[llvm] [Passes] Always run LowerMatrixIntrinsics, request EarlyCSE on demand. (PR #118507)

[Chris B via llvm-commits]

================
@@ -0,0 +1,56 @@
+//===- ExtraPassManager.h - Loop pass management -----------------*- C++
+//-*-===//
----------------
llvm-beanz wrote:

```suggestion
//===- ExtraPassManager.h - Extra pass management ----------------*- C++-*-===//
```

https://github.com/llvm/llvm-project/pull/118507