diff --git a/mlir/lib/Dialect/Linalg/Transforms/Bufferize.cpp b/mlir/lib/Dialect/Linalg/Transforms/Bufferize.cpp
--- a/mlir/lib/Dialect/Linalg/Transforms/Bufferize.cpp
+++ b/mlir/lib/Dialect/Linalg/Transforms/Bufferize.cpp
@@ -89,24 +89,11 @@
         genericOp.iterator_types(), genericOp.docAttr(),
         genericOp.library_callAttr());
 
-    // Create a new block in the region of the new Generic Op.
-    Block *oldBlock = genericOp.getBody();
-    Region &newRegion = newGenericOp.region();
-    Block *newBlock = rewriter.createBlock(&newRegion, newRegion.begin(),
-                                           oldBlock->getArgumentTypes());
-
-    // Clone the body of the old block to the new block.
-    BlockAndValueMapping mapping;
-    mapping.map(oldBlock->getArguments(), newBlock->getArguments());
-
-    OpBuilder::InsertionGuard guard(rewriter);
-    rewriter.setInsertionPointToEnd(newBlock);
-    for (auto &op : oldBlock->getOperations()) {
-      Operation *clonedOp = rewriter.clone(op, mapping);
-      mapping.map(op.getResults(), clonedOp->getResults());
-    }
+    rewriter.inlineRegionBefore(genericOp.getRegion(), newGenericOp.region(),
+                                newGenericOp.region().begin());
     return newGenericOp;
   }
+  assert(linalgOp->getNumRegions() == 0);
   SmallVector<Value, 8> newOperands = inputs;
   newOperands.append(outputs.begin(), outputs.end());
   return linalgOp.clone(rewriter, linalgOp.getLoc(),
@@ -344,9 +331,8 @@
     BufferizeTypeConverter typeConverter;
 
     // Mark all Standard operations legal.
-    target.addLegalDialect<AffineDialect, math::MathDialect,
-                           memref::MemRefDialect, StandardOpsDialect,
-                           tensor::TensorDialect>();
+    target.addLegalDialect<AffineDialect, memref::MemRefDialect,
+                           StandardOpsDialect, tensor::TensorDialect>();
     target.addIllegalOp<InitTensorOp, tensor::ExtractSliceOp,
                         tensor::InsertSliceOp, PadTensorOp>();