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ed90d278a6
The unpredictable/hasSideEffects flag is usually inferred by tablegen from whether the instruction has a tablegen pattern (and that pattern only has a single output instruction). Now that the MVE intrinsics are all committed and producing code, the remaining instructions still marked as unpredictable need to be specially handled. This adds the flag directly to instructions that need it, notably the V*MLAL instructions and some of the MOV's. Differential Revision: https://reviews.llvm.org/D76910