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f73780ec1a
Summary: Once a gc.statepoint has been rewritten to relocate live references, the SSA values represent physical pointers instead of logical references. Logical dereferencability does not imply physical dereferencability and after RewriteStatepointsForGC has run any attributes that imply dereferencability of the logical references need to be stripped. This current approach is conservative, and can be made more precise later if needed. For starters, we need to strip dereferencable attributes only from pointers that live in the GC address space. Reviewers: reames, pgavlin Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D10105 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238883 91177308-0d34-0410-b5e6-96231b3b80d8 |
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