[sdag] Add the helper I most want to the DAG -- building a bitcast

around a value using its existing SDLoc.

Start using this in just one function to save omg lines of code.

llvm-svn: 238638

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index efd4bd9a4d8..b9eb8f0d0ff 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -1810,6 +1810,13 @@ SDValue SelectionDAG::getMDNode(const MDNode *MD) {
   return SDValue(N, 0);
 }
 
+SDValue SelectionDAG::getBitcast(EVT VT, SDValue V) {
+  if (VT == V.getValueType())
+    return V;
+
+  return getNode(ISD::BITCAST, SDLoc(V), VT, V);
+}
+
 /// getAddrSpaceCast - Return an AddrSpaceCastSDNode.
 SDValue SelectionDAG::getAddrSpaceCast(SDLoc dl, EVT VT, SDValue Ptr,
                                        unsigned SrcAS, unsigned DestAS) {