1 files changed, 1 insertions, 0 deletions
diff --git a/mlir/tools/mlir-tblgen/RewriterGen.cpp b/mlir/tools/mlir-tblgen/RewriterGen.cpp
index d954db86178..0315bf03d83 100644
--- a/mlir/tools/mlir-tblgen/RewriterGen.cpp
+++ b/mlir/tools/mlir-tblgen/RewriterGen.cpp
@@ -204,6 +204,7 @@ void PatternEmitter::emitMatchMethod(DagNode tree) {
   PatternMatchResult match(OperationInst *op0) const override {
     // TODO: This just handle 1 result
     if (op0->getNumResults() != 1) return matchFailure();
+    auto ctx = op0->getContext(); (void)ctx;
     auto state = std::make_unique<MatchedState>();)"
      << "\n";
   emitOpMatch(tree, 0);