Expand i32/i64 CopyToReg f32/f64 to BIT_CONVERT + CopyToReg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32493 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index c6ca13e..c112b87 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -3942,6 +3942,9 @@
else
Op = DAG.getNode(ISD::ANY_EXTEND, DestVT, Op);
return DAG.getCopyToReg(getRoot(), Reg, Op);
+ } else if (SrcVT == MVT::f32 || SrcVT == MVT::f64) {
+ return DAG.getCopyToReg(getRoot(), Reg,
+ DAG.getNode(ISD::BIT_CONVERT, DestVT, Op));
} else {
// The src value is expanded into multiple registers.
SDOperand Lo = DAG.getNode(ISD::EXTRACT_ELEMENT, DestVT,