Add comment explaining the purpose of new test case

oojahooo · oojahooo · commit b1e810b7c564 · 2025-07-31T12:01:27.000+09:00
diff --git a/mlir/test/Conversion/GPUToSPIRV/lookup-target-env.mlir b/mlir/test/Conversion/GPUToSPIRV/lookup-target-env.mlir
@@ -17,7 +17,8 @@ module attributes {gpu.container_module} {
 }
 
 // -----
-
+// Checks that the `-convert-gpu-to-spirv` pass selects the first
+// `spirv.target_env` from the `targets` array attribute attached to `gpu.module`.
 module attributes {gpu.container_module} {
   // CHECK-LABEL: spirv.module @{{.*}} GLSL450
   // CHECK-SAME: #spirv.target_env<#spirv.vce<v1.4, [Shader], [SPV_KHR_storage_buffer_storage_class]>

Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,8 @@ module attributes {gpu.container_module} {`
`17`	`17`	`}`
`18`	`18`
`19`	`19`	`// -----`
`20`		`-`
	`20`	+// Checks that the `-convert-gpu-to-spirv` pass selects the first
	`21`	+// `spirv.target_env` from the `targets` array attribute attached to `gpu.module`.
`21`	`22`	`module attributes {gpu.container_module} {`
`22`	`23`	`// CHECK-LABEL: spirv.module @{{.*}} GLSL450`
`23`	`24`	`// CHECK-SAME: #spirv.target_env<#spirv.vce<v1.4, [Shader], [SPV_KHR_storage_buffer_storage_class]>`