[llvm] [RISCV] Enable LoopDataPrefetch pass (PR #66201)

[Wang Pengcheng via llvm-commits]

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@@ -0,0 +1,44 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 3
+; RUN: opt -mtriple=riscv64 -riscv-enable-loop-data-prefetch \
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wangpc-pp wrote:

No need. I will delete it.

https://github.com/llvm/llvm-project/pull/66201