Add test

Author: oojahooo

mlir/test/Conversion/GPUToSPIRV/lookup-target-env.mlir

@@ -0,0 +1,17 @@
+// RUN: mlir-opt --spirv-attach-target='caps=Shader exts=SPV_KHR_storage_buffer_storage_class' --convert-gpu-to-spirv %s -o - | FileCheck %s
+
+module attributes {gpu.container_module} {
+  // CHECK-LABEL: spirv.module @{{.*}} GLSL450 requires #spirv.vce<v1.0, [Shader], [SPV_KHR_storage_buffer_storage_class]> {
+  gpu.module @kernels {
+    // CHECK: spirv.func @load_kernel
+    // CHECK-SAME: %[[ARG:.*]]: !spirv.ptr<!spirv.struct<(!spirv.array<48 x f32, stride=4> [0])>, StorageBuffer> {spirv.interface_var_abi = #spirv.interface_var_abi<(0, 0)>})
+    gpu.func @load_kernel(%arg0: memref<12x4xf32>) kernel attributes {spirv.entry_point_abi = #spirv.entry_point_abi<workgroup_size = [16, 1, 1]>} {
+      %c0 = arith.constant 0 : index
+      // CHECK:             %[[PTR:.*]] = spirv.AccessChain %[[ARG]]{{\[}}{{%.*}}, {{%.*}}{{\]}}
+      // CHECK-NEXT:        {{%.*}} = spirv.Load "StorageBuffer" %[[PTR]] : f32
+      %0 = memref.load %arg0[%c0, %c0] : memref<12x4xf32>
+      // CHECK:             spirv.Return
+      gpu.return
+    }
+  }
+}