Jay Foad babbeafa00 [TargetLowering] Improve expansion of FSHL/FSHR by non-zero amount ...

Use a simpler code sequence when the shift amount is known not to be
zero modulo the bit width.

Nothing much uses this until D77152 changes the translation of fshl and
fshr intrinsics.

Differential Revision: https://reviews.llvm.org/D82540

2020-07-06 12:07:14 +01:00

307 KiB

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