R600: Add a comment that llvm.AMDGPU.trunc is a legacy intrinsic

llvm-svn: 212218

diff --git a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp
index 60bceaf..c200b58 100644 (file)
--- a/llvm/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -912,7 +912,7 @@ SDValue AMDGPUTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
 
     case AMDGPUIntrinsic::AMDIL_round_nearest: // Legacy name.
       return DAG.getNode(ISD::FRINT, DL, VT, Op.getOperand(1));
-    case AMDGPUIntrinsic::AMDGPU_trunc:
+    case AMDGPUIntrinsic::AMDGPU_trunc: // Legacy name.
       return DAG.getNode(ISD::FTRUNC, DL, VT, Op.getOperand(1));
   }
 }