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[X86] combineConcatVectorOps - combine VSHLI/VSRAI/VSRLI ops

Authored by RKSimon on Feb 10 2020, 8:48 AM.

Description

[X86] combineConcatVectorOps - combine VSHLI/VSRAI/VSRLI ops

Non-AVX512BW targets failed to concatenate 256-bit shifts back to 512-bits (split during 512-bit shuffle lowering as they don't have v32i16/v64i8 types).

Details

Committed
RKSimonFeb 10 2020, 8:59 AM
Parents
rG982944525c77: Revert "[InstCombine][DebugInfo] Fold constants wrapped in metadata"
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