[llvm] [VP][RISCV] Add a vp.load.ff intrinsic for fault only first load. (PR #128593)

[Luke Lau via llvm-commits]

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@@ -23943,6 +23943,63 @@ Examples:
      %also.r = call <8 x i8> @llvm.masked.load.v8i8.p0(ptr %ptr, i32 2, <8 x i1> %mask, <8 x i8> poison)
 
 
+.. _int_vp_ff_load:
+
+'``llvm.vp.ff.load``' Intrinsic
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lukel97 wrote:

I had asked for the experimental prefix at the time, but there's this RFC that proposes we stop using it https://discourse.llvm.org/t/rfc-dont-use-llvm-experimental-intrinsics/85352

Should we just keep it as `@vp.load.ff`? 

https://github.com/llvm/llvm-project/pull/128593