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Author SHA1 Message Date
Anna Welker 0c64233bb7 [ARM][MVE] Teach MVEGatherScatterLowering to merge successive getelementpointers 
A patch following up on the introduction of pointer induction variables, adding
a preprocessing step to the address optimisation in the MVEGatherScatterLowering
pass. If the getelementpointer that is the address is itself using a
getelementpointer as base, they will be merged into one by summing up the
offsets, after checking that this will not cause an overflow (this can be
repeated recursively).

Differential Revision: https://reviews.llvm.org/D84027
 2020-07-28 17:31:20 +01:00
David Green eecba95067 [ARM] Replace arm vendor with none. NFC 2020-04-22 18:19:35 +01:00
Anna Welker 72ca86fd34 [ARM][MVE] Masked gathers from base + vector of offsets 
Enables the masked gather pass to create a masked
gather loading from a base and vector of offsets.
This also enables v8i16 and v16i8 gather loads.

Differential Revision: https://reviews.llvm.org/D72330
 2020-01-14 10:33:52 +00:00