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Author SHA1 Message Date
David Green 13f2a5883f [ARM] Fixup FP16 bitcasts 
Under fp16 we optimise the bitcast between a VMOVhr and a CopyToReg via
custom lowering. This rewrites that to be a DAG combine instead, which
helps produce better code in the cases where the bitcast is actaully
legal.

Differential Revision: https://reviews.llvm.org/D72753
 2020-02-27 12:19:31 +00:00
David Green f287bb8cf5 [ARM] FP16 bitcast test. NFC 2020-02-24 12:32:53 +00:00