[PATCH] D137639: [SLP]Fix PR58863: Mask index beyond mask size for non-power-2 insertelement analysis.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:6600
+          }
           Mask[I] = InMask.test(I) ? UndefMaskElem : I;
+        }
----------------
Is this any better?
```
Mask[I] = ((I >= InMask.size()) || InMask.test(I)) ? UndefMaskElem : I;
```


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D137639/new/

https://reviews.llvm.org/D137639