add test

Author: CoTinker

mlir/test/mlir-runner/verify-entry-point-result.mlir

@@ -0,0 +1,17 @@
+// RUN: not mlir-runner %s -e entry_point -entry-point-result=void 2>&1 | FileCheck %s --check-prefix=CHECK-ENTRY-POINT
+// RUN: not mlir-runner %s -e entry_inputs -entry-point-result=void 2>&1 | FileCheck %s --check-prefix=CHECK-ENTRY-INPUTS
+// RUN: not mlir-runner %s -e entry_result -entry-point-result=void 2>&1 | FileCheck %s --check-prefix=CHECK-ENTRY-RESULT
+
+// CHECK-ENTRY-POINT: Error: entry point not found
+llvm.func @entry_point() -> ()
+
+// CHECK-ENTRY-INPUTS: Error: function inputs not supported
+llvm.func @entry_inputs(%arg0: i32) {
+  llvm.return
+}
+
+// CHECK-ENTRY-RESULT: Error: expected void function
+llvm.func @entry_result() -> (i32) {
+  %0 = llvm.mlir.constant(0 : index) : i32
+  llvm.return %0 : i32
+}