[PATCH] D132634: [AArch64] Add index check before lowerInterleavedStore() uses ShuffleVectorInst's mask

[Florian Hahn via Phabricator via llvm-commits]

fhahn added inline comments.


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Comment at: llvm/test/CodeGen/AArch64/aarch64-shuffle-undef.ll:24
+  %B = urem <32 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
+  %S = shufflevector <32 x i16> %B, <32 x i16> %B, <32 x i32> undef
+  store <32 x i16> %S, <32 x i16>* %A2, align 64
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can the vectors be shortened here? Does it also crash with a `poison` mask?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D132634/new/

https://reviews.llvm.org/D132634