Commit 159b2d8e authored Oct 15, 2020 by Vinay Madhusudan

[AArch64] Combine UADDVs to generate vector add

ADD(UADDV a, UADDV b) --> UADDV(ADD a, b)

This partially solves the bug: https://bugs.llvm.org/show_bug.cgi?id=46888
Meta ticket: https://bugs.llvm.org/show_bug.cgi?id=46929

Differential Revision: https://reviews.llvm.org/D88731

parent dde4e031

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