[llvm] [DSE] Optimizing shrinking of memory intrinsic (PR #106425)

[via llvm-commits]

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@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
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goldsteinn wrote:

Does seem to be failing anymore with the change so dropped all changes to `DebugInfo/Generic/assignment-tracking/dse/dse-after-memcpyopt-merge.ll`

https://github.com/llvm/llvm-project/pull/106425