[llvm] [RISCV] Emit .option arch extensions without the "experimental-" prefix (PR #205471)

[Kito Cheng via llvm-commits]

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@@ -0,0 +1,13 @@
+; RUN: llc -mtriple=riscv64 < %s | FileCheck %s
+; RUN: llc -mtriple=riscv64 < %s \
+; RUN:   | llvm-mc -triple=riscv64 -mattr=+experimental -filetype=obj -o /dev/null
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kito-cheng wrote:

> Can assembler parse experimental extensions without prefix experimental-?

@wangpc-pp Yes, and here is the test for that (llvm-mc part) :)

https://github.com/llvm/llvm-project/pull/205471