[mlir] Fix '-Wunused' warning. NFC

darkbuck · darkbuck · commit 97217d188469 · 2023-10-16T10:47:01.000-04:00
diff --git a/mlir/lib/Target/LLVMIR/ModuleImport.cpp b/mlir/lib/Target/LLVMIR/ModuleImport.cpp
@@ -991,7 +991,7 @@ FailureOr<Value> ModuleImport::convertConstant(llvm::Constant *constant) {
   }
 
   // Convert none token constants.
-  if (auto *noneToken = dyn_cast<llvm::ConstantTokenNone>(constant)) {
+  if (isa<llvm::ConstantTokenNone>(constant)) {
     return builder.create<NoneTokenOp>(loc).getResult();
   }
 

Original file line number	Diff line number	Diff line change
`@@ -991,7 +991,7 @@ FailureOr<Value> ModuleImport::convertConstant(llvm::Constant *constant) {`
`991`	`991`	`}`
`992`	`992`
`993`	`993`	`// Convert none token constants.`
`994`		`- if (auto *noneToken = dyn_cast<llvm::ConstantTokenNone>(constant)) {`
	`994`	`+ if (isa<llvm::ConstantTokenNone>(constant)) {`
`995`	`995`	`return builder.create<NoneTokenOp>(loc).getResult();`
`996`	`996`	`}`
`997`	`997`