Luke Lau f0d5104c94 [VPlan] Handle some VPInstructions in may{Read,Write}FromMemory (#120058) ...

This just copies the same conservative definition from mayWriteToMemory,
and enables more VPInstructions to be hoisted out in LICM.

I think this should give more accurate costs, and I was able to build
llvm-test-suite without the legacy-vplan cost model assertion going off.

2025-01-08 15:17:26 +08:00

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