531d8c491
This patch adds limited support for inserting explicit relocations when there's a vector of pointers live over the statepoint. This doesn't handle the case where the vector contains a mix of base and non-base pointers; that's future work. The current implementation just scalarizes the vector over the gc.statepoint before doing the explicit rewrite. An alternate approach would be to plumb the vector all the way though the backend lowering, but doing that appears challenging. In particular, the size of the indirect spill slot is currently assumed to be sizeof(pointer) throughout the backend. In practice, this is enough to allow running the SLP and Loop vectorizers before RewriteStatepointsForGC. Differential Revision: http://reviews.llvm.org/D8671 llvm-svn: 234647 |
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