[llvm-branch-commits] [llvm] release/19.x: [DAGCombiner] cache negative result from getMergeStoreCandidates() (#106949) (PR #108397)

[Nikita Popov via llvm-branch-commits]

nikic wrote:

This is a fix for a slow compilation issue, and it's not an LLVM 19 regression, so it's fine if this doesn't go into the 19.1.0 release.

https://github.com/llvm/llvm-project/pull/108397