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Commit 7dcd0ea6 authored by Rahul Anand R's avatar Rahul Anand R Committed by David Green
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[AArch64] Generate AND in place of CSEL for predicated CTTZ 

This patch implements a for a target specific optimization that replaces
the cmp and csel from cttz with an and mask.

Differential Revision: https://reviews.llvm.org/D123782
parent fa593b07
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