message: [XLA:CPU] Turn off MLIR matmul codegen while we investigate an upstream regression
diff: @@ -1028,7 +1028,7 @@ DotImplementationStrategy GetDotImplementationStrategy(
  if (IsAlignedGemm(dot_info, target_machine_features)) {
  if (CanEmitTiledLlvmIrGemm(config, dot_info, target_machine_features)) {
  - return DotImplementationStrategy::kLinalgMatmul;
  + return DotImplementationStrategy::kTiledLlvmIrGemm;
  }
  return DotImplementationStrategy::kEigen;
  }
  