[PATCH] D126461: [RISCV] Extract and store new vl of vleff/vlsegff iff destination isn't null

[Zakk Chen via Phabricator via cfe-commits]

khchen added a comment.

Could you please purpose this implement in rvv-intrinsc-doc first?
I think this feature need to have discussion because store to nullptr is UB but we are making it as defined behavior only for these intrinsics.
Personally I like they have consistent behavior and in document side we just make a note for users that vl should not be a null pointer.


Repository:
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https://reviews.llvm.org/D126461