diff --git a/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp b/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp
--- a/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp
+++ b/mlir/lib/Conversion/TosaToLinalg/TosaToLinalgPass.cpp
@@ -55,6 +55,7 @@
     target.addLegalOp<tosa::IfOp>();
     target.addLegalOp<tosa::ConstOp>();
     target.addLegalOp<tosa::WhileOp>();
+    target.addLegalOp<tosa::ConcatOp>();
     target.addLegalOp<tosa::SliceOp>();
     target.addLegalOp<tosa::ReshapeOp>();
     target.addLegalOp<tosa::PadOp>();
diff --git a/mlir/lib/Conversion/TosaToTensor/TosaToTensorPass.cpp b/mlir/lib/Conversion/TosaToTensor/TosaToTensorPass.cpp
--- a/mlir/lib/Conversion/TosaToTensor/TosaToTensorPass.cpp
+++ b/mlir/lib/Conversion/TosaToTensor/TosaToTensorPass.cpp
@@ -35,6 +35,8 @@
   void runOnOperation() override {
     RewritePatternSet patterns(&getContext());
     ConversionTarget target(getContext());
+    target.addIllegalOp<tosa::ConcatOp>();
+    target.addIllegalOp<tosa::ReshapeOp>();
     target.addIllegalOp<tosa::SliceOp>();
     target.addIllegalOp<tosa::PadOp>();
     target.addLegalDialect<arith::ArithDialect>();