[llvm] [AMDGPU][NFC] Simplify assertions (PR #203472)

[Jay Foad via llvm-commits]

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@@ -7485,13 +7485,7 @@ SDValue SITargetLowering::splitBinaryVectorOp(SDValue Op,
                                               SelectionDAG &DAG) const {
   unsigned Opc = Op.getOpcode();
   EVT VT = Op.getValueType();
-  assert(VT == MVT::v4i16 || VT == MVT::v4f16 || VT == MVT::v4bf16 ||
-         VT == MVT::v4f32 || VT == MVT::v8i16 || VT == MVT::v8f16 ||
-         VT == MVT::v8bf16 || VT == MVT::v16i16 || VT == MVT::v16f16 ||
-         VT == MVT::v16bf16 || VT == MVT::v8f32 || VT == MVT::v16f32 ||
-         VT == MVT::v32f32 || VT == MVT::v32i16 || VT == MVT::v32f16 ||
-         VT == MVT::v32bf16 || VT == MVT::v4f64 || VT == MVT::v8f64 ||
-         VT == MVT::v16f64 || VT == MVT::v32f64);
+  assert(VT.isVector() && VT.getVectorElementCount().isKnownEven());
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jayfoad wrote:

Was it important to check that the count is not just even, but even and >= 4?

https://github.com/llvm/llvm-project/pull/203472