[PATCH] D107254: [VectorUtils] Teach findScalarElement to return splat value.

[Fraser Cormack via Phabricator via llvm-commits]

frasercrmck added inline comments.


================
Comment at: llvm/test/Transforms/InstCombine/vscale_extractelement.ll:253
+entry:
+  %in = insertelement <vscale x 4 x i32*> undef, i32* %v, i32 0
+  %splat = shufflevector <vscale x 4 x i32*> %in, <vscale x 4 x i32*> undef, <vscale x 4 x i32> zeroinitializer
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Are these `undef`s supposed to be `poison` nowadays? I think I've seen both recently so it's as much for my own knowledge :)


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D107254/new/

https://reviews.llvm.org/D107254