================ @@ -9,6 +9,7 @@ #include "mlir/Dialect/EmitC/IR/EmitC.h" #include "mlir/IR/Builders.h" #include "mlir/IR/DialectImplementation.h" +#include "mlir/IR/Matchers.h" ---------------- simon-camp wrote: This is no longer used I think https://github.com/llvm/llvm-project/pull/68206