[llvm] r372499 - [Hexagon] Don't dereference dyn_cast<ConstantFPSDNode> result. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sun Sep 22 05:38:21 2019
New Revision: 372499

URL: http://llvm.org/viewvc/llvm-project?rev=372499&view=rev
Log:
[Hexagon] Don't dereference dyn_cast<ConstantFPSDNode> result. NFCI.

The static analyzer is warning about potential null dereference, but we should be able to use cast<ConstantFPSDNode> directly and if not assert will fire for us.

Modified:
    llvm/trunk/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp?rev=372499&r1=372498&r2=372499&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp Sun Sep 22 05:38:21 2019
@@ -697,7 +697,7 @@ void HexagonDAGToDAGISel::SelectIntrinsi
 //
 void HexagonDAGToDAGISel::SelectConstantFP(SDNode *N) {
   SDLoc dl(N);
-  ConstantFPSDNode *CN = dyn_cast<ConstantFPSDNode>(N);
+  auto *CN = cast<ConstantFPSDNode>(N);
   APInt A = CN->getValueAPF().bitcastToAPInt();
   if (N->getValueType(0) == MVT::f32) {
     SDValue V = CurDAG->getTargetConstant(A.getZExtValue(), dl, MVT::i32);