[llvm] [ISel/RISCV] Fix fixed-vector [l]lrint lowering (PR #145898)

[Ramkumar Ramachandra via llvm-commits]

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@@ -3202,7 +3203,14 @@ static RISCVFPRndMode::RoundingMode matchRoundingOp(unsigned Opc) {
   case ISD::VP_FROUND:
     return RISCVFPRndMode::RMM;
   case ISD::FRINT:
+  case ISD::LRINT:
+  case ISD::LLRINT:
+  case ISD::STRICT_FRINT:
+  case ISD::STRICT_LRINT:
+  case ISD::STRICT_LLRINT:
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artagnon wrote:

We don't have custom-lowering or tests for strict/vp versions afaik.

https://github.com/llvm/llvm-project/pull/145898