[JS IR] Change names of ir-only arguments

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JSCompilerArguments.kt

@@ -28,14 +28,14 @@ class K2JSCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-output", valueDescription = "<filepath>", description = "Destination *.js file for the compilation result")
     var outputFile: String? by NullableStringFreezableVar(null)
 
-    @Argument(value = "-Xir-output-dir", valueDescription = "<directory>", description = "Destination for generated files")
+    @Argument(value = "-ir-output-dir", valueDescription = "<directory>", description = "Destination for generated files")
     var outputDir: String? by NullableStringFreezableVar(null)
 
     @GradleOption(
         value = DefaultValues.StringNullDefault::class,
         gradleInputType = GradleInputTypes.INPUT
     )
-    @Argument(value = "-module-name", description = "Base name of generated files")
+    @Argument(value = "-ir-output-name", description = "Base name of generated files")
     var moduleName: String? by NullableStringFreezableVar(null)
 
     @GradleOption(

compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt

@@ -234,12 +234,12 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
         val outputDirPath = arguments.outputDir
         val outputName = arguments.moduleName
         if (outputDirPath == null) {
-            messageCollector.report(ERROR, "IR: Specify output dir via -Xir-output-dir", null)
+            messageCollector.report(ERROR, "IR: Specify output dir via -ir-output-dir", null)
             return COMPILATION_ERROR
         }
 
         if (outputName == null) {
-            messageCollector.report(ERROR, "IR: Specify output name via -Xir-module-name", null)
+            messageCollector.report(ERROR, "IR: Specify output name via -ir-output-name", null)
             return COMPILATION_ERROR
         }