[PATCH] D123012: [AArch64] Alter mull buildvectors(ext(..)) combine to work on shuffles

[Dave Green via Phabricator via llvm-commits]

dmgreen updated this revision to Diff 420136.
dmgreen added a comment.

Rename function to performBuildShuffleExtendCombine.

I've also limited shuffle's to be safe - just allowing SIGN_EXTEND or ZERO_EXTEND as the input. The input is a vector and calculatePreExtendType may not work as expected in those situations.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123012/new/

https://reviews.llvm.org/D123012

Files:
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/test/CodeGen/AArch64/aarch64-dup-ext.ll

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