[llvm] [RISCV] Match widening fp instructions with same fpext used in multiple operands (PR #125803)

[Pengcheng Wang via llvm-commits]

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@@ -554,6 +554,11 @@ def riscv_fpextend_vl_oneuse : PatFrag<(ops node:$A, node:$B, node:$C),
   return N->hasOneUse();
 }]>;
 
+def riscv_fpextend_vl_oneuser : PatFrag<(ops node:$A, node:$B, node:$C),
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wangpc-pp wrote:

`oneuse` and `oneuser` are easily mixed-up (at least at my first galance), what about `same_user`?

https://github.com/llvm/llvm-project/pull/125803