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Author SHA1 Message Date
Simon Pilgrim d7fa9030d4 [CodeGen][X86] Emit fshl/fshr ir intrinsics for shiftleft128/shiftright128 ms intrinsics 
Now that funnel shift handling is pretty good, we can use the intrinsics directly and avoid a lot of zext/trunc issues.

https://godbolt.org/z/YqhnnM

Differential Revision: https://reviews.llvm.org/D89405
 2020-10-15 10:22:41 +01:00
Simon Pilgrim b967b9a711 [CodeGen] Move x86 specific ms intrinsic tests into x86 target subfolder. NFCI. 2020-10-14 17:37:26 +01:00