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

[Wang Pengcheng via Phabricator via cfe-commits]

pcwang-thead updated this revision to Diff 432486.
pcwang-thead added a comment.

- Generate IRs to compare destination and null. Only extract and store new vl iff destination is not null.
- Add a test to show optimized code.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126461/new/

https://reviews.llvm.org/D126461

Files:
  clang/include/clang/Basic/riscv_vector.td
  clang/test/CodeGen/RISCV/rvv-intrinsics/vleff-optimized.c
  clang/test/CodeGen/RISCV/rvv-intrinsics/vleff.c

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