[PATCH] D154596: [RISCV] Fix required features checking with empty string

[Jim Lin via Phabricator via cfe-commits]

Jim added a comment.

In D154596#4499647 <https://reviews.llvm.org/D154596#4499647>, @wangpc wrote:

> Can you give an example of intrinsic that doesn't require any extra extension enabled?

Like read/write csr intrinsics that we add for convenient usage doesn't need any extra extension enabled.


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https://reviews.llvm.org/D154596