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[X86] combineX86ShufflesRecursively - split the getTargetShuffleInputs call from...
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 15 Oct 2019 17:59:13 +0000 (17:59 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 15 Oct 2019 17:59:13 +0000 (17:59 +0000)
commit359ee0e0705559430429ab3d3e392a7c332a920d
tree8463c38db2e428f729534f1c0808404547485bb4tree | snapshot
parent005139adc83294dffb6b787c4ff7d1b05b8ce202commit | diff
[X86] combineX86ShufflesRecursively - split the getTargetShuffleInputs call from the resolveTargetShuffleAndZeroables call.

Exposes an issue in getFauxShuffleMask where the OR(SHUFFLE,SHUFFLE) decode should always resolve zero/undef elements.

Part of the fix for PR43024 where ideally we shouldn't call resolveTargetShuffleAndZeroables for Depth == 0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@374928 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
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