[DAG] SelectionDAGLegalize::ExpandLegalINT_TO_FP - use getFPExtendOrRound helper. NFCI.

Handles SrcVT == DstVT as well.

llvm-svn: 343121

1 files changed, 1 insertions, 11 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index aff7fd11d1f..dfa09054af0 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -2350,17 +2350,7 @@ SDValue SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned, SDValue Op0,
     // subtract the bias
     SDValue Sub = DAG.getNode(ISD::FSUB, dl, MVT::f64, Load, Bias);
     // final result
-    SDValue Result;
-    // handle final rounding
-    if (DestVT == MVT::f64) {
-      // do nothing
-      Result = Sub;
-    } else if (DestVT.bitsLT(MVT::f64)) {
-      Result = DAG.getNode(ISD::FP_ROUND, dl, DestVT, Sub,
-                           DAG.getIntPtrConstant(0, dl));
-    } else if (DestVT.bitsGT(MVT::f64)) {
-      Result = DAG.getNode(ISD::FP_EXTEND, dl, DestVT, Sub);
-    }
+    SDValue Result = DAG.getFPExtendOrRound(Sub, dl, DestVT);
     return Result;
   }
   assert(!isSigned && "Legalize cannot Expand SINT_TO_FP for i64 yet");