Jay Foad 0819a6416f [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

2020-08-21 10:32:49 +01:00

7.8 KiB

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