change the logic for when exitops is empty

SusanTan · SusanTan · commit a132a37c02bb · 2025-05-01T08:18:31.000-07:00
diff --git a/mlir/lib/Dialect/OpenACC/Transforms/LegalizeDataValues.cpp b/mlir/lib/Dialect/OpenACC/Transforms/LegalizeDataValues.cpp
@@ -84,8 +84,7 @@ static void replaceAllUsesInUnstructuredComputeRegionWith(
         exitOps.push_back(declareExit);
     }
     if (exitOps.empty())
-      op.emitError(
-          "declare enter token must be used by at least one declare exit op");
+      return;
   }
 
   for (auto p : values) {

Original file line number	Diff line number	Diff line change
`@@ -84,8 +84,7 @@ static void replaceAllUsesInUnstructuredComputeRegionWith(`
`84`	`84`	`exitOps.push_back(declareExit);`
`85`	`85`	`}`
`86`	`86`	`if (exitOps.empty())`
`87`		`- op.emitError(`
`88`		`- "declare enter token must be used by at least one declare exit op");`
	`87`	`+ return;`
`89`	`88`	`}`
`90`	`89`
`91`	`90`	`for (auto p : values) {`