[llvm] [X86][AVX10.2] Map vector saturated converts to public intrinsics (PR #121483)

[Phoebe Wang via llvm-commits]

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@@ -33665,6 +33676,27 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N,
     }
     return;
   }
+  case ISD::FP_TO_SINT_SAT:
+  case ISD::FP_TO_UINT_SAT: {
+    if (!Subtarget.hasAVX10_2())
+      return;
+
+    bool IsSigned = Opc == ISD::FP_TO_SINT_SAT;
+    EVT VT = N->getValueType(0);
+    SDValue Op = N->getOperand(0);
+    EVT OpVT = Op.getValueType();
+    SDValue Res;
+
+    if (VT == MVT::v2i32 && OpVT == MVT::v2f64) {
+      if (IsSigned)
+        Res = DAG.getNode(X86ISD::FP_TO_SINT_SAT, dl, MVT::v4i32, Op);
+      else
+        Res = DAG.getNode(X86ISD::FP_TO_UINT_SAT, dl, MVT::v4i32, Op);
+      Results.push_back(Res);
+      return;
+    }
+    break;
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phoebewang wrote:

return

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