[PATCH] D52548: Stop instcombining propagating wider shufflevector arguments to predecessors.

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


================
Comment at: include/llvm/IR/Instructions.h:2460
   /// elements than its source vectors.
   /// Example: shufflevector <4 x n> A, <4 x n> B, <1,2>
   bool changesLength() const {
----------------
```
  /// Examples: shufflevector <4 x n> A, <4 x n> B, <1,2,3>
  ///           shufflevector <4 x n> A, <4 x n> B, <1,2,3,4,5>
```


Repository:
  rL LLVM

https://reviews.llvm.org/D52548