[llvm-branch-commits] [llvm] TTI: Check legalization cost of mul overflow ISD nodes (PR #100519)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

### Merge activity

* **Aug 8, 3:40 PM EDT**: @arsenm started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/100519).


https://github.com/llvm/llvm-project/pull/100519