[mlir] Fix -Wunused-variable in OmpOpGen.cpp (NFC)

DamonFool · DamonFool · commit 0856f12bb0a9 · 2024-09-11T19:59:00.000+08:00
/llvm-project/mlir/tools/mlir-tblgen/OmpOpGen.cpp:239:8:
error: unused variable 'isAttr' [-Werror,-Wunused-variable]
  bool isAttr = superClasses.contains("Attr");
       ^
diff --git a/mlir/tools/mlir-tblgen/OmpOpGen.cpp b/mlir/tools/mlir-tblgen/OmpOpGen.cpp
@@ -236,7 +236,7 @@ static StringRef translateArgumentType(ArrayRef<SMLoc> loc, StringInit *name,
   }
 
   // Handle simple attribute and value types.
-  bool isAttr = superClasses.contains("Attr");
+  [[maybe_unused]] bool isAttr = superClasses.contains("Attr");
   bool isValue = superClasses.contains("TypeConstraint");
   if (superClasses.contains("Variadic"))
     ++nest;

Original file line number	Diff line number	Diff line change
`@@ -236,7 +236,7 @@ static StringRef translateArgumentType(ArrayRef<SMLoc> loc, StringInit *name,`
`236`	`236`	`}`
`237`	`237`
`238`	`238`	`// Handle simple attribute and value types.`
`239`		`- bool isAttr = superClasses.contains("Attr");`
	`239`	`+ [[maybe_unused]] bool isAttr = superClasses.contains("Attr");`
`240`	`240`	`bool isValue = superClasses.contains("TypeConstraint");`
`241`	`241`	`if (superClasses.contains("Variadic"))`
`242`	`242`	`++nest;`