Fail with cannot select in case rsrc is neither v8i32 nor v4i32

Author: sstipano

llvm/lib/Target/AMDGPU/SIISelLowering.cpp

@@ -8209,9 +8209,17 @@ SDValue SITargetLowering::lowerImage(SDValue Op,
     append_range(Ops, VAddrs);
   else
     Ops.push_back(VAddr);
-  Ops.push_back(Op.getOperand(ArgOffset + Intr->RsrcIndex));
-  if (BaseOpcode->Sampler)
-    Ops.push_back(Op.getOperand(ArgOffset + Intr->SampIndex));
+  SDValue Rsrc = Op.getOperand(ArgOffset + Intr->RsrcIndex);
+  EVT RsrcVT = Rsrc.getValueType();
+  if (RsrcVT != MVT::v4i32 && RsrcVT != MVT::v8i32)
+    return Op;
+  Ops.push_back(Rsrc);
+  if (BaseOpcode->Sampler) {
+    SDValue Samp = Op.getOperand(ArgOffset + Intr->SampIndex);
+    if (Samp.getValueType() != MVT::v4i32)
+      return Op;
+    Ops.push_back(Samp);
+  }
   Ops.push_back(DAG.getTargetConstant(DMask, DL, MVT::i32));
   if (IsGFX10Plus)
     Ops.push_back(DAG.getTargetConstant(DimInfo->Encoding, DL, MVT::i32));