[PATCH] D98122: [rs4gc] don't duplicate existing values which are provably base pointers

[Philip Reames via Phabricator via llvm-commits]

reames updated this revision to Diff 329518.
reames added a comment.

rebase over tests to exercise new functionality, and fix a bug found by inspection related to caching.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D98122/new/

https://reviews.llvm.org/D98122

Files:
  llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
  llvm/test/Transforms/RewriteStatepointsForGC/base-inference.ll
  llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-4.ll
  llvm/test/Transforms/RewriteStatepointsForGC/base-pointers.ll
  llvm/test/Transforms/RewriteStatepointsForGC/base-vector-inseltpoison.ll
  llvm/test/Transforms/RewriteStatepointsForGC/base-vector.ll
  llvm/test/Transforms/RewriteStatepointsForGC/live-vector-nosplit-inseltpoison.ll
  llvm/test/Transforms/RewriteStatepointsForGC/live-vector-nosplit.ll
  llvm/test/Transforms/RewriteStatepointsForGC/rematerialize-derived-pointers.ll
  llvm/test/Transforms/RewriteStatepointsForGC/scalar-base-vector.ll

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