================
@@ -2621,6 +2642,29 @@ SDValue
DAGTypeLegalizer::PromoteFloatRes_FP_ROUND(SDNode *N) {
return DAG.getNode(GetPromotionOpcode(VT, NVT), DL, NVT, Round);
}
+// Explicit operation to reduce precision. Reduce the value to half precision
+// and promote it back to the legal type.
+SDValue DAGTypeLegalizer::PromoteFloatRes_STRICT_FP_ROUND(SDNode *N) {
----------------
phoebewang wrote:
Why we need this given we have a handler here
https://github.com/llvm/llvm-project/blob/main/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp#L2996-L3003
https://github.com/llvm/llvm-project/pull/74332
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