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

[Luke Lau 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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lukel97 wrote:

This is the status indicator that shows up by the way. As far as I know it never finishes. It looks like other people are running into it as of this week: 
<img width="310" alt="image" src="https://github.com/user-attachments/assets/5e9b9ea0-28b2-4fc0-92d1-02202c1a1aa3" />


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