[llvm] r287362 - AMDGPU: Fix unused variable warning

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Fri Nov 18 12:33:36 2016
New Revision: 287362

URL: http://llvm.org/viewvc/llvm-project?rev=287362&view=rev
Log:
AMDGPU: Fix unused variable warning

Modified:
    llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp?rev=287362&r1=287361&r2=287362&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/SIISelLowering.cpp Fri Nov 18 12:33:36 2016
@@ -2047,17 +2047,16 @@ SDValue SITargetLowering::lowerConstantF
 }
 
 SDValue SITargetLowering::lowerFP_ROUND(SDValue Op, SelectionDAG &DAG) const {
-  EVT DstVT = Op.getValueType();
-  EVT SrcVT = Op.getOperand(0).getValueType();
-
-  assert(DstVT == MVT::f16 &&
+  assert(Op.getValueType() == MVT::f16 &&
          "Do not know how to custom lower FP_ROUND for non-f16 type");
 
+  SDValue Src = Op.getOperand(0);
+  EVT SrcVT = Src.getValueType();
   if (SrcVT != MVT::f64)
     return Op;
 
   SDLoc DL(Op);
-  SDValue Src = Op.getOperand(0);
+
   SDValue FpToFp16 = DAG.getNode(ISD::FP_TO_FP16, DL, MVT::i32, Src);
   SDValue Trunc = DAG.getNode(ISD::TRUNCATE, DL, MVT::i16, FpToFp16);
   return DAG.getNode(ISD::BITCAST, DL, MVT::f16, Trunc);;