sroa: Fix affinity of inserted undef check #52864
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(N.B.: Base branch is currently #52863 to avoid the merge conflict, so that one should be merged first). |
There is a bit of complexity here making sure that this instruction ends up in the correct basic block because there's a fair number of corner cases (e.g. whether we're deleting the first instruction of a basic block or the last or both). Side-step all that by never doing the delete-then-insert dance and instead doing regular instruction replacement if necessary. Fixes #52857.
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There is a bit of complexity here making sure that this instruction ends up in the correct basic block because there's a fair number of corner cases (e.g. whether we're deleting the first instruction of a basic block or the last or both). Side-step all that by never doing the delete-then-insert dance and instead doing regular instruction replacement if necessary. Fixes #52857.