[llvm] Map vector saturated converts to public intrinsics (PR #121483)

[Simon Pilgrim via llvm-commits]

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@@ -5456,6 +5456,39 @@ void X86DAGToDAGISel::Select(SDNode *Node) {
     break;
   }
 
+  case X86ISD::FP_TO_SINT_SAT_CUSTOM:
+  case X86ISD::FP_TO_UINT_SAT_CUSTOM:
+    if (Subtarget->hasAVX10_2()) {
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RKSimon wrote:

should this be `assert(Subtarget->hasAVX10_2() & "Unsupported node")`?

https://github.com/llvm/llvm-project/pull/121483