Commit 0819a641 authored by Jay Foad's avatar Jay Foad
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[SelectionDAG] Better legalization for FSHL and FSHR 

In SelectionDAGBuilder always translate the fshl and fshr intrinsics to
FSHL and FSHR (or ROTL and ROTR) instead of lowering them to shifts and
ORs. Improve the legalization of FSHL and FSHR to avoid code quality
regressions.

Differential Revision: https://reviews.llvm.org/D77152
parent c6863a4a
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